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Mane Contract Services

Principal Mechanical Engineer

United Kingdom
£60.00/hr
Posted about 18 hours ago
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Principal Mechanical Engineer – Low Carbon & Energy Transition

Contract Duration: 6 Months (Rolling)
Location: Remote (Occasional travel to London, Manchester, Newcastle, or Glasgow)
Rate: Up to £60/hr
IR35 Status: Inside IR35

Shape the Future of Low-Carbon Infrastructure

Are you a senior mechanical engineer looking to make a direct impact on the UK’s net-zero roadmap?

We are seeking a Principal Mechanical Engineer to join a premier Energy Transition team delivering next-generation low- and zero-carbon projects. From early-stage concept development through to FEED, detailed design, and decommissioning, you will solve complex engineering challenges across high-impact sectors including Carbon Capture (CCUS), Energy-from-Waste, future fuels, and conventional power generation.

Key Responsibilities:

  • Engineering Design: Develop cost-effective, practical mechanical designs across Feasibility, Concept, FEED, Value Engineering, and Detailed Design phases.
  • Technical Deliverables: Produce calculations, equipment specifications, and detailed datasheets for major plant equipment (turbines, compressors, pumps, pressure vessels, and heat exchangers).
  • Process & Layout Integration: Work alongside process engineers on PFDs and P&IDs, supporting plant layout development and participating in 3D model reviews.
  • Vendor & Asset Management: Technical evaluation of vendor proposals and provision of specialist integrity advice for operational assets.
  • Commercial Support: Contribute expert input to mechanical discipline bids and multi-disciplinary proposals.

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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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What You’ll Need to Succeed:

  • Qualifications: Degree in Mechanical Engineering (or equivalent discipline) and Chartered status (CEng / IEng) with a recognized professional institution.
  • Sector Expertise: Proven post-graduate experience within Power Generation or Oil & Gas.
  • Codes & Design Standards: Deep understanding of relevant industry codes for plant equipment, piping design, pressure vessels, and stress analysis.
  • Technical Software & Tools: Proficiency in MS Excel (schedules/datasheets) and MathCAD for engineering calculations, alongside experience with 3D plant modeling workflows.
  • Thermal & Power Plant Knowledge: Solid background with operational thermal plants, troubleshooting, integrity assessments, and gas turbine systems (reciprocating engine experience is a plus).
  • Commercial Exposure: Experience collaborating with OEMs, EPC contractors, or O&M organizations.

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Why Apply?

  • High-Impact Work: Lead pioneering projects pushing the boundary of decarbonization technology.
  • Flexibility: True remote working flexibility with occasional visits to a regional hub (London, Manchester, Newcastle, or Glasgow).
  • Long-Term Potential: A rolling contract on a multi-year portfolio of critical energy infrastructure projects.

Ready to Apply?

If you meet the requirements above and want to play a central role in the UK’s transition to cleaner energy, apply today with your updated CV.

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Skills

Mechanical Engineering Design
Carbon Capture (CCUS)
Energy-from-Waste
FEED
Detailed Design
Pressure Vessel Design
Piping Design
Stress Analysis
MathCAD
3D Plant Modeling
Technical Specifications
Vendor Evaluation
Thermal Plant Operations
Gas Turbine Systems
Value Engineering
Project Management

Location

United Kingdom

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