External Site Manager – Groundworks & Underground Works
Location: Newmarket
Pay: £320–£350 per day + Overtime (DOE)
Duration: 32 months (140 weeks) – Long-term freelance opportunity
O’Neill & Brennan are recruiting for an experienced External Site Manager to oversee the groundworks and underground works package for a major tier 1 main-contractor on one of the most high-profile construction projects in the UK – the expansion of the second largest prison in the country.
This major project includes the development of new blocks, roads, workshops, and kitchens, and requires a skilled manager with a proven track record in delivering large-scale civil and infrastructure works.
Key Responsibilities:
Manage and oversee groundworks and underground works packages.
Coordinate subcontractors, ensuring works are delivered safely, on time, and to specification.
Liaise with the project team to meet programme and quality targets.
Maintain strict compliance with health & safety requirements on site.
Report progress and manage site logistics effectively.
Requirements:
SMSTS qualification (essential).
Proven experience managing groundworks/underground works on large-scale construction projects.
Strong leadership and communication skills.
Ability to pass MOJ security vetting (mandatory for site access).
Relevant industry tickets and certifications.
What’s on Offer:
Competitive day rate: £320–£350 per day (DOE) + overtime opportunities.
Long-term 32-month project – excellent stability for a freelance contract.
Opportunity to be part of a major UK infrastructure development.
If you are an experienced Site Manager with the right credentials and are looking for a challenging and rewarding project in Newmarket, we want to hear from you.
O’Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation