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EHV Design Assurance Engineer - Multiple Transmission Disciplines

National Grid
Variable/Flexible (hybrid working)
£49,000 - £62,000 - dependent of experience
Closing date
30 Nov 2023

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EHV Design Assurance Engineer - Multiple Transmission Disciplines Location - Variable/Flexible (hybrid working) 

Joining us as an EHV Design Assurance Engineer you will be responsible for the assurance of design of Critical National Infrastructure projects across the whole lifecycle from development through to delivery. As a key signatory for system design specifications you will lead and drive 

the design assurance on all aspects of network schemes between 400kV and 33kV, with emphasis on transmission level voltages from 132kV, working at the heart of National Grid Electricity Transmission’s Asset Management and Engineering department in Asset Operations to meet the aspirations of Net Zero and the delivery of the Great Grid Upgrade. 

You’ll be responsible for the technical design assurance of new and replacement transmission infrastructure equipment for a specific high voltage discipline, we are looking for the following areas: 

Substation HV Plant Design Assurance (e.g. Transformers, Circuit Breakers and associated Switchgear or plant design and construction within the Substation) HV Overhead Line & Cables Design Assurance (e.g. All aspects of overhead line and underground cable design and construction) 

Protection & Control / FACTS Design Assurance (e.g. Protection & Control Design, calculating & reviewing relay settings, Cyber Security considerations, FACTs or HVDC eqpt and installation & Commissioning technical support) 

What you'll be getting up to 

As a Design Assurance Engineer, you’ll be responsible for resolving complex issues, agreeing technical variations, advising and engaging with Project Managers, Operations Teams, Consultants and Development Teams. Essentially you will ensure the project is delivered to specification in accordance with National Grid processes and procedures that deliver the business’ regulatory, stakeholder and customer commitments. 

As we progress towards Net Zero the need for major new infrastructure will increase across the Great Grid Upgrade, you’ll get to see the results of your work and play your part in helping the world tackle climate change. 

Engineering technical advice and support to project teams 

Support to development teams on project options analysis 

Technical tender review as a client 

Carry out Design Assurance activities by reviewing designs submitted by suppliers to ensure compliance with NGET specifications and procedures. 

Evaluate efficiencies and non-standard technical solutions on a project-by-project basis Work closely with colleagues, including the Innovation team, to identify and implement updates and changes to NGET specs and procedures. 

Provide technical guidance and support to project commissioning teams. 

For Protection & Control role calculation & review of relay settings. 

About You 

  • STEM degree or equivalent 
  • For Protection & Control / FACTs roles Electrical & Electronic Engineering with bias towards Power & Power Electronics.
  • For substation HV Plant roles – Electrical & Electronic Engineering desirable but not essential depending on experience. 
  • For HV Overhead Line & Cables roles – Electrical Engineering desirable but not essential depending on experience. 
  • Demonstrable knowledge of project-based engineering - Electrical. 
  • Working knowledge of relevant national and international standards. 
  • Demonstrable knowledge of CDM Regulations 
  • Proven track record of delivering projects within timescales. 
  • Using, interpreting, and writing technical specifications and policies 
  • Enact an Application Engineer role, applying standards to ensure technical compliance. Strong experience of managing multiple stakeholders / Projects. 
  • Regulatory & Energy Industry Understanding. 

Desirable: Member of a Professional body with the ability to become chartered 

Don’t meet every single requirement? Studies have shown that women and people of colour are less likely to apply for jobs unless they meet every single qualification. At National Grid, we are committed to building a diverse, inclusive and authentic workplace for everyone. So, if you’re excited about this role but your experience or qualifications don’t match the job description exactly, we encourage you to apply anyway. You might just be the right person for our growing business in this role or another one. 

What's in it for you? 

  • A competitive salary of £49,000 - £62,000 - dependent of experience 
  • £3,000 p.a. market supplement (paid monthly) 
  • Flexible working – opportunity to be based from offices or sites all over the country Job requirement car 
  • Training and Development 
  • An annual bonus based on personal and company performance 
  • 26 days annual leave plus eight statutory days 
  • The option to buy additional or sell holiday days 
  • Generous contributory pension scheme - we will double-match your contribution to a maximum company contribution of 12% (overall 18%). 
  • Financial support to help cover the cost of professional membership subscriptions, course fees, books, exam fees and time off for study leave – so long as it’s relevant to your role. Access to flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few. 
  • Family care benefits including a back-up care service for when your usual care arrangements fall through (six paid days each year as standard with the option to purchase further days). 
  • Access to apps that support health, fitness and wellbeing. 

Advert Close Date 

This advert closes on 15th November at 11:59PM 

Interviews will take place week commencing 4th December 

We encourage you to submit your application as early as possible and not to wait until the published closing date. National Grid’s recruitment periods can and may vary. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process. 


National Grid is at the heart of energy in the UK. The electricity we provide gets the nation to work, powers schools and lights everyone’s way home. Our energy network connects the nation, so it’s essential that it’s continually evolving, advancing and improving. That’s why we need the very best people to join the team.

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