DevOps Lead

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.

• 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

• 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 

• 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