Summer Internship - Building Services - Mechanical Engineer - Cardiff

See it differently

You see the world through a unique lens and that’s exactly what we need. We embrace how you see things differently – it’s essential for creating a sustainable future.

Arup is a global consultancy with advisory and technical expertise across more than 150 disciplines. We guide, plan and design the future of the built environment. Globally, each year we recruit hundreds of graduates and students who help us see things differently and solve the most complex challenges facing our clients, climate and communities.

Our Mechanical Building Services Engineers apply their specialist skills to buildings projects across the globe and are influential at being able to drive reductions in carbon dioxide emissions and energy/water consumption to the benefit of our society. We offer our clients a broad spectrum of expertise and consulting services in, but not limited to, the following types of developments; commercial and residential developments; universities, colleges and schools; hospitals and healthcare buildings; laboratories and research facilities; transport projects, including airports and rail stations; sports facilities and stadia; hotels & leisure; theatres and performance venues; museums and art galleries; large-scale industrial and manufacturing facilities and data centres.

The Opportunity

We are currently recruiting for Mechanical or Building Services Engineering Summer Students to join our well-established Buildings teams across the UK. This is an excellent opportunity for students with an interest in building design and sustainability who are eager to develop their skills in a professional environment to join a multi-disciplinary this summer.

During this 6-week Summer Internship you will work as part of project teams to deliver effective and professional services to our clients. Due to the multi-disciplinary nature of our design teams, you will have the opportunity to work alongside Architects, Building Services, Building Physics and Geotechnical Engineers, Surveyors and Project Managers

Is this role right for you?

For this opportunity, we are seeking the following qualifications, skills and attributes:

• You must be in your final or penultimate year studying towards a MEng or BEng in Mechanical, Architectural or Building Services Engineering, or equivalent

Demonstrate strong motivation and passion for a career in building design

STEM minded individuals who are keen to use their engineering acumen to design the services that make Buildings comfortable for their users. You need to be willing to communicate, calculate, keen to learn to use 3D and thermal software and proactive in developing ideas into designs. With opportunities to work on many aspects of the built environment from projects that have just started to the thought about to site visits looking at installed services in nearly completed buildings you need to enjoy a variety of types of work.

Alongside your degree, we look for the following core attributes;

• Changemakers: A passion for sustainable development and creating a better world is key.
• Innovative minds: We’re looking for critical thinkers who embrace new ideas and challenge the status quo.
• Growth seekers: You have a growth mindset, always eager to learn and explore new ways of working.
• Adaptable adventurers: You’re ready to take on any challenge that comes your way.
  
  

Advert Closing Date: 12 November 2026

Please note, in the event of high applicant volume, this role may be closed ahead of the advertised closing date. Early application is recommended.

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.

We take an approach to flexible working that supports the diversity and wellbeing of our graduates.

Next Steps

We've designed our application process to be straightforward and supportive, giving you the opportunity to showcase your skills and pote

ntial. Applications are reviewed as they're received, so we encourage you to apply as early as possible.

The process includes an online application, psychometric testing, application review, case study, interview and offer stage. Our friendly Early Careers team is available throughout the process to answer questions and help you feel confident every step of the way.

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 www.arup.com/careers/your-life-at-arup. We are an open environment that embraces diverse experiences, perspectives, and ideas.

We are committed to making our recruitment process and workplaces accessible to all candidates. Please contact [email protected] to let us know if you need any assistance or reasonable adjustments throughout your application or interview process, and/or to perform the essential functions of the role. We will do everything we can to support you.

As a Disability Confident Level 2 Employer in the UK, we will strive for one third of all our interview places to be allocated to candidates who have disclosed they are disability confident and best meet the requirements of the role.

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