Principal Mechanical Engineer

Fusion People Ltd; Glasgow; On-site; GBP 68,000 - 92,000; Full time

Job summary

Fusion People are recruiting a Principal Mechanical Engineer to join a design consultancy on a 6-month rolling contract. The role is hybrid and predominantly home based, with occasional travel to Manchester, London, Newcastle or Glasgow.

You will work on energy transition projects focusing on low‑carbon power plant initiatives, developing practical mechanical solutions and coordinating with process engineers and vendors.

Qualifications

• Degree in engineering.
• Chartered or working towards chartership.
• Experience in Power Generation or Oil & Gas.
• Knowledge of codes and standards for plant equipment.
• Experience with pressure vessels and piping design.
• Proficiency in MS Excel and MathCAD for calculations.
• Operational thermal plant troubleshooting and integrity assessments.
• Knowledge of gas turbine systems; reciprocating engines a plus.
• Experience with OEMs, EPCs or similar organisations.
• O&M experience desirable.

Responsibilities

• Develop cost‑effective mechanical engineering solutions for complex problems.
• Produce calculations, equipment specifications and datasheets.
• Collaborate with process engineers on PFDs and P&IDs.
• Support plant layout development and 3D model reviews.
• Work with equipment vendors and evaluate proposals.
• Provide engineering advice on plant integrity for assets.
• Contribute to mechanical bids and multi‑disciplinary proposals.

Skills

Power generation

Piping design

3D modelling

Gas turbines

Stress analysis

MathCAD

MS Excel

Equipment datasheets

Education

Engineering degree

Tools

MS Excel

MathCAD

Job description

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
• Chartered or 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.