Site Manager - National Grid Project

Job Title: Site Manager - National Grid Project
Location: Kings Lynn
Sector: Utilities / Power Infrastructure (Electricity Transmission)
Contract Type: Permanent or Freelance
Salary: Competitive + vehicle + benefits

Role Overview

We are seeking a highly capable and safety-focused Site Manager to lead site delivery on a National Grid electricity transmission project, covering substation or overhead line works (132kV - 400kV). The successful candidate will be responsible for managing daily site operations, ensuring work is completed safely, on time, and to the required quality standards, with full compliance to National Grid safety rules and procedures.

This role is ideal for a motivated leader with proven experience on high-voltage (HV) infrastructure projects who holds appropriate BESC, Persons, and Competent Person (CP) authorisations.

Key Responsibilities

• Manage all on-site activities in line with the National Grid Safety Rules and Construction Design & Management (CDM) Regulations.
• Oversee site execution of civils, electrical, and commissioning works for National Grid substations or overhead lines.
• Coordinate with project managers, engineers, National Grid site representatives, and subcontractors to ensure smooth execution.
• Maintain strict compliance with National Grid's TP135 and NSI safety procedures.
• Ensure daily site briefings, risk assessments, permits to work, and control documents are in place and understood by all.
• Act as the Competent Person (CP) on site, if authorised, ensuring the safety from the system process is followed rigorously.
• Liaise with National Grid Control Room and SAPs (Senior Authorised Persons) regarding isolations and energisations.
• Manage resources, site logistics, environmental controls, and site documentation.
• Monitor performance against programme, escalate delays, and ensure remedial actions.
• Lead on health, safety, quality, and environmental (HSQE) standards and reporting.
• Maintain accurate site records including diaries, RAMS, inductions, toolbox talks, NCRs, and ITPs.

Essential Qualifications & Experience

• Proven experience managing substation or overhead line works on National Grid or DNO networks.
• Hold valid National Grid Person & BESC (Basic Electrical Safety Competence) certification.
• Competent Person (CP) status under National Grid Safety Rules (TP137) or ability to obtain it rapidly.
• SMSTS (Site Management Safety Training Scheme) - CITB certified.
• EUSR registration including National Water Hygiene, SHEA Power, and/or LV/HV authorisations.
• Strong knowledge of TP137/TP135/NSI standards, CDM 2015, and HSE regulations.
• First Aid at Work (3-day course) - valid and in-date.
• CSCS Black or Gold card (Manager or Supervisor level).
• Full UK Driving Licence and willingness to travel to various sites across the region.

Desirable Attributes

• Strong leadership, communication, and coordination skills.
• Experience managing multiple subcontractor packages.
• Working knowledge of temporary works, environmental controls, and quality assurance.
• Experience on other utility frameworks (e.g. SSEN, SPEN, UKPN, or NGN) is beneficial.
• IT literate with ability to use software tools for reporting, scheduling, and communication.

What We Offer

• Opportunity to work on critical national infrastructure supporting the UK's energy transition.
• Career development within a growing tier 1 utility contractor.
• Competitive package including vehicle, pension, expenses, and training support.
• Positive safety-driven culture and collaborative delivery environment.

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