Jobs Sysadmin

Title: Senior Systems Administrator (Internal Support)
Reports to: Internal Support Manager
Location/Type: UA Remote

Atlas Technica's mission is to shoulder IT management, user support, and cybersecurity for our clients who are hedge funds and other investment firms. Founded in 2016, we have grown 100% year over year since inception through our uncompromising focus on service.

We value collaboration, culture, client satisfaction, efficiency, accountability, and a growth mindset. We are looking for people who can thrive in and contribute to Atlas’ culture while putting the customer first.

We are seeking a Senior Systems Administrator to join our rapidly growing organization. This is a highly technical role providing excellent career development opportunities.

You will be working with the Atlas internal infrastructure team to support internal systems, including Azure AVD, Endpoint infrastructure, Entra ID, Intune, MS Defender, and Atlas’ VOIP system.

Responsibilities:

• Minimum 10 years of IT experience/administration
• Strong verbal and written communication skills
• Advanced PowerShell skills including scripting
• End User Support / Desktop Support: Windows 10/11, Microsoft Office, desktop, and mobile device troubleshooting
• Support of primarily Microsoft 365 stack (Exchange Online, SharePoint Online, Intune, Entra ID)
• Systems Administration: knowledge of Windows Server 2019/2022 including Active Directory, Group Policy, and Domain Controllers
• Support/use of ConnectWise Manage and ScreenConnect
• Experience in data and platform migrations; e.g., Email security migration, VOIP migration, on-prem/hybrid to cloud migrations

• Experience taking projects/deployments from proof-of-concept to production

   

Desirable Qualities:

• Experience working in an MSP environment
• Administration and use of RMM agents/tools
• Exposure to/ability to support workloads in Azure or AWS
• Experience with vendors such as Monday.com, Atlassian, AFI, Mimecast, and 1Password
• Experience with Azure Virtual Desktop

• Experience with cybersecurity solutions such as Cavelo, ThreatLocker, and MS Defender

   

Atlas Technica is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender, sexual orientation, gender identity, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications and regulatory technologies.

We are looking for a SysOps Engineer to join our teams!

Requirements:
— 4+ years of experience as a Linux System Administrator/SysOps/DevOps Engineer
— Strong knowledge of Linux architecture and systems implementation
— Strong knowledge of IaC approach(Ansible, Terraform)
— Strong knowledge of maintaining and operating private clouds
— Strong knowledge of CI/CD approach and experience working with(GitLab CI, GitHub Actions)
— Automation skills using Bash/Python etc
— Good understanding of networking concepts and protocols
— Good understanding of observability stack(grafana, otel)
— Knowledge of virtualization solutions (libvirt, KVM, quemu)
— Knowledge of Kubernetes management
 

Will be plus:
— Common Linux certification like RHCSA or LPIC-1,2
— Networks operations

Soft Skills:
— Team player
— Critical Thinking
— Good communicator
— Open to challenges and new opportunities
— Thirst for knowledge
— Time Management
 

Responsibilities:
— Automation and IaC: author, review and maintain infrastructure as code (Ansible, Terraform), CI/CD pipelines, and automation scripts to reduce toil.
— Automation and improvement of current processes related to the administration and support of VM.
— Maintenance of standardized OS/software configurations (lifecycle management, creation of golden images).
— Optimizing resources and work on resource tagging to share the cost and plan for budgeting and reporting
— Troubleshooting and resolving incidents related to the holding's infrastructure.
— Maintaining and managing software upgrading, patching the kernel and errata patching.
— Backup and data protection: implement backup strategies, test restores, manage snapshot lifecycle and cross-region replication.
— Maintenance and improvement of current monitoring systems based on a proactive approach.
— Supporting the holding's infrastructure in accordance with IT security policies.
— Collaboration and documentation: produce runbooks, runbooks for playbooks, architecture diagrams, operational runbooks, and coordinate with other infrastructure teams.
— Maintain knowledge of industry trends and emerging cloud technologies to recommend best practices.
— Provide expert advice on cloud technologies, tools, and methodologies to enhance client operations and drive innovation.
 

