Jobs in Durham, United Kingdom

Owing to continued sustainable growth, our Asset Management & Technical Services business platform is looking for a Principal Mechanical Design Engineer to join us on a permanent basis, and support on projects across England. You will take on a leading role in aspects of projects from scoping and detailed design right through to implementation, ensuring compliance with Client Specifications and current regulatory standards, with a strong focus on low‑carbon solutions.

Available office locations: Dewsbury, Warrington, Basingstoke, Portsmouth, West Thurrock, Kent.

• Oversee design aspects of projects from inception to implementation.
• Ensure compliance with client specification and current regulatory standards.
• Develop design deliverables.
• Complete checking and approval processes.
• Prepare work scope estimates/quotations.
• Assemble contract works information documents.
• Consider project health and safety, quality, and environmental matters.
• Liaise with all key stakeholders for the projects.
• Implement project change control and programme requirements.
• Take responsibility as Design Lead on allocated projects.

• Degree/HND/HNC in Mechanical Engineering or equivalent.
• Mechanical design engineering experience within municipal water/wastewater is highly desirable.
• Experience of working in a multi‑discipline design team.
• Experience of working at all design stages is highly desirable.
• Design management experience is highly desirable.
• Possess the ability to work on multiple projects consecutively.
• Full UK driving licence.

RSE is a trusted clean water technology company, developing market‑leading products and solutions for purifying drinking water, recycling wastewater, and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low‑carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.

Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in‑house and full‑service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.

Our service offering presents industry‑leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.

• Industry‑leading salary based on your experience.
• A flexible career development path, with no restrictions on where your career can go.
• Private Healthcare (Personal).
• Holiday allowance of 31 days per year, rising to 33 days per year after 2 years’ service.
• Holiday buy / sell scheme.
• Car allowance.Company pension scheme.
• Cycle to work.
• Discounted national gym membership.
• Professional fees paid.
• Employee discount platform.
• EV/Hybrid car lease scheme.
• Access to our network of health professionals including mental health champions and occupational health nurse.

If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply now.

Seniority level: Mid‑Senior level; Employment type: Full‑time; Job function: Management and Manufacturing; Industries: Manufacturing.