Mechanical Engineer

Internal applicants are welcome.

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 multi-disciplinary teams.

• 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, ensuring designs are completed on programme, within budget, and to the quality defined by each framework and industry specifications.
• Undertaking design in own discipline and mentoring less experienced colleagues where appropriate.
• Building positive relationships with the clients’ project, operational and technical assurance teams and promoting a “one‑team” approach.

• Accredited Degree in Engineering – Civil, Mechanical, Process or Electrical.
• 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.

• MMB match employee pension contributions between 4.5% and 7%.
• Annual bonus schemes as part of the shared financial success of the business.
• Payment of annual professional institution subscription costs.

• Minimum of 33 days holiday each year, inclusive of public holidays, with options to buy, sell, or carry over leave through a flexible benefits programme.
• Life Assurance, Private Medical Insurance, Critical Illness Insurance, and health screening options.
• Flexible working arrangements to support responsibilities beyond the workplace.
• Access to a wide range of employee groups, including Advanced Employee Networks supporting LGBTQ+, gender, race, ethnicity, disability, and parents/carers communities.

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

• Structured development schemes that support the journey toward professional chartership, including fast‑tracking chartership reviews, mentorship, hands‑on experience, and tailored training opportunities.

Mott Mac Donald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. We continue to welcome applications from candidates eligible for alternative immigration routes that do not require sponsorship.

We are committed to ensuring our recruitment practices are barrier‑free and inclusive. Adjustments are available during the application process and throughout your career with us.