Graduate Mechanical Engineer (Nuclear) Warrington - start June 26 onwards

Due to the continued growth and expansion of our Nuclear Team in Warrington, we are looking to increase our technical workforce and are seeking to recruit a Graduate Mechanical Engineer to join our team from June 2026 onwards.

At AECOM, our Nuclear Team provide multi-disciplinary consultancy to the nuclear industry in both the nuclear new build and decommissioning sectors. In the new build sector, we are providing engineering support to the developers of the UK’s fleet of new nuclear power stations. In the decommissioning sector, which requires considerable new build to enable decommissioning, AECOM provides support to the entire Nuclear Estate in the UK, including multidisciplinary design support at Sellafield; the early-stage development of the Deep Geological Repository; design and development of waste storage and disposal facilities; and multidisciplinary design support to nuclear defence projects.

With an interesting and expanding pipeline of both international and UK based projects, as a Graduate Mechanical Engineer, you will be required to both manage and report on your packages of work with support from Senior Mechanical Engineers in the team, who will support in your continued development.

The Nuclear Team are currently engaged on a highly complex nationally significant project for a MoD client. AECOM have been engaged from RIBA 1 through to the current RIBA 3 phase. The project requires AECOM to provide multidisciplinary design and engineering expertise to collaboratively deliver the project. On this project, the mechanical team are working closely with the overall project process team and other engineering disciplines, to deliver the required mechanical handling diagrams and mechanical flow diagrams. These diagrams are being produced from models and design calculations and are assisting the overall project to outline the facilities main throughput requirements.

As a Graduate Mechanical Engineer, you will be required to both manage and project report on your package of work with support from Senior Engineers, who will support in your development. Additional responsibilities may include interfacing with client/s and managing the delivery of the projects in accordance with AECOM’s quality, safety and environmental procedures.

Responsibilities will include, but not limited to:

• 
  
• Hand sketches
  
• 3D scheme models
  
• Functional calculations
  
• Design risk assessments
  
• Directive compliance assessments
  
• Attendance to client meetings
  
• Testing activities
  
• Commissioning activities
  
• Post project review meetings
  
• Identify and report change
  
• Ensure that HSE legislation is applied at a project level
  
• Provide input to Quality Assurance audits as appropriate
  
• Report non-conformities, incidents and observations through the appropriate systems
  

At AECOM, you'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.

Here’s what we’re looking for:

• 
  
• Bachelor’s degree in mechanical engineering in an IMechE accredited University. Master’s level degree would be an advantage
  
• Previous experience in the design and delivery of a system or design project at university
  
• Provide a technical understanding of a technical subject of your choice
  
• Ability to prepare written specifications and contract documents
  
• Understanding of the IMechE code of conduct and understand the requirements of becoming a registered Member of the IMechE
  
• Previous work experience and/or membership of a group where you have had to work as a team
  
• Willing to engage in learning the relevant design tools, techniques and related methods e.g. IT systems, IT Software and by IT literate
  
• A basic understanding of design principles and ability to apply them
  
• Good written and verbal communication skills, with an ability to present technical topics to an audience
  
• Full UK driving license or equivalent that permits driving in the UK
  
• Able to meet the requirements for security clearance in the UK
  

We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at

Applicants are encouraged to apply as early as possible since CVs will be reviewed, and candidates selected on a rolling recruitment basis for an advanced offer start. Please include a covering letter with your application and provide all predicted and/or obtained academic grades. You must have permanent right to work in the UK as we are unable to offer visa sponsorship for this position. Candidates must be able to demonstrate the legal right to work in the UK and meet the requirements for Baseline Personnel Security Standard (BPSS) and security clearance in the UK. Before joining, you will be required to undergo a security vetting process and offers of employment will be subject to relevant security clearance being granted. If you are dual national, we will need you to provide details when you apply. If you have left the UK for more than 1 month in the last 3 years, we will need to understand where you went and for how long.

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. 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.

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. We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address if you would like to apply through the Disability Confident Interview Scheme. All your information will be kept confidential according to EEO guidelines.

ReqID: REF53437N

Business Line: Energy

Business Group: DCS

Strategic Business Unit: Europe & India

Career Area: Engineering

Work Location Model: Hybrid