Mechanical Engineer

AECOM Croydon, England Posted Apr 8, 2026

Full Time
Hybrid

Job description

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

Job Summary:

Our Building Services team are seeking a Mechanical Engineer to join the Building Services Design Consultant Engineering team based in our Croydon office to help support the delivery of project work.

About the role:

We are seeking an enthusiastic self-motivated person who has excellent written and verbal communication skills and who wants to make a difference in the electrical engineering field of building services as well as being involved with all other disciplines. We are specifically looking to appoint an electrical engineer who has a minimum of 3 years of experience in electrical building services design. Some design experience and knowledge is required for heating and cooling pipework systems, ventilation systems and control systems. We have a number if in-house digital tools which the engineer will be trained to use. Experience in using building services engineering software, Autodesk Revit, and a willingness to learn as a mechanical building services engineer are all essential.

About the Office & team:

The Croydon MEP team currently consists of approx. 16 engineers, with the intention of growing over the next few years.

The team works very closely with our St Albans and London offices and the candidate maybe required to work in these offices from time to time and resources being shared both ways to ensure teams are supported when needed.

The Croydon office MEP team have an established track record of successfully delivering local and regional projects. Some of our flagship work in recent years include;

No 1 Knightsbridge, One Braham, Sackville House, Lots Road Powerhouse, London Ambulance Services South London 11 Control Centre; Tower Bridge; London Power Tunnel 2; Snowdonia VIP Cable Tunnel to name but a few. We are also working on a number of public and private sector decarbonisation schemes.

Job Responsibilities:

  • Supporting multiple projects and teams with direct design and delivery activities for all phases of a project or a number of projects.

  • Performs specific and limited portions of a broader assignment of an experienced engineer

  • Gathers and correlates basic engineering data using established and well-defined procedures

  • Works on detailed or routine engineering assignments involving calculations

  • Proposes approach to solve new problems encountered

  • Identifies discrepancies in results

  • Provides guidance to trainee engineers

  • Performs work in accordance with agreed time frame with supervision

  • Contributes to the development of technical proposals

  • To support and lead our 3D and BIM capabilities.

  • Minimum Requirements:

  • Knowledge and experience of mechanical building services calculations and design

  • A highly motivated individual able to quickly grasp new concepts and design tools

  • Ability to speak fluently and communicate effectively in written reports and oral presentations.

  • Relevant experience in building services electrical engineering design, including areas such as specification writing, calculations, and developing. Conversant with UK codes and practices.

  • Qualifications

    BSc or BEng in an Engineering degree or MEng in an Engineering degree with engineering accreditation or equivalent combination of education and experience.

    Registered as a Member with a professional institution and follows a training plan towards the intended professional registration with either the Institute of Mechanical Engineers or the Chartered Institute of Building Services Engineers.

    Existing BPSS or SC preferred

    Additional Information

    About 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 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, benefits and well-being programs to meet the diverse needs of our employees and their families. 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: J10148906

    Business Line: B&P - Buildings & Places

    Business Group: DCS

    Strategic Business Unit: Europe & India

    Career Area: Engineering

    Work Location Model: Hybrid

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