Do you have 8–10 years’ experience in mechanical building services design, ideally across defence or complex commercial projects? Have you successfully led multi-disciplinary engineering project teams, managing budgets, resources, and client relationships? Are you looking to take on prestigious UK defence projects, where your work directly impacts critical national infrastructure? The Opportunity Our client, a London-based engineering team are expanding their team to meet growing demand across UK defence projects. This is an exciting opportunity to join a global consultancy that prides itself on delivering excellent work, where every project matters. As a Senior Mechanical Engineer, you’ll take ownership of medium-to-large scale projects, leading design from concept through to delivery. You’ll collaborate across multiple disciplines, drive technical excellence, and build long-term client partnerships that shape repeat success. In return, you’ll gain exposure to high-profile defence projects, professional growth through mentoring and training opportunities, and the chance to be part of an organisation that values innovation, collaboration, and integrity. Your duties and responsibilities will be: Lead delivery of mechanical building services designs from concept to construction. Act as Project Leader on medium-to-large projects, ensuring on-time, on-budget delivery. Coordinate multi-disc...