Mechanical Design Engineer

We’re looking for a Mechanical Design Engineer to play a key role in designing, developing, and optimising mechanical systems for water and wastewater treatment projects.

As part of our Design Team, you’ll work across the full project lifecycle—from concept through to detailed design and commissioning—ensuring mechanical solutions are robust, efficient, and aligned with technical and regulatory standards. You’ll collaborate with Civil, EICA, and Process engineers to deliver integrated design solutions, produce accurate documentation and specifications, and support projects through procurement, installation, and final commissioning. Your work will directly contribute to the reliability, sustainability, and performance of essential water treatment infrastructure.

Please note that this role requires you to be on site or in the office 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 someone who combines strong technical capability with a proactive attitude and the ability to thrive in a multidisciplinary environment. The ideal candidate will bring creativity, precision, and a passion for engineering excellence to every stage of the design process.

Experience

• 3–5 years’ mechanical design engineering experience, ideally within water or wastewater.
• Background in designing pumps, piping systems, valves, filtration systems, and related infrastructure.
• Familiarity with mechanical standards, regulations, and industry codes.
• Experience with procurement, installation, and commissioning processes.
• Competence in producing technical documentation, including mechanical specifications, P&IDs, and schedules.

Knowledge & Skills

• Strong analytical and problem‑solving abilities with meticulous attention to detail.
• Clear communicator and effective team collaborator across engineering disciplines.
• Highly organised, able to manage multiple tasks to meet deadlines.
• Proactive, innovative approach to resolving design challenges.
• Willingness to embrace new technologies and evolving engineering methodologies.
• Proficiency with 3D modelling and CAD tools (AutoCAD, Revit, SolidWorks, or similar).
• Solid understanding of mechanical systems used in water and wastewater treatment.

Essential Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.

If you’re excited by the opportunity to deliver meaningful engineering solutions that support vital water infrastructure—while working in a collaborative, progressive team—we’d love to hear from you.

Apply today and help engineer systems that shape a more sustainable future.