Senior DevOps Engineer (Test Infrastructure)

Take ownership of complex infrastructure & DevEx challenges at scale.

We are monday.com, a global software company transforming how businesses run. Our product suite can adapt to the needs of diverse industries and use cases within one powerful platform, empowering ~245,000 customers worldwide to reimagine how work gets done, drive greater efficiency, and scale like never before.

With over 3,000 employees across the globe, we grow by prioritizing transparency and knowledge sharing. We care about the impact you make, not the hours you clock, so we encourage initiative, ownership, and fresh thinking. We back our people with flexible work, wellness and mental health support, and a work environment built on collaboration.

We fully embrace the AI revolution and we equip you with AI-powered IDEs, customizable agent rules, prompt engineering tools to streamline your workflow and AI-infused CI/CD pipelines designed to boost speed and reliability. You'll also tap into AI-driven insights, helping you make smarter decisions, faster.

We’re looking for a Senior DevOps Engineer to take on infrastructure, CI/CD, and developer experience challenges. In this role, you’ll lead mission-critical projects, drive infrastructure innovation, and collaborate across teams to improve scalability, reliability, and development workflows. You’ll shape the backbone of our platform while mentoring others and ensuring operational excellence.

The role is based in our Warsaw office - established in 2022, it is a growing hub for engineers who love solving impactful problems. Teams here work on a broad range of challenges that push the boundaries of our products and infrastructure. Dive into these blog posts to discover the kind of work that could be waiting for you:

• TestKit Mastery
• Detecting traffic anomalies at scale
• Managing Trace Volume at monday.com
• How we mastered Content Security Policy
• Guarding the herd – managing database servers at scale

• Proven experience as a DevOps or Site Reliability Engineer in high-scale production environments.
• Strong understanding of cloud-native infrastructure, CI/CD pipelines, and DevEx principles.
• Experience building and maintaining robust, scalable test infrastructure: embracing a shift-left mindset to integrate testing early, automate quality checks, and leverage AI-powered tools to boost reliability and developer velocity.
• Deep experience with cloud platforms (preferably AWS) and container orchestration (Kubernetes).
• Skilled in infrastructure-as-code tools (e.g., Terraform, CloudFormation) and CI/CD systems (e.g., GitHub Actions, Jenkins).
• Experience improving developer workflows and tooling, including build/test/deploy pipelines and local dev environments.
• Familiar with monitoring, alerting, and logging stacks (e.g., Prometheus, Grafana, ELK).
• Excellent communication skills, a team-first mindset, and a passion for developer empowerment.
• Nice to have: Experience with performance testing at scale, Playwright (and MCP), contract-based testing using Pact.io, testcontainers, mutation testing - a plus that helps push our quality culture even further.
• Extra points if you’ve played with AI-assisted development tools - like the OpenAI Agents SDK or LangGraph - and enjoy experimenting with ways to bring intelligence into our testing and DevEx ecosystem.