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 partnered with a leading organisation within the energy sector to recruit an experienced Substation Mechanical Supervisor for a project based in Exeter.

The role will be focused specifically on the 400kV substation package, taking responsibility for supervising the mechanical installation of high-voltage substation equipment and associated infrastructure.

This is an excellent opportunity to join a major energy infrastructure project on a long-term contract, working within an experienced project delivery team through the construction, installation and commissioning phases.

Key Responsibilities

• Supervise and coordinate mechanical installation activities across the 400kV substation package, ensuring works are completed safely, efficiently and in accordance with the project programme.
• Oversee the installation and assembly of HV substation equipment including switchgear, transformers, busbars, support structures and associated mechanical infrastructure.
• Supervise the mechanical installation of GIS/AIS equipment and ensure all works are completed in accordance with manufacturer requirements, approved drawings and project specifications.
• Coordinate mechanical subcontractors and installation teams, providing technical support and resolving site issues as required.
• Ensure installation works comply with approved drawings, specifications, ITPs, RAMS, manufacturer instructions and relevant transmission standards.
• Take ownership of mechanical QA/QC activities including inspections, quality walk-downs, ITP compliance, punch listing, snagging and management of non-conformances through to close-out.
• Monitor workmanship and construction progress, identifying potential delays, installation issues, design clashes or quality concerns and implementing corrective actions where required.
• Coordinate closely with electrical, civil and commissioning teams to ensure interfaces between packages are effectively managed.
• Conduct toolbox talks, daily briefings and site inspections while promoting a strong health, safety, environmental and quality culture.
• Ensure works are carried out in accordance with RAMS, permit-to-work systems, project HSEQ procedures and applicable National Grid requirements.
• Maintain accurate site records, inspection documentation, progress reports and quality documentation throughout construction.
• Support short‑term planning, contractor coordination meetings, programme updates and reporting to the Construction/Site Manager.
• Assist with inspection, testing, commissioning and handover activities as the project progresses towards energisation.

Experience Required

• 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 the installation and assembly of HV substation equipment including switchgear, transformers and associated mechanical infrastructure.
• Previous experience with GE / GE Vernova equipment would be highly advantageous.
• Strong understanding of GIS/AIS equipment installation, mechanical assembly, alignment, inspection and quality requirements.
• Good QA/QC knowledge including ITPs, inspections, NCRs, snagging, quality records and handover documentation.
• Strong understanding of RAMS, permit-to-work systems and safe systems of work within high-voltage environments.
• NGET Competent Person / NSI 6 & NSI 8 certification is desirable but not essential.
• Excellent leadership, communication and organisational skills with the ability to effectively manage installation teams and subcontractors.