Technical Stack:
— GitLab, GitLab-Ci
— Terraform, Ansible
— Grafana (Mimir, Loki, Tempo), Zabbix, Sentry, OpenTelemetry Collector
— Bash, Python

Our benefits to you:

☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

🗣Free internal English courses

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location

We are looking for an experienced IT Specialist to join our production site in Norway and support day-to-day IT operations in a fast-paced manufacturing environment. This role is ideal for someone who enjoys hands-on technical work, independently managing on-site IT processes, and supporting both production and office teams.

Responsibilities

• Configure, prepare, and maintain IT equipment including laptops, phones, printers, monitors, and peripherals
• Handle receiving, issuing, tracking, and inventory management of IT assets
• Support employees with hardware, software, connectivity, and access-related issues
• Work closely with the production team and support MES (Manufacturing Execution Systems)
• Maintain accurate inventory and reporting records in Excel or asset management systems
• Manage user accounts, permissions, and access rights in Active Directory and Microsoft 365
• Troubleshoot Windows environments, networking issues, VPN connections, and production-line IT incidents
• Coordinate with IT, engineering, procurement, and operations teams
• Support printer setup and maintenance, including label printers (nice to have)
• Work independently on-site without constant remote team supervision

Requirements

• 3+ years of experience in IT Support, IT Operations, or IT Asset Management
• Experience with configuring and supporting:
  • Laptops and desktops
  • Mobile devices
  • Printers and peripherals
• Hands-on experience with:
  • Windows 10/11
  • Basic Windows Server administration
  • Active Directory (users, groups, permissions)
  • Microsoft 365 / Office 365 (Outlook, Teams, OneDrive, SharePoint)
• Understanding of:
  • DNS, DHCP, TCP/IP
  • VPN connections
  • Basic cybersecurity principles
• Experience with:
  • Remote support tools (RDP, AnyDesk, TeamViewer)
  • Jira Service Management or similar Service Desk tools
  • Knowledge base systems such as Confluence
• Experience in a manufacturing or production environment is a strong advantage
• Familiarity with MES systems is highly desirable
• Strong organizational skills and attention to detail
• Good communication skills and ability to work with cross-functional teams
• English — Intermediate+ level or higher

Nice to Have

• Experience supporting production-line IT infrastructure
• Experience working with label printers
• Experience in independent on-site IT operations

What We Offer

• Opportunity to work in an international production environment in Norway
• Stable full-time cooperation
• Hands-on and impactful role with ownership over local IT operations
• Fast hiring process and quick start opportunity

We invite you, a highly motivated and results-oriented Windows Site Reliability Engineer, to join our team full-time and ensure the reliability and stability of the company's infrastructure.

Our team has unique expertise in research, analysis, and product development. By relying on technical insights and a data-driven approach, we create disruptive future-defining innovations of the fin-tech industry that remain our basis for success 
 

Responsibilities

• 8-hour shifts
• Monitoring the infrastructure with several monitoring tools
• Ability to communicate clearly and escalate problems
• Performing preliminary investigation of alerts
• Conducting basic triage of requests/problems
• Interacting with DevOps and Engineering teams

Requirements

• Hands-on experience in working with system monitoring tools (Grafana, Prometheus, Graylog, Opsgenie)
• 1+ years of relevant System/IT Administration experience
• Good understanding of Windows Server 2022, 2019 administration principles
• Experience and knowledge of networks
• Troubleshooting skills
• English Pre-Intermediate

Will be a plus

• Basic knowledge of PowerShell, Ansible
• Experience with MetaTrader
• Experience in the trading domain

We offer

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Medical insurance
• Opportunity to work remotely
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

We invite you, a highly motivated and results-oriented Windows Site Reliability Engineer, to join our team full-time and ensure the reliability and stability of the company's infrastructure.
 

Our team has unique expertise in research, analysis, and product development. By relying on technical insights and a data-driven approach, we create disruptive future-defining innovations of the fin-tech industry that remain our basis for success 
 

Responsibilities

• 8-hour shifts
• Monitoring the infrastructure with several monitoring tools
• Ability to communicate clearly and escalate problems
• Performing preliminary investigation of alerts
• Conducting basic triage of requests/problems
• Interacting with DevOps and Engineering teams
   

Requirements

• Hands-on experience in working with system monitoring tools (Grafana, Prometheus, Graylog, Opsgenie)
• 1+ years of relevant System/IT Administration experience
• Good understanding of Windows Server 2022, 2019 administration principles
• Experience and knowledge of networks
• Troubleshooting skills
• English Pre-Intermediate
   

Will be a plus

• Basic knowledge of PowerShell, Ansible
• Experience with MetaTrader
• Experience in the trading domain
   

We offer

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Medical insurance
• Opportunity to work remotely
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

We are looking for a motivated Junior SRE (NOC / Monitoring) to join our team and help ensure the stability and reliability of our infrastructure.

