Apprenticeship Level 6 - Building Services Mechanical - 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 to help us see things differently and solve the most complex challenges facing our clients, climate and communities.

Our Level 6 Degree Apprenticeships

Our apprenticeships allow you to study for industry-recognised qualifications whilst earning a competitive salary. As an apprentice, you will study with a training provider, such as a university, and combine this experience with real responsibilities in the workplace. Your study pattern could be day or block release, or via distance learning, depending on the course that you enrol on. A dedicated mentor will guide you through your personal and professional development. Level 6 Degree Apprenticeships have a typical duration of 3– 6 years, during which you will attain both a professional and academic qualification to further your career. Our apprentices are employed on a permanent basis, so you'll continue to progress with Arup once you've completed your course.

The Opportunity

As an Mechanical Building Services Engineer you'll work within a team of engineers to design all aspects of building services systems. Sustainability underpins everything we do at Arup and therefore your focus will be on delivering efficient, low energy and low carbon designs. You'll work with renewable and emerging technologies and enjoy the chance to work on projects in a wide range of sectors including education, healthcare, aviation, commercial, and data centres. At Arup, you will take advantage of Building Information Modelling (BIM) technology. BIM enables us to design buildings collaboratively using 3D computer models.

You'll support a variety of different work, including:

• Production of engineering drawings and sketches, including 3D or 2D computer drawings

• Production of Building Information Models (BIM)

• Undertaking virtual design reviews

• Preparation of simple engineering calculations

• Contributing to solutions for design challenges

• Taking part in design meetings, site visits, presentations and workshops

• Helping with the administration of projects

Mechanical Building Services Engineers aim to deliver user comfort whilst also ensuring our designs are as efficient and sustainable as possible. . Whether you are designing a net zero carbon school/college, or the next super hospital, you will be working within multidisciplinary teams to optimise the competing requirements of a design and shape the buildings of the future. We are constantly looking to develop the way we work and advances is software, computer modelling and virtual reality is rapidly changing the building design process.

Responsibilities of this role will include, but are not limited to:

• The design of Heating, Ventilation and Air Conditioning (HVAC) systems including load calculations and equipment sizing

• Completing ventilation, airflow and indoor environmental quality assessments

• Helping to design hot and cold water services and drainage systems

• Coordinating mechanical design requirements within a multi disciplinary team that includes Electrical, Public Health, Structural, Civil, Acoustic, Fire, Building Physics and Sustainability consultants

• Producing technical reports and engineering documentation

• Working with software such as Revit MEP and mechanical modelling tools

• Contributing to performance modelling and energy efficiency studies

• Collaborating with colleagues and external partners to develop your knowledge

Is this role right for you?

We're looking for apprentices who are curious and ready to evolve how they think and work.

Entry Requirements

To be eligible for an apprenticeship, you must:

• A Levels with a minimum Grade BBB or above including Mathematics and Physical Science (or equivalent) or will have completed a Level 3 Apprenticeship as a Building Services Design Technician.

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.

You should be able to start this opportunity in September 2026.

Advert closing date: 14th March 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.

Location Preferences

While the role you applied for is based in the location specified in the job advert, we may have other opportunities that align with your profile. To help us assess this, please let us know which Arup office locations you would be interested in working in on your application form

Duplicate applications

Please note, candidates are permitted to submit only one application per recruitment cycle. We recommend reviewing all available opportunities and selecting the role and location(s) that best align with your skills and interests before applying.

Please note we are unable to offer Skilled Worker Visa sponsorship for this role. 

What we offer you

Beyond a great salary and stimulating, technically challenging work, Arup offers a range of additional benefits to its people.

As a membership organisation, everyone shares in our success through a global profit share scheme. Our members also have access to a range of broader wellbeing benefits. You’ll have access to lots of learning and development opportunities. This includes a structured induction and ongoing training through Arup university.

Additionally, you'll have the opportunity to utilise your technical expertise to do meaningful work that strengthens the resilience of communities and places to improve lives through Arup's community engagement programme.