Senior Mechanical Design Engineer – Building Services Central London (Hybrid) | £40–£45ph (LTD Company) | Immediate Start Available We’re supporting a fast-growing, independent building services consultancy in central London to find a Senior Mechanical Design Engineer to join their team on a contract basis. Established over 8 years ago, this business has built a strong reputation for quality engineering across the residential, commercial, hospitality, healthcare, and education sectors — and has recently expanded into Dubai and the US. With a full project pipeline and increasing demand, they are looking for an experienced mechanical designer who can hit the ground running, working flexibly and confidently within a close-knit team. What You’ll Be Doing: Lead mechanical design packages across a wide variety of building projects, from early-stage concepts through to delivery Produce calculations, specifications, reports and tender documents to a high technical standard Attend coordination and design team meetings (virtually and in person as required) Collaborate with clients, architects, contractors and fellow engineers to drive projects forward Support junior engineers and contribute to a positive, quality-driven team culture ✅ What We’re Looking For: Proven experience in mechanical building services design, ideally within UK consultancy environments A solid understanding of UK building regulations, CIBSE guidelines, and modern sustainable design practices Comfortable managing your own workload and contributing as part of a small, growing team Strong communication skills and confidence in attending site and client meetings as needed What’s on Offer: £40–£45 per hour (LTD Company) Hybrid working model – balance of office, remote work, and site/client visits depending on project needs Immediate start available Exposure to diverse, design-led projects across the UK and internationally A supportive team environment where your input genuinely makes a difference If you’re looking for a rewarding contract role with variety, flexibility, and the opportunity to shape high-quality building services design, this is a great next step. Apply now or get in touch to learn more.