This position is ideal for someone who enjoys working with monitoring tools, investigating incidents, and developing their skills in infrastructure and system administration within a professional engineering environment.

Responsibilities:

• Work in 8-hour shifts
• Monitor infrastructure using multiple monitoring tools
• Communicate clearly and escalate issues when needed
• Perform initial investigation of alerts
• Conduct basic triage of incidents and requests
• Collaborate with DevOps and Engineering teams

Requirements:

• 1+ year of experience in System/IT Administration roles
• Hands-on experience with monitoring tools (Grafana, Prometheus, Graylog, Opsgenie)
• Good understanding of Windows Server 2022/2019 administration principles
• Experience and knowledge of networks Troubleshooting skills
• English: Intermediate or higher

Will be a plus:

• Basic knowledge of PowerShell or Ansible
• Experience with MetaTrader
• Experience in the trading domain

What we offer:

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays as per the company’s approved Public holiday list
• Medical insurance
• Opportunity to work remotely
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

We are looking for a proactive and reliable System Administrator who will help maintain and improve our internal infrastructure, support employees across the company, and ensure smooth day-to-day IT operations. You will play a key role in managing access, devices, internal systems, and supporting operational security processes while working closely with the SysAdmin team.

🧭 What Makes You a Great MatchMust-have

• 4+ years of experience in System Administration or IT Operations;
• Strong hands-on experience with macOS administration;
• Proven experience managing Apple device fleets;
• Solid understanding of Linux administration basics;
• Experience administering Google Workspace environments;
• Good understanding of networking fundamentals (DNS, VPN, TCP/IP);
• Experience with Identity & Access Management processes;
• Familiarity with internal support and ticketing systems;
• Strong documentation and process discipline;
• English level: Upper-Intermediate or higher.

Nice-to-have

• Experience with proxy or networking tools;
• Experience working with infrastructure providers such as Hetzner or DigitalOcean;
• Basic scripting or automation skills.

📋 Your Daily AdventuresIT Operations

• Support daily administration of internal IT infrastructure and corporate tools;
• Manage user access provisioning and deprovisioning processes;
• Coordinate employee onboarding and offboarding;
• Assist internal users with infrastructure, access, and device-related issues.

SysAdmin Team Coordination

• Coordinate daily workload across SysAdmin support levels (L1 & L2);
• Monitor support queues and ensure effective ticket distribution;
• Maintain SLA compliance across support operations;
• Act as an escalation point for complex technical issues.

Infrastructure Support

• Administer and support Google Workspace services;
• Manage VPN and network access configurations;
• Support endpoint and device administration processes;
• Maintain and troubleshoot internal systems and tooling.

Security & Access Control

• Enforce access policies and permission management standards;
• Support 2FA enforcement and security-related controls;
• Review audit logs and monitor access-related changes when required.

Documentation & Asset Management

• Maintain hardware and software asset inventory;
• Keep infrastructure documentation and operational procedures up to date;
• Ensure all operational knowledge is properly documented and maintained.

Benefits

💸 Flexible payment options: choose the method that works best for you;
🎁 Financial perks: Bonuses for holidays, B-day, work milestones and more - just to show we care;
📈 Learn & grow: We cover courses and certifications — and offer real opportunities to grow your career with us;
🥐 Benefit Сafeteria: Choose what suits you — sports, language courses, therapy sessions, and more;
🎉 Stay connected: From team-building events to industry conferences — we bring people together online, offline, and on stage;
💻 Modern Equipment: We provide new laptops along with essential peripherals like monitors and headphones for a comfortable workflow;
🕘 Your schedule, your rules: Start your day at 9, 10, or even 11 — we care about results, not clock-ins.

If this role sounds like a good fit for you, we’d love to hear from you — apply and tell us a bit about yourself.

We are looking for a technical Head of Corporate IT who is ready to take full ownership of the corporate infrastructure strategy, budget management, and the transformation of access and security processes. In this role, you will lead a team of 35 engineers, build highly effective processes for the internal Help Desk team, improve the existing office infrastructure and service integrations, and own the global IT Procurement function, ensuring smooth operations and scalable growth across the business. Your ideas will have the potential to transform processes across the entire global company, helping the business achieve its strategic goals.

