Primary Electrical Design Engineer

JN Bentley are currently looking for a Primary Electrical Design Engineer to join our battery energy storage system (BESS) team. You will provide subject matter expertise and collaborate with an experienced and knowledgeable team of engineers and designers. You'll be joining JN Bentley in a record year for the business, that’s continuing to make strides with our ever‑growing workload across the UK with turnover rising over £400m.

• Determine the base electrical site layout for a project covering adoptable and private assets, accounting for the need to bring external services / connections to each item of plant or equipment.
• Demonstrate a sound understanding of typical engineering documents such as, but not limited to, ENATS 41-24, NGTS RES i3, NGTS 3.02.014 RES, NGTS 2.01 RES, NGTS 1, NGTS 3.01.02, BS 50522, BS7430 and a demonstrable working understanding of G81 standards and DNO’s approved equipment registers.
• Contribute to the production of specifications for major items of plant and equipment such as disconnectors, CT’s, VT’s, SA’s, PI’s and for more complex items such as circuit breakers.
• Design of equipment support structures for AIS electrical equipment from 66kV to 400kV to convey requirements to the manufacturer and review / approve manufacturers drawings.
• Produce bus bar calculations (short circuit forces / wind / ice loading) to determine the most appropriate busbar size and support requirements.
• Produce earthing layouts for sites at all voltage levels from first principles that can be verified by the earthing designer.
• Produce site wide ducting / cabling layout drawings, coordinating requirements with other engineering disciplines. The candidate should have a working knowledge of cable types and installation techniques from 11kV to 132kV and ideally up to 400kV.

• A Degree/HND/HNC in Electrical Engineering (Power Systems Electrical preferred).
• Previous experience of primary electrical design with a consultancy, contractor or utility in the Power industry.
• Experienced in the design of HV AC power systems. Have demonstrable experience in producing electrical layout drawings for substations, switch rooms, control rooms and balance of plant projects that may be privately owned or have elements adopted under G81 by the host DNO.
  • 11kV distribution networks
  • 22kV distribution networks
  • 33kV switch rooms and control rooms
  • 66kV AIS substations
  • 132kV AIS substations
• Understanding of industry HV and EHV substation installation standards and specifications.
• Ability to take the initiative, demonstrate a pro‑active approach to activities and problems.
• Understanding of cable installation types, their requirements and installation parameters i.e. flexible or rigid arrangements, minimum bending radii, etc.

• 26 days holiday plus bank holidays with the option to buy and carry over
• Flexible pension contributions up to 5% employee, 10% employer
• Life assurance of 4 x salary
• Income protection
• Private medical insurance
• Health cash plan
• Annual professional institution subscription costs