Senior​/Principal Electrical Engineer; Building Services

Joining Arup

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

We’re seeking an enthusiastic Senior or Principal Engineer with strong design, communication and sustainability skills, who thrives in collaborative, multi‑disciplinary environments and enjoys taking projects from inception through completion. You’ll bring solid experience in electrical building services across varied project types, along with a proven ability to integrate disciplines and deliver high quality, coordinated design. Joining our creative Cardiff Building Engineering team, you’ll help push boundaries in the built environment, contribute to our digital evolution and lead MEP delivery across local, national and international projects.

The role involves ensuring robust technical approaches, overseeing project teams, managing financial performance, engaging directly with clients and guiding junior engineers.

Responsibilities include leading spatial and technical coordination, producing engineering designs and specifications, supervising multidisciplinary work, supporting multiple design teams, mentoring colleagues, contributing to bids and managing project resourcing and commercial performance.

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.

• Hold a degree or equivalent qualification in Electrical Engineering or a related engineering discipline and have attained Chartered Engineer status through a recognised professional institution such as the IET or CIBSE.
• Demonstrate a strong track record in winning and delivering diverse projects, with the ability to balance engineering priorities across varying scopes and complexities.
• Provide technical leadership to multi-disciplinary design teams, including coordination with external sub-consultants, while applying deep knowledge of sector‑specific legislation, regulatory frameworks, and emerging trends.
• Exhibit proven people management capabilities, with experience supporting and guiding team members across all levels to achieve project and professional goal.
• Bring expertise in sustainable building design, ensuring compliance with both regulatory and voluntary standards related to energy strategy and environmental performance.

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.

• Profit Share
• Competitive, fair and equitable pay
• Private medical insurance
• Life assurance
• Accident insurance
• Income protection cover
• Flexible benefits to 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.

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

We are committed to making our recruitment process and workplaces accessible to all candidates. We will do everything we can to support you.