Principal Process Engineer

Join to apply for the Principal Process Engineer role at Mott Mac Donald Bentley | MMB

Internal applications are welcome

Mott Mac Donald Bentley is a fully integrated design and build business combining the design expertise of Mott Mac Donald with the contracting experience of JN Bentley to deliver award‑winning projects. With an annual turnover surpassing £500 million, MMB cements its position as a leader within the industry. The sustained, robust business performance creates an ideal environment for career growth.

We have secured a new framework with Dŵr Cymru Welsh Water that will last up to eight years, this will see MMB tackle projects across the DCC region covering both clean and wastewater treatment sites, as well as below‑ground assets, reservoirs and nature‑based solutions. After securing our first framework with DCC at the beginning of AMP6, our presence in Wales has grown significantly, directly employing over 270 colleagues in the country across all roles, from frontline construction to design and management positions.

You will contribute to projects that significantly impact our environment and communities. Working primarily in the UK water market, MMB provides the feasibility, design, construction and commissioning services needed to keep water flowing and wastewater treated.

• Lead and oversee the design, planning, and execution of process engineering on projects. Lead development of process design process deliverables such as process models, mass balances, control philosophies.
• Analyse site performance and identify risks that may impact project delivery. Develop mitigation to avoid negative impacts or exploit opportunities.
• Challenge the process selection and delivery effectiveness of initial solutions to ensure we always offer our clients the best‑value solutions.
• Identify opportunities for innovation to meet whole‑life cost and net‑zero drivers.
• Prepare and review designs for schemes and ensure all designs are fit for purpose and meet current legislation and standards.
• Produce and review technical specifications and schedules for procurement activities, review supplier tender bids and technical submissions.
• Possess a broad knowledge of industry standards and legislation.
• Be able to 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 the interfaces and integration of the design with that of other disciplines and production of documentation.
• Actively seek input from other engineers, specialists, client and project team members to improve understanding and deliver fit‑for‑purpose solutions.
• Work closely and collaboratively with the commercial, operational and construction teams to develop efficient, practical and safe solutions throughout design stages, construction and beyond.
• Supervise and mentor our Graduates and Engineers assisting them to develop their knowledge and skills.
• Positively engage with the client, managing relationships and adopting a one‑team approach to supporting them in achieving their aims.
• Undertake site reviews to ensure buildability of solutions and integration within the existing systems.

• Chemical Engineering or relevant Process Engineering related degree, or related field.
• Chartered member of a professional institution (e.g. ICE, IMechE, etc.) or equivalent experience.
• Experience and understanding of water and/or wastewater unit processes and treatment plant, with experience of delivering process design for wastewater projects.
• Experience of HAZOP studies as chair or team member would be advantageous.
• Experience with water, or wastewater, non‑infrastructure or infrastructure projects.
• Experience of successfully delivering high‑quality outputs in accordance with design, quality and safety standards.
• Ability to communicate effectively with team members and stakeholders.
• Methodical approach to problem solving.
• A proactive and pragmatic…