Principal Process Engineer
Manchester, Greater Manchester, M9, England, UK
Listed on 2026-10-06
-
Engineering
Water Engineer, Environmental Engineer, Wastewater Treatment
What if your next role gave you the opportunity to take technical ownership of major water and wastewater process designs
, while working closely with water companies across the UK and helping shape the next generation of treatment solutions?
I'm working with a growing engineering design consultancy with an expanding workload across the water, utilities and rail sectors
, who are looking to appoint an experienced Principal Process Engineer
.
This is a senior technical position for a Chartered Engineer with significant experience working on projects for regulated water companies.
You'll combine hands-on process design with technical leadership, design assurance and mentoring
, working on a growing portfolio of wastewater treatment projects across the UK.
- Lead the development of efficient and practical process design solutions
- Take technical ownership of process engineering deliverables across projects
- Review and approve design reports, specifications, calculations and design risk assessments
- Check and approve mass balances, process sizing, hydraulic calculations and process flow diagrams
- Review control philosophies and commissioning strategies
- Provide technical guidance across multidisciplinary project teams
- Support tenders, technical proposals and project planning
- Estimate design hours and contribute to project programmes
- Direct, mentor and develop engineers and graduates
- Lead and participate in HAZOP, ALM, KM and other technical review meetings
- Ensure designs comply with relevant technical standards, professional guidance and water company requirements
- Review design changes and ensure they are appropriately implemented and recorded
- Contribute to the continued development of process engineering standards and best practice
Your initial project will focus on optioneering sewage treatment works capacity increases
, before moving onto a wider portfolio of projects including:
- Outline designs for sewage treatment works upgrades
- Capacity improvement and treatment optimisation
- Projects for a range of regulated water companies across the UK
- A growing pipeline of water and wastewater design work
- 10+ years' process design experience within the regulated water industry
- Significant experience working on projects for regulated water companies
- Extensive knowledge of wastewater treatment processes and plant design
- Strong experience delivering process design for water and/or wastewater projects
- Degree, HND or equivalent practical experience
- Strong IT and digital capability
- Chartered Engineer status
- Excellent technical communication and stakeholder management skills
- Experience across both clean water and wastewater
- Experience leading or participating in HAZOP studies
, ideally as Chair - Experience supporting tenders and technical proposals
- Full UK driving licence and access to a vehicle
- £65,000–£80,000, depending on experience and working arrangements
- Join a growing consultancy with an expanding water and utilities workload
- Work on projects for multiple regulated water companies across the UK
- Take genuine technical ownership rather than simply delivering individual design packages
- Opportunity to mentor and develop engineers within a growing team
- Hybrid working can be agreed, with up to 3 days working from home for the right candidate
- Occasional site visits only, with travel expenses covered
- Full-time permanent position with a strong focus on training and professional development
- Employee benefits and workplace pension
- Friendly, focused and collaborative engineering environment
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