Lead Mechanical Design Engineer

WGM Engineering is one of Scotland’s leading engineering solutions providers. Since 1986, we’ve delivered high‑quality Mechanical, Electrical, and Civil Engineering services under one roof, offering clients a fully integrated, turnkey approach. Our commitment to responsible operations, sustainability, and innovation drives everything we do.

We are now looking for an experienced Lead Mechanical Design Engineer to join our growing design function. This is a key role responsible for managing mechanical design delivery across a range of multi‑disciplinary Water Industry projects, from early scoping through detailed design and into construction support.

As Lead Mechanical Designer, you will oversee the production of high‑quality engineering design packages, ensuring compliance, efficiency, and technical excellence. You will champion DFMA principles, lead a team of designers, and collaborate with internal and external stakeholders to deliver industry‑leading solutions.

• Lead and manage a team of Mechanical Designers to deliver project‑specific design outputs.
• Ensure all design work complies with WGM QA policies, procedures, and client specifications.
• Drive the adoption of DFMA (Design for Manufacture & Assembly) and modular assembly methodologies to improve quality, reduce onsite time, and streamline fabrication.
• Conduct site surveys and gather relevant technical data.
• Check and approve design packages produced by the team.
• Present designs at internal reviews and external meetings including HAZOPs and Technical Authority reviews.
• Support Continuous Professional Development, keeping abreast of new technologies and industry advancements.
• Identify improvements that enhance working methods, design quality, or project efficiency.
• Promote sustainable design approaches, including waste reduction, reuse, and refurbishment.
• Ensure all designs comply with relevant British Standards, WiMES guidance, and regulations including CDM, DSEAR, and Confined Space requirements.

• 3–5 years’ experience in mechanical design, ideally within engineering, construction, or the Water Industry.
• Strong knowledge and practical experience of DFMA and modular assembly.
• The ability to embed DFMA and standardisation across project life cycles.
• Excellent communication and leadership skills, with experience coordinating and mentoring design teams.
• A collaborative approach and ability to work effectively with engineering, manufacturing, and construction teams.

• Competitive salary
• 32 days annual leave, rising to 36 with service
• Enhanced pension scheme
• Life assurance
• Salary sacrifice schemes (EV scheme, cycle to work, annual leave purchase)
• Hybrid & remote working options
• Enhanced maternity & paternity
• Company sick pay (after qualifying period)
• 9‑day fortnight
• Employee discount programme

Based in Scotland, we are an engineering business providing mechanical, electrical and civil engineering services to clients across the UK. We are one of the UK’s leading engineering solution providers, recognised for outstanding client service, quality solutions and our commitment to health and safety. From our HQ in Glasgow, we deliver sustainable solutions to the water and renewables sectors. Supplementary services include project management, technical engineering, design, and off‑site modular build.

We have partnered with innovative technology providers in the renewables sector, including solar PV, hydroelectric and heat networks. We are a progressive, people‑orientated business driven by our values to deliver workable and cost‑effective solutions in the communities we work. When you work for WGM you join a dynamic team and have the opportunity to be part of our ambitious plans for future growth.

WGM is part of the RSK Group, a leading integrated environmental, engineering, and technical services business providing dynamic, multidisciplinary services to a wide range of sectors. RSK was founded in 1989 and has grown considerably since then.

At RSK, we operate as a group of businesses that work together seamlessly, aiming for growth through diversification. Our strategy helps us build a strong and resilient business,…