Commissioning Manager

Venn Group; London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading company seeks a Commissioning Manager for a high-profile 400kV HV substation project in Central London. The ideal candidate will have Senior Authorised Person (SAP) status and extensive experience in high-voltage transmission systems, ensuring compliance with technical and safety standards throughout the commissioning phase.

Qualifications

• Extensive experience in commissioning 400kV high-voltage substations.
• Proven track record of managing complex substation projects.
• Familiarity with safety regulations such as CDM Regulations.

Responsibilities

• Lead commissioning activities for a 400kV HV substation.
• Develop and maintain commissioning procedures.
• Ensure HSE compliance and perform risk assessments.

Skills

Organisational

Planning

Stakeholder management

Written communication

Verbal communication

Education

Senior Authorised Person (SAP) status

In-depth understanding of NGESO Grid Code

Tools

SCADA

GIS/AIS

Control systems

Job description

Job Title: Commissioning Manager

Job reference: TPC1100

Overview:

We are seeking an experienced Commissioning Manager to lead the commissioning phase of a high-profile 400kV HV substation project in Central London. This role requires an expert in high-voltage transmission systems with a deep understanding of National Grid standards, safety protocols, and substation commissioning procedures. The successful candidate will hold valid Senior Authorised Person (SAP) status and have a demonstrable record of successful project delivery on similar infrastructure.

Key Responsibilities:

• Lead and manage the commissioning activities of the 400kV HV substation, ensuring compliance with all technical, safety, and operational standards.
• Develop, author, and maintain comprehensive commissioning procedures and documentation aligned with National Grid, NGESO, and statutory regulations.
• Coordinate with project teams, contractors, equipment suppliers, and vendors to ensure efficient and safe commissioning and system energisation.
• Schedule and manage pre-commissioning, functional testing, and system integration activities.
• Ensure HSE compliance at all stages, performing risk assessments, method statement reviews, and enforcing permit-to-work systems.
• Maintain clear communication with stakeholders, producing regular status reports, handover documentation, and compliance certifications.
• Investigate, resolve, and report technical issues, ensuring minimal delay to the commissioning schedule.
• Provide expert advice and leadership during energisation and fault resolution processes.

Required Qualifications & Experience:

• Senior Authorised Person (SAP) status for 400kV systems (valid and in-date).
• Extensive experience in commissioning 400kV high-voltage substations, ideally within National Grid projects.
• Proven track record of managing complex substation projects from pre-commissioning to energisation.
• In-depth understanding of NGESO Grid Code, TP141, CDM Regulations, and other UK regulatory frameworks.
• Familiarity with protection schemes, SCADA, transformers, GIS/AIS, and control systems.
• Strong organisational, planning, and stakeholder management skills.
• Excellent written and verbal communication abilities.

If you meet the above-mentioned criteria, please contact Tom Cullen at Venn Group or apply below.

Venn Group is an equal opportunities employment business and employment agency and welcomes applications from all candidates.