Lead DevOps Engineer

7 days ago

Tallinn, Harjumaa, Estonia Onoff Full time €90,000 - €120,000 per year

Lead DevOps Engineer: Scale Infrastructure Across All Onoff Products

Onoff is on a strong growth path, and we're seeking a bold, hands-on
Lead DevOps Engineer
to shape and scale the infrastructure powering all our products. In this leadership role, you'll combine individual contribution (around 60%) with guiding a skilled DevOps team,cale ensuring our systems remain reliable, secure, and ready for global expansion.

Why This Role Matters

Our products are thriving and expanding worldwide. The backbone of that growth is a scalable, cost-efficient infrastructure. As Lead DevOps Engineer, you'll design and maintain systems that handle high loads, keep costs under control, and deliver the performance our customers rely on. You won't just keep the lights on — you'll build the foundation for Onoff's next chapter.

What You'll Do

  • Lead & mentor a 3-person DevOps team while contributing directly.
  • Design, deploy & manage scalable AWS and Kubernetes environments.
  • Implement Infrastructure as Code (IaC) and automate workflows.
  • Oversee monitoring, metrics, and incident management with Prometheus, Grafana, etc.
  • Optimise infrastructure costs and ensure business continuity through backups & disaster recovery.
  • Collaborate with developers to improve CI/CD, scalability, and system performance.

What You Bring

  • Proven DevOps leadership in SaaS, telecom, or large-scale environments.
  • Deep expertise in
    AWS, Kubernetes, MySQL
    .
  • Knowledge of
    networking (TCP/IP, VPN)
    and scripting (Bash, Python).
  • Proficiency with
    GitHub & GitHub Actions
    , plus modern monitoring systems.
  • A strategic mindset, strong problem-solving skills, and passion for mentoring.

Why You'll Love Working With Us

Impact & Growth: Build infrastructure that powers products worldwide.

Flexibility: Work in the way that fits your life.

Travel budget: Explore and grow.

Health benefits & extra time off: Balance and well-being first.

All the fundamentals: Competitive salary, team events, and career opportunities.

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