Lead 400kV Substation Mechanical Supervisor

Mint Selection | B Corp; Exeter; On-site; GBP 65,000 - 90,000; Full time

Job summary

Mint Selection are recruiting on behalf of a leading energy organisation for a Substation Mechanical Supervisor role in Exeter. You will supervise mechanical installation for the 400kV package, coordinating HV equipment installation and interfacing with electrical, civil and commissioning teams.

The role requires strong QA/QC, RAMS/ITP compliance, and hands-on experience with switchgear, transformers and GIS/AIS equipment.

Qualifications

• Proven experience as a Mechanical Supervisor, Substation Supervisor or Installation Supervisor on high-voltage substation projects.
• Minimum 5 years' relevant substation experience, with 10+ years highly desirable.
• Strong experience delivering transmission-level substations, ideally at 400kV.
• Previous experience working on National Grid (NGET) and/or SPEN sites is highly desirable.
• Hands-on background in installation and assembly of HV substation equipment.

Responsibilities

• Supervise and coordinate mechanical installation activities across the 400kV substation package.
• Oversee installation and assembly of HV substation equipment including switchgear, transformers, busbars.
• Supervise GIS/AIS equipment installation and ensure compliance with drawings and specs.
• Coordinate mechanical subcontractors and installation teams, providing technical support.
• Ensure works comply with RAMS, ITPs, manufacturer instructions and standards.
• Own QA/QC activities including inspections, punch lists and NCR close-out.
• Monitor progress, identify delays and resolve installation issues.
• Coordinate interfaces with electrical, civil and commissioning teams.
• Conduct toolbox talks, daily briefings and site inspections.
• Maintain site records and progress reports throughout construction.
• Support planning, meetings and progress reporting to the Construction/Site Manager.
• Assist with inspection, testing, commissioning and handover activities.

Skills

HV Substation

Project Supervision

Safety & RAMS

QA/QC

Team Leadership

Interface Coordination

Job description

Mint Selection are recruiting on behalf of a leading energy organisation for a Substation Mechanical Supervisor role in Exeter. You will supervise mechanical installation for the 400kV package, coordinating HV equipment installation and interfacing with electrical, civil and commissioning teams.

The role requires strong QA/QC, RAMS/ITP compliance, and hands-on experience with switchgear, transformers and GIS/AIS equipment.