System Administrator (offline)

We welcome a System Administrator to join our IT Service Center department. We have a great professional team, and we are pleased to invite a specialist with solid experience and friendly personality.

Responsibilities:
Installing software to servers
Configuring operating systems and services on servers
Server software support
Responding to user queries related to network or software operation
Monitoring of network and hardware resources usage
Organizing access to local and global networks and telephony
Ensuring timely backup and archiving of data
Participation in system recovery after crashes and malfunction of hardware
Identifying user errors and network software malfunction and system recovery
Network monitoring, development of network infrastructure development proposals
Participation in development of proposals regarding modernization and purchase of hardware
Monitoring hardware installation by third-party experts

Requirements:
What we expect from you:
At least 4−5 years' experience in a similar position
Networking:
OSI knowledge
Routing (static/dynamic)
Network services — DHCP, FTP, DNS, SMTP, VPN, IPSEC, NTP, SSH, WWW
Firewalls (FreeBSD, Linux, Microsoft, Cisco, Juniper)
Routers (Cisco, Juniper)
Switches (Cisco, Juniper)
Wi-Fi (Cisco AP, Cisco WLC)

Operating systems:
Windows Server, FreeBSD, Linux, Mac OS X, Junos, IOS

Active Directory services:
AD
PKI
DFS
AD FS
Policy

Collaboration services:
MS Exchange server
Skype for Business
Monitoring:
Zabbix
Nagios
MS System Center

IP-telephony:
Asterisk
Yate
At least Pre-Intermediate level of English

Personal profile:
Analytic mindset
Risk management skills
Team player

You are welcome to join our team!

About Sigma Software

Sigma Software is a place where Nordic Traditions meet Ukrainian Spirit to create Superior Software. We combine the best practices and approaches from Swedish and Ukrainian cultures. Taking high demand for quality, minimal hierarchy, freedom of decision-making, and attention to every opinion from Swedes, as a Ukrainian company we demonstrate flexibility and dedication to every project and every customer.

We are IT consulting and software product company with development offices in Ukraine, Sweden, the USA, Canada, Poland, and Australia. We deliver smartest solutions to our customers in the areas of government, telecommunications, advertising, automotive, gaming, and others. Being a part of Sigma Group, one of the largest Nordic IT corporations, we are a global player with more than 5000 employees in 12 countries and over 1500 in Ukraine.

We work with startups, software houses, and enterprises providing the products and services that suit our clients the most. Company`s R&D centers are mastering the trending technologies and directions: Infotainment, AR/VR, Blockchain, Machine Learning, Data Science, Artificial Intelligence, and others.

Company website:
https://career.sigma.software/

DOU company page:
https://jobs.dou.ua/companies/sigma-software/