Job Description

Job Category: Engineering
: 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 (e.g., 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.

Skills Required