Mechanical Design Engineer

Enisca Ltd; Hallam Fields; On-site; GBP 40,000 - 65,000; Full time

Job summary

Enisca Browne, part of Browne Group, seeks a Mechanical Design Engineer to design, develop and optimise mechanical systems for water and wastewater projects. You will work across the full lifecycle—from concept through detailed design to commissioning—ensuring robust, regulation-aligned solutions.

You must be on site or in the office at least three times a week. Collaboration with Civil, EICA and Process engineers will be essential to deliver integrated designs, documentation, and

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Experience in mechanical design for water/wastewater projects preferred.
• Familiarity with mechanical standards, regulations and codes.

Responsibilities

• Design, develop and optimize mechanical systems for water and wastewater treatment projects.
• Contribute across full project lifecycle from concept to commissioning.
• Produce and review mechanical specifications, P&IDs and schedules; support procurement, installation and commissioning.

Skills

3-5 years experience

Pumps

Piping systems

Valves

Filtration systems

Regulations & standards

Procurement

Installation & commissioning

Documentation

3D CAD modelling

AutoCAD

Revit

SolidWorks

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD

Revit

SolidWorks

Job description

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.

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. 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.