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Head of Technical & Commissioning

Hiring from
United Kingdom
Work type
Remote
Posted
Sep 28, 2026
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Due to continued growth, we are recruiting a Head of Technical & Commissioning. This role is in the Operations Engineering job family, supporting Costain project delivery, with a focus on high voltage site construction operations (HV commissioning), Technical assurance and compliance.

This is a high voltage (up to 400kV) technical and commissioning expert role, supporting National Grid substation construction / Cabling and OHL development works predominately. This role will be the business unit’s technical expert for HV substations, Cabling, OHL projects & commissioning activities. They will own the processes, controls, assurance, competency, etc across the whole project lifecycle – tender, design, construction, commissioning and handover.

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Responsibilities

  • Provide technical leadership across all HV projects, supporting client sales, tendering, technical delivery, supplier selection, construction, quality, commissioning and handover.
  • Supports governance gates and internal reviews for compliance with National Grid technical specifications, procedures and supplier requirements
  • Work with the design leaders to ensure all design output and scope is compliant with HV requirements including National Grid / other clients.
    • Signs off technical nominations for CDAEs, LCDAEs and Principal Designer in line with SR188
  • Responsible for development and assurance of HV technical working procedures aligned to the project, Costain, client and regulatory needs, ensure these integrate with other disciplines
    • Owns 'How to Work Safely on HV transmission projects' procedure
    • Safety focus: particularly management of hazards associated with HV sites i.e. Electricity at Work Regs 1989, impressed voltages, HSG47, GS6
  • Owns Impressed Voltage Management Procedure and signs off on Impressed Voltage Management Plans per project
    • Issues appointment/ nomination forms for Earthing Control Persons (ECPs) and Earthing Application Persons (EAPs)
  • Independently reviews commissioning plans for live projects
  • Proven track record of building strong and trusted relationships with NG Asset Operations and NG Commissioning Engineers
  • Responsible for HV technical competency, both in discipline and for others involved in delivery, such as civils on a HV site. Define training and competency needs for all roles on HV works, establish a career pathway in HV and succession plans.
    • Ensures all Costain National Grid staff have the required competencies to execute their roles (works with SHE Team to audit this)
  • Able to take the lead and resolve complex, multifaceted technical challenges in their discipline; can recognise and mange interfaces with others
    • i.e. Protection and control systems, HVDC, testing & commissioning, energisation, Return to Service (RTS) activities, HVSCC, handover
  • Expert communicator and visible leader, supporting both on project and wider initiatives, expert in risk, value engineering and optioneering, etc.
    • Expert in reporting status, including spend, risk, performance and HSEQ matters
  • Driving quality control / assurance across the HV projects operations, focus on achieving right first time and predictable delivery
    • Strong focus on continuous improvement
    • Attend/ sign off FATs with the client and or suppliers
    • Ensures lessons learned and best practice are captured across all projects
  • Collaborate with project leadership, procurement, commercial and supply chain to drive delivery
  • Have an in-depth knowledge of the HV supply chain used in the UK, in particular National Grid.
    • Familiar with OEMs HV equipment, experience of FATs and SATs

Essential

  • Over 10 years experiences in the transmission industry for Tier 1 contractors or Electricity Transmission clients

  • Strong knowledge of UK HV (up to 400kV) project / construction operations at all stages of project life cycle

  • Have detailed knowledge and experience of National Grid standards and requirements (TSs & SRs)

  • Strong leadership skills

  • Commercial / contractual awareness

  • Safety and quality focussed

  • Risk and opportunity management

  • Digital skills relevant to requirements

  • Be a UK Chartered Engineer, CEng MIET

  • Currently holds or previously held TP141/SR141 Commissioning Engineer Authorisation or Senior Authorised Person (SAP) Position

  • NG Persons Authorisation

Desirable

  • Line management and people development (depending on role) experience

  • Connections to industry bodies / institutions

  • Commercial / contractual training

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