Location: Hemel Hempstead, London
Contract: Freelance / Contract (June - October)
Rate: Negotiable (Outside IR35)
Role Overview
An experienced Assistant Site Manager is required to support the delivery of a self-storage warehouse development in Hemel Hempstead. This role will involve assisting the Site Manager in overseeing day-to-day site operations on a steel frame construction project, ensuring works are completed safely, on programme, and to a high standard.
Key Responsibilities
Support the Site Manager in managing all on-site construction activities
Supervise and coordinate subcontractors, with a strong focus on steel frame erection and associated trades
Monitor progress against programme and assist in driving works to meet key milestones
Enforce strict health & safety standards in line with CDM regulations
Carry out site inductions, toolbox talks, and daily briefings
Ensure quality control through regular inspections and snagging processes
Assist with managing site documentation, including RAMS, permits to work, and daily reports
Coordinate site logistics, deliveries, and material storage
Maintain clear communication with subcontractors, suppliers, and the wider project team
Requirements
Proven experience as an Assistant Site Manager or Site Supervisor within construction
Strong background working on steel frame / structural steel projects (essential)
Experience on industrial, warehouse, or self-storage builds highly desirable
Solid understanding of construction sequencing, site logistics, and programme management
SMSTS or SSSTS certification
Valid CSCS card
First Aid qualification (preferred)
Key Skills & Attributes
Strong organisational and coordination skills
Proactive, hands-on approach to site management
High standards of health & safety awareness
Ability to manage multiple trades and priorities simultaneously
Good communication and problem-solving abilities
Contract Details
June 15th start date
Project running through to October
Competitive, negotiable day rate
Outside IR35
Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement.
To find out more about Progressive please visit
Progressive Recruitment, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales
Salary description
£225.00 - £250.00 per day