Senior Process Engineer

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

We're looking for a Lead Process Engineer to join our Southern Water Framework in office and site locations. Location: Falmer Hours: 45 Hours Per Week - some flexibility on hours available if desired, just let us know when you speak to us. We are unable to offer certificates of sponsorship to any candidates in this role. As a Lead Process Engineer, you'll provide technical leadership and specialist process engineering expertise across water and wastewater treatment projects. From feasibility and concept development through to detailed design, implementation support, and operational performance improvement, you'll serve as the technical authority for treatment processes. Working collaboratively with project managers, multidisciplinary design teams, and clients, you'll help develop and deliver robust process solutions that provide long-term value and performance while mentoring engineering teams and supporting continuous improvement.

What will you be responsible for?

As a Lead Process Engineer, you'll be working within the team, supporting them in delivering safe, compliant, sustainable, and efficient engineering solutions. Your day to day will include:

• Acting as a technical authority and leading the development of 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

What are we looking for?

• You hold a degree in Chemical Engineering, Process Engineering, Environmental Engineering, or a related discipline
• You're a Chartered Engineer or working towards chartership with an appropriate professional institution
• You have significant experience within the water and wastewater sector and a strong background in leading process engineering activities on complex infrastructure projects
• You possess strong knowledge of drinking water treatment, wastewater treatment, sludge treatment, and resource recovery processes, including nutrient removal technologies
• You have demonstrable experience in process modelling, hydraulic design, treatment optimisation, and excellent stakeholder engagement and communication skills

If you would like to explore more about the incredible growth and scale of our water business, dive into our diverse project portfolios, and uncover both current and future career opportunities, you can see more information about our water business here.

Rewards and benefits

We're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here.

Diversity and inclusion

Making Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here. As a Disability Confident employer, we will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview. TPBN1_UKTJ