HV Commissioning Engineer

Location: West Midlands / Site-based | Type: Full-time | Package: Competitive Salary+ Health Shield + Pension + Benefits

Actemium Birmingham , part of VINCI Energies UK & ROI are seeking an experienced HV Commissioning Engineer to support all aspects of High Voltage (HV) commissioning and associated engineering services for our clients. The role will involve working across HV projects, supporting regional engineering teams with testing, commissioning, maintenance, and fault investigation activities on a wide range of HV and LV systems.

This is a hands-on, technical role requiring strong knowledge of power systems, protection principles, and substation equipment. Training and development opportunities are available for the right candidate, including authorisations and switching.

This role is suited to an intermediate‑level BMS engineer with proven experience in BMS design, estimating, or panel solutions, looking to further develop their technical and commercial capability within a growing business unit.

This positions are offered on an opportunistic basis, with final role definition and seniority determined by the experience and strengths of the appointed individuals.

Key Responsibilities

• Support the delivery of HV projects, including testing, commissioning, and maintenance activities

• Provide technical support to regional engineering teams across HV and LV networks

• Carry out general testing of substation apparatus including transformers, circuit breakers, and protection systems

• Test and commission protection relays and associated equipment, including:

  • Overcurrent and Earth Fault relays

  • Self‑powered protective devices and TLFs

  • Differential, unit, zone, busbar (Buszone), Duobias and Solkor schemes

  • G59 / G99 protection schemes

  • Transformer protection (Buchholz, temperature, pressure relief)

  • Generator protection and changeover systems

• Undertake fault finding and investigation on a variety of HV and LV equipment

• Implement and amend grading studies and protection settings

• Test and commission:

  • Transformers (power and distribution)

  • Current and Voltage Transformers (CTs/VTs)

  • Oil, gas, vacuum and air circuit breakers

  • Ring Main Units (RMUs), busbars, HV/LV cables

  • Battery tripping units and neutral earthing resistors

• Interpret wiring diagrams, schematics, and technical drawings

• Compile test documentation, write test procedures, and produce detailed engineering and commissioning reports

• Act as Senior Authorised Person (SAP) (training can be provided if not currently authorised)

Knowledge & Experience Required

• Strong understanding of power systems and protection principles

• Proven experience in HV testing, commissioning, and protection schemes

• Good working knowledge of transformer, generator, and circuit breaker design, construction, and operation

• Previous experience operating as an HV SAP , or working towards SAP authorisation

• Experience with switching operations at 11kV and/or 33kV (desirable; training can be provided)

• Comfortable working autonomously and supporting complex HV projects

For BMS capabilities (opportunistic / intermediate level):

• Experience working as a BMS Engineer, Designer, or Estimator at an intermediate level

• Able to work with minimal supervision while collaborating closely with project and contracts teams Experience with switching operations at 11kV and/or 33kV (desirable, but training can be provided)

Qualifications

• BTEC Level 3 in Electrical Engineering or equivalent – essential

• HNC in Electrical Engineering or equivalent – desirable but not essential

• AP15 Authorisation (or equivalent) – desirable but not essential

What We Offer

• Competitive salary based on experience

• Structured training and authorisation pathway (including SAP and switching)

• Opportunities to work on a wide variety of HV projects and equipment

• Supportive engineering environment with continued professional development

About Us

Actemium Birmingham , part of VINCI Energies UK & ROI , delivers specialist engineering and technical services across industrial and infrastructure sectors. We combine strong local expertise with the resources of a global group to provide safe, reliable, and sustainable solutions for our clients. Our teams work collaboratively to deliver technically robust outcomes while maintaining the highest standards of safety and quality.