Project Design Engineer - Mechanical in Exeter

Internal applicants are welcome. Mott MacDonald Bentley is a fully integrated design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley to deliver award‑winning projects. Mott MacDonald Bentley secured its first ever framework with South West Water in November 2023. The multi‑million‑pound AMP8 contract runs for five years to 2029, with potential for another five‑year extension, and sees us bring our track record of innovative project delivery to the south‑west of England for the very first time. We’re already on site supporting the completion of an existing project and are due to land new projects in 2025, continuing to demonstrate to our client what MMB is all about.

Do you want to:

• Be part of a unique and dynamic Design‑and‑Build environment?
• Manage the design of water or wastewater projects?
• Fast‑track your Chartership and attain a clear route for career progression?
• Be a member of a multi‑disciplinary project team, supporting both your own and the team's personal and professional development?
• Have the flexibility of working from home, office and site?
• Have the opportunity to see your designs brought to life?

What does a Project Design Engineer – Mechanical do day to day?

• Work as part of a “project triangle” alongside a Site Manager and Quantity Surveyor to ensure that technical, constructability and commercial aspects of project delivery are considered throughout.
• Lead the design of treatment or infrastructure projects from the initial outline to detailed design, through construction, commissioning, and handover.
• Coordinate the project team—including civil, electrical, mechanical and process designers, BIM modelers and technical specialists—to ensure designs are completed on programme, within budget, and to the quality defined by each framework and industry specifications.
• Undertake design in own discipline and mentor less experienced colleagues where appropriate.
• Build positive relationships with the clients’ project, operational and technical assurance teams and promote a “one‑team” approach.

What you’ll need:

• Accredited Degree in Mechanical Engineering.
• Incorporated Member of an Engineering Institution.
• Outline and detailed design experience of water or wastewater projects.
• Knowledge of the Designer or Principal Designer duties under CDM 2015.

What’s in it for you:

MMB matches employee pension contributions between 4.5 % and 7 %. As an independently owned business we share the financial success of the business with all our colleagues, including an annual bonus scheme. Annual professional institution subscription costs are paid.

A minimum of 33 days holiday each year, inclusive of public holidays, with the ability to buy, sell or carry over annual leave through our flexible benefits programme. Access to Life Assurance, Private Medical Insurance, Critical Illness Insurance and Health Screening options. We are happy to talk openly about flexible working and how we can support your responsibilities beyond the workplace. Join a wide range of groups, including our Advanced Employee Networks, which support LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.

Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave plus the option for shared parental leave. Up to two paid additional days leave are provided for those with significant caring responsibilities.

MMB are committed to empowering our people to grow professionally and thrive in their careers. We offer structured development schemes that support your journey toward professional chartership. From day one, employees are fast‑tracked towards chartership reviews and benefit from mentorship, hands‑on experience, and tailored training opportunities.

Mott MacDonald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in the future.