Senior Site Reliability Engineer

The Container-Platform team designs, builds and operates the current and next gen platforms to run both internal and product services on our world-wide Criteo infrastructure.

The team provides platform as-a-service for all stateless and stateful applications in Criteo (think webservers, databases, distributed file systems). We use Kubernetes to achieve that vision and provide highly efficient, low latency and resilient platforms to our users. The platforms represents roughly 11k servers across 30 clusters WW.

We spend time to understand our client needs and help them launch thousands of instances of their apps across the world, isolated using containers and connected through our internal internet and discovery service based on Consul.

• improve isolation between containers to allow colocation of intensive tasks on the same servers (solving "the noisy neighbor problem")

• fight against toil and time-consuming tasks to automate ourselves out of the job

• interview our users to understand what they really need and how we can help them focus on their own mission

• support our clients in they daily activities with the platform

• design the automation of server maintenance with minimal disruption on user services

• build a platform that abstracts the infrastructure for our users.

You will be part of a strategic team within the R&D organization and advise our 600 internal clients and be at the core of the migration of critical applications from Mesos to Kubernetes.

Well, first of all, we know that the "perfect candidate" doesn't exist. But if you think you match a fair few of the points listed below then let's talk and see if we're a fit

• Proficient in English communication. 

• Team-oriented, with a passion for collaborating closely with others. 

• You're experienced with large-scale infrastructure management & designs

• Expertise with Kubernetes

• You are curious about Linux ecosystem, network, and container orchestration solutions

• You are a seasoned developer, and you're not afraid to write code in Go, Python - even if it's your first time working with those stacks.

We acknowledge that many candidates may not meet every single role requirement listed above. If your experience looks a little different from our requirements but you believe that you can still bring value to the role, we'd love to see your application​

Criteo is a leader in commerce media, helping brands, agencies, and publishers create meaningful consumer connections through AI-powered advertising solutions. We're shaping a more open and sustainable digital future for advertising.  

At Criteo, our culture is as unique as it is diverse. From our offices across the globe or from the comfort of home, our 3,600 Criteos collaborate together to build an open, impactful, and forward-thinking environment.  

We foster a workplace where everyone is valued, and employment decisions are based solely on skills, qualifications, and business needs—never on non-job-related factors or legally protected characteristics.  

Ways of working – Our hybrid model blends home with in-office experiences, making space for both.  
Grow with us – Learning, mentorship & career development programs.  
Your wellbeing matters – Health benefits, wellness perks & mental health support.  
A team that cares – Diverse, inclusive, and globally connected.  
Fair pay & perks – Attractive salary, with performance-based rewards and family-friendly policies, plus the potential for equity depending on role and level.  

Additional benefits may vary depending on the country where you work and the nature of your employment with Criteo.