Senior Overhead Line Design Engineer - Great 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.

Watch this short clip to discover how Arup are shaping a better world and how you could be a part of it! The Opportunity 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.

Your responsibilities will include:

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

At Arup, you belong to an extraordinary collective – in which we encourage individuality to thrive. Our strength comes from how we respect, share and connect our diverse experiences, perspectives and ideas. You will have the opportunity to do socially useful work that has meaning – to Arup, to your career, to our members and to the clients and communities we serve.

Is this role right for you?

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

You are likely to have experience in:

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

You will also demonstrate:

The ability to take ownership of technical deliverables and contribute to project leadership

Strong communication skills with the ability to engage clients and stakeholdersA collaborative approach and willingness to support team development

We are looking for:

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…