Mechanical Engineeer

Mechanical Design Engineer – Water Sector

Salary: £30,000 – £35,000 per annum (dependent on experience)
Locations:
Croydon, Swindon, or Exeter
Working Pattern:
Hybrid – 2-3 days per week in the office
Type:
Permanent

Advance TRS are looking for a Mechanical Design Engineer with a solid foundation in the UK regulated water industry to join a growing and well-established engineering consultancy. This role is well suited to an engineer with 3+ years’ experience working on water and wastewater infrastructure projects within a consultancy or framework environment.

You will contribute to the delivery of mechanical designs for a range of clean and wastewater projects, including work at Sewage Treatment Works, as part of a collaborative multidisciplinary team.

• Produce mechanical designs for water and wastewater projects across all design stages
• Support AMP framework delivery, from concept through to detailed design
• Collaborate with civil, electrical, and process engineers to deliver coordinated solutions
• Ensure designs comply with UK water industry standards, client specifications, and regulations
• Prepare design calculations, reports, and technical documentation

• At least 3 years’ experience in mechanical design within the UK regulated water sector
• Background in engineering consultancy or framework delivery
• Strong understanding of wastewater treatment processes and mechanical systems
• Confident working within multidisciplinary design teams
• Able to attend the Croydon, Swindon, or Exeter office 2-3 days per week

• Salary between £30,000 – £35,000 depending on experience
• Hybrid working with flexibility
• Supportive, technically focused engineering environment
• Long-term career development within the water sector
• Exposure to a wide range of regulated water projects

Applicants must have the right to work in the UK and demonstrable experience working on UK regulated water industry projects.

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.