Job Title: TP137/SR163 Site Manager Location: Mill Hill, London Rate: £500 - £550 p/day Outside IR35 Duration: 4 Months Are you an experienced Site Manager with SR163/TP137 authorisation. We are seeking a dedicated SR163 Site Manager to oversee security system installations at a National Grid substation in Mill Hill, London. The role includes managing site operatives, coordinating subcontractors, and ensuring compliance with all National Grid protocols. Description of Contract/Programme of Works: Manage and supervise site operatives during the installation of security systems. Oversee the commissioning and handover phases of the project. Supervise subcontractors and monitor project deliverables. Provide regular progress updates to the Project Manager. Ensure full compliance with Health & Safety regulations and National Grid protocols. Manage RAMS (Risk Assessment and Method Statements) and ensure strict adherence. Assist the Project Manager in maintaining project budgets and meeting key deliverables. Verify permits and authorisations for all operatives. Experience Required: Minimum of 5 years’ experience in a TP137/SR163 Site Manager role. Required Documentation/Certifications/Tooling: TP137/SR163 authorisation (essential) SMSTS/NEBOSH certification (essential) First Aid certification (essential) Temporary Works Supervisor certification (beneficial) Full 5-point PPE If you are interested, please apply with an up-to-date CV for more details. Please Note: We can only accept candidates with the Right to Work in the UK