Project Design Engineer in Bristol

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. MMB has been named a capital delivery partner on two multi‑million‑pound ‘lots' that will see the company deliver projects across the region through to 2030 – with the potential for a five‑year extension into AMP9 thereafter. Wessex Water serves 2.9 million customers with water and sewerage services across the south west of England. Set for record investment in AMP8 – more than double that of AMP7 – MMB will bring its strong track record of innovation and direct‑delivery to drive a programme of work. We will be delivering schemes located around Bournemouth, Poole and South Dorset area.

The Project Design Engineer role combines elements of both traditional Project Management and Design Engineering, managing projects through the outline and detailed design lifecycle, supported by our multi‑disciplinary teams. Our unique work environment means you can thrive personally and professionally, accelerating your journey to chartership or developing your cross‑discipline expertise.

Do you want to:

• Be part of a unique and dynamic Design‑and‑Build environment?
• Project manage the design of water and 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 you, and the teams 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 do day to day?

• Working 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.
• Leading the design of treatment or infrastructure projects from the initial outline to detailed design, through construction, commissioning, and handover.
• Coordinating the project team including civil, electrical, mechanical and process designers, BIM modelers and technical specialists and ensuring 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.
• Building positive relationships with the clients’ project, operational and technical assurance teams and promote a “one‑team” approach.

What you’ll need:

• Accredited Degree in Engineering – Civil, Mechanical, Process and Electrical.
• Incorporated Member of 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:

• Financial wellbeing: MMB match 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 our annual bonus schemes. Payment of annual professional institution subscription costs.
• Health and wellbeing: 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 our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
• Enhanced family and carers leave: 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 2 paid additional days leave are provided for those with significant caring responsibilities.

Learning and development: 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.

Diversity, Equity & Inclusion: At Mott MacDonald Bentley we welcome applications from all sectors of the community. We are dedicated to building a diverse workplace where everyone feels included, has the opportunity to thrive, and is treated with respect. Even if you don’t meet every requirement for this role but are excited about the opportunity, we encourage you to apply.

Agile working: We are committed to providing a flexible and agile working environment that supports both our employees and the needs of the business.