Linux Systems Engineer
OptiverAbout the Role
The Optiver Linux Systems Engineering Team ensures trading servers work reliably in a highly-customized bare metal environment where proprietary tools and technology run at breakneck speed. You will tackle the full lifecycle of servers—building, deploying, and supporting large-scale Linux/Unix infrastructure while monitoring performance, managing capacity, and fixing technical incidents. This role involves leading intelligent automation initiatives, bridging hardware and software concerns, and researching new technologies to keep systems best-in-class while enabling controlled technology evolution.
- Tackle the life cycle of a server and build and deploy new solutions
- Performance monitoring and managing the system capacity
- Fix and analyze technical incidents, solve technical ad hoc problems
- Lead the charge to intelligent automation
- Be the connection between hardware and software
- Research new technologies and solutions, implement them or build better alternatives
Requirements
- Strong Linux systems engineering experience in production environments
- Hands-on experience operating Kubernetes on-prem (not only managed cloud offerings)
- Solid understanding of networking fundamentals (L2/L3, routing, firewalls, load balancing)
- Experience troubleshooting performance issues across kernel, container and network layers
- Production mindset with experience in incident response and post-mortem driven improvements
- Experience with Rancher
- Experience with Cilium or other CNI technologies
- Experience with ArgoCD (GitOps workflows)
- Experience with Terraform
- Experience with CI/CD systems such as GitHub Actions
- Nice to have: Experience building monitoring stacks (e.g. Prometheus, Grafana)
- Nice to have: Experience with Kubernetes security controls (network policies, RBAC, policy engines)
- Nice to have: Knowledge of low-latency or performance-sensitive environments
- Nice to have: Experience contributing to internal platform tooling
What You'll Get
- A performance-based bonus structure, enabling all of our employees to benefit from our global profit pool
- The opportunity to work alongside best-in-class professionals from over 50 different countries
- Training opportunities, discounts on health insurance, and fully paid first-class commuting expenses
- Extensive office perks, including breakfast, lunch and dinner, world-class barista coffee, in-house physio and chair massages, organized sports and leisure activities
- Training and continuous learning opportunities, including access to conferences and tech events