Principal Mechanical Engineer
Posted Today by Mane Contract Services
£65 Per hour
Inside
Remote
United Kingdom
Summary: This role seeks an experienced Principal Mechanical Engineer to join a growing Energy Transition team, focusing on the design and delivery of low-carbon energy infrastructure. The position involves leading mechanical engineering delivery throughout the project lifecycle, influencing major UK energy projects. The engineer will work within a multidisciplinary environment, collaborating with various stakeholders to deliver innovative engineering solutions. This is a senior technical role that offers the opportunity to shape the future of energy transition projects across the UK.
Key Responsibilities:
- Lead the development of mechanical engineering solutions across all project stages
- Deliver work across: Feasibility studies, Concept design, FEED, Value engineering, Detailed design
- Produce mechanical deliverables including: Equipment specifications and datasheets, Engineering calculations, Turbine, compressor, pump, pressure vessel and heat exchanger specifications
- Collaborate with process engineers on PFDs and P&IDs
- Support plant layout development and 3D model reviews
- Work with OEMs and vendors to assess and evaluate technical proposals
- Provide technical input on plant integrity and operational issues
- Contribute to mechanical discipline bids and multidisciplinary proposals
Key Skills:
- Degree in Mechanical Engineering or related discipline
- Chartered Engineer status (or working towards IEng/CEng) with a relevant professional institution
- Significant post-graduate experience in Power Generation or Oil & Gas
- Strong understanding of industry codes and standards for plant and piping systems
- Experience in pressure vessel and piping design, including stress analysis
- Familiarity with plant layout and 3D modelling environments
- Strong proficiency in: MS Excel (schedules, datasheets), MathCAD (engineering calculations)
- Experience with operational thermal plant, including troubleshooting and integrity assessment
- Knowledge of gas turbine systems (reciprocating engines desirable)
- Experience working with OEMs, EPC contractors, or similar organisations
- O&M experience highly desirable
Salary (Rate): £65.00/hr
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: inside IR35
Seniority Level: Senior
Industry: Energy
Sector: Energy Transition / Power & Industrial
Location: Remote (UK) with occasional travel to Manchester, London, Newcastle & Glasgow offices
Contract Type: 6-month rolling contract
IR35 Status: Inside IR35
Rate: Up to £65.00 per hour (Umbrella)
Overview
We are seeking an experienced Principal Mechanical Engineer to join a growing Energy Transition team , supporting the design and delivery of next-generation low-carbon and zero-carbon energy infrastructure. This is a senior technical role within a multidisciplinary engineering environment, offering the opportunity to influence major UK energy projects spanning conventional power, emerging low-carbon technologies, and first-of-a-kind systems. You will lead mechanical engineering delivery across the full project lifecycle—from feasibility and concept design through to detailed design, construction, operation, and decommissioning.
Project Scope
Projects will include a broad range of energy transition and industrial systems, such as:
- 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
You will work closely with developers, utilities, EPC contractors, OEMs, government bodies, and financial stakeholders to deliver safe, efficient, and innovative engineering solutions.
Key Responsibilities
- Lead the development of mechanical engineering solutions across all project stages
- Deliver work across: Feasibility studies, Concept design, FEED, Value engineering, Detailed design
- Produce mechanical deliverables including: Equipment specifications and datasheets, Engineering calculations, Turbine, compressor, pump, pressure vessel and heat exchanger specifications
- Collaborate with process engineers on PFDs and P&IDs
- Support plant layout development and 3D model reviews
- Work with OEMs and vendors to assess and evaluate technical proposals
- Provide technical input on plant integrity and operational issues
- Contribute to mechanical discipline bids and multidisciplinary proposals
Required Skills & Experience
- Degree in Mechanical Engineering or related discipline
- Chartered Engineer status (or working towards IEng/CEng) with a relevant professional institution
- Significant post-graduate experience in Power Generation or Oil & Gas
- Strong understanding of industry codes and standards for plant and piping systems
- Experience in pressure vessel and piping design , including stress analysis
- Familiarity with plant layout and 3D modelling environments
- Strong proficiency in: MS Excel (schedules, datasheets) MathCAD (engineering calculations)
- Experience with operational thermal plant, including troubleshooting and integrity assessment
- Knowledge of gas turbine systems (reciprocating engines desirable)
- Experience working with OEMs, EPC contractors, or similar organisations
- O&M experience highly desirable
Additional Information
- Remote working with occasional UK office visits
- Exposure to major energy transition and low-carbon infrastructure programmes
- Collaborative multidisciplinary engineering environment
- Opportunity to work on innovative, first-of-a-kind technologies
Summary
This is an excellent opportunity for a senior Mechanical Engineer to take a leading role in delivering complex energy transition projects, shaping the future of low-carbon infrastructure across the UK and beyond.