Project Maintenance Engineer Location: South East UK – COMAH Site Sector: Chemicals / Hydrogen / Energy Contract: Permanent Job Summary: We're looking for a motivated Project Maintenance Engineer to help upgrade and improve infrastructure on a major UK COMAH site. This role offers a great opportunity to gain experience in the hydrogen and chemical industries, while leading hands-on engineering projects focused on plant safety, reliability, and innovation. Key Responsibilities: Deliver plant upgrade projects (mechanical/process systems) Develop solutions for legacy asset improvement Oversee timelines, budgets, and coordination with cross-functional teams Support commissioning and training for new systems Participate in safety reviews and risk assessments (HAZOP) Work toward enhanced plant performance and sustainability Candidate Requirements: HNC/Degree in Mechanical or Chemical Engineering 2–4 years’ engineering experience in industrial/chemical setting Familiarity with compressed gases is a plus Strong interest in clean energy and hydrogen industries Practical mindset with a proactive and learning-focused attitude This is a great career move for someone ready to contribute to the clean energy transition from the ground up.