Lead Water & Wastewater Process Engineer

Alexander Associates Technical Recruitment; Manchester; On-site; GBP 90,000 - 120,000; Full time

Job summary

Alexander Associates Technical Recruitment is seeking an experienced Principal Process Engineer to provide technical leadership across water and wastewater projects, delivering robust, compliant process designs with a delivery-focused mindset.

This senior role requires Chartered or near-Chartered status, 10+ years in treatment processes, and a pragmatic approach to project execution. You will mentor engineers and drive technically robust solutions for complex infrastructure.

Qualifications

• Significant process design experience in the regulated water industry (10+ years preferred).
• Extensive knowledge of water and/or wastewater treatment processes.
• Proven track record delivering process engineering solutions for major projects.
• Chartered Engineer status or clear progression toward Chartered status.
• Full UK driving licence and access to a vehicle.

Responsibilities

• Lead development of practical, efficient process solutions from concept to delivery.
• Own and supervise process design activities across projects.
• Review and approve technical deliverables (reports, specs, risk assessments).
• Check mass balances, process calculations, plant sizing and PFDs.
• Review control philosophies and support commissioning strategies.
• Provide technical input into planning, design development and tenders.
• Mentor and develop engineers and graduates.
• Provide guidance to multidisciplinary teams.
• Ensure designs meet industry standards and client requirements.
• Manage design changes and ensure proper documentation.
• Work within established procedures and enable design programmes.
• Lead technical reviews and risk assessments (HAZOP etc.).
• Keep up-to-date with technical standards and developments.
• Contribute to continuous improvement of methods and best practices.

Skills

Technical leadership

Process design

HAZOP

Mentoring

Team leadership

Regulatory compliance

Project delivery

Education

Engineering degree or HND

Job description

Alexander Associates Technical Recruitment is seeking an experienced Principal Process Engineer to provide technical leadership across water and wastewater projects, delivering robust, compliant process designs with a delivery-focused mindset.

This senior role requires Chartered or near-Chartered status, 10+ years in treatment processes, and a pragmatic approach to project execution. You will mentor engineers and drive technically robust solutions for complex infrastructure.