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AECOM Graduate Mechanical and Electrical Engineers (Building Services) - Cardiff in Cardiff, United Kingdom

Company Description

AECOM is built to deliver a better world. We design, build, finance and operate infrastructure assets for governments, businesses and organizations in more than 150 countries. As a fully integrated firm, we connect knowledge and experience across our global network of experts to help clients solve their most complex challenges. From high-performance buildings and infrastructure, to resilient communities and environments, to stable and secure nations, our work is transformative, differentiated and vital. A Fortune 500 firm, see how we deliver what others can only imagine at aecom.com and @AECOM.

Job Description

AECOM is one of the world’s largest professional engineering consultancies, bringing a comprehensive portfolio of building services and engineering skills to projects encompassing all types of building and use from World Class Sporting Venues through to Commercial Properties, Healthcare & Research, Hotels, Industrial & Manufacturing, and Infrastructure both in the UK and increasingly overseas.

Building services engineers work closely with the design team to ensure the projects we create together sustainably perform to the brief and budget. Increasingly we work with our other internal business lines such as Architecture, Environment, Transportation, and our own Project Managers to provide a one stop solution to our clients. If you can bring passion and flair to our work, have a real interest in improving the built environment and want to now apply your engineering skills to the real world then we want to hear from you.

Electrical Engineering - We deliver expert thinking to drive efficient solutions for all aspects of building services Electrical Engineering including high and low voltage power supplies and distribution systems, incoming utilities, standby generation, UPS and resilient power solutions, renewable systems, power, lighting, fire alarms and security.

Mechanical Engineering - The quality of a building’s internal environment plays a significant role in determining its fitness for the purpose for which it was designed. The mechanical engineer by the application of modern control technology allied to energy efficient heating, ventilation and air conditioning systems, allows occupants to vary conditions within the building although this all starts with working with the architect to ensure the buildings form is sufficiently thermally efficient to enable energy targets to be met or exceeded.

As part of an international company you will have the opportunity to make connections regionally, nationally and internationally and the range of projects and opportunities is broad.

Examples of projects the Building Services team are involved in include:

Forbury Place, Reading – AECOM were involved with the development of two new-build office developments totaling circa 400,000 sq ft. Building 2 has recently won the prestigious BCO regional award and has been put forward for the national finals. The offices were completed to category A standard, achieving BREEAM Excellent, EPC A rated and Wired Scope Platinum. Sustainable features include 700m2 photovoltaic panels (350m2 per building), air source heat pumps and rainwater harvesting.

Medical and Dental Facility, RAF Valley, Anglesey, Wales . The detailed design and specification for a new facility based on the RAF site on Anglesey in North wales. The building services needed to be designed in accordance with the usual British Standards and Building regulations as well as incorporating relevant parts of the Health technical Memoranda (HTM’s) as required for compliance with Hospital standards. Further, to this, the facility also had to comply with the JSP Guidelines for MOD establishments in the UK. The project was delivered in 3D to aid with clash detection and coordination with the building and structural elements

Westferry, Isle of Dogs – 11 residential blocks ranging up to 40 stories with large dock heating and cooling scheme. We are providing MEP services, security, ICT, lighting, sustainability, noise & vibration monitoring, fire, acoustics & air quality

Old Bailey, London – Major plant replacement for central plant, including lifts. Project going on over 11 years in phases whilst the site is occupied and fully operational. AECOM are providing MEP services, lifts, and structures.

Broadway Development, London – Mixed use high end residential with offices and retail. AECOM are providing MEP services, fire, acoustics, and sustainability.

When a graduate starts with us we pair them with an experienced engineer who will guide and mentor them through their initial period working on live projects.

The following description lists a fairly typical approach to foundational training in your discipline; however, business needs, project task availability, and your training interests will also influence the scope and order of training. Depending on your discipline, for your first year you will learn the following skills:

  • Design experience in the electrical and mechanical engineering aspects of project delivery

  • Application of electrical engineering to support sustainable building design

  • Variety of analyses for different buildings from Offices to Hospitals to Data Centre’s and Hotels

  • Delivery of projects using BIM

  • AutoCad and REVIT

  • Calculations including electrical load, circuit design and cable calculations, and lighting

  • How to use the Technical Practice Network

  • Learning to navigate through codes and guidelines

  • Complete our Safety Training

  • AECOM standards and symbols

Job responsibilities may include:

  • System load calculations to enable central and secondary plant to be accurately sized Technical design of all electrical engineering aspects of projects

  • Ensuring plantrooms and distribution routes are adequately sized

  • Report writing for the appropriate RIBA stage

  • Compiling technical specifications appropriate for the system components selected

  • Determining the best technical solution and evidencing reasoning.

  • Working on projects using REVIT & AutoCad

  • Giving structure to ideas – lots of 'taking a first pass' at spreadsheets, reports and analyses for discussion later rather than instruction

  • Attending meetings and workshops, learning from listening, asking questions and discussion

  • Working with people from other disciplines to gain knowledge on new subjects

  • Assisting in developing our designs through the different stages

  • Inspecting and monitoring installations during the construction phase.

  • Taking on more responsibility in managing our projects from inception through to completion as the graduate role develops


  • An accredited Bachelor degree (min 2:1 or equivalent) in Electrical, Building Services, Mechanical, Architectural Environment Engineering or similar, with honors. Accreditation being with CIBSE, IMechE or IET.

  • Relevant Industry related work experience would be advantageous

Additional Information

Our Graduate Development Programme (ADVANCE) along with our huge scope of projects across the globe will challenge and inspire you to make a real difference to the world we live in. Our GDP forms a core part of our business strategy globally, designed to develop the best talent across numerous disciplines to lead our business into the future.

We’ll provide you with all the tools and support you need to work towards your professional development ambitions. We’ll push you to achieve the highest standards. You will be assigned a line manager to support and guide your development. There’ll be on-the-job technical development and classroom training where required, and the opportunity to work on live client projects with significant multi-disciplinary exposure.

Here, you will have freedom to grow in a world of opportunity.

We will give you the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

When you join us, you will connect and collaborate with a global network of experts – planners, designers, engineers, scientists, consultants, program and construction managers – leading the change toward a more sustainable and equitable future. Join us and let’s get started.


AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

All your information will be kept confidential according to EEO guidelines.

ReqID: REF29782Q

Business Line: B&P - Buildings & Places

Business Group: DCS

Strategic Business Unit: Europe & India

Career Area: Engineering

Work Location Model: On-Site