Responsibilities:

1. Identity & Access Management (IAM)

• Develop and maintain a secure and scalable identity and access management strategy across the organization in close collaboration with Security team
• Configure and manage authentication and access control mechanisms, including SSO, MFA, VPN access policies, and privileged access management
• Drive implementation and improvement of Zero Trust and security-first infrastructure approaches

2. IT Service Management (ITSM) & Operational Processes

• Build and improve transparent ITSM processes
• Develop and maintain a strong service-oriented IT culture focused on operational excellence and user experience
• Define and monitor SLA/KPI metrics, analyze team performance, and drive continuous improvements based on operational data
• Automate routine IT operations 

3. Infrastructure Management & Operations

• Ensure stable, secure, and scalable operation of the company’s IT infrastructure
• Manage hybrid infrastructure environments, including MacOS and Windows endpoints; Linux/Unix systems
• Oversee enterprise networking infrastructure (LAN, VLAN, VPN, Wi-Fi, firewall)
• Ensure high availability, business continuity, backup, monitoring, and disaster recovery practices

4. Leadership & Team Management

• Build a high-performance engineering culture with strong ownership and accountability
• Manage hiring, onboarding, mentoring, performance reviews, and professional development of technical leaders and engineers
• Coordinate cross-functional collaboration with Security, Engineering, Infrastructure, and Business teams
• Manage relationships with vendors, hardware providers, and external service partners
• Plan infrastructure roadmap and ensure alignment between IT infrastructure and business goals

Requirements:

• 5+ years of experience in IT Infrastructure, System Administration, or IT Help Desk
• At least 2 years of experience in managing infrastructure and support engineering teams of 20+ employees
• Experience working in high-availability, high-security international environments
• Strong experience with vendor management, budgeting, procurement, and operational planning
• Strong hands-on expertise in Linux/Unix Administration, macOS endpoint management, Windows infrastructure
• Experience implementing and improving SLA-driven support processes
• Strategic mindset with the ability to scale infrastructure together with business growth
• Strong ownership mentality and high standards for operational excellence
• Ability to structure ambiguous environments and drive operational improvements
• Leadership approach based on collaboration, mentoring, and accountability

Nice to Have

• Experience in FinTech, Trading, or high-load environments
• Experience with Zero Trust architecture and modern IAM approaches
• Scripting/programming experience (Python/Bash)

We offer

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays as per the company’s approved Public holiday list
• Medical insurance
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

Summary

• IT Infrastructure Engineer/Systems Administrator with experience in Azure VM lift-and-shift migrations from Rackspace.
• Skilled in provisioning Azure VMs (Web and DB), Windows Server 2012 R2, IIS, Classic ASP, and SQL Server 2014 migrations with full data integrity.
• Strong knowledge of Azure VNet, NSG, and secure VM networking.
• Experienced in VM-based backup strategies (IaaS only), post-migration validation, and Classic ASP session testing.
• Able to deliver fast, stable migrations, documentation, and support within strict timelines (2-3 weeks).
• Focused strictly on infrastructure, not development or PaaS.

Job DescriptionRole Overview

The position is for an IT Infrastructure Engineer / Systems Administrator specializing in Azure Virtual Machine migration. The primary responsibility is to execute a direct lift-and-shift migration of a legacy B2B software platform from Rackspace virtual machines to Azure Virtual Machines. This role focuses on infrastructure, systems administration, and hardware migration rather than software development or cloud-native architecture.

Key Responsibilities

• Provision and configure two Azure Virtual Machines within a Virtual Network (VNet), specifically one Web Server VM and one Database Server VM
• Migrate the web server environment running Windows Server 2012 R2 and a Classic ASP application, including all dependencies and custom software
• Migrate SQL Server 2014 databases, comprising multiple client-specific databases, ensuring full data integrity throughout the process
• Design and implement a data backup and redundancy strategy tailored to Azure VMs, explicitly excluding PaaS or SQL-as-a-Service solutions
• Set up networking components such as VNet, Network Security Groups (NSG), and connectivity between the two Azure VMs
• Validate the full functionality of the application post-migration, with particular attention to session handling due to Classic ASP session variable dependencies
• Document the entire environment and migration process comprehensively and provide a detailed handover to the internal client team
• Provide ongoing periodic maintenance and support following the migration completion

Additional Role Requirements

• Immediate availability to start, with a strict timeline of 2 to 3 weeks to complete the migration.
• Strong communication skills in English (minimum 7/10 proficiency) to interact effectively with non-technical stakeholders.
• Global candidate search with no physical location restrictions.
• Ability to overlap with North American Central Standard Time (CST) business hours for meetings and urgent migration support.

