System Administrator (SysAdmin / Infrastructure Ops)
Job Description: System Administrator (SysAdmin / Infrastructure Ops)
Salary: $*โ** (depending on skill)
Model: Full-time, remote
Domains: Arbitrage, Fintech, Multi-Office Infrastructure
Languages: Russian mandatory, English basic+
About the Role
You are responsible for keeping the entire technical backbone of the office running: devices, farms, networks, VoIP, subscriptions, security, and internal tools.
This is not a corporate sysadmin โ this is a fast-execution environment where you solve problems quickly, automate repetitive work, and maintain operational stability for 3โ5 teams simultaneously.
Your job: make sure nothing breaks โ and if it does, fix it instantly.
Key Responsibilities
1. Office Setup & Maintenance
- Set up new office locations from zero (network, routers, switches, Wi-Fi, access points).
- Deploy workstations, laptops, mobile devices, emulator PCs, and testing setups.
- Maintain hardware inventory (CRM, trackers, SIMs, PCs, phones).
- Handle physical infrastructure upgrades: UPS, server racks, wiring, CCTV (basic), access control.
2. Device Management
- Prepare, configure, and maintain:
- laptops/desktops
- Android devices
- iPhones
- tablets
- emulator farms (LDPlayer, BlueStacks, MEmu)
- Ensure secure backups, cloning, and fast deployment for new team members.
- Maintain OS hygiene: updates, antivirus, storage, role-based access.
3. WhatsApp / Telegram Farm Management
- Deploy, run, and maintain multi-account farms:
- WhatsApp SIM rotation
- Telegram mass-account infrastructure
- Proxy rotation / anti-detect setup
- Device/VM fingerprint management
- Monitor bans, replace devices, automate recovery flows.
- Work with proxy providers, number providers, anti-detect browsers.
4. VoIP & Communications Infrastructure
- Manage VoIP systems (Asterisk / 3CX / Zadarma / Twilio / local providers).
- Connect new numbers, configure SIP, call routing, IVR, forwarding.
- Monitor call center quality: latency, packet loss, jitter.
- Maintain recordings, storage, call logs.
5. Subscriptions & Tools Management
- Manage all company subscriptions:
- trackers (Keitaro / Binom)
- CRM systems (Kommo / Zoho / HubSpot)
- cloud services (Google Workspace, Firebase, AWS, GCP)
- proxy providers
- number providers
- VPN/VPS servers
- Pay, renew, monitor usage, control access.
6. Network & Security
- Maintain secure networks across multiple offices.
- Configure VPN tunnels, remote access, IP whitelisting.
- Detect and prevent network bottlenecks.
- Basic firewall management.
- Identity/access control for users: passwords, roles, devices.
7. Rapid Problem Solving
- Solve urgent issues fast:
- broken devices
- SIM not registering
- WhatsApp banned
- VoIP lag
- CRM not syncing
- internet overloaded
- Test multiple solutions quickly, propose better tools, automate manual flows.
8. Documentation & SOPs
- Maintain internal documentation:
- device issuance
- access rights
- office setup checklist
- farm setup checklist
- VoIP config
- Write simple SOPs for non-technical teams.
Required Skills & Experience
- 2โ5+ years sysadmin or IT operations experience.
- Strong experience with Windows + macOS + Android.
- Knowledge of routers, access points, VPNs, and network topology.
- Experience with VoIP systems and SIP.
- Experience with farms (WhatsApp, Telegram) is a big advantage.
- Good troubleshooting skills โ ability to improvise and find solutions.
- Discipline and documentation mindset.
Soft Skills
- Fast execution.
- Reliability โ always reachable for critical issues.
- Ability to work independently.
- Calm under pressure.
- Ownership mindset.
Performance KPIs
- 99% uptime of office infrastructure.
- WhatsApp/Telegram bans minimized.
- VoIP uptime > 98%.
- Provisioning new devices in < 24h.
- Subscriptions always renewed on time.
- Zero lost devices/data.
Required languages
| English | B2 - Upper Intermediate |
| Russian | C2 - Proficient |