project design engineer

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.

We recently joined the Living Water Enterprise partnership to support Northumbrian Water’s large‑scale construction programmes, delivering a £3.6bn workload up to at least 2030.

Internal applicants are welcome.

About the Role

The Project Design Engineer role blends traditional project management and design engineering, managing projects through the outline and detailed design lifecycle with multidisciplinary teams. It offers a dynamic environment, opportunities for chartership and cross‑discipline expertise.

Do you want to:

• Be part of a unique and dynamic design‑and‑build environment?
• 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 your and the team’s professional development?
• Have the flexibility of working from home, office and site?
• See your designs brought to life?

Responsibilities

• Work as part of a project triangle with a site manager and quantity surveyor to ensure technical, constructability and commercial aspects are considered.
• Lead the design of treatment or infrastructure projects from outline to hand‑over.
• Coordinate the project team including civil, electrical, mechanical and process designers, BIM modelers and technical specialists to keep designs on programme, budget and quality standards.
• Undertake design work in your discipline and mentor less experienced colleagues where appropriate.
• Build positive relationships with client project, operational and technical assurance teams and promote a “one‑team” approach.

Qualifications

• Accredited degree in Civil, Mechanical, Process or Electrical Engineering.
• Member of an engineering institution.
• Experience in outline and detailed design of water or wastewater projects.
• Knowledge of the Designer or Principal Designer duties under CDM 2015.

Benefits

Financial wellbeing

• Matching employee pension contributions between 4.5 % and 7 %.
• Annual bonus schemes.
• Annual professional institution subscription costs paid.

Health and wellbeing

• Minimum 33 days holiday each year, inclusive of public holidays, with buy/sell/carry‑over options.
• Life assurance, private medical insurance, critical illness insurance and health screening.
• Flexible working support for personal responsibilities.
• Access to employee networks supporting LGBTQ+, gender, race, ethnicity, disability and parents/carers.

Enhanced family and carers leave

• 26 weeks paid maternity and adoption leave, 2 weeks paid paternity/partner leave and shared parental leave options.
• Up to 2 paid additional days for significant caring responsibilities.

Learning and development

• Structured development schemes toward professional chartership with mentorship, hands‑on experience and tailored training.

Mott MacDonald Bentley do not offer sponsorship for Skilled Worker visa candidates in 2024. We welcome candidates on alternative routes in the UK.

Other Information

This role is employed by Mott MacDonald but will involve working across the joint venture business, with both Mott MacDonald and JN Bentley colleagues.

About Mott MacDonald

Mott MacDonald is a global engineering, management and development consultancy that improves society through social outcomes and digital innovation.

Diversity, Equity & Inclusion

We welcome applications from all sectors of the community and aim to build a diverse and inclusive workplace.

Even if you do not meet all requirements, we encourage you to apply. Learn more about our DEI approach at

Contact for adjustments: or Equal Opportunities Policy available at Equality, diversity and inclusion - Mott MacDonald.

Agile working

We provide a flexible and agile environment to support employees and business needs.

Location(s): Durham, GB
Contract Type: Permanent
Work Pattern: Full Time
Market: Water
Discipline: Civil
Job Ref: 13593
Recruiter Contact:

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