Senior / Principal HV Electrical Engineer ( Buildings)

Arup; Greater London; On-site; GBP 100,000 - 140,000; Full time

Benefits offered by this job

Private medical insurance

Life assurance

Accident insurance

Income protection

Job summary

Arup in London seeks a Senior/Principal HV Electrical Engineer to lead the planning and delivery of complex HV designs for buildings and critical infrastructure. You’ll oversee reports, studies, models and specs while mentoring junior engineers in a multidisciplinary team.

Join a collaborative, flexible environment where electrical engineering sits at the heart of net-zero delivery, and where you’ll influence projects from inception to completion and manage financial performance.

Qualifications

• Degree in Electrical Engineering is required and professional registration with IET or CIBSE is expected.
• Strong knowledge of British and IEC electrical standards (BS 7671 etc.).
• Proficiency with electrical design tools such as ETAP, DigSILENT, CDEGS, Cymcap, PSCAD and Trimble ProDesign.

Responsibilities

• Lead HV and MV network design and optimisation.
• Deliver detailed power-system studies.
• Develop earthing and substation layouts.
• Coordinate multidisciplinary interfaces and review contractor submissions.
• Support procurement of HV/MV equipment.
• Liaise with clients, utilities and regulators; prepare clear technical docs.

Skills

Electrical engineering

Communication

Relationship building

CPD

Engineering enthusiasm

Education

Degree in Electrical Engineering

Professional registration (IET or CIBSE)

Tools

ETAP

DigSILENT

CDEGS

Cymcap

PSCAD

Trimble ProDesign

Job description

Senior / Principal HV Electrical Engineer ( Buildings)

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

Arup is an independent firm of designers, planners, engineers, consultants and technical specialists offering a broad range of professional services. Independent in ownership and spirit, we combine innovative digital solutions and processes with our domain expertise across the built environment to make a positive difference to the world.

Arup’s electrical engineers bring specialist expertise to solutions for buildings, transport infrastructure and energy, water and waste utilities. Our comprehensive services include energy audits, demand assessment, supply and system resilience, utilities consultancy and sustainable electrical engineering design.

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

This role offers an excellent opportunity for a talented Principal HV Electrical Engineer to help shape the future direction of our growing London-based team. You’ll work within a specialist HV group delivering technically challenging projects across sectors, from national‑significance infrastructure and international data‑centre power systems to renewable microgrid strategies, airport MV studies and major building HV design. With electrical engineering central to the transition to net‑zero, we’re looking for someone inquisitive, forward‑thinking and ready to challenge convention. You’ll operate as a key member of a multidisciplinary team, contributing to global projects and working in a collaborative, flexible environment. As a principal engineer, you’ll lead the planning and delivery of technical designs from inception to completion, producing and coordinating reports, studies, models and specifications while mentoring junior engineers. The role is client‑facing, requiring confident leadership of project teams, responsibility for financial performance and the ability to deliver high‑quality outcomes.

Responsibilities include leading HV and MV network design and optimisation; delivering detailed power‑system studies; developing earthing and substation layouts; coordinating multidisciplinary interfaces; reviewing contractor and vendor submissions; supporting procurement of HV/MV equipment; liaising with clients, utilities and regulators; and preparing clear technical documentation and presentations for stakeholders.

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 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 looking for people who bring technical excellence and a passion for engineering innovation. If you thrive on solving complex challenges and want to make a real impact, this could be the perfect opportunity.

We are looking for people with the following:

Qualifications & Professional Registration: Degree in Electrical Engineering (or related discipline) and professional registration with an institution such as IET or CIBSE.

Technical Expertise: Deep domain knowledge in electrical engineering and strong understanding of British and IEC standards (BS 7671, BS 7430, BS 5839, BS 9999, BS EN 50522, IEC 60909, IEC 61936, IEC 60287).

Software & Design Skills: Proficiency in electrical design tools such as ETAP, DigSILENT , CDEGS, Cymcap , PSCAD, and Trimble ProDesign .

Protection & Control Systems: Strong understanding of protection principles and schemes including grading studies and coordination; unit protection (REF, SEF, BED); busbar protection; directional overcurrent (DOC); CT/VT supervision; breaker failure protection; auto-reclose schemes; and ability to perform protection calculations and relay setting coordination. Also, good knowledge of SCADA architecture, protocols (IEC 61850, Modbus, DNP3), control diagrams, network topologies, and interface requirements.

Professional Attributes: Excellent communication skills, ability to build relationships internally and externally, commitment to continuous professional development, and enthusiasm for challenging engineering work.

What we offer you

At Arup, we care about each member’s success, so we can grow together.

Guided by our values, we provide an attractive total reward package that recognises the contribution of each of our members to our shared success. As well as competitive, fair and equitable pay, we offer a career in which all of our members can belong, grow and thrive – through benefits that support health and wellbeing, a wide range of learning opportunities and many possibilities to have an impact through the work they do.

We are owned in trust on behalf of our members, giving us the freedom, with personal responsibility, to set our own direction and choose work that aligns with our purpose and adds to Arup’s legacy. Our members collaborate on ambitious projects to deliver remarkable outcomes for our clients and communities. Profit Share is a key part of our reward, enabling members to share in the results of our collective efforts.

We also provide Private medical insurance, Life assurance, Accident insurance and Income protection cover. In addition, you’ll have access to flexible benefitsto help you look after all aspects of your wellbeing and give you the freedom and flexibility to find the best solutions for you, your family, and your individual needs.

Different People, Shared Values

Arup is an equal opportunity employer that actively promotes and nurtures a diverse and inclusive workforce. We welcome applications from individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, marital status, disability, neurotype or mental health, race or ethnicity, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. We are an open environment that embraces diverse experiences, perspectives, and ideas – this drives our excellence.

Guided by our values and alignment with the UN Sustainable Development Goals, we create and contribute to equitable spaces and systems, while cultivating a sense of belonging for all. Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working to gender equity and LGBTQ+ and disability inclusion – we aim to create a space for you to express yourself and make a positive difference. Discover more about life at Arup at http://www.arup.com/careers/your-life-at-arup .

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Closing Date - 2nd April 2026 - We may close the role earlier than the advertised date should we receive a large number of applications, so please ensure you apply early