Principal Mechanical Engineer

An exciting opportunity has arisen for an experienced Principal Mechanical Engineer to join a leading design and build contractor working on major infrastructure frameworks in the UK water sector. This is a hybrid role offering flexibility and strong long-term career prospects, supporting the delivery of high-profile water and wastewater treatment projects.

Key Responsibilities

• Lead the production of efficient, cost-effective mechanical design layouts that meet specifications and are constructible and commissionable.
• Consider whole-life costs of designs, including materials, construction, labour, and cross-discipline impact.
• Apply and promote standardised design practices to ensure efficiency and competitiveness.
• Provide technical input and estimation support for proposal teams.
• Contribute to the ongoing development and improvement of departmental processes and procedures.
• Ensure designs are fully coordinated with internal and external disciplines, promoting seamless project delivery.
• Maintain thorough documentation and records throughout the project lifecycle.
• Promote customer satisfaction and continuous improvement across all design and delivery functions.
• Support the personal development of junior team members through supervision and mentoring.
• Maintain a personal development plan and contribute to maintaining a safe and environmentally conscious working environment.
• Reduce waste and promote sustainability in all design outputs.
• Ensure all designs comply with health, safety, and environmental regulations.

Essential

• Strong understanding of water and wastewater treatment processes.
• Proven experience leading or mentoring design teams within the water industry.
• HND or degree-qualified in a relevant engineering discipline (mechanical preferred).
• Chartered or working towards Chartered status with a recognised institution.
• Skilled in producing economical and practical plant layouts.
• Broad knowledge of water treatment systems, including mechanical, process, electrical, and project interfaces.
• Ability to manage multiple data inputs and present technical solutions clearly and confidently.
• Proficient in relevant engineering software and general computer literacy.
• Full UK driving licence.

Desirable

• Master’s Degree in an engineering discipline.
• Chartered Engineer status (CEng) or working towards.
• Experience working under long-term infrastructure frameworks or alliances.

Apply today or get in touch for more information.

Only those with proof of right to work in the UK should apply for this position.