Principal Mechanical Engineer

New Today

Principal Mechanical Engineer 

Manchester, Leeds, or Chester - Hybrid (3 days office / 2 days remote)
Full-time - Permanent
Ideally Chartered - Water Sector Experience Required

Help shape the future of water infrastructure with GHD.
We’re looking for a Principal Mechanical Engineer to join our growing UK Water team, based in Manchester, Leeds, or Chester. This is a fantastic opportunity to lead and deliver innovative mechanical design solutions across a wide range of water and wastewater projects.

About the Role

As a Principal Mechanical Engineer, you’ll play a key role in the design, development, and delivery of mechanical systems and infrastructure for water and wastewater treatment facilities. You’ll be responsible for:

  • Leading the mechanical design of pumping stations, pipelines, treatment works, and associated mechanical systems.
  • Developing engineering solutions that meet client needs in terms of functionality, performance, cost, and sustainability.
  • Overseeing the installation, operation, and maintenance of mechanical equipment including centralized heat, gas, water, and steam systems.
  • Ensuring compliance with engineering standards, regulatory requirements, and best practices.
  • Supporting project delivery through all stages – from feasibility and concept design to detailed design and construction support.
  • Mentoring junior engineers and contributing to the technical leadership of the team.
  • Collaborating with multi-disciplinary teams and managing relationships with clients, contractors, and stakeholders.
    • What You’ll Bring
  • Extensive experience in mechanical engineering within the UK water sector (clean and/or wastewater).
  • Strong background in mechanical design including: Equipment sizing and selection Hydraulic calculations P&IDs and layout drawings Technical specifications and reports
  • Ideally Chartered Engineer (CEng) or working towards chartership.
  • Proven ability to lead projects, manage resources, and deliver high-quality outcomes.
  • Familiarity with relevant software tools (., AutoCAD, Revit, Plant 3D, or similar).
  • Excellent communication and stakeholder engagement skills.
    • Why GHD?

    At GHD, we’re committed to solving the world’s biggest challenges in the areas of water, energy, and urbanisation. You’ll be part of a collaborative, forward-thinking team that values innovation, sustainability, and continuous improvement.

    We offer:

  • A flexible hybrid working model
  • Competitive salary and benefits
  • Professional development and chartership support
  • A culture that values diversity, inclusion, and wellbeing
    • Ready to make an impact?

    Join us in shaping a sustainable future for water infrastructure.
    Apply now to become a Principal Mechanical Engineer at GHD.

    Apply
    Location:
    Manchester
    Job Type:
    FullTime

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