Designs, builds, and operates intelligent infrastructure
HV Plant Principal Engineer
Full-Time
No salary listed
Expert
Bachelor's
Stoke-on-Trent, UK
Hybrid
Electrical EngineeringPower Systems Engineering
About the job
Requirements
HNC or Degree in Electrical Engineering, Power Systems, or a related discipline
Proven experience in HV Plant design, design assurance, or technical approval within the Electricity Transmission and/or DNO sector
Strong knowledge of HV infrastructure, including substations, transformers, switchgear, and protection systems
Responsibilities
Review and assess HV plant design submissions, ensuring compliance with National Grid / DNO policies, procedures and engineering standards.
Provide detailed feedback and recommendations to address design gaps, non-compliance, or potential risks.
Approve final designs once all technical, safety, and regulatory requirements are met.
Chair design review meetings with a variety of stakeholders.
Coordination and technical interface with other engineering disciplines.
Serve as the primary point of contact between National Grid / DNO and Contractors regarding HV Plant design matters.
Collaborate with internal stakeholders, including asset management, project delivery teams, and other engineering disciplines, to ensure design alignment with project objectives.
Participate in design coordination meetings, workshops, and technical reviews with contractors and suppliers.
Identify potential risks related to safety, reliability, and performance in contractor designs and recommend corrective actions.
Ensure that all designs incorporate appropriate risk mitigation measures, including hazard identification (HAZID) and risk assessments.
Experience of implementing safety by design and CDM awareness.
Maintain comprehensive records of design submissions, review comments, and approval decisions.
Prepare technical reports and assurance documentation for internal stakeholders and regulatory bodies.
Monitor performance related to design quality and compliance, providing feedback to management as needed.
Experience of working to a structure project design process
Desired Qualifications
Chartered Engineer status or working towards CEng accreditation
Experience of producing, reviewing and approving designs for National Grid and/or Distribution Network Operator (DNO) projects.
Currently or previously held National Grid BP141 Design Assurance Engineer authorisation
Currently or previously nominated as BP137 Contractor Design Approval Engineer on National Grid projects.
Job Description
Principal Engineer (HV Plant), is responsible for reviewing, assessing, and approving HV Plant design submissions for National Grid and/or Distribution Network Operator (DNO) projects. This role ensures that designs for substations, transformers, switchgear, and other HV infrastructure comply with National Grid / DNO engineering standards, regulatory requirements, and industry best practices.
The successful candidate will work closely with National Grid / DNO, Contractors, internal Engineering and Design teams, and Project Managers to ensure the timely delivery of safe, reliable, and compliant designs.
Experience of the UK Electricity Transmission and/or Distribution System is preferable, but not essential for this role.
Responsibilities
Design Review & Approval:
Review and assess HV plant design submissions, ensuring compliance with National Grid / DNO policies, procedures and engineering standards.
Provide detailed feedback and recommendations to address design gaps, non-compliance, or potential risks.
Approve final designs once all technical, safety, and regulatory requirements are met.
Chair design review meetings with a variety of stakeholders.
Coordination and technical interface with other engineering disciplines.
Stakeholder Coordination:
Serve as the primary point of contact between National Grid / DNO and Contractors regarding HV Plant design matters.
Collaborate with internal stakeholders, including asset management, project delivery teams, and other engineering disciplines, to ensure design alignment with project objectives.
Participate in design coordination meetings, workshops, and technical reviews with contractors and suppliers.
Risk Identification & Mitigation:
Identify potential risks related to safety, reliability, and performance in contractor designs and recommend corrective actions.
Ensure that all designs incorporate appropriate risk mitigation measures, including hazard identification (HAZID) and risk assessments.
Experience of implementing safety by design and CDM awareness.
Documentation & Reporting:
Maintain comprehensive records of design submissions, review comments, and approval decisions.
Prepare technical reports and assurance documentation for internal stakeholders and regulatory bodies.
Monitor performance related to design quality and compliance, providing feedback to management as needed.
