HV Mechanical Fitter - Transmission

OCU Group; Stafford; On-site; GBP 40,000 - 65,000; Full time

Job summary

OCU Group is seeking an HV Mechanical Fitter for transmission projects in Stafford. You will be hands-on installing and maintaining high-voltage equipment in live substation environments, supporting critical National Grid infrastructure.

Role requires reading drawings, assembling HV components, and adhering to RAMS and safety procedures on site. Competitive remuneration and clear career progression within a growing team.

Qualifications

• Proven HV fitter experience in substations or transmission environments.
• Ability to read engineering drawings and single line diagrams.
• Knowledge of high-risk site safety practices and RAMS processes.

Responsibilities

• Install and maintain HV plant including switchgear, breakers, transformers, and busbars.
• Read and interpret engineering drawings and single-line diagrams.
• Assemble, align and fit mechanical HV equipment on site.
• Support testing, commissioning and energisation activities.
• Follow RAMS, permits, and National Grid safety procedures.
• Identify, report and help resolve defects or non-conformances.
• Maintain tools, plant and working areas to required standards.
• Collaborate with supervisors, engineers and other trades to deliver safe installations.

Skills

HV Fitter

Substations experience

Read drawings

Safety compliance

CSCS/CCNSG

Tools

CSCS Card

CCNSG Card

Isolation procedures

Job description

HV Mechanical Fitter - Transmission

Department: Regulated Power

Employment Type: Permanent - Full Time

Location: Stafford

Reporting To: Shaun Carrack

Description

Location: UK Wide | Contract Type: Permanent / Contract | Working Pattern: Full-Time | Site Based

Pay / Benefits: Remuneration for this role is benchmarked competitively within our sector.

The Opportunity

OCU is delivering critical National Grid infrastructure projects across the UK. As an HV Fitter, you’ll be hands‑on installing and maintaining high-volt equipment within live substation environments, directly supporting works that keep the network running safely and reliably. If you want to work on complex plant, gain exposure to major transmission projects, and be part of a team that takes safety and quality seriously, this is it.

What You'll Do

• Install and maintain HV plant including switchgear, circuit breakers, transformers and busbar systems
• Read and interpret engineering drawings and single line diagrams
• Assemble, align and fit mechanical HV equipment on site
• Support testing, commissioning and energisation activities
• Follow RAMS, permit systems and National Grid safety procedures at all times
• Identify, report and help resolve defects or non-conformances
• Maintain tools, plant and working areas to required standards
• Collaborate with supervisors, engineers and other trades to deliver safe installation

What You'll Bring

Essential

• Proven experience as an HV Fitter within substations or transmission environments
• Strong understanding of HV plant installation and maintenance
• Ability to read and interpret technical drawings and specifications
• Knowledge of site safety practices within high-risk environments
• CSCS or CCNSG card
• Strong commitment to health and safety

Desirable

• Experience working on National Grid projects
• Knowledge of National Grid Safety Rules
• IPAF, Slinger/Signaller or PASMA certification
• Experience within AIS or GIS substations
• Bonus if you have experience supporting commissioning or outage works

What We Offer

At OCU, we believe that meaningful work should come with meaningful support. That's the principle behind Careers with Purpose, our commitment to ensuring every person at OCU feels supported, developed, and valued, not just in their role today, but throughout their career with us.

Alongside the opportunity to work on some of the UK's most significant infrastructure projects, we offer a benefits package that we are continuing to develop as we grow, and the kind of career acceleration that only comes from being inside a business moving at this pace.

As a rapidly growing organisation, there are genuine opportunities to progress, broaden your experience, and build a long-term career within OCU Group.