Senior Site Reliability Engineer
Criteo
What You'll Do:
As an SRE engineer in the u-Verse team, you will build a multi-tenant Kubernetes-based platform to power high-performance Ad Server projects. These projects handle real-time bidding (RTB) traffic and are a crucial part of the Custom Solutions business unit at Criteo.
Our team is on a mission to modernize our infrastructure, transitioning from a legacy cloud VM-based environment managed with Puppet to a scalable Kubernetes ecosystem. If you thrive on solving complex infrastructure challenges, love automation, and want to be at the heart of a large-scale platform migration, this role is for you.
How You'll Make an Impact
Lead the migration of live traffic processing and related services to the new platform, ensuring minimal disruption.
Design and implement new features based on migration needs and external team requests.
Improve observability and optimize resource monitoring to enhance reliability, performance, and cost efficiency.
Own incident response by investigating issues, leading blameless postmortems, and driving improvements to prevent future incidents.
Facilitate technical discussions, enhance documentation, and participate in code reviews to foster innovation and best practices.
Our Tech Stack
GCP & AWS infrastructure managed with Terraform
Kubernetes, Helm, ArgoCD
Golang
Who You Are:
Cloud – Strong understanding of cloud services and architecture, including compute, storage, networking, IAM, and cost management. Hands-on experience in GCP or AWS.
Kubernetes – Extensive knowledge of Kubernetes fundamentals with practical experience in managing and troubleshooting workloads in production environments.
Infrastructure – Understanding of underlying components, including operating systems and networking, with knowledge of basic security principles. Prior experience managing large-scale, complex infrastructures. Familiarity with GNU/Linux systems is essential.
Observability & Monitoring – Solid understanding of monitoring best practices, service instrumentation, and designing systems with comprehensive observability coverage.
Automation & CI/CD – good programming skills with a focus on automation in at least one modern language (Python, Go, Java, etc.). Familiarity with CI/CD and version control tools is essential.
Collaboration & Communication – Ability to collaborate effectively with teammates and external project teams hosting services on our platform, fostering clear communication and seamless knowledge sharing.
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!
Who We Are:
Criteo is the global commerce media company that enables marketers and media owners to deliver richer consumer experiences and drive better commerce outcomes through its industry leading Commerce Media Platform.
At Criteo, our culture is as unique as it is diverse. From our offices around the world or from home, our incredible team of 3,600 Criteos collaborates to develop an open and inclusive environment. We seek to ensure that all of our workers are treated equally, and we do not tolerate discrimination based on race, gender identity, gender, sexual orientation, color, national origin, religion, age, disability, political opinion, pregnancy, migrant status, ethnicity, marital or family status, or other protected characteristics at all stages of the employment lifecycle including how we attract and recruit, through promotions, pay decisions, benefits, career progression and development. We aim to ensure employment decisions and actions are based solely on business-related considerations and not on protected characteristics. As outlined in our Code of Business Conduct and Ethics, we strictly forbid any kind of discrimination, harassment, mistreatment or bullying towards colleagues, clients, suppliers, stakeholders, shareholders, or any visitors of Criteo. All of this supports us in our mission to power the world’s marketers with trusted and impactful advertising encouraging discovery, innovation and choice in an open internet.
Why Join Us:
At Criteo, we take pride in being a caring culture and are committed to providing our employees with valuable benefits that support their physical, emotional and financial wellbeing, their interests and the important life events. We aim to create a place where people can grow and learn from each other while having a meaningful impact. We want to set you up for success in your job, and an important part of that includes comprehensive perks & benefits. Benefits may vary depending on the country where you work and the nature of your employment with Criteo. When determining compensation, we carefully consider a wide range of job-related factors, including experience, knowledge, skills, education, and location. These factors can cause your compensation to vary.