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Algorithmic Trading — Netherlands

Optiver is a leading global electronic market maker on a mission to continuously improve financial markets by creating better access and fairer prices for all. Using their own capital, they provide liquidity across equities, derivatives, ETFs, bonds, and currencies - keeping markets stable and competitive, even in the most volatile conditions.

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Optiver

Linux Engineer - Bare Metal & Kubernetes

Experienced • 📍 Amsterdam

As a Linux Engineer in the Global Linux team, you will design, build and operate the critical infrastructure that powers Optiver's trading environment. The team owns both large-scale bare-metal Linux platforms and on-prem Kubernetes clusters across our global datacenters.

You'll play a key role in evolving our Kubernetes platform while continuing to support and improve our high-performance Linux estate.

Responsibilities

  • Design, deploy and operate on-prem Kubernetes clusters in a bare-metal environment (Rancher-managed)
  • Maintain and improve bare-metal Linux infrastructure, including provisioning, lifecycle management and performance tuning
  • Own and operate core Kubernetes components including Cilium (CNI), ArgoCD (GitOps) and Rancher
  • Build and maintain CI/CD workflows for infrastructure and cluster deployments using ArgoCD and GitHub Actions
  • Develop and maintain infrastructure as code using Terraform and bespoke on-prem systems
  • Participate in on-call rotation covering both Kubernetes clusters and other Linux-based production systems
  • Drive reliability, scalability and performance improvements across containerized and non-containerized workloads
  • Contribute to monitoring, observability and security posture across the Linux and Kubernetes platforms
  • Build clear documentation and operational runbooks so the broader team can effectively operate the platforms

Requirements

  • Strong Linux systems engineering experience in production environments
  • Hands-on experience operating Kubernetes on-prem (not only managed cloud offerings)
  • Experience with Rancher, Cilium (or other CNI technologies), ArgoCD (GitOps workflows), and Terraform
  • Experience with CI/CD systems such as GitHub Actions
  • Solid understanding of networking fundamentals (L2/L3, routing, firewalls, load balancing)
  • Experience troubleshooting performance issues across kernel, container and network layers
  • A production mindset, with experience in incident response and post-mortem-driven improvements

Nice-to-Haves

  • Experience building monitoring stacks (e.g. Prometheus, Grafana)
  • Experience with Kubernetes security controls (network policies, RBAC, policy engines)
  • Knowledge of low-latency or performance-sensitive environments
  • Experience contributing to internal platform tooling
  • No prior trading or financial experience is needed – Optiver's onboarding program will kick-start your career and get you up to speed on the business.

Benefits

  • A performance-based bonus structure, enabling all employees to benefit from our global profit pool
  • The opportunity to work alongside best-in-class professionals from over 50 different countries
  • 25 paid vacation days in your first year, increasing to 30 from your second year onwards
  • Training opportunities, discounts on health insurance, and fully paid first-class commuting expenses
  • Extensive office perks: breakfast, lunch and dinner, world-class barista coffee, in-house physio and chair massages, organized sports and leisure activities, and Friday afternoon drinks
  • Access to conferences and tech events for continuous learning
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