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Senior Process Engineer (Water)

Job details
Posting date: 24 November 2025
Salary: £50,000 to £65,000 per year
Additional salary information: £50.000 - £65,000 per annum + benefits
Hours: Full time
Closing date: 15 December 2025
Location: Warrington, Cheshire, WA1 1PP
Remote working: Hybrid - work remotely up to 2 days per week
Company: Hays Specialist Recruitment
Job type: Permanent
Job reference: 4746053_1763985601

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Summary

Your new company
We are seeking an experienced Senior Process Engineer to join a leading consultancy delivering innovative water sector projects across the UK. This is an exciting opportunity to work on a diverse portfolio, including wastewater treatment, clean water treatment, and sludge processing, while contributing to sustainable engineering solutions.
Your new role
We are seeking an experienced Senior Process Engineer to join a leading consultancy delivering innovative water sector projects across the UK. This is an exciting opportunity to work on a diverse portfolio, including wastewater treatment, clean water treatment, and sludge processing, while contributing to sustainable engineering solutions.
Key Responsibilities

  • Process Design & Development: Deliver robust process engineering designs for water and wastewater treatment facilities, including sludge handling systems.
  • Feasibility Studies: Conduct technical and organisational feasibility studies, including cost-benefit analyses and risk assessments.
  • Data Analysis & Testing: Collect and interpret operational and design data to inform process improvements.
  • Innovation & Improvement: Identify and implement enhancements to existing systems and processes.
  • Project Delivery: Support project execution within established plans, ensuring compliance with client expectations and regulatory standards.
  • Client Engagement: Assist in managing client relationships and contribute to proposals, tenders, and technical presentations.
  • Knowledge Sharing: Promote continuous learning and innovation within the team.
  • Contract & Supplier Coordination: Liaise with subcontractors and suppliers for timely, quality delivery.

What you'll need to succeed

  • Degree in Chemical, Environmental, or Process Engineering (or equivalent).
  • 6+ years of relevant experience in process engineering within the water sector.
  • Expertise in wastewater treatment, clean water treatment, and sludge processing.
  • Ability to produce and check detailed P&IDs, Control Philosophies, and equipment sizing calculations.
  • Familiarity with UK water industry standards and regulatory frameworks.
  • Strong analytical, problem-solving, and communication skills.
  • Experience supervising junior colleagues is desirable.

What you'll get in return
Excellent basic salary + market leading benefits
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

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