Principal Process Engineer

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.
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.
Diversity, Equity & InclusionA Mott MacDonald Bentley we welcome applications from all sectors of the community. We are dedicated to building a diverse workplace where everyone feels included, has the opportunity to thrive, and is treated with respect.
Even if you don’t meet every requirement for this role but are excited about the opportunity, we encourage you to apply. Find out more about our approach to Diversity, Equity & Inclusion here:
We are committed to ensuring that our recruitment practices are barrier-free and as inclusive as possible. This includes making adjustments during the job application process and throughout your future career with us. Please call 01756 691572 or View email address on ca.hrm.tc discuss any such adjustments that we can make. You can read more about our Equal Opportunities Policy here:Equality, diversity and inclusion
We are committed to providing a flexible and agile working environment that supports both our employees and the needs of the business.
Mott MacDonald Bentley are recruiting for a Principal Process Engineer to join the Anglian Water @One Alliance.
Principal Process EngineerCompany: Mott MacDonald Salary: Not specified Hours: Full-time Location: Peterborough, PE3 6SB Job type: Permanent Posting date: 10 Oct 2026 Closing date: 9 Nov 2026
As part of Anglian Water’s @one Alliance, we are on a mission to create a sustainable and resilient future for water. With an ambitious £2.3 billion capital investment in AMP8, we are revolutionising infrastructure, sustainability, and digital transformation to protect the environment and support growing communities
Your PurposeAs a Principal Process Engineer, you will provide national and sector-leading expertise across the @one Alliance. Acting as the authority for the discipline, you will define standards, champion quality and innovation, and guide the development of value-driven, sustainable solutions. You’ll set the strategic direction for process engineering, support complex project needs, mentor senior engineers, and ensure the delivery of consistent, compliant, and future-focused designs that help deliver AMP8 outcomes and Anglian Water’s long-term environmental ambitions.
What You’ll Be Doing
Act as theprocess engineering authority, providing expert independent advice, arbitration, and governance across the Alliance.
Lead the development and implementation ofengineering procedures, technical standards, and quality frameworks, embedding a right-first-time approach.
Support supplier and specialist partner selection throughcompetency assessments, performance monitoring, and framework development.
Identify, develop, and continuously improvestandard productsto enhance efficiency, consistency, carbon reduction, and natural capital outcomes.
Undertakeindependent auditsof design outputs to ensure quality, compliance, consistency, and adherence to specifications, addressing gaps through training and procedural improvements.
Provide direction oncomplex or escalated design challenges, including sourcing external expertise where needed.
Champion excellence inhealth, safety, and welfare, including CDM compliance and process-specific safety (HAZOP, DSEAR) reviews and standards.
Mentor and develop Senior Process Engineers, lead discipline meetings, manage competency matrices, and champion professional pathways and qualifications.
Support early-career development through apprenticeships and graduate programmes, fostering an inclusive, supportive, and high-performing environment.
Drive a culture ofinnovation, digital adoption, safe experimentation, and continuous improvement, seeking external inspiration and embedding lessons learnt.
Collaborate across Anglian Water and industry bodies to influence and improve standards, processes, and technical approaches.
Promote sustainability, climate resilience, andcarbon-reduction prioritiesacross all process engineering practices.
About YouWe’re seeking an influential and technically authoritative Principal Process Engineer with strong leadership capability and a passion for sustainable engineering. Ideally, you will bring:
A degree in Engineering (or equivalent).
Chartered or Fellow Professional Engineer status.
Extensive experience within the water sector, particularly process engineering and capital delivery.
Significant expertise in shaping engineering procedures, managing quality, and driving consistent discipline-wide excellence.
Proven ability to lead senior engineers, mentor teams, and support long-term professional development.
Experience in a Design & Build environment is advantageous but not essential.
Strong understanding of CDM, HAZOP, DSEAR, and wider health, safety, and environmental requirements.
Excellent communication, emotional intelligence, stakeholder management, and decision-making skills.
A passion for sustainability, innovation, and delivering low-carbon, nature-positive engineering solutions.
What we can offer:
At Mott MacDonald Bentley you will be offered a competitive salary which is commensurate based on your experience.
Our core benefits include:
Pension matched by employer up to 7%
Option to purchase, sell and carry over annual leave
Life assurance / Private Medical Insurance / Critical Illness Insurance and Health Screening options
26 weeks maternity leave, enhanced paternity and adoption leave/ Shared parental leave
Payment of annual professional institution subscription costs
Gym Membership discounts UK wide
Cycle to work scheme, interest free season ticket loans and discounted dining cards also available
Proud member of the Disability Confident employer scheme
About Disability Confident Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.
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