Flow Traders is looking for an experienced Datacenter Engineer to own and support the physical infrastructure across our European colocation estate, including latency-sensitive trading sites, back-office datacenters, and microwave/wireless locations. You will be responsible for the full physical infrastructure lifecycle, from new deployments and hardware refreshes to troubleshooting, capacity planning, documentation, and decommissioning. This is a highly hands-on role requiring regular travel across Europe and close collaboration with Network, Systems, Trading Infrastructure, carriers, and colocation providers.