Senior DevOps Engineer

• CI/CD automation: Design, build, and maintain robust CI/CD pipelines to automate testing, code quality checks, and deployments across multiple environments
• Cloud infrastructure: Manage and scale cloud infrastructure (we use OVH) to ensure reliability, security, and performance
• Infrastructure as Code (IaC): Use tools like Terraform or similar to provision and manage infrastructure in a structured, version-controlled way
• Monitoring and alerting: Set up and maintain monitoring, logging, tracing, and alerting systems (Zabbix, Prometheus, Loki) to ensure visibility and proactive issue detection
• System security: Implement infrastructure-level security practices and participate in protecting services from DDoS and malicious traffic using tools like Cloudflare and fail2ban
• Collaboration with development: Work closely with engineering teams to investigate production issues, improve service uptime, and support the full development lifecycle (local, staging, production)
• Tooling and automation: Develop internal tools and scripts to automate routine tasks and improve developer efficiency
• Database operations: Manage and optimize production-grade databases (PostgreSQL, MongoDB) for availability, scalability, and low latency
• Environment management: Maintain and support multiple environments, ensuring consistency and reliability across dev, staging, and production setups Expected qualifications
• Strong Linux system administration experience for web applications
• Hands-on experience with Kubernetes and a clear understanding of when and why to use it
• Solid understanding of virtualization vs. containerization
• Good knowledge of networking (L2, L4, L7) and tools like tcpdump, ngrep, and iproute2
• Experience supporting full application lifecycle (prod/dev/staging/local environments)
• Familiarity with version control (Git, Gitlab) and issue-tracking tools (Jira)
• Experience installing and managing email servers
• Experience with config management tools (Ansible, Puppet, Chef, or Salt)
• Fluent in Russian

Nice to have

• Background in telecom systems or messaging services (e.g. SMPP, Asterisk, Kamailio)
• Experience with PostgreSQL clustering
• Programming or scripting skills in Bash, Go
• Experience with Kubernetes in production at scale
• Familiarity with mitigating malicious traffic and managing DDoS protection
• Understanding of backend and frontend technologies such as PHP, Node.js, or Webpack