Senior Site Manager / Project Manager

Senior Site Manager / Project Manager – Super-Prime Residential | Surrey Castellum is a privately-owned, award-winning principal contractor specialising in the construction, refurbishment and fit-out of the finest private residences and luxury homes.

Founded in 2003, we deliver exceptional properties for discerning clients, architects and consultants, with a reputation built on uncompromising craftsmanship, complex structural work and the highest possible specification.

Our projects typically involve landmark new-build houses, major basement extensions, lateral conversions, heritage and listed building refurbishments, and multi-level structural transformations in some of the most exclusive locations across Surrey and the wider South East.

We operate with complete discretion and manage every project at Board Director level. We offer both traditional Main Contracting and turnkey Design & Build solutions, supported by in-house design and commercial teams. Castellum is a growing, well-funded business with a strong long-term pipeline of super-prime residential work across London and the South East.

The Role We are seeking an experienced Senior Site Manager or Project Manager to take full ownership of high-value super-prime residential projects from pre-construction through to handover and defects. You will lead the successful delivery of technically complex, high-specification schemes in Surrey, working closely with ultra-high-net-worth clients, family offices, leading architects and specialist consultants.

Key Responsibilities Full responsibility for the successful delivery of super-prime residential projects Manage the complete project lifecycle – programming, procurement, cost control, quality, health & safety and stakeholder liaison Lead and mentor site-based teams and direct labour Collaborate closely with in-house designers, quantity surveyors and the senior leadership team Report directly to a Director Maintain exceptional client relationships with UHNW individuals and their professional teams About You Proven track record delivering super-prime or high-end prime residential projects (essential) Experience with a recognised main contractor or specialist high-end residential builder Strong technical knowledge of complex basements, structural alterations, historic/listed buildings and super-prime finishes Excellent client-fac...

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