Role Clarifications

• This role is strictly focused on IT infrastructure and systems administration, not software development or cloud-native application engineering.
• No involvement with containerization, Kubernetes, Azure PaaS services, or application code migration/refactoring.
• The migration is a direct lift-and-shift with no re-architecture or service changes.

Technologies and Tools Used: Azure Virtual Machines, Azure Virtual Network (VNet), Network Security Groups (NSG), Windows Server 2012 R2, IIS configuration, Classic ASP environment, SQL Server 2014, Rackspace virtual machines, data backup and redundancy solutions for Azure VMs.

Role Purpose

Responsible for hands-on management, support, and development of Azure and Microsoft 365 cloud environments. This includes infrastructure design, networking, security, automation, incident resolution, and continuous improvement of cloud solutions. On-call and out-of-hours support is required.

Key Responsibilities

• Manage and support Azure and Microsoft 365 environments through the ticketing system, handling complex incidents and service requests.
• Perform diagnostics, root cause analysis, and resolution of incidents and problems.
• Escalate unresolved issues to external vendors according to established procedures.
• Contribute to the design, configuration, automation, and maintenance of cloud infrastructure, networking, and security components.
• Develop and maintain technical documentation, knowledge base articles and operational standards.
• Monitor system availability, capacity and performance; carry out planned maintenance and improvement tasks.
• Provide onsite and remote technical support as required.
• Comply with all internal processes, security, and EH&S policies.

Required Experience

• Minimum 3 years of hands-on experience managing and supporting Azure and Microsoft 365 cloud environments.
• Strong practical experience with the following:
  • Azure core services (VM, Storage, VNet, Backup, Site Recovery, High Availability)
  • Microsoft 365/Entra ID (Exchange, Teams, SharePoint, licensing, hybrid environments)
  • Azure networking and security (NSG, Azure Firewall, ExpressRoute, VPN, best practices)
  • Microsoft Intune (policies, Autopilot, device management)
  • Azure Sentinel and Microsoft Defender for Cloud/Endpoint
  • PowerShell scripting and Azure Automation
  • Azure Virtual Desktop
  • Windows Server 2016–2022 and Linux administration

Required Qualifications

• University degree in IT or related field
• ITIL Foundation certification
• Active Microsoft/Azure certifications (AZ-104, AZ-500, MS-500 or equivalent)
• Office 365 and security certifications are a plus

Responsibilities

• Support users (L1-L3)
• Configure internal systems
• Diagnose and troubleshoot technical issues
• Maintain, troubleshoot & upgrade the network infrastructure
• Install and maintain servers, devices and firewall
• Monitor infrastructure
• Ensure the smooth deployment of new SaaS applications
• Configure & troubleshoot IDP, RBAC, Jira, GCP, AD (DC, NPS), Radius
• Update technical documentation

Requirements

Experience and ownership:

• 3+ years iт SysAdmin role with strong onsite presence
• Ability to be the primary IT owner for the Kyiv office day to day (walk-ups, incidents, projects), with structured escalation to the global Corp IT team
• Strong hands-on troubleshooting across endpoints, identity, network, and AV

Endpoints and device lifecycle (macOS and Windows)

• Strong macOS and Windows support skills, including diagnostics, OS upgrades, drivers, and common corporate apps
• Experience managing macOS with Jamf (Jamf Pro preferred): enrollment, profiles, policies, patching, software deployment, FileVault
• Experience managing Windows with Intune: enrollment, configuration profiles, compliance policies, app deployment, patching baselines
• Full equipment lifecycle ownership: provisioning, enrollment, inventory, repairs/RMA, loaners, secure wipe, and disposal

Identity, access, and productivity tooling

• Working knowledge of Okta: user lifecycle, group-based access, MFA troubleshooting, app assignments, and SSO troubleshooting
• Google Workspace administration basics: user/group management and practical troubleshooting (login, email, permissions)
• Atlassian tooling basics: Jira and Confluence user management, groups/permissions, and common access issues
• Understanding of least-privilege access and clean access request handling

