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Egis Group

Designs, builds, and operates intelligent infrastructure

Principal Engineer - HV Plant

Full-TimeUpdated on 10/23/2026
No salary listed
Expert
Bachelor's
Remote in UK
RemoteHome based; may work from Omnia offices in Stafford, Stockton Heath, or Northallerton as project requirements dictate. Must travel throughout the UK.
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 Distribution Network Operator sector.
  • Strong knowledge of HV infrastructure, including substations, transformers, switchgear, and protection systems.
Responsibilities
  • Review and assess HV plant design submissions for compliance with National Grid or Distribution Network Operator policies, procedures, and engineering standards.
  • Provide detailed feedback and recommendations to address design gaps, non-compliance, or potential risks.
  • Approve final designs once technical, safety, and regulatory requirements are met.
  • Chair design review meetings with stakeholders.
  • Coordinate and provide technical interfaces with other engineering disciplines.
  • Serve as the primary point of contact between National Grid or Distribution Network Operators and Contractors on 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 safety, reliability, and performance risks in contractor designs and recommend corrective actions.
  • Ensure designs incorporate appropriate risk mitigation measures, including hazard identification and risk assessments.
  • Maintain comprehensive records of design submissions, review comments, and approval decisions.
  • Prepare technical reports and assurance documentation for internal stakeholders and regulatory bodies.
  • Monitor design quality and compliance performance, providing feedback to management as needed.
Desired Qualifications
  • Chartered Engineer status or working towards Chartered Engineer accreditation.
  • Experience of the UK Electricity Transmission and/or Distribution System.
  • Experience producing, reviewing, and approving designs for National Grid and/or Distribution Network Operator 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.
  • Experience implementing safety by design and awareness of Construction (Design and Management) requirements.
  • Experience working to a structured project design process.

About the company

Starting

Company Size

5,001-10,000

Company Stage

Debt Financing

Total Funding

$1.6B

Headquarters

Montigny-le-Bretonneux, France

Founded

1949

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Simplify's Take

What believers are saying

  • Tikehau raised over €1 billion in July 2025 to fund Egis expansion.
  • Egis bought RockSol on November 24, 2025, deepening Western U.S. transportation reach.
  • Lochner rebranded as Egis on August 17, 2026, signaling faster U.S. integration.

What critics are saying

  • Africa Intelligence reported September 16, 2026 arbitration over Cameroon's unpaid Tollcam debt.
  • Egis's African subsidiary carve-out into Infras Group risks client confusion and talent loss.
  • Aggressive acquisition-driven growth after Lochner, RockSol, Engeny, and Ecometrix strains integration.

What makes Egis Group unique

  • Egis now combines Lochner, RockSol, and global services across 70 countries.
  • It owns rare end-to-end infrastructure capabilities: design, operations, concessions, and mobility.
  • The 2026 Africa reorganization sharpened focus without abandoning 25-country regional reach.

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Benefits

  • Hybrid Work Options
  • Phone/Internet Stipend
  • Wellness Program

Company News

Pulse 2.0
Aug 19th, 2026
Lochner rebrands as Egis following 2025 merger, creating unified US infrastructure firm with 1,500+ professionals

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.

PR Newswire
Feb 13th, 2026
Lochner appoints Karen Wiemelt to board with 35 years of nuclear and energy leadership

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.

PR Newswire
Nov 24th, 2025
Egis Acquires Colorado-Based RockSol Consulting Group

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

Newswire
Sep 16th, 2025
Egis Acquires Ecometrix, Bolstering Environmental and Water Capabilities in Canada

/CNW/ - Egis, a global leader in architecture, consulting, construction engineering, operations and mobility services, has acquired Ecometrix, a leading...

Business Wire
Jul 7th, 2025
Tikehau Capital Raises €1 Billion to Support Egis’ Next Phase of Growth, With Backing From an Apollo S3 / ADIA Consortium and Neuberger Berman as Co-Lead Investors

Regulatory News: Tikehau Capital (Paris:TKO), the global alternative asset manager, announces a capital raise for its portfolio company Egis, reaffirming its...