Control Systems Engineer - Data Centre Are you an Automation or Control Systems Engineer looking for a role with more variety? Want to mix project delivery with service, optimization, and ongoing support work? Clear. are partnered with a rapidly expanding controls specialist operating exclusively within the Data Centre environment.This position blends hands-on service responsibilities, system optimisation, and long-term client support with involvement in new project work. If you want exposure to cutting-edge critical environments while keeping your technical breadth sharp, this is a great opportunity to join a growing team with huge investment behind it.London Area£50,000 – £55,000Remote WorkingCar AllowanceOvertimeBonusPrivate HealthcareFlexible EnvironmentResponsibilitiesLead or support the engineering and delivery of data centre control systems from specification through to commissioning and handover.Program and configure PLC (Allen-Bradley) and DDC systems (Trend, Tridium Niagara, Cylon) for control of HVAC, power, and environmental systems.Carry out commissioning, functional testing, and validation of new systems.Provide reactive and planned maintenance support on existing PLC/DDC and BMS control systems within live data centre environments.Troubleshoot faults across PLC, DDC, networking, and communication layers to maintain uptime in critical facilities.Support small works, upgrades, firmware updates, and system lifecycle improvements.Work closely with data centre operators, consultants, and internal teams to align design intent, support needs, and integration strategies.Experience Required3–5+ years in building automation, industrial automation, or BMS/EMS engineering, ideally within critical or complex environments.Strong practical experience with Allen-Bradley PLCs.Confident with graphical interface configuration, I/O setup, and logic programming.Hands-on experience with PLC platforms (Siemens, Rockwell, Schneider) and DDC/BMS systems.Ability to diagnose and resolve control system faults across hardware, software, and communications.BEng/HND in Electrical Engineering, Building Services, Automation, or similar.