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Mott MacDonald 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 GBP400m.

As part of the wider Civil and Electrical Design team, the role of the Primary Electrical Design Engineer is to produce electrical layouts for substations (including AIS / GIS up to 400kV), cable route layout drawings & sections, LV layouts, switch room and control room equipment layouts and site earthing layouts etc.

As Primary Electrical Design Engineer you will:

• 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.

What you can offer:

• 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, switchrooms, 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 switchrooms 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.

What we can offer:

At Mott MacDonald Bentley you will be offered a competitive salary which is commensurate based on your experience. Our core benefits include:

• Pension matched by employer up to 7%
  

• Option to purchase, sell and carry over annual leave
  

• Life assurance / Private Medical Insurance / Critical Illness Insurance and Health Screening options
  

• 26 weeks maternity leave, enhanced paternity and adoption leave/ Shared parental leave
  

• Payment of annual professional institution subscription costs
  

• Gym Membership discounts UK wide
  

• Cycle to work scheme, interest free season ticket loans and discounted dining cards also available
  

Mott MacDonald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

About Mott MacDonald

Mott MacDonald is a global engineering, management and development consultancy.

Our purpose is to improve society by considering social outcomes in everything we do, relentlessly focusing on excellence and digital innovation, transforming our clients' businesses, our communities and employee opportunities.

A fundamental part of this is respecting each person's differences and striving to meet their needs.

Our values: progress, respect, integrity, drive, excellence.

We believe that because we care about what we do, we do things better.

We know that our people are our most valuable asset, so we are dedicated to investing in them, through our comprehensive training and development schemes, exposure to the wider design and build business and endless opportunities.

We are committed to creating a workplace where our people are safe, have a voice, can reach their full potential, and everyone shares in the rewards.

You'll have the opportunity to contribute to projects that benefit our communities – from helping to secure water supplies for future generations to protecting homes and businesses from flood risk – our projects make a real difference.

Diversity, Equity & Inclusion

A Mott MacDonald Bentley we welcome applications from all sectors of the community. We are dedicated to building a diverse workplace where everyone feels included, has the opportunity to thrive, and is treated with respect.

Even if you don't meet every requirement for this role but are excited about the opportunity, we encourage you to apply. Find out more about our approach to Diversity, Equity & Inclusion here:

We are committed to ensuring that our recruitment practices are barrier–free and as inclusive as possible. This includes making adjustments during the job application process and throughout your future career with us. Please call or email to discuss any such adjustments that we can make. You can read more about our Equal Opportunities Policy here: Equality, diversity and inclusion – Mott MacDonald

Agile working

We are committed to providing a flexible and agile working environment that supports both our employees and the needs of the business.

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