I&C Commissioning Engineer – Principal Contractor Major 450MW Gas Power Project | Essex Excellent Rates 12 month contract outside of IR35 We’re looking for an experienced I&C Commissioning Engineer to join our clients projects team. * Commission and test I&C systems including control panels, PLCs, SCADA, and engine management systems. * Perform functional testing of instrumentation, control loops, and automation systems across the site. * Interface with OEMs, EPC contractors, and site teams to ensure systems are commissioned in line with project specifications. * Troubleshoot and resolve issues related to sensors, actuators, control logic, and communication protocols. * Support integration of systems into the central control architecture, ensuring seamless operation and data flow. * Act as a key site contact for subcontractor commissioning teams. * Participate in site-level decision-making and problem-solving during commissioning. * Maintain accurate records and documentation to ensure traceability and protect SEL’s position. * Assist with snagging and final acceptance of I&C packages. * Ensure compliance with all applicable company procedures and processes. Requirements * Experience commissioning I&C systems in gas peaking, thermal power, or reciprocating engine environments. * Strong understanding of instrumentation, control systems, and automation protocols (e.g. Modbus, Profibus, Ethernet/IP). * Ability to read and interpret P&IDs, wiring diagrams, and control logic. * Degree/HNC/HND/BTEC or equivalent in a relevant engineering discipline. * CSCS card or ECITB CCNSG Safety Passport. * Comfortable working on-site in a dynamic commissioning environment. * Excellent communication and documentation skills