Senior Linux Administrator

Responsibilities

• Manage Linux infrastructure, including servers, services, access, updates, and diagnostics
• Drive the large-scale migration from SaltStack to Ansible, co-designing a modern IaC platform
• Maintain a large fleet of build/test nodes (Windows, Linux, macOS) via reproducible IaC provisioning
• Administer physical infrastructure, including bare-metal servers, RAID, IPMI, and shared storage
• Manage storage systems using iSCSI, LVM, and multipath, ensuring data integrity and performance
• Support virtualization environments (Proxmox) and CI/CD infrastructure (Jenkins/Gerrit)
• Improve internal tooling and automation using Python, Shell, and AI-assisted engineering workflows
• Propose architectural improvements to increase infrastructure observability and simplicity

Requirements

• 5+ years of Linux system administration experience
• Deep knowledge of Linux internals (systemd, storage, networking stack, permissions)
• Hands-on experience with Infrastructure as Code (SaltStack, Ansible, or Puppet)
• Experience with bare-metal hardware, RAID, and IPMI/iDRAC/iLO
• Strong understanding of storage (iSCSI, LVM, block devices) and networking (TCP/IP, VLAN, VPN, DNS)
• Practical experience with Docker and container runtimes
• Proficiency in Python or Shell scripting
• Experience with Git and professional code review workflows
• Fluent Russian and technical English proficiency

Preferred Qualifications

• Experience designing Ansible infrastructure (collections, secrets management, CI validation)
• Experience with Proxmox, oVirt, or VMware
• Knowledge of networking hardware (Juniper/Dell)
• Experience managing large-scale CI agent clusters or Jenkins/Gerrit integrations
• Experience with AWS (EC2, VPC, IAM)
• Familiarity with monitoring and backup tools like Icinga, Grafana, or Bacula

Benefits

• Scale: Work with high-end hardware including AMD Threadripper and NVIDIA RTX GPU nodes
• Modern Culture: Operate in a live IaC environment with code reviews and CI/CD
• Innovation: Active encouragement of AI tools to optimize engineering processes
• Autonomy: Freedom to influence technical decisions and improve processes without unnecessary bureaucracy
• Work Format: Fully remote position

About the Company

Gaijin develops AAA-grade online games for PC, consoles, and mobile platforms, including popular titles like "War Thunder" and "Enlisted."