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Principal Mechanical Engineer

Remote / Online - Candidates ideally in
Twickenham, Greater London, TW1, England, UK
Listing for: Fusion People Ltd
Contract, Remote/Work from Home position
Listed on 2026-08-06
Job specializations:
  • Engineering
    Mechanical Engineer, Energy Engineer, Electrical Engineering
  • Energy/Power Generation
    Energy Engineer, Electrical Engineering
Salary/Wage Range or Industry Benchmark: 58 GBP Hourly GBP 58.00 HOUR
Job Description & How to Apply Below
Principal Mechanical Engineer Hybrid with occasional visits to the office Location - Manchester OR London OR Newcastle OR Glasgow Contract role - 6 months rolling Inside IR35 - £58 / hour Umbrella A Principal Mechanical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is hybrid and predominantly home based, but you must be willing to occasionally travel to either Manchester, London, Newcastle or Glasgow (dependent on your location).

This role will be working in the Energy Transition industry working on low-carbon projects from early-stage development through construction, operation and eventual decommissioning, currently focusing on power plant projects. Responsibilities Developing cost-effective, practical mechanical engineering solutions to complex problems Producing calculations, equipment specifications and datasheets for turbines, compressors, pumps, pressure vessels and heat exchangers Collaborating with process engineers on PFDs and P&IDs Supporting plant layout development and 3D model reviews Working with equipment vendors and evaluating technical proposals Providing engineering advice on plant integrity issues for operational assets Contributing to mechanical discipline bids and wider multi-disciplinary proposals Requirements A relevant engineering degree Working towards chartership Significant work experience in Power Generation or Oil & Gas Strong knowledge of industry codes and standards for plant equipment and piping design Experience in pressure vessel and piping design, including stress analysis Familiarity with plant 3D modelling, working alongside designers and pipe stress engineers Proficiency in MS Excel for schedules/datasheets and MathCAD for engineering calculations

Experience with operational thermal plant, troubleshooting and integrity assessments Knowledge of gas turbine systems; reciprocating engine experience is an advantage

Experience with OEMs, EPC contractors or similar organisations O&M experience highly desirable The work spans:
Conventional power generation Energy-from-waste facilities Industrial energy systems Carbon capture, utilisation and storage (CCUS) Future fuels and first-of-a-kind low-carbon technologies  Fusion People are committed to promoting equal opportunities to people regardless of age, gender, religion, belief, race, sexuality or disability. We operate as an employment agency and employment business. You'll find a wide selection of vacancies on our website.
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