Job description
Description
Role overview
We’re looking for a DevOps Lead to take technical and strategic ownership of infrastructure operations for our global SaaS messaging platform. You will lead and mentor a small team of DevOps engineers while staying hands-on with critical infrastructure decisions. Your main 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 is a leadership role with direct impact on platform reliability and product delivery.
Key responsibilities
Team leadership: Guide, support, and mentor a team of DevOps engineers, set priorities, and align efforts with product and engineering goals
Infrastructure strategy: Define and evolve the architecture of our cloud infrastructure (OVH, OpenStack, bare-metal), ensuring it scales with product growth
CI/CD ownership: Oversee the design and maintenance of CI/CD systems (GitLab CI, Bitbucket Pipelines), ensuring fast and stable deployment cycles
Infrastructure as code: Lead adoption and maintenance of IaC tools (Terraform, Ansible) for consistent infrastructure provisioning
System monitoring and reliability: Improve system observability using monitoring and logging tools (Zabbix, Prometheus, Loki) and lead incident response practices
Security and compliance: Ensure infrastructure security and compliance with best practices, including DDoS mitigation and access control
Collaboration and planning: Work closely with engineering leadership, developers, and QA to align infrastructure efforts with roadmap goals
Automation: Drive automation initiatives to reduce manual work and improve system reliability
Database operations: Oversee high-performance, low-latency database operations (PostgreSQL, MongoDB) and support data growth planning
Environment management: Maintain and support multiple environments, ensuring consistency and reliability across dev, staging, and production setups
Requirements
Expected qualifications
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
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
