Infrastructure Engineer

Infrastructure Engineer – London

smart

Trade Technologies is a software publisher specializing in the trading and finance sector. Its clients primarily include investment banks, stock exchanges, brokers, and pension funds. smart

Trade enables real‑time computerized management of financial flows among these different stakeholders.

Joining smart

Trade means becoming a part of an innovative and international company with offices in Aix‑en‑Provence, London, Geneva, New York, Toronto, and Tokyo.

Skill development and career progression are top priorities at smart

Trade, offering employees numerous opportunities for learning, advancement, and mobility. Sports and their values of teamwork, performance, and dynamism are integral to the company's culture.

Additionally, smart

Trade is highly committed to continuously supporting various charitable and environmental initiatives.

We are seeking a hands‑on Linux Systems & Datacenter Administrator to join our Europe Platforms Operations team.

Slough area

You’ll be the on‑the‑ground owner for our Slough (Equinix) Platforms environment and a key contributor to our global private cloud.

The role blends Linux systems administration (Ubuntu), containerized compute (LXD/LXC, some Docker), networking, and datacenter operations.

You will partner with engineering, network, and security teams to ensure reliability, performance, and change control in a 24x7, market‑facing environment.

This is a production‑oriented role: you’ll prepare, review and execute changes, troubleshoot live issues, execute maintenance windows, and continuously improve our platform through automation and rigorous documentation.

• Servers:
  Dell, HPE, Supermicro.
• Storage: LVM, software and hardware RAID (mdadm, MegaRAID, LSI, …).
• Containers: LXD/LXC (primary), some Docker.
• Networking (day‑2 ops): VLANs, LACP, ACLS, routing basics; vendors include Dell, Supermicro, Arista, Juniper, VYOS.
• Applications & Data:
  MySQL, Elasticsearch, Kafka, Java, Apache HTTPD, … Automation & IaC:
  Git/Git Lab, Ansible, Netbox, Chef, Terraform; scripting with Bash/Python.
• Monitoring/Observability:
  Centreon, Dynatrace.

• Operate and improve Linux fleets (Ubuntu) in production.
• Manage HPC bare‑metal and LXD/LXC container platforms.
• Provide level‑3 incident response for infrastructure issues (systems, containers, network paths, storage), restoring service within SLAs and driving post‑mortems.
• Own Platforms datacenter operations in Slough: rack/stack, cabling, optics, power planning, servers installation, console/OOB, manage inventory in Netbox, RMA logistics, and vendor coordination (Equinix Smart Hands, carriers, OEMs).
• Perform day‑2 network operations on switches and firewalls (ACLS, VLANs, LAGS, routing basics), and collaborate closely with network engineering for changes.
• Automate with Ansible Chef for configuration management and Terraform for IaC on AWS where applicable. Build reliable tooling for repeatable ops (config generation, pre‑change checks, deployments, and validation).
• Contribute to change management (runbooks, maintenance windows, rollback plans) and keep documentation current (network diagrams, inventories, SOPs).
• Participate in a Follow‑the‑Sun operations model, coordinating with your EMEA/APAC peers.

• 2‑3+ years operating Linux (Ubuntu, CentOS, Red Hat) in production environments.
• This position requires occasional on‑call availability outside of standard business hours to respond to urgent or critical operational issues. Flexibility to be contacted outside regular working hours is required.
• Previous datacenter work exposure: rack/stack, structured cabling (fiber/copper), PDUs, console/OOB, vendor/Smart Hands coordination, and accurate inventory. If no prior experience, willingness to learn and work in such environments.
• Containers: exposure to LXC or Docker in a production environment and their inner workings.
• Server hardware & storage: LVM, software RAID, MegaRAID tooling, firmware/BIOS/BMC (iDRAC/ILO/IPMI), and hands‑on diagnostics and replacements.
• Networking fundamentals for day‑to‑day ops: VLANs, LACP, trunking, ACLs, static routes, BGP, DNS/DHCP, link/MTU…