Process Engineer

Company: Mott MacDonald Bentley | MMB
Apply for the Process Engineer
Location: Exeter
Job Description:

Internal applications are welcome.

In November 2023, MMB secured its first ever framework with South West Water, a provider of water and wastewater services to 1.8 million customers across Cornwall, Devon, the Isles of Scilly, Dorset and Somerset. The multi‑million‑pound, five‑year contract (with a possible five‑year extension) gives opportunities to innovate and improve water and wastewater treatment efficiency.

Responsibilities

  • Prepare and review designs for schemes, ensuring they meet legislation, standards and client requirements; lead the development of process design deliverables such as process models, mass balances and control philosophies.
  • Analyse site performance and identify risks that may impact project delivery; develop mitigation strategies to avoid negative impacts or exploit opportunities.
  • Challenge process selection and delivery effectiveness of initial solutions to provide best‑value solutions for the client.
  • Identify opportunities for innovation to meet whole‑life cost and net‑zero drivers.
  • Produce and review technical specifications and schedules for procurement activities; review supplier tender bids and technical submissions.
  • Apply and contribute to design standards, maintaining good knowledge of client and industry standards.
  • Appropriately challenge client specifications and present and defend solutions to complex problems.
  • Identify opportunities to improve delivery processes, including development and implementation of standard designs, sustainable solutions and digital tools.
  • Act as technical checker on project documents and undertake technical reviews for projects across teams.
  • Manage interfaces and integration of design with other disciplines and produce documentation.
  • Seek input from other engineers, specialists, client and project team members to improve understanding and deliver fit‑for‑purpose solutions.
  • Collaborate closely with commercial, operational and construction teams to develop efficient, practical and safe solutions throughout design stages, construction and beyond.
  • Supervise and mentor graduates and engineers, assisting them to develop knowledge and skills.
  • Positively engage with the client, managing relationships and adopting a one‑team approach.
  • Undertake site reviews to ensure buildability of solutions and integration within existing systems.

Qualifications

  • Degree in Chemical Engineering or a relevant Process Engineering field.
  • Working towards Chartered or Incorporated membership of a professional institution (e.g. ICE, IMechE) or equivalent experience.
  • Experience and understanding of water and/or wastewater unit processes and treatment plant, with delivery of process design for wastewater projects.
  • Experience of HAZOP studies as chair or team member is advantageous.

Benefits

  • Financial Well‑being
    • MMB matches employee pension contributions between 4.5 % and 7 %.
    • Annual bonus schemes for all colleagues.
    • Company pays annual professional institution subscription costs.
  • Health and Well‑being
    • Minimum of 33 days holiday each year, including public holidays; flexible benefits allow buying, selling or carrying over leave.
    • Access to Life Assurance, Private Medical Insurance, Critical Illness Insurance and Health Screening options.
    • Flexible working arrangements to support personal responsibilities.
    • Access to employee groups supporting LGBTQ+, gender, race, ethnicity, disability and parental communities.
  • Enhanced Family and Carer Leave
    • 26 weeks paid maternity and adoption leave; two weeks paid paternity/partner leave; option for shared parental leave.
    • Up to two additional paid days for significant caring responsibilities.
  • Learning and Development
    • Structured development schemes supporting the path to professional chartership.
    • Fast‑tracked chartership reviews, mentorship, hands‑on experience and tailored training opportunities.

Mott MacDonald Bentley welcomes applications from all sectors of the community and is committed to providing a diverse, inclusive workplace. All qualified applicants will receive consideration for employment.

Location: Exeter, GB. Contract Type: Permanent. Work Pattern: Full Time. Market: Water.

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Posted: September 22nd, 2026