About the Opportunity NRL are currently recruiting for a Mechanical or Process Commissioning Engineer to support commissioning activities with one of our major clients on a national infrastructure project. Reporting to a Commissioning Manager, this role offers the opportunity to play a key part in the safe and successful commissioning of critical Infrastructure systems within the UK. Working in a highly regulated and collaborative environment, you will take ownership of multiple systems and contribute directly to commissioning strategy, planning, and execution. This is a hands-on role with significant technical responsibility and visibility, supporting delivery excellence across safety, quality, and performance. What You’ll Be Doing As a Mechanical or Process Commissioning Engineer, you will be responsible for the end-to-end commissioning of allocated systems. You will act as a subject matter expert for your systems, supporting commissioning readiness, execution, and system handover while ensuring compliance with safety and regulatory standards. Key Responsibilities Will Include * Taking ownership of 2–3 critical systems, developing in-depth system knowledge and acting as the technical subject matter expert. * Producing and managing commissioning documentation, including procedures for testing, verification, and system validation. * Supporting design reviews to ensure plant layouts and system configurations facilitate effic...