Principal Engineer, High Voltage Cable Systems

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Principal Engineer – HV Cable Systems

Role Overview

We are looking for an experienced Principal HV Cable Engineer to join our growing Transmission & Distribution team, supporting major infrastructure and energy transition projects worldwide.

In this role, you will lead the design and delivery of high-voltage cable systems across the project lifecycle, from feasibility and FEED through detailed design, installation support.. You will provide technical leadership on complex HVAC and HVDC cable systems, working closely with multidisciplinary teams and key clients including Transmission System Operators (TSOs), Distribution Network Operators (DNOs), and renewable developers.

This position is ideal for a senior cable specialist ready to take on technical leadership responsibilities, mentor engineers, and contribute to the delivery of large-scale grid and renewable energy projects.

Experience on UK transmission projects and exposure to National Grid standards is highly valued.

Key Responsibilities

Technical Leadership & Design

• Lead the engineering design of HV and EHV cable systems, including underground and submarine cables.
• Deliver complete cable engineering packages across project phases: feasibility, FEED, detailed design, installation support, and commissioning.
• Perform and review cable system calculations, including:
  • Ampacity and thermal analysis
  • Short-circuit forces and thermal stability
  • Electromagnetic and mechanical analysis
  • Voltage drop and system losses
• Support HVAC and HVDC cable system design, including route development and installation strategy.

Engineering Studies & Installation Support

• Undertake cable rating and system studies using tools such as CYMCAP.
• Perform installation engineering studies, including cable pulling, cleating, and mechanical restraint calculations.
• Support installation, testing, and commissioning activities, including FAT/SAT when required.

Multidisciplinary Collaboration

• Work closely with civil, structural, substation, and OHL teams to deliver integrated transmission infrastructure.
• Interface with manufacturers, contractors, and suppliers to ensure technical compliance.
• Participate in technical workshops, design reviews, and HAZID/HAZOP sessions.

Client Interface & Technical Advisory

• Act as a technical point of contact for clients and internal/external teams.
• Support technical proposals, design reviews, and engineering decisions throughout project delivery.

Mentoring & Knowledge Sharing

• Provide technical guidance and mentorship to engineers within the team.
• Contribute to technical best practices and continuous improvement initiatives.

Qualifications & Experience

Education

• Bachelor’s degree in Electrical Engineering.

Experience

• Typically 10+ years of experience in HV/EHV cable system design and engineering.
• Proven experience delivering cable system projects across multiple project phases (FEED to commissioning).

Technical Skills

• Strong knowledge of:
  • Cable ampacity and thermal modelling
  • Cable installation engineering
  • Mechanical restraint and short-circuit forces
  • Cable routing and burial strategies
• Experience with engineering and modelling tools such as:
  • CYMCAP
  • AutoCAD / Revit
  • Power system analysis tools (e.g., ETAP)

Nice to have:

• Experience working on UK transmission or distribution projects.
• Exposure to National Grid standards and Technical Specifications (NG-TPs).
• Experience with HVDC cable systems or subsea cable projects.
• Knowledge of IEC, CIGRÉ, and international cable engineering standards.
• Chartered Engineer (CEng) or working towards chartership.
• NG certification such as CDAE (Cable Design & Engineering) is advantageous.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.