DevOps Lead Engineer

Summary

Join our team as a DevOps Lead and take ownership of infrastructure operations for our global SaaS messaging platform. You will lead and mentor a team of DevOps engineers while staying hands-on with critical infrastructure decisions. Your primary focus will be ensuring high availability, performance, security, and scalability of our production systems, as well as improving our CI/CD workflows and platform observability. This leadership role directly impacts platform reliability and product delivery.

Requirements

• Proven experience in a senior DevOps or DevOps lead role within a SaaS environment
• 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)
• CI/CD experience: building systems and designing workflows
• Strong experience with databases, including PostgreSQL, MongoDB
• Infrastructure as Code (IaC) experience and understanding of best practices
• Experience installing and managing email servers
• Knowledge of monitoring (Zabbix, Prometheus) and log processing systems (Loki)
• Experience with config management tools (Ansible, Puppet, Chef, or Salt)
• Fluent in both English and Russian

Responsibilities

• Guide, support, and mentor a team of DevOps engineers, set priorities, and align efforts with product and engineering goals
• Define and evolve the architecture of our cloud infrastructure (OVH, OpenStack, bare-metal), ensuring it scales with product growth
• Oversee the design and maintenance of CI/CD systems (GitLab CI, Bitbucket Pipelines), ensuring fast and stable deployment cycles
• Lead adoption and maintenance of IaC tools (Terraform, Ansible) for consistent infrastructure provisioning
• Improve system observability using monitoring and logging tools (Zabbix, Prometheus, Loki) and lead incident response practices
• Ensure infrastructure security and compliance with best practices, including DDoS mitigation and access control
• Work closely with engineering leadership, developers, and QA to align infrastructure efforts with roadmap goals
• Drive automation initiatives to reduce manual work and improve system reliability
• Oversee high-performance, low-latency database operations (PostgreSQL, MongoDB) and support data growth planning
• Maintain and support multiple environments, ensuring consistency and reliability across dev, staging, and production setups

Preferred Qualifications

• 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