#vacancy #Linux #Senior #RemoteRF
Role: Linux Specialist
Grade: Senior
Company: IT PeopleGroup**
Rate: We will consider your offer
Location: RF remote
Citizenship: RF
Work Format: remote, according to the Labor Code of the Russian Federation
Engagement Period: 7 months with possible extension
‼️Vacancy is active until 04.06
✔️Responsibilities:
- Support and develop corporate communication infrastructure (VKS/messengers) based on Linux.
- Configure and debug the real-time stack (SIP, WebRTC, RTP, ICE/TURN), ensuring media traffic stability.
- Work with Docker infrastructure and docker-compose, participate in the transition to Kubernetes.
- Conduct detailed network analysis (tcpdump/Wireshark) to resolve connection and service quality issues.
- Administer reverse proxy, DNS, configure firewalls and load balancing.
- Maintain monitoring, analyze logs (journald/syslog) and promptly resolve incidents.
**
✔️Requirements:**
- Experience in supporting corporate communication systems/VKS/messengers for 2-3 years.
- Understanding of real-time technologies and media traffic principles.
- Experience with Linux systems (Debian/Ubuntu/CentOS).
- Experience with Docker/container-based infrastructure.
- Understanding of client-server architecture of distributed systems.
- Network interaction analysis and troubleshooting skills.
✔️Mandatory Technical Knowledge:
Real-time/UC/VoIP – important skills:
- Knowledge of SIP/SDP, RTP/SRTP protocols;
- Understanding of WebRTC principles;
- Experience with ICE/STUN/TURN (NAT traversal);
- Knowledge of TLS/HTTPS/WebSocket;
- Understanding of QoS principles for audio and video traffic.
Network Technologies – important skills:
- Proficient knowledge of TCP/UDP;
- Understanding of routing and load balancing principles;
- Experience with DNS, reverse proxy, firewall/ACL;
- Skills in network traffic analysis and problem diagnostics using tcpdump/Wireshark.
Infrastructure (Linux) – will be an advantage:
- Practical experience with systemd, journald/syslog;
- Experience in configuring and supporting nginx/reverse proxy;
- Basic understanding of Kubernetes;
- Experience in service monitoring and log analysis.
For applications 👉@HR_JuliaG
