Senior Overhead Line Design Engineer - Grid Upgrade

Joining Arup

Arup’s purpose, shared values and collaborative approach have set us apart for over 80 years, guiding how we shape a better world.

Arup delivers transmission and distribution design projects globally. In the UK, we work across the full project lifecycle, from initial concepts through to detailed design, supporting a wide range of clients including established asset owners and new market entrants such as interconnectors and private wire schemes.

As part of this, Arup has formed a joint venture with AECOM as a design and consenting partner for National Grid’s Great Grid Partnership. Over the coming decade, this programme will play a key role in modernising the UK’s electricity network, enabling the connection of renewable energy and supporting the transition to net zero.

These projects form part of the Accelerated Strategic Transmission Investment (ASTI) programme, helping to strengthen the UK’s energy infrastructure and deliver a more resilient, low‑carbon network for the future.

Roles are available across multiple UK office locations.

We are seeking a Senior Overhead Line (OHL) Design Engineer to join our growing transmission and distribution team. This role is suited to engineers with proven experience in overhead line design who are ready to take on increased responsibility in project delivery and technical leadership.

You will lead and deliver OHL design packages across a range of voltage levels (typically 33kV–400kV+), working within multidisciplinary teams on major infrastructure projects including the Great Grid Partnership. You will play a key role in shaping technical solutions, supporting junior engineers, and ensuring high‑quality, compliant design outputs.

• Leading the preparation and checking of feasibility studies, design reports, and technical documentation
• Delivering and overseeing detailed OHL design activities including routing, profiling, and design calculations
• Producing and reviewing drawings, models, and digital design outputs using relevant CAD and specialist tools
• Coordinating with multidisciplinary teams and external stakeholders to deliver integrated design solutions
• Supporting the management of project deliverables to programme, budget, and quality requirements
• Providing technical guidance and mentoring to junior engineers
• Contributing to continuous improvement, innovation, and digital design approaches within the team

We are interested in candidates with demonstrated experience in overhead line design and a strong understanding of transmission and distribution projects.

• OHL design principles across EHV systems (33kV–400kV+)
• Tools such as PLS‑CADD and other industry‑standard design software
• Sag & tension calculations, line profiling, and routing optimisation
• Structural concepts relating to towers, foundations, and line components
• Engineering design delivery within consultancy or contractor environments
• Technical checking and assurance of design outputs

• The ability to take ownership of technical deliverables and contribute to project leadership
• Strong communication skills with the ability to engage clients and stakeholders
• A collaborative approach and willingness to support team development

• A degree (or equivalent) in a relevant engineering discipline
• Chartered or working towards within 12 months
• Experience in overhead line design within transmission and distribution
• Progression towards professional qualification (e.g. working towards or recently achieved chartership)
• Strong technical, analytical, and problem‑solving skills
• The ability to work independently while contributing to a wider team
• Experience in consultancy or…