Senior EHV Cable Design Engineer – Transmission & Distribution
Location: UK-wide (Hybrid or Office-based – flexibility available)
Contract Type: Contract
Salary: Competitive, based on experience
MRR Infrastructure is delighted to be supporting a global engineering, construction, and consulting leader that delivers world-class power infrastructure solutions. With over 10,000 professionals across 55 offices globally, the company is recognised as a market leader in the design and delivery of transmission and distribution (T&D) projects, including complex EHV cable systems for National Grid and other major clients.
As part of their continued growth in the UK, we are recruiting a Senior EHV Cable Design Engineer to join their Transmission & Distribution engineering team. This is a key position, offering the opportunity to lead major cable design workstreams while contributing to the strategic development of the team’s UK design capability.
Role Overview:
You will operate as a senior technical authority in EHV cable system design, supporting the delivery of engineering packages ranging from 11kV to 400kV, with a focus on voltages of 132kV and above. You will work collaboratively with both UK and international teams, mentor junior engineers, and ensure compliance with client specifications and national/international standards.
Key Responsibilities:
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Lead the delivery of EHV cable system design packages on multi-disciplinary engineering projects
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Produce detailed designs in line with UK and international standards (e.g., ENA, BS, IEC, IEEE)
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Perform cable studies including rating, short circuit, pulling force and thermal thrust calculations
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Provide technical leadership, design sign-off and quality assurance on cable deliverables
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Mentor and guide junior engineers within the cable design team
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Collaborate with other engineering disciplines to support full lifecycle project delivery
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Support client meetings, tender preparation, technical presentations and FEED studies
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Develop and maintain design tools, workflows, and technical standards for cable systems
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Ensure compliance with CDM 2015, and all applicable SHE legislation and industry requirements
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Support marketing and business development activities by building client relationships
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Actively contribute to professional bodies and represent the company as a subject matter expert
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Drive a culture of technical excellence, innovation and “Safety by Design” across all projects
Essential Requirements:
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Degree in Electrical Engineering (or related field) from an accredited programme
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Minimum 7 years’ experience in EHV cable system design, with at least 4 years on UK T&D projects
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Chartered or working toward membership of a recognised engineering institution (e.g. IET, CIGRE)
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Deep understanding of cable system engineering on 132kV+ networks
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Practical knowledge of UK substation design procedures and specifications (e.g., National Grid TP & NGTS documents)
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Proficient in cable rating software such as CRATER, CymCap, ETAP or Cableizer
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Strong knowledge of CDM 2015 regulations, safety standards, and environmental legislation
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Excellent communication and report writing skills, with the ability to influence at all levels
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Proven ability to work independently and within cross-functional project teams
Desirable:
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Experience with National Grid specifications: TP135, TP137, TP141, TP153, TP163, TP188, TP189
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Knowledge of NGTS documents and associated technical standards
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CDM training, Substation safety access training (e.g., BESC: AIM, NSI 30)
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Understanding of Impressed Voltage, temporary works procedures and permit systems
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CAD proficiency and familiarity with digital engineering workflows