Lead Mechanical Engineer - Water & Wastewater Systems

Mott MacDonald; Reading; Hybrid; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Pension scheme (MMB match 4.5–7%)

Annual bonus scheme

Professional subscription coverage

33 days holiday

Job summary

Mott MacDonald Bentley is seeking a Principal Mechanical Engineer to lead design and delivery across water and wastewater projects in the UK. You will mentor engineers, coordinate with multi-discipline teams, and ensure adherence to client standards throughout the project lifecycle.

This role focuses on impactful, safe, and efficient infrastructure solutions. Join a joint venture between Mott MacDonald and JN Bentley, delivering award-winning projects with substantial regional influence, and

Qualifications

• Chartered Mechanical Engineer or above.
• Degree in Mechanical Engineering, or related field.
• Strong knowledge of the water and/or wastewater industry.
• Strong knowledge of mechanical engineering principles, practices, and standards relating to process industries.
• Excellent communication, leadership, and problem-solving skills.
• Proven ability to manage multiple design tasks and meet deadlines.

Responsibilities

• Lead and oversee the design, planning, and execution of the mechanical engineering aspects of our projects.
• Provide technical expertise and guidance to our mechanical engineers and project teams.
• Mentor and develop junior engineers and team members.
• Lead the development of the mechanical design of water and wastewater infrastructure and non‑infrastructure projects through the project lifecycle (P&IDs, valve schedules, pumps, tanks, process equipment, above ground pipework, lifting & access steelwork).
• Coordinate with the wider design team of Electrical, Civil, Geotech and Process engineers.
• Ensure applications of client’s asset standards and engage in technical discussions on best practice and standards waivers.
• Collaborate with commercial, operational and construction teams to develop efficient, safe solutions throughout design stages and construction.

Skills

Leadership

Mentoring

Communication

Problem-solving

Project management

Education

Degree in Mechanical Engineering

Chartered Mechanical Engineer or equivalent

Job description

Mott MacDonald Bentley is seeking a Principal Mechanical Engineer to lead design and delivery across water and wastewater projects in the UK. You will mentor engineers, coordinate with multi-discipline teams, and ensure adherence to client standards throughout the project lifecycle.

This role focuses on impactful, safe, and efficient infrastructure solutions. Join a joint venture between Mott MacDonald and JN Bentley, delivering award-winning projects with substantial regional influence, and