Office networking and infrastructure

• Strong office network troubleshooting: LAN/WiFi issues, switch port basics, AP troubleshooting, DHCP/DNS symptoms, VPN client issues
• Familiarity with firewalls (FortiGate preferred): user VPN troubleshooting, basic policy understanding, and collaboration with network owners
• Understanding of VPN concepts

Security and IT hygiene

• Good security instincts: phishing awareness, safe handling of credentials, device security baselines, patching urgency, and incident discipline

Communication and collaboration

• Good English for documentation and coordination with the global team
• Service-oriented mindset, clear updates, and ability to handle interruptions while keeping control of priorities

Nice-to-have

• Familiarity with certificate-based access concepts and auth integrations such as SCEP, AD, LDAP, RADIUS
• Basic scripting/automation (Bash, PowerShell, Python) to reduce manual setup and speed up repetitive tasks
• Familiarity with public cloud concepts used in corporate tooling (GCP preferred; AWS/Azure acceptable), especially IAM and networking basics
• Experience supporting printers, access control vendors, and office buildouts/refreshes

What we offer:

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social and welfare packages;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place.

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.About the Job

Our company is actively expanding its IT infrastructure team, and the IT Support Specialist/ System Administrator (Middle) position is a key role in ensuring the stability and security of our network environment. We are looking for an experienced professional who is passionate about building and maintaining robust IT systems and eager to contribute to the development of advanced technologies.

What is your Day-to-Day Mission

• Build and maintain wired and wireless networks, configure routing and ensure network security;
• Configure network IP services (DNS, DHCP, SMTP, SSH, FTP, etc.);
• Set up and manage protocols and technologies: TCP/IP, VPN (IPsec, SSL), BGP, OSPF, EIGRP, NAT, Port-security, QoS, VLAN, STP;
• Configure and support network equipment (MikroTik, Ubiquiti, Cisco, FortiNet);
• Configure and maintain video surveillance systems (Hanwha, Dahua, Hikvision);
• Manage firewalls and IDS/IPS systems;
• Provide user support via RDP/TeamViewer/Anydesk;
• Monitor and analyze network traffic using specialized tools.

What You Bring to the Team

• 3+ years of experience as a network engineer or system administrator;
• Strong knowledge of wired and wireless network design, routing technologies, and network security;
• Proficiency in IP services (DNS, DHCP, SMTP, SSH, FTP, iSCSI, RoCE);
• Experience with protocols: TCP/IP, VPN (IPsec, SSL), BGP, OSPF, EIGRP, NAT, QoS, VLAN, STP;
• Hands-on experience with MikroTik, Ubiquiti, Cisco, FortiNet equipment;
• Familiarity with video surveillance systems (Hanwha, Dahua, Hikvision);
• Experience with EDR/EPP endpoint protection systems;
• Ability to manage firewalls, IDS/IPS systems, and cloud network resources (AWS, Azure, GCP);
• Knowledge of Linux and Windows OS;
• Practical experience with Active Directory (AD/AAD), Office 365, Intune, GPO, NPS, CA;
• Experience with monitoring tools (Dude, Zabbix, Grafana);
• English language level B1 or higher.

Why Quantum Systems

• We stand with Ukraine!
• Work in an international team of professionals.
• Official employee reservation status.
• Opportunities for professional growth and training.
• Modern technologies and exciting projects.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications and regulatory technologies.

We are looking for a VoIP Engineer to join our teams!

Requirements:
— 2–4 years of hands-on experience with VoIP systems
— Strong knowledge of PJSIP, RTP, SDP, WS/WSS
— Solid hands-on experience with Asterisk: Dialplan logic, PJSIP, WebRTC signaling, ARI applications, and AMI integrations
— Understanding of NAT, firewalls, UDP/TCP, QoS
— Experience with Linux (Debian/CentOS/RHEL)
— Ability to read and analyze Asterisk logs and SIP traces
— Basic scripting skills (Bash; Python is a plus)
— English at the technical communication level
— Knowledge of Databases (MySQL/PostgreSQL) for CDR analysis

Will be plus:
— Experience with cloud platforms (AWS, GCP, Azure)
— Experience with monitoring systems (Grafana, Prometheus, Homer)
— Experience with Kamailio

