Senior Process Design Engineer

Enisca Browne; Hemel Hempstead; On-site; GBP 70,000 - 100,000; Full time

Job summary

Enisca Browne is seeking a Senior Process Engineer to lead the design team, directing high‑quality process designs for a diverse water and wastewater portfolio. You will oversee technical delivery, guide multidisciplinary teams, and ensure solutions meet regulatory and client requirements.

You will mentor junior engineers, champion innovation, and promote sustainable, cost‑effective treatment solutions while being present in the office/on-site at least three times per week.

Qualifications

• Bachelor’s degree in Chemical/Process Engineering or related field is required.
• Chartered Engineer (CEng) status or active progress toward it is required.
• 7–10 years of process engineering experience with water/wastewater sector exposure.
• Strong knowledge of water quality standards and environmental regulations.

Responsibilities

• Lead design, delivery, and technical guidance across water and wastewater projects.
• Mentor junior engineers and drive innovation and continuous improvement.
• Ensure compliance with regulatory, environmental, and client requirements.

Skills

Leadership

Communication

Analytical thinking

Problem solving

Sustainability

Stakeholder engagement

Water treatment knowledge

Education

Bachelor’s degree in Chemical/Process Engineering

CEng status / Chartered Engineer

Job description

We are seeking a Senior Process Engineer to take a leading role within our Design Team, responsible for planning, directing, and delivering high‑quality process designs across a diverse portfolio of water and wastewater treatment projects.

In this position, you will oversee technical delivery, guide multidisciplinary teams, and ensure that all solutions meet rigorous regulatory, environmental, and client requirements. You will collaborate with engineers, stakeholders, regulators, and clients to ensure each project is aligned, efficient, and future‑focused.

Alongside driving technical excellence, you will mentor junior engineers, champion innovation, and promote sustainable, cost‑effective treatment solutions that meet the evolving needs of the water industry.

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

About Enisca Browne

Enisca Browne is part of Browne Group, a leading contractor in the UK water and civil engineering sectors. Together we deliver essential infrastructure that supports clean water, safe drainage and reliable services for communities.

Enisca Browne focuses on the systems that keep water and wastewater treatment sites running at their best. We work on power, process equipment, control systems and the civil structures that support them.

As the Group’s mechanical, electrical, instrumentation, control and automation specialist, we manage everything from control panel manufacturing to full system integration and commissioning. Our teams bring deep technical knowledge and a collaborative approach to solving real‑world challenges.

We offer opportunities for people with a range of skills and backgrounds, from hands‑on engineering to project support and technical delivery. Everyone plays a part in helping us deliver safe, smart and sustainable solutions.

What We’re Looking For

We’re looking for a technically strong process engineer with proven leadership experience, excellent communication skills, and a passion for delivering innovative and sustainable water treatment solutions.

Experience

• 7–10 years’ process engineering experience, with at least five years in the water or wastewater sector.
• Demonstrated success managing complex treatment projects across design, testing, and commissioning stages.
• Strong knowledge of water quality standards, environmental regulations, and industry codes.

Knowledge & Skills

• Strong leadership capabilities with a focus on continuous improvement and innovation.
• Excellent communication and stakeholder‑engagement skills across multidisciplinary teams.
• Analytical and detail‑oriented, with the ability to manage multiple priorities effectively.
• Proactive, self‑motivated, and committed to sustainability and best practice.
• Collaborative team player with sound technical judgement and problem‑solving skills.
• In‑depth understanding of water and wastewater treatment technologies, processes, and equipment.

Essential Qualifications

• Bachelor’s degree in Chemical/Process Engineering, Environmental Engineering, or a related discipline.
• Chartered Engineer (CEng) status or active progress toward it.