Principal Mechanical Engineer

Fusion People Ltd
London, GB
Hybrid

Job Description

Principal Mechanical Engineer

Remote with occasional visits to the office

Location - Manchester OR London OR Newcastle OR Glasgow

Contract role - 6 months rolling

Inside IR35 - £65 / hour Umbrella

A Principal Mechanical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is remote, 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.

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 proposalsRequirements

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 desirableThe 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

Skills & Requirements

Technical Skills

TurbinesCompressorsPumpsPressure vesselsHeat exchangersPfdsP&ids3d modellingMs excelMathcadMechanical engineeringEnergy transitionPlant integrity

Salary

£65 - £65

hour

Employment Type

CONTRACT

Level

principal

Posted

4/30/2026

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