Principal / Associate Process Engineer in Newtown

Role Overview

Lead process engineering input across feasibility, concept, preliminary, and detailed design for water treatment designs.

Develop and review process designs, including block flow diagrams, P&IDs, mass balances, and equipment sizing.

Analyse operational data to identify optimisation opportunities and improve treatment performance.

Perform process modelling and simulation to support design and operational enhancements.

Prepare high‑quality technical reports, proposals, and client presentations.

Check process deliverables for accuracy and compliance.

Engage with clients and stakeholders to ensure successful project delivery.

Mentor and support junior engineers, fostering technical growth and team development.

Collaborate with resource coordinators to manage project resources and contribute to recruitment and training initiatives.

Support business development by providing technical input to proposals, tenders, and client strategies.

Candidate Specification

We are looking for an individual, keen to make a difference in the sector, take wide responsibilities and progress professionally.

• Degree in Chemical Engineering or related engineering field
• Chartered Status (CEng) with a recognised Professional Institution
• Proven experience in municipal water treatment
• Strong understanding of conventional and emerging treatment technologies
• Significant experience in developing and delivering feasibility, outline and detailed process designs
• Demonstrated ability to conduct root‑cause analysis and optimise treatment processes
• Excellent technical report writing skills using concise English
• Excellent communication skills for client interaction and team collaboration
• Skilled in reviewing technical deliverables, calculations, and reports
• Commitment to continuous professional development and staying abreast of emerging technologies
• Willingness to contribute to technical knowledge networks and promote best practice
• Equality, Diversity and Inclusion

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all.

We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

Accessibility

We want you to perform your best at every stage in the recruitment process.

If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable. adjustments@mottmac. com and we will talk to you about how we can support you.

Benefits

• Private medical insurance for all UK colleagues
• Health cash plan
• Access to Peppy, providing free support from menopause experts for all UK colleagues
• Wellbeing program (including access for you and your family)
• Flex salary to opt into a wide range of health benefits, many of which can be extended to your family
• Employer pension contribution match (4.5% to 7%)
• Life assurance up to 4× basic salary, optional increase to 6× salary
• Income protection scheme (financial benefit, absence and return to work support due to long‑term illness or injury)
• Flexible benefits: increased life assurance cover, critical illness insurance, payroll saving and will writing
• Annual bonus schemes
• Legal and Immigration

UK Immigration: Mott Mac Donald is a global consulting firm; this role is based in the UK. Eligibility to work in the UK is required.

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