Principal Design Engineer - UGC

Job Title: Principal Design Engineer – Underground Cables

Reporting to: Head of Design – Underground Cables

Business Unit: Omexom Design

Purpose of the Position:

To provide technical leadership and expert\-level design input for underground high\-voltage (HV) and extra\-high\-voltage (EHV) cable systems across major infrastructure projects. The role combines deep engineering knowledge with strategic oversight of design practices, acting as a senior authority on cable system design, compliance, and innovation.

Key Responsibilities and Duties:

Including but not limited to:

• Act as a technical lead across HV/EHV cable system design activities, ensuring solutions are safe, robust, compliant, and cost\-effective.


• Oversee complex cable design packages (33kV and above), ensuring technical excellence across concept, feasibility, and detailed design phases.


• Develop, own, and assist with maintain internal design standards, methodologies, templates, and tools relevant to HV/EHV cable systems.


• Ensure all design deliverables meet industry standards, regulatory requirements, and company best practices.


• Perform and supervise detailed analyses including thermal, electrical, ampacity, and mechanical stress assessments using tools such as CYMCAP, ELEK, and AutoCAD.


• Lead technical peer reviews, quality checks, and design audits to maintain a high standard of engineering output.


• Support the development of junior engineers through guidance, feedback, and training in best practice design techniques.


• Promote new technologies, design methods, and continuous improvement within the cable design discipline.


• Participate in professional forums and maintain up\-to\-date knowledge of industry trends through organisations such as IET, CIGRÉ, and IEEE.

The Design Planner will maintain strong relationships and typically interface with:

• Heads of Design


• Design Managers


• Lead Design Engineers


• Client representatives


• Supplier representatives


• Operations Engineers and Site teams


• Technical Managers


• Internal Design Teams

The successful candidate will demonstrate high levels of technical competence, leadership, and a passion for delivering safe and innovative engineering solutions. They will be able to work independently whilst enjoy being part of a friendly, ambitious and growing team.

Essential Qualifications and Experience

• A degree in Electrical Engineering or a related discipline; a Master’s degree (MSc/MEng) is advantageous.


• Chartered Engineer (CEng) status, or actively working towards chartership with significant relevant experience.


• Extensive and demonstrable experience in HV/EHV underground cable system design, ideally including work at 132kV and above.


• Strong working knowledge of cable selection, route design, installation techniques, accessories, thermal and electrical performance, and compliance standards.


• Advanced proficiency in CYMCAP, ELEK, and AutoCAD; familiarity with additional tools such as MATLAB is beneficial.


• Demonstrated ability to lead complex engineering calculations, simulations, and system assessments.


• Proven experience in technical leadership, including mentoring and team development.


• Excellent verbal and written communication skills, with the ability to convey complex technical concepts clearly and confidently.


• Membership of professional institutions (e.g. IET, CIGRÉ, IEEE) is highly desirable.

• Experience working in multidisciplinary project environments within the energy transmission or infrastructure sectors.


• Knowledge of international and UK cable standards and regulatory frameworks.


• Ability to challenge and improve existing practices through a proactive, innovation\-driven mindset.

In line with Omexom’s values, the jobholder must possess the following qualities:

Team Spirit \& Generosity – able to work effectively within and contribute to the Omexom team to deliver results, provide support and drive performance.

Trust and Empowerment – enjoy managing their responsibilities and time to ensure work is completed efficiently and professionally.

Integrity and Responsibility – enjoy taking responsibility for their duties and managing these effectively to ensure efficient high quality results.

Innovation \& Entrepreneurship – continually strive to improve processes and introduce new initiatives to improve efficiency.

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