Lead Process Engineer – Water & Wastewater Solutions

Kier Group plc.; New Gate; On-site; GBP 70,000 - 100,000; Full time

Job summary

Kier Group plc. is seeking a Lead Process Engineer to provide technical leadership for water and wastewater projects within the Southern Water Framework.

The role covers feasibility through detailed design, implementation support, and performance improvement, with a focus on robust process solutions and long-term value. You will collaborate with project managers and design teams, review P&IDs, mass balances, and design reports, and mentor engineers while supporting bids and innovation across the

Qualifications

• Degree in chemical, process, or environmental engineering or a related field.
• Chartered engineer status or working towards chartership.
• Experience in water and wastewater sector.
• Experience leading process engineering on complex infrastructure projects.
• Knowledge of drinking water and wastewater treatment and resource recovery.

Responsibilities

• Act as technical authority and lead process designs, calculations, mass balances, and performance assessments.
• Producing and reviewing process flow diagrams, P&IDs, design reports, technical specifications, and process narratives.
• Providing technical assurance and governance while supporting feasibility studies, option evaluations, and business cases.
• Collaborating with multidisciplinary teams to ensure integrated engineering solutions and analysing operational data to identify optimisation opportunities.
• Mentoring and developing engineers while contributing to bids, tenders, and promoting innovation across the business.

Skills

Chartered Engineer

Leading process engineering

Process modelling

Hydraulic design

Stakeholder engagement

Communication skills

Education

Bachelor's degree in Chemical/Process/Environmental Engineering

Job description

Kier Group plc. is seeking a Lead Process Engineer to provide technical leadership for water and wastewater projects within the Southern Water Framework.

The role covers feasibility through detailed design, implementation support, and performance improvement, with a focus on robust process solutions and long-term value. You will collaborate with project managers and design teams, review P&IDs, mass balances, and design reports, and mentor engineers while supporting bids and innovation across the