Responsibilities:
— Configure, maintain, and troubleshoot Asterisk systems
— Support SIP trunks, endpoints, and call routing logic
— Analyze call issues: one-way audio, no audio, call drops, registration problems
— Work with SIP/RTP, codecs, NAT, ICE, STUN/TURN
— Monitor system health and call quality (ASR, ACD, PDD, MOS)
— Analyze CDR / CEL / SIP logs / RTP streams
— Support and expand integration between Asterisk and CRM systems
— Collaborate with telecom providers and vendors
— Participate in incident response and root-cause analysis
— Write and maintain technical documentation
— Integration of new services and technologies with Asterisk

Our benefits to you:

☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

🗣Free internal English courses

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location

Role Overview:

We are looking for a Middle to Senior AI Developer with experience in voice systems and telephony technologies. The ideal candidate will be responsible for developing, integrating, and maintaining AI-driven voice solutions, including call automation, voice assistants, and communication platforms.

Key Responsibilities:

• Develop and maintain AI-powered voice systems and call automation solutions
• Integrate AI models (LLMs, speech-to-text, text-to-speech) into telephony platforms
• Work with VoIP infrastructure to build scalable communication systems
• Design and implement APIs and integrations with third-party services
• Collaborate with cross-functional teams (Support, Product, and Engineering)
• Troubleshoot and optimize system performance and call quality

• Ensure reliability, scalability, and security of voice-based systems

   

Experience and Skills Needed:

• 3+ years (Middle) / 5+ years (Senior) of relevant experience
• Hands-on experience with VoIP technologies and protocols
• Strong experience with:
  • Asterisk
  • FreePBX
  • Kamailio
  • Twilio
• Experience integrating AI solutions (LLMs, speech recognition, voice synthesis)
• Experience working with APIs and real-time systems
• Good understanding of system architecture and backend development

• Strong problem-solving and debugging skills

   

Additional Qualifications:

• Experience with mobile platforms (Android, iOS)
• Experience developing or supporting voice bots and AI-driven assistants
• Familiarity with AI workflows, prompt design, and automation processes

• Exposure to cloud-based infrastructure and scalable system design

   

Soft Skills:

• Strong communication skills
• Ability to work independently and collaboratively
• Proactive, solution-oriented mindset

• English proficiency: Upper-Intermediate( B2) or higher

   

Equipment requirements: high-speed Internet (50 Mbps upload and download speeds), noise-cancelling headset (headphones, a microphone), high quality video conferencing camera to participate with clients and company management.

Academic requirements: Bachelor's Degree from a recognized University. Preferences will be granted to candidates with Higher Masters accreditation or Certification in Engineering.

Please ensure your CV or supporting documentation and copy of your diploma and grade transcripts aligns the requirements for this posting.

Higher consideration would be granted to individuals that have completed AI certification, particularly those with experience in Claude Code (Claude 4.7) and its related tools and ecosystem!

Candidates must have worked with clear understanding utilizing the Anthropic Claude Co-working workspace and tools.

If you are interested in this opportunity, we encourage you to apply now.

MyWorkDrive empowers enterprises with secure remote file sharing, enabling access to on-premises and cloud storage file servers via mapped drives, web browsers, or mobile clients - without the need for a VPN.

Position Overview

We are expanding our Support and QA teams and seeking a seasoned, remote IT professional/Systems Administrator to serve as a Level 3 Senior Support Engineer for enterprise customers. In this role, you will handle the most complex escalations, support hybrid identity and storage deployments, and ensure seamless integration between on-premises Windows/AD environments and Microsoft cloud services. 

You will combine mastery of Windows identity and Microsoft cloud (Entra ID, Azure Files/Blob, SharePoint, Graph, Intune, SAML) with a strong customer-first mindset—treating every customer issue as our problem to solve.  

Schedule

• Full-time, Monday to Friday 9 AM - 6 PM Pacific time, with flexibility for occasional off-hours support for critical incidents or maintenance windows.

