Job Title: Senior Design Engineer – Underground Cables
Reporting to: Head of Design – Underground Cables
Business Unit: Omexom Design
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.
Including but not limited to:
· Act as the 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 maintain internal design standards, methodologies, templates, and tools relevant to HV/EHV cable systems.
· Lead technical peer reviews, quality checks, and design audits to maintain a high standard of engineering output.
The Design Engineer will maintain strong relationships and typically interface with:
· Heads of Design
· Design Managers
· Lead/Principal 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.
· A minimum of 5 years’ 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.
· Proven experience in technical leadership, including mentoring and team development.
· Membership of professional institutions (e.g. IET, CIGRÉ, IEEE) is highly desirable.
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.

VINCI is a world leader in concessions, energy and construction, employing 280.000 people in more than 120 countries.
We design, finance, build and operate infrastructure and facilities that help improve daily life and mobility for all.
Because we believe in all-round performance, above and beyond economic results, we are committed to operating in an environmentally and socially responsible manner.
You can be part of projects that bring lasting change to urban ecosystems and entire regions. Join the team!