High Voltage; HV) Engineer; Authorised Person – Electrical

JLL empowers you to shape a brighter way. Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

High Voltage (HV) Engineer (Authorised Person – Electrical)
Based:
On site Rolls‑Royce in Derby | UK‑wide site coverage

Hours:

40hrs Monday
-Friday
Flexibility required for outages, shutdowns, and critical works

JLL Work Dynamics partners with leading organisations across industry sectors, creating environments that achieve a more humancentric, resilient, and responsible approach to shaping a better world of work. With more than 45,000 specialists globally, the team enables clients to enhance the performance of their real estate portfolios and people to realize their ambitions for a more sustainable built environment.

At JLL, our Engineering teams support some of the most complex and safety‑critical environments in the UK. We are now seeking an experienced HV Engineer to play a key role in delivering safe, compliant, and resilient electrical operations across the Rolls‑Royce UK estate. This is not a standard electrical engineering role. It is a formally authorised, safety‑critical position with responsibility for controlling and authorising work on high‑risk electrical systems.

As an HV Engineer, you will act as the Electrical Authorised Person (HV/LV) for designated Rolls‑Royce sites, based on Derby and supporting locations across the UK. You will hold authority for the safe isolation, switching, and authorisation of High Voltage and complex Low Voltage systems, ensuring all works are delivered in full compliance with the Safe System of Work, Electrical Safety Rules, and statutory requirements.

Alongside this authority role, you will remain technically engaged—supporting projects, maintenance, fault diagnosis, inspections, and asset reliability across a highly critical environment.

• Act as the Electrical Authorised Person (HV/LV) within your defined area of appointment
• Control and authorise work on HV, LV, and complex LV electrical systems
• Prepare, review, and check HV switching programmes and safety documentation
• Undertake isolations, proving dead, restoration of supplies, and transfer of control
• Issue, control, suspend, and cancel permits to work and safety documents
• Verify the competence of the Person in Charge (PiC) and monitor works on site, stopping work immediately if safety is compromised
• Provide training and mentorship to new and existing competent persons
• Review and approve RAMS for high‑risk electrical activities
• Act as Duty Authorised Person when appointed, maintaining system oversight, and manage access to high‑risk infrastructure
• Provide technical leadership during outages, shutdowns, critical works, and project works
• Diagnose complex faults and support planned and reactive maintenance activities
• Ensure inspections, testing, and remedial actions meet statutory and client standards
• Maintain accurate records, schematics, and asset documentation
• Promote a strong safety culture, including stop‑work authority where required

• Essential Electrical trade qualification or engineering qualification (UK‑recognised or equivalent)
• Proven experience working with High Voltage and complex LV electrical systems
• Currently appointed as an Electrical Authorised Person (HV/LV) or…