Principal Mechanical Engineer in Portsmouth

Principal Mechanical Engineer in Portsmouth

Portsmouth Temporary 52000 - 68000 £ / year (est.) Home office possible
Mane Contract Services

At a Glance

  • Tasks: Lead mechanical engineering solutions for innovative energy transition projects.
  • Company: Join a dynamic team focused on low-carbon and zero-carbon energy infrastructure.
  • Benefits: Competitive hourly rate, remote work flexibility, and exposure to cutting-edge technologies.
  • Other info: Collaborative environment with opportunities for professional growth and development.
  • Why this job: Shape the future of energy while working on groundbreaking projects across the UK.
  • Qualifications: Degree in Mechanical Engineering and significant experience in Power Generation or Oil & Gas.

The predicted salary is between 52000 - 68000 £ per year.

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

  • 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.

    Principal Mechanical Engineer in Portsmouth employer: Mane Contract Services

    Join a forward-thinking company that prioritises innovation and sustainability in the energy sector. As a Principal Mechanical Engineer, you will thrive in a collaborative remote work environment, with opportunities for professional growth while contributing to groundbreaking low-carbon projects. Enjoy the flexibility of remote working combined with occasional visits to vibrant UK cities, fostering a dynamic work culture that values your expertise and encourages impactful contributions to the future of energy infrastructure.
    Mane Contract Services

    Contact Detail:

    Mane Contract Services Recruiting Team

    StudySmarter Expert Advice 🤫

    We think this is how you could land Principal Mechanical Engineer in Portsmouth

    ✨Network Like a Pro

    Get out there and connect with people in the energy sector! Attend industry events, webinars, or even local meet-ups. The more you engage with professionals, the better your chances of landing that Principal Mechanical Engineer role.

    ✨Show Off Your Skills

    When you get the chance to chat with potential employers, don’t hold back! Share your experiences with mechanical engineering projects, especially those related to low-carbon technologies. Let them see how you can contribute to their team.

    ✨Tailor Your Approach

    Every company is different, so make sure you tailor your conversations to fit their needs. Research their projects and challenges, and come prepared with ideas on how you can help them succeed in the energy transition.

    ✨Apply Through Us!

    Don’t forget to apply through our website! We’ve got loads of opportunities in the energy sector, and we want to help you find the perfect fit for your skills and experience. Let’s get you started on this exciting journey!

    We think you need these skills to ace Principal Mechanical Engineer in Portsmouth

    Mechanical Engineering
    Project Lifecycle Management
    Feasibility Studies
    Concept Design
    Detailed Design
    Equipment Specifications
    Engineering Calculations
    Pressure Vessel Design
    Piping Design
    Stress Analysis
    3D Modelling
    MS Excel
    MathCAD
    Gas Turbine Systems
    Collaboration with OEMs and EPC Contractors

    Some tips for your application 🫡

    Tailor Your CV: Make sure your CV is tailored to the Principal Mechanical Engineer role. Highlight your experience in energy transition projects and any relevant technical skills that match the job description. We want to see how your background aligns with our needs!

    Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about low-carbon technologies and how your expertise can contribute to our Energy Transition team. Keep it engaging and personal, so we get a sense of who you are.

    Showcase Relevant Projects: When detailing your experience, focus on specific projects you've worked on that relate to the role. Whether it's conventional power generation or innovative low-carbon solutions, we want to see your hands-on experience and problem-solving skills in action.

    Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it gives you a chance to explore more about what we do at StudySmarter!

    How to prepare for a job interview at Mane Contract Services

    ✨Know Your Stuff

    Make sure you brush up on your technical knowledge related to mechanical engineering, especially in the context of energy transition and low-carbon technologies. Be ready to discuss your experience with pressure vessel design, piping systems, and any relevant projects you've worked on.

    ✨Showcase Your Leadership Skills

    As a Principal Mechanical Engineer, you'll be leading projects and teams. Prepare examples that highlight your leadership experience, particularly in multidisciplinary environments. Think about times when you influenced project outcomes or collaborated effectively with various stakeholders.

    ✨Understand the Company’s Vision

    Research the company’s role in the energy transition sector. Familiarise yourself with their recent projects and initiatives. This will not only help you answer questions but also allow you to ask insightful questions that show your genuine interest in their work.

    ✨Prepare for Technical Questions

    Expect to face technical questions that assess your problem-solving skills and understanding of industry codes and standards. Practice articulating your thought process clearly, especially when discussing complex engineering concepts or calculations.

    Principal Mechanical Engineer in Portsmouth
    Mane Contract Services
    Location: Portsmouth

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