About this job
<p style="min-height:1.5em"><strong>TLDR:</strong> We’re looking for a DevOps Engineer to build and maintain the cloud and on-prem infrastructure behind our platform: Kubernetes clusters, CI/CD pipelines, observability, networking, and automation that keep production reliable, secure, and scalable.</p><p style="min-height:1.5em"></p><h1><strong>About us</strong></h1><p style="min-height:1.5em"><a target="_blank" rel="noopener noreferrer nofollow" href="https://whitecircle.ai">White Circle</a> is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what an AI model should and shouldn’t do. We automatically test, enforce, and continuously improve these policies at scale.</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">We’ve raised $11M from top funds, founders, and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others</p></li><li><p style="min-height:1.5em">We process over one hundred million API calls every month</p></li><li><p style="min-height:1.5em">We fine-tune and train our own LLMs so they run faster and cheaper than any open or proprietary model</p></li></ul><p style="min-height:1.5em">We’re a small, highly focused team. If you want to work deeply on hard problems, see your work ship to production quickly, and influence how AI safety is actually built – you’re the one we need.</p><p style="min-height:1.5em"></p><h1><strong>You will:</strong></h1><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Design, build, and maintain production infrastructure across AWS and on-prem environments</p></li><li><p style="min-height:1.5em">Manage and improve Kubernetes clusters for deployments, scaling, reliability, and day-to-day operations</p></li><li><p style="min-height:1.5em">Build and maintain CI/CD pipelines that make shipping safer, faster, and more predictable</p></li><li><p style="min-height:1.5em">Work on modern infrastructure, including Docker images, runtime security, and lifecycle management overall</p></li><li><p style="min-height:1.5em">Achieve high availability, performance, and observability with monitoring, alerting, and troubleshooting practices</p></li><li><p style="min-height:1.5em">Follow IaC approach using Terraform and similar tolls, help keep environments consistent and easy to scale</p></li><li><p style="min-height:1.5em">Handle networking and connectivity topics across the stack, including routing, firewalls, load balancing, and cluster-to-cluster communication. Achieve least possible latency.</p></li><li><p style="min-height:1.5em">Write Python scripts and internal tooling to automate repetitive tasks and improve operational workflows</p></li><li><p style="min-height:1.5em">Collaborate closely with engineering and ML teams to support product infrastructure, internal platforms, and compute-heavy workloads when needed</p></li></ul><p style="min-height:1.5em"></p><h1><strong>You’ll fit right in if :</strong></h1><ul style="min-height:1.5em"><li><p style="min-height:1.5em">You have hands-on experience with AWS services such as IAM, S3, EKS, and ECR</p></li><li><p style="min-height:1.5em">You’re comfortable working not only in cloud environments, but also with real production on-prem infrastructure</p></li><li><p style="min-height:1.5em">You have strong Unix/Linux fundamentals and can confidently troubleshoot, tune, and operate systems in production</p></li><li><p style="min-height:1.5em">You’ve worked with containers in real environments and understand how to build secure, efficient setups</p></li><li><p style="min-height:1.5em">You have practical experience and fundamental knowledge with Kubernetes, whether in EKS, k0s, or similar distributions</p></li><li><p style="min-height:1.5em">You’ve built or maintained real CI/CD pipelines and understand how to make deployments reliable</p></li><li><p style="min-height:1.5em">You understand networking well, including TCP/IP, routing, firewalls, and load balancing</p></li><li><p style="min-height:1.5em">You have solid Terraform and Infrastructure-as-Code experience</p></li><li><p style="min-height:1.5em">You’ve worked with Datadog for monitoring and observability</p></li><li><p style="min-height:1.5em">You use Python comfortably for automation and internal tools</p></li><li><p style="min-height:1.5em">You communicate clearly and work well with others. Fluent English.</p></li></ul><p style="min-height:1.5em"><strong>A big plus:</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Experience with machine learning or GPU workloads.</p></li><li><p style="min-height:1.5em">Experience with multi-cluster or multi-cloud environments.</p></li><li><p style="min-height:1.5em">Exposure to security-focused infrastructure, air-gapped environments, or locked-down systems.</p></li></ul><p style="min-height:1.5em"></p><h1><strong>Why White Circle</strong></h1><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Meaningful equity package</p></li><li><p style="min-height:1.5em">Paid time off in line with your local regulations, no matter where you work from</p></li><li><p style="min-height:1.5em">Work from Paris (hybrid) + relocation package</p></li><li><p style="min-height:1.5em">Best medical insurance in France</p></li><li><p style="min-height:1.5em">All the hardware, tools, and services you need</p></li><li><p style="min-height:1.5em">Covered subscriptions for AI agents and IDEs</p></li><li><p style="min-height:1.5em">Team off-sites twice a year: we’ve recently been to the Alps and to Saint-Tropez</p></li></ul><p style="min-height:1.5em"></p><h1><strong>How we hire</strong></h1><ol style="min-height:1.5em"><li><p style="min-height:1.5em">Intro call with one of our colleagues (25 min)</p></li><li><p style="min-height:1.5em">Technical interview with DevOps (1.5h)</p></li><li><p style="min-height:1.5em">Final call with our CEO and Head of Engineering (45 min)</p></li></ol><p style="min-height:1.5em">Please submit your application in English.</p><p>Find more <a href="https://www.arbeitnow.fr/english-speaking-jobs">English Speaking Jobs in France</a> on Arbeitnow</a>