Lead Water & Wastewater Process Engineer

Inclusionmaking Kier; Preston; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Kier is seeking a Lead Process Engineer to join our Southern Water Framework, based in Falmer with both office and site responsibilities. You will provide technical leadership for water and wastewater projects from feasibility through to detailed design, implementation support and performance improvement.

You will mentor engineering teams, lead process designs, P&IDs, mass balances, and ensure robust solutions.

Qualifications

• Degree in Chemical Engineering or related field.
• Chartered Engineer or working toward chartership.
• Significant experience in water and wastewater sector and leading process engineering on complex projects.
• Knowledge of drinking water, wastewater, sludge treatment and nutrient removal.
• Experience in process modelling, hydraulic design, and optimisation.

Responsibilities

• Act as technical authority and lead process designs, calculations, and mass balances.
• Produce and review P&IDs, design reports, specs, and process narratives.
• Provide technical assurance and governance while supporting feasibility studies and business cases.
• Collaborate with multidisciplinary teams to deliver integrated engineering solutions and analyse data for optimisation.
• Mentor engineers and contribute to bids, tenders, and drive innovation.

Skills

Process modelling

Hydraulic design

Treatment optimisation

Stakeholder engagement

Team leadership

Technical leadership

Education

Chemical/Process Engineering degree

Tools

P&ID software

Job description

Kier is seeking a Lead Process Engineer to join our Southern Water Framework, based in Falmer with both office and site responsibilities. You will provide technical leadership for water and wastewater projects from feasibility through to detailed design, implementation support and performance improvement.

You will mentor engineering teams, lead process designs, P&IDs, mass balances, and ensure robust solutions.