About the JobOleson specialise in delivering high quality talent and solutions that enhance the capabilities and operational excellent of our global customers.We are focused on matching the dynamic needs of Data Centre and Life Science clients with skilled professionals, thereby driving innovations and in growth in these critical sectors.About the Role:We are looking for a Commissioning Engineer to join our team. In the role you will partner with a hyperscale Data Center client to ensure delivery of mission critical projects.What you'll do:Commissioning & Testing: Execute Level 1–4 testing of systems, including Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).PLC Automation & Troubleshooting: Develop, debug, and refine PLC logic for BMS control systems; perform Modbus testing in line with register mapping specifications.Sensor & Field Device Support: Troubleshoot temperature, humidity, and pressure sensors, as well as transmitters, to ensure accurate system feedback.Test Script Development: Create, document, and execute detailed test scripts to validate system functionality and performance across all commissioning levels.Point-to-Graphic Verification: Prepare and review point lists (both hardwired and high-level interfaces), controls, alarm logs, trend data, and graphic screens.Wiring & Start-Up Checks: Perform physical wiring inspections, verify field device integrity, and support system start-ups and plant integration.HVAC System Support: Provide automation and commissioning support for chillers, AHUs, and ventilation systems. System Diagnostics: Identify, analyze, and resolve system faults; recommend fixes and improvements; offer technical support to wider project teams. The Requirements:A technical qualification in Electrical, Mechanical, Mechatronics, Automation, or a related field.1+ years' experience with programming Rockwell Allen Bradley PLCs, or automation systems. Ability to read technical drawings, schematics, and system architecture documents.A valid Work Visa Willingness to travel for UK/EU projects