Key Responsibilities

Customer Support & Troubleshooting

• Act as the senior escalation point for complex issues related to Active Directory, Entra ID (Azure AD), ADFS, SMB, Kerberos, NTLM, and Windows identity. 
• Assist IT Administrator customers with installation, configuration, and advanced troubleshooting of MyWorkDrive products in diverse Windows Server, Active Directory, and Azure environments. 
• Diagnose and resolve authentication and authorization issues involving Azure Files, Azure Blob, SharePoint, Enterprise Apps, SAML SSO, and Graph API permissions.  
• Understand unique client use cases and challenges to design solutions that ensure compatibility, performance, and security across hybrid environments. 
• Maintain detailed documentation of customer environments, troubleshooting steps, and resolutions in helpdesk and knowledge base systems.

Quality Assurance & Testing

• Build and manage test environments using Hyper-V, Azure, and representative customer configurations, including complex AD and Entra ID topologies. 
• Reproduce and isolate defects, perform rigorous QA testing, and file clear bug reports for development, including identity, SSO, and file access scenarios. 
• Validate fixes and new features related to Windows authentication (Kerberos/Interactive Logon), SAML, and Microsoft 365 integrations before general release.

Cross-Functional Collaboration

• Engage with a global customer base via email, helpdesk, and web meetings (Teams, Zoom) to resolve escalated issues and guide best practices. 
• Collaborate closely with engineering, product, and sales teams to manage critical support cases, drive continuous product improvements, and assist with pre-sales technical consultations as needed.

Customer Service Mindset

• Model a customer-first culture: your problem is our problem—no disdain, blame, or defensiveness toward customers.  
• Stay calm, empathetic, and solutions-focused in high-pressure situations, including outages and executive-level escalations. 
• Proactively set expectations, communicate clearly, and follow through on all commitments until resolution is fully confirmed by the customer.
• Consistently meets and strives to exceed defined SLAs for response and resolution times, ensuring customers feel prioritized and informed throughout the lifecycle of their requests.

Required Skills and Experience

Support and Communication

• Exceptional customer service skills, with a calm, empathetic, and solution-focused approach to every interaction. 
• Comfortable working with both highly technical administrators and non-native English speakers, adapting communication style accordingly (English proficiency: Upper-Intermediate or higher)
• Highly responsive, able to triage and prioritize critical issues such as service outages or security-impacting incidents. 
• Excellent written and verbal communication skills, including clear incident summaries, root cause explanations, and step-by-step remediation guidance.

Mindset

• Demonstrated ability to quickly learn and apply complex technical and theoretical information across identity, networking, and storage. 
• Strong sense of ownership: you drive issues to closure, collaborate proactively, and do not “throw problems over the wall.” 
• Entrepreneurial, self-directed, and comfortable working in a fast-moving, distributed team environment.

Extensive IT Background

• 10+ years of experience deploying and managing software in Windows Server/Active Directory and Azure environments. 
• 10+ years of hands-on experience in computer networking (TCP/IP, DNS, routing, firewalls, VPNs, load balancers, proxies).

Technical Mastery – Identity & Cloud

• Deep knowledge of Windows client and server OS, Active Directory, Group Policy, ADFS, and Windows authentication Kerberos, Delegation, Interactive Logo. 
• Mastery of Microsoft Entra ID (Azure AD) including Conditional Access, Enterprise App integrations, SAML/OIDC SSO, and application proxy scenarios.  
• Strong experience with Azure Files, Azure Blob Storage, SharePoint Online, and NTFS/SMB permissions in hybrid file-access architectures. 
• Hands-on experience configuring and troubleshooting SAML/SSO, including certificate management, claims rules, and federation with third-party IdPs. 
• Practical experience with Microsoft Graph API permissions, app registrations, and consent (delegated and application permissions) for enterprise apps. 
• Familiarity with Intune device management, compliance policies, and their interaction with Entra ID and Conditional Access.

Broader Technical Proficiency

• Experience with firewalls, security, switching, proxy/load balancing, Microsoft SQL, IIS, Office 365, and related enterprise tooling. 
• Familiarity with Android/iOS mobile devices, Azure File Storage, Active Directory Trusts, NTFS file sharing, Hyper-V, and SAML/SSO.

Education & Certification

• Bachelor’s degree in Computer Science, Information Systems, or related field (preferred).
• CompTIA, MCSE or related Microsoft certification (e.g., modern Microsoft 365/Azure certifications) preferred.

What We Offer

• Long-term collaboration with a globally trusted enterprise software company.
• Competitive compensation through a contractual cooperation model.
• Fully remote work arrangements.
• Opportunity to work with an experienced, international development team on a mature, enterprise-scale product.