Commissioning Engineer – Wales Oleson 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. Role Description: We’re seeking a hands-on, detail-driven Commissioning Engineer to join our high-performance team on a Data Centre Project in Wales In this role, you'll be responsible for point to graphics testing using ignition SCADA. The Role: Panel layout and component review relating to I/O and Instrument termination points Regular Progress Reports Provide cable markers as required RAMS to be created to cover working at height, working with hand tools etc. 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. System Diagnostics: Identify, analyze, and resolve system faults; recommend fixes and improvements; offer technical support to wider project teams. Requirements: A technical qualification in Electrical, Mechanical, Mechatronics, Automation, or a related field. 2 years’ experience with programming PLCs, or automation systems. Ability to read technical drawings, schematics, and system architecture documents. Must be eligible to work in the UK as no sponsorship is provided.