Experience of working to a structure project design process
Qualifications
Essential:
HNC or Degree in Electrical Engineering, Power Systems, or a related discipline.
Proven experience in HV Plant design, design assurance, or technical approval within the Electricity Transmission and/or DNO sector.
Strong knowledge of HV infrastructure, including substations, transformers, switchgear, and protection systems.
Desirable:
Chartered Engineer status or working towards CEng accreditation
Experience of producing, reviewing and approving designs for National Grid and/or Distribution Network Operator (DNO) projects.
Currently or previously held National Grid BP141 Design Assurance Engineer authorisation
Currently or previously nominated as BP137 Contractor Design Approval Engineer on National Grid projects.
Additional Information
Location:
Home based, with the option of working from Omnia offices (Stafford, Stockton Heath and Northallerton), as per project requirements. Must be willing to travel anywhere throughout the UK.
These are UK wide roles based on client site/s and we welcome applications from various geographically regions.
Working Hours:
Ideally full time but may consider Contingent Worker Contract and Part-Time options.
Package:
Competitive Salary, plus discretionary bonus
Working hours of 40hours per week. All overtime payable or time off in lieu (your choice) should you work more than this
22 days holiday, plus bank holidays with an option to increase
Private Medical Insurance
Workplace Pension
Death in Service
Company car scheme
Equality, Diversity and Inclusion
We at EGIS are an Equal Opportunities employer and we recognise the value of a Diverse Organisation. EGIS appreciates all job applications. If you decide to apply for an opportunity at EGIS, your application will be assessed based purely on your experience, the essential and desirable criteria, and your suitability for the role. We value each and everyone’s contribution as this builds our culture and means, if you work for EGIS, you will be included, listened to, and respected.
H.W. Lochner has completed its rebrand as Egis following their merger in July 2025, creating a unified US infrastructure business with over 1,500 professionals across 70 offices.
The combined organisation offers services across transportation, water, energy and environmental infrastructure. It integrates Lochner's 80-plus years of US infrastructure experience with Egis' global expertise in architecture, consulting, construction engineering, operations and mobility.
Globally, Egis operates in 70 countries with approximately 23,500 employees. The company ranks 17th on Engineering News-Record's Top 225 International Design Firms list and seventh in transportation.
Laurent Germain, Egis Group CEO, said the rebrand strengthens their US market position and enables them to leverage their global network to address complex client challenges.
Lochner, an Egis Group company, has appointed Karen Wiemelt to its Board of Directors. Wiemelt brings over 35 years of leadership experience in the nuclear and energy sectors, with expertise in programme management, environmental remediation and strategic planning.
Wiemelt previously served as Senior Vice President and General Manager at Jacobs, where she led the company's global Energy, Security and Technology business unit. In that role, she managed a portfolio exceeding $1.5 billion in annual revenue and over 8,000 employees worldwide. She has also served on numerous industry and corporate boards.
Founded in 1944, Lochner merged with Egis Group in July 2025, positioning it as the cornerstone of Egis' US growth strategy. Wiemelt holds a Bachelor of Science degree in Chemical Engineering from the Colorado School of Mines.
CHICAGO, Nov. 24, 2025 /PRNewswire/ -- Egis, a global leader in architecture, consulting, construction engineering, operations, and mobility services, has acquired RockSol Consulting Group, Inc., a Colorado-based transportation infrastructure firm specializing in engineering, planning, environmental compliance, design, construction management, inspection, and materials testing. The acquisition strengthens Egis' transportation market position in the fast-growing Mountain States and West region of the U.S. Founded in 1996 and headquartered in Thornton, Colorado, RockSol is known for the highest standard of reliability and quality in delivering highway, bridge, transit, and public works projects that enhance safety, preserve environmental resources, and improve communities. With more than 240 employees, RockSol serves municipalities, counties, state Departments of Transportation, and federal civilian agencies throughout the Western U.S. "We warmly welcome President and Founder Saeid Saeb and our new colleagues from RockSol," said Terry Ruhl, Chief Executive Officer of Egis in the U.S
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