Assistant Construction Manager

Assistant Site Manager – Flagship West End Fit-Out Scheme

 

Location: West End, Central London

Contract Value: £120m+

Role: Assistant Site Manager

Sector: Complex Mixed Use / High-End Commercial (Cut & Carve / Fit-Out)

 

Your Next Step – Build Your Experience on a Landmark Scheme

We’re supporting a highly respected Tier 2 main contractor to appoint an Assistant Site Manager to support delivery of the fit-out and internal works packages on a flagship, high-value development in the West End.

 

This project is one of the business’s most significant London starts — a technically complex cut & carve redevelopment in a constrained, conservation-sensitive location. The scheme will deliver high-specification commercial interiors and amenity spaces, working alongside leading consultants and specialist supply chain partners.

 

This is an excellent opportunity for an ambitious Assistant Site Manager to gain exposure to a major, high-profile West End scheme and develop within a structured site leadership team.

 

About the Business

This contractor has an established track record delivering complex construction, refurbishment and construction management projects across London and the South East, with a reputation for quality delivery spanning nearly 50 years.

The business:

• Operates with a secure financial platform and strong cash reserves.


• Delivers projects from £10m–£120m+ across mixed-use, commercial and residential sectors.


• Specialises in cut & carve, structural retrofit and high-specification fit-out.


• Invests in developing future site leaders through mentorship and progression.

 

What the Role Involves (Fit-Out Focused)

As Assistant Site Manager, you will support the Construction Manager and Site Managers in coordinating the day-to-day delivery of fit-out works on site.

Key responsibilities include:

Trade coordination

• Assisting with the management of subcontractors across interior trades.


• Monitoring progress against programme and reporting constraints.

Site supervision

• Overseeing specific work areas or packages under senior supervision.


• Ensuring works are delivered safely, on time and to specification.

Health & safety

• Supporting site H&S implementation, inductions and toolbox talks.


• Monitoring RAMS compliance and safe systems of work.

Quality assurance

• Assisting with inspections, snagging and benchmark reviews.


• Monitoring finishes and workmanship standards.

Logistics & planning

• Supporting delivery coordination, material call-offs and site logistics.


• Helping manage access, waste streams and storage in a constrained site.

Documentation & reporting

• Maintaining site records, diaries and progress photos.


• Assisting with permits, checklists and handover documentation.

 

Who We’re Looking For

We’re seeking a driven Assistant Site Manager looking to build experience on complex commercial fit-out or refurbishment schemes.

The ideal candidate will demonstrate:

• Experience working on commercial fit-out, refurbishment or mixed-use projects.


• Exposure to high-specification interiors or CAT A / CAT B delivery (desirable).


• Strong organisational skills and attention to detail.


• Confidence coordinating trades and communicating on site.


• A proactive attitude and willingness to learn from senior leaders.


• SMSTS/SSSTS, CSCS and First Aid qualifications (or working towards).

 

Why This Opportunity?

This role offers the chance to develop your career on a landmark West End development, providing:

• Hands-on experience within a flagship cut & carve scheme.


• Mentorship from experienced Construction and Project Managers.


• Exposure to premium commercial fit-out delivery.


• Clear progression opportunities within a stable, respected contractor.

 

If you’re an ambitious Assistant Site Manager looking to step into a high-profile project environment and grow your fit-out experience, we’d be keen to hear from you.