Senior Process Design Engineer

Job description

Senior Process Design Engineer

Salary: £50,000 – £60,000

Location: Hemel Hempstead

Contract: Permanent, Full Time

Weekly Contractual Hours: 40

The Vacancy

We are seeking a Senior Process Design 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 lead technical delivery, guide multidisciplinary teams, and ensure that all process solutions meet regulatory, environmental, safety, and client requirements. You will work closely with engineers, stakeholders, regulators, and clients to ensure designs are robust, efficient, and future‑focused.

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

Please note, this role requires attendance in the office or on site at least three days per week.

About the Organisation

This organisation operates within the UK water and civil engineering sectors, delivering essential infrastructure that supports clean water, safe drainage, and resilient wastewater services for communities.

The business specialises in the systems that keep water and wastewater treatment facilities operating at peak performance. This includes power systems, process equipment, control systems, and the civil structures that support them.

As a specialist contractor across mechanical, electrical, instrumentation, control and automation disciplines, the organisation delivers services ranging from equipment and control panel manufacture through to full system integration and commissioning. Teams combine strong technical expertise with a collaborative approach to solving complex engineering challenges, always with a focus on safety, sustainability, and quality.

What We’re Looking For

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

Experience

7–10 years’ experience in process design engineering

At least five years’ experience within the water or wastewater sector

Proven delivery of complex treatment projects across design, testing, and commissioning phases

Strong working knowledge of water quality standards, environmental regulations, and industry codes

Knowledge & Skills

Strong leadership capability with a focus on mentoring, innovation, and continuous improvement

Excellent communication and stakeholder‑engagement skills across multidisciplinary teams

Highly analytical and detail‑focused, 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 ability

In‑depth understanding of water and wastewater treatment processes, technologies, and equipment

Essential Qualifications

Bachelor’s degree in Chemical Engineering, Process Engineering, Environmental Engineering, or a related discipline

Chartered Engineer (CEng) status, or actively working towards chartership

Why Apply?

This is an excellent opportunity to lead process design on technically challenging and meaningful projects, while playing a key role in delivering sustainable, high‑performing water treatment solutions that positively impact communities and the environment.

Apply today and help shape the next generation of resilient, sustainable water infrastructure.

Vacancy Reference: PR/029134

Vacancy Owner: Debbie De La Cruz | debbie.delacruz@shirleyparsons.com | (+44) 1296 611330 | (+44) 07470179145

Extra information

Status

Open

Education Level

Secondary School

Location

Hemel Hempstead

Type of Contract

Full-time jobs

Published at

28-04-2026

Profession type

Design / Fashion

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English