About the Role
Flow Traders runs trading system infrastructure across a global Linux fleet, multi-cloud and distributed systems. The company also builds and operates a self-service infrastructure platform used by the rest of Technology.
Responsibilities
•Write, debug, and publish reusable Terraform modules for the Linux fleet and cloud estate
•Design and own CI/CD workflows and guardrails in GitHub Actions, including policy checks, tests, and approval gates
•Build and operate Kubernetes clusters in the cloud and on-premise, along with distributed systems, particularly Kafka
•Provision and operate GCP, AWS, and Alibaba Cloud resources through Infrastructure as Code
•Operate and automate the Linux estate, including Foreman provisioning, Puppet host configuration, Ansible/AWX application deployment, patching, and lifecycle management
•Build automation and internal tooling in Python or Go using test-driven development
•Participate in the global 24/7 on-call rotation and cross-skill between Linux and cloud infrastructure
Requirements
•Strong Terraform experience, including writing, debugging, and producing reusable modules
•CI/CD experience, ideally with GitHub Actions; experience with GitLab CI or Jenkins is also acceptable
•Solid production Kubernetes experience across workloads, CNI, Helm, and Argo
•Hands-on experience provisioning and operating GCP or AWS through Infrastructure as Code
•Strong Linux fundamentals, including processes, networking, storage, systemd, logs, and kernel versus user space
•Proficiency in Python or Go and demonstrable test-driven development experience
•Direct production on-call and incident response experience, with a considered view on sustainable rotations
•Typically 5+ years in infrastructure, platform, or systems engineering
•Fluent written and spoken English
•Based in the Amsterdam area or willing to relocate
Nice to Have
•Self-managed or bare-metal Kubernetes clusters, contributing to or authoring operators
•A cross-domain Linux/systems and cloud/platform background
•GCP, production Kafka, Puppet, Ansible/AWX, Foreman
•Bare-metal and datacenter infrastructure, hardware lifecycle, VMware, Proxmox
•Networking across routing, load balancing, BGP, and multicast
•Financial services, trading, or another high-availability, latency-sensitive environment
•Dutch
Conditions
•On-site role; not remote
•24/7 on-call rotation
