Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey. We are supporting our strategic client in the UK on their c£5bn capital investment programme to transform and modernise critical Defence infrastructure. As part of this long‑term programme, we are looking for an experienced Senior Quantity Surveyor with MEP experience to join our team. This is an excellent opportunity to play a key role in delivering high‑value, complex projects within a secure and highly regulated environment. You’ll be responsible for: Supporting programme development in the production of early budgetary estimates. Developing effective business relationships with portfolio team members in supporting the attainment of team objectives. Developing effective business relationships with stakeholders in ensuring adoption of functional. Quantity surveying best practice in the delivery of portfolios. Providing functional quantity surveying expertise and support to the wider programme delivery businesses. Undertaking reviews of contract adherence across programme delivery. Undertaking contract compliance audits. Supporting the commercial function in the evaluation of, and negotiation of tenders, contract changes and compensation events. Providing support for development of preliminary, initial and main gate business case submissions. Providing senior management with appropriate reports to support decision making. Acting as contract specific quantity surveying functional expert in all aspects of price validation and agreement, including dispute resolution. You’ll need to have: Experience working within large public-sector organisations; Defence and security sector experience is highly desirable. Extensive MEP experience (essential). Construction experience across all RIBA stages, with the ability to make informed decisions and advise project teams. Experience managing others in a technical environment, including direct engagement with clients and contractors. Proven ability to work independently, delivering outputs in accordance with relevant procedures and standards. Experience supporting and developing junior team members. Either hold existing UK security clearance or be eligible to obtain it in line with national security vetting requirements. A relevant professional ualification/degree‑level education or HND/HNC equivalent. Membership of a recognised professional body (e.g., CIOB, APM, RICS) What's on Offer: Car allowance Medical Insurance Life Insurance Income Protection Insurance Pension Scheme Family Friendly policies Our values Safety first - Going home safe and well: We champion a safe, diverse and inclusive working environment, understanding the importance of wellbeing in every team. Client focus - Deliver on our promise: We own the quality of deliverables, strategic outcomes and build long term relationships with our clients. Integrity - Always do the right thing: We influence positive outcomes within our industry, while always aligning with our compliance obligations. Create opportunity - For our people to excel: We champion a continuous improvement culture throughout all activities, inspiring our people and teams to develop. Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all the criteria, please apply as you may still be the best candidate for this role or another role within our organisation. We are also open to discussing part time, flexible, and hybrid working options if suitable with-in the role. LI-On-site