Principal Process Engineer in Bristol

Mott MacDonald Bentley have 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.

As Principal Process Engineer, 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. You will play a pivotal role in shaping the process functions throughout the lifecycle of various projects. From concept design to commissioning, you will ensure that all process aspects are meticulously considered and integrated.

The role of a Principal Process Engineer includes:

• 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.
• Preparing and reviewing designs for schemes and ensuring all designs are fit for purpose and meet current legislation and standards.
• Producing and reviewing technical specifications and schedules for procurement activities, reviewing supplier tender bids and technical submissions.
• Identifying opportunities to improve delivery processes including development and implementation of standard designs, sustainable solutions, and digital tools.
• Acting as technical checker on project documents, and undertaking technical reviews for projects across teams.
• Working closely and collaboratively with the commercial, operational and construction teams to develop efficient, practical and safe solutions throughout design stages, construction and beyond.
• Supervising and mentoring 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.
• Undertaking site reviews to ensure buildability of solutions and integration within the existing systems.

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.

Qualifications: Mott MacDonald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

Chemical Engineering or relevant Process Engineering related degree, or related field. Chartered member of 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.

Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high‑volume, seasonal and high‑peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non‑disabled people.

This is a Mott MacDonald Bentley role, employed by Mott MacDonald. Mott MacDonald Bentley is a joint venture business, established in 1999 between civil engineering contractor JN Bentley and global management consultancy, Mott MacDonald. Mott MacDonald Bentley offers fully integrated design and build services to its clients, combining the contracting expertise of JN Bentley and the design specialisms of Mott MacDonald.

About Mott MacDonald: Mott MacDonald is a global engineering, management and development consultancy. Our purpose is to improve society by considering social outcomes in everything we do, relentlessly focusing on excellence and digital innovation, transforming our clients' businesses, our communities and employee opportunities. A fundamental part of this is respecting each person's differences and striving to meet their needs. Our values: progress, respect, integrity, drive, excellence. We believe that because we care about what we do, we do things better. We know that our people are our most valuable asset, so we are dedicated to investing in them, through our comprehensive training and development schemes, exposure to the wider design and build business and endless opportunities. We are committed to creating a workplace where our people are safe, have a voice, can reach their full potential, and everyone shares in the rewards. You'll have the opportunity to contribute to projects that benefit our communities - from helping to secure water supplies for future generations to protecting homes and businesses from flood risk - our projects make a real difference.