Process Design Engineer

Browne Group; Hemel Hempstead; Hybrid; GBP 42,000 - 62,000; Full time

Job summary

Browne Group in the United Kingdom is seeking a Process Design Engineer to join our Design Team and help shape treatment solutions for vital water and wastewater infrastructure.

You’ll contribute to planning, development and delivery of process designs across diverse projects, create key documents (flow diagrams, mass balances, P&IDs, control philosophies), and participate in HAZOP studies and project reviews. The role requires being in the office or on site at least three days a week.

Qualifications

• 3–5 years of experience in process engineering, ideally within the water or wastewater sector.
• Experience working on treatment plants or similar process-driven infrastructure.
• Understanding of water quality standards and environmental regulations.

Responsibilities

• Contribute to the planning, development and delivery of process designs across diverse technical projects.
• Create key process documents such as flow diagrams, mass balances, P&IDs, and process control philosophies.
• Participate in HAZOP studies and project reviews; support design optimisation and implementation.

Skills

Analytical skills

Communication

Detail-oriented

Proactive

Water/wastewater treatment

Education

Bachelor's degree in Chemical/Process Engineering

Job description

We're looking for a Process Design Engineer to join our Design Team and play a key role in shaping the treatment solutions that support vital water and wastewater infrastructure.

In this role, you’ll contribute to the planning, development, and delivery of process designs across a variety of technical projects, working closely with multidisciplinary teams to ensure designs are effective, efficient, and compliant with regulatory and industry standards. You’ll support the creation of key process documentation—such as flow diagrams, mass balances, P&IDs, and process control philosophies—while helping to drive innovation, sustainability, and operational excellence.

From design optimisation to participation in HAZOP studies and project reviews, you’ll be central to delivering treatment solutions that perform reliably and sustainably for our clients.

Please note that the role requires you to be in the office or on site at least 3 times a week.

About Browne (Non - Infrastructure)

At Browne, we are engineering with purpose.

We are a leading UK contractor delivering specialist engineering, construction and maintenance services across the water, wastewater and civil engineering sectors. From building pipelines and upgrading pumping stations to delivering complex mechanical, electrical, instrumentation, control and automation (MEICA) solutions, we help provide cleaner water, stronger infrastructure and more reliable services for communities across the UK.

Our expertise spans the full lifecycle of water and wastewater assets, combining civil engineering, process engineering, power systems, control systems, system integration and long‑term maintenance. We work closely with our clients to deliver safe, sustainable and innovative solutions that improve operational performance and support future resilience.

We offer a wide range of career opportunities both on site and behind the scenes. Whether your skills are in engineering, project delivery, safety, sustainability, commercial, planning, automation or business support, there's a place for you at Browne. We value different perspectives and experiences, and we're proud to be a Silver Award Investors in Diversity accredited employer.

Our teams use smart technology, technical expertise and a hands‑on approach to deliver high‑quality outcomes safely and efficiently. From construction and infrastructure projects to advanced control systems and commissioning, we support our clients in solving complex challenges and maintaining essential services.

Browne is part of Renew Holdings plc, a UK-based group of specialist engineering businesses.

What We’re Looking For

We’re seeking a practical, detail‑focused engineer with strong analytical skills and a passion for delivering effective treatment processes. You’ll thrive in a collaborative team environment, be confident contributing to technical discussions, and bring both curiosity and a proactive mindset to every challenge.

Experience

• 3–5 years of experience in process engineering, ideally within the water or wastewater sector.
• Experience working on treatment plants or similar process‑driven infrastructure.
• Understanding of water quality standards and environmental regulations.

Knowledge & Skills

• Strong analytical and problem‑solving skills with a practical, solution‑driven approach.
• Effective communicator able to collaborate across multidisciplinary teams.
• Well‑organised and detail‑oriented, capable of managing tasks independently.
• Proactive, eager to learn, and comfortable working in both technical and project‑focused environments.
• Good understanding of water and wastewater treatment processes and technologies.
• Familiarity with relevant regulatory and industry standards.

Essential Qualifications

• Bachelor’s degree in Chemical/Process Engineering, Environmental Engineering, or related field.