AECOM
Senior Mechanical Engineer - Nuclear
Senior Mechanical Engineer - Nuclear at AECOM, based in Warrington, North West England. This is a permanent role.
- Pay
- Not given by the employer
- Hours and contract
- Permanent · On site
- Location
- Warrington, North West England
- Closing date
- Sector
- Mechanical Engineer
Reference 57525062
About the role
Start here. Grow here.
Are you ready to join a team of talented engineers and shape the future of the Nuclear Industry?
Joining our established and expanding Nuclear team as a Senior Mechanical Engineer, means engaging in a diverse and growing array of both international and UK-based projects. This role offers the chance to participate in multi-disciplinary projects at various stages of the lifecycle, from client consultancy to comprehensive turn-key solutions. Your responsibilities will extend to client interaction, crafting bids and proposals, and overseeing project delivery in line with AECOM's standards for quality, safety, and environmental care.
In this key position, you'll spearhead the design and execution of sophisticated, high-specification systems, ensuring project objectives are met with precision. The role demands not only a grasp of engineering design and project management fundamentals but also a proven track record in navigating and completing complex projects effectively.
Ideal candidates will have experience within a tightly regulated field such as Nuclear, Defence, Petro-Chemical, or Offshore industries. A deep understanding of applicable Nuclear and general engineering standards, alongside adherence to legislative and regulatory requirements, is also key.
This is an exciting time for the Nuclear Team with an interesting and expanding pipeline of both international and UK based projects.
Here's what you'll do:
- Oversee engineering design and project activities, ensuring adherence to approved models
- Managing and mentoring junior team members, assigning, and ensuring delivery of tasks.
- Comprehensive design work, including 3d modelling, functional calculations, and the production of manufacturing documentation.
- Apply expertise in handling fissile materials, utilizing 3D CAD systems, and effective data management.
- Contribute to all phases of project development from mechanical sketches and scheme models to commissioning and project review meetings.
- Collaborate closely with Project Managers to estimate project timelines accurately, promptly identify potential delays, and communicate changes in project scope.
- HSE standards and contribute to QA audits, reporting any non-conformities or uphold incidents as required.
- Be part of a dynamic team that tackles challenging and impactful nuclear projects.
- Work alongside industry-leading professionals and thought leaders.
- Engage in a collaborative and inclusive work environment.
- Access to continuous learning and development opportunities.
- Competitive salary and comprehensive benefits package.
- Enjoy the flexibility to work in a way that fits your lifestyle while supporting a healthy work–life balance.
- Bachelor's Degree: A Bachelor's degree in Mechanical Engineering or a related field.
- Professional Certification: Chartered Engineer status (CEng) or working towards it.
- Significant experience in mechanical engineering, particularly within the specific industry (e.g., nuclear, oil and gas, pharmaceutical, utilities etc).
- Experience of managing and delivering complex engineering projects, from design to completion.
- In-depth understanding of the specific sector's standards, regulations, and best practices.
- Exceptional communication ability.
Come grow with us.
Become part of our dynamic nuclear team, which boasts a team of leading and innovating industry experts. Collaborate with top-tier civil, mechanical, electrical, and process engineers to deliver a variety of captivating projects, from small initiatives to large-scale ventures, all the way from concept to completion. At AECOM, you'll thrive in an inclusive and forward-thinking environment where your contributions are valued.
And let's not forget about the perks at AECOM. You'll enjoy a range of core and personalized benefits designed to support your future and well-being, customized 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.
Why Join Us:
Ready to push the limits of what's possible?
Here's what we're looking for:
The successful Senior Mechanical Engineer will have/be:
You will also be self-motivated with an ability to work both autonomously where required, with a strong sense of commitment, a willingness to learn and a desire to work in a dynamic deadline driven team environment.
At AECOM, we believe in creating a better world through innovative and sustainable solutions. If you share our vision and are ready to make a difference in the nuclear industry, we want to hear from you.
Security Clearance
Please note that our offer of employment is conditional upon your ability to meet UK security clearance requirements. This is necessary for you to work on the full range of projects requiring security clearance at AECOM Infrastructure and Environment UK Limited.
Reference: 57525062 · Posted 4 days ago · Closes 2 Dec 2026 · Listed via AECOM
Apply for this job
This role is listed via AECOM. Applications are handled on the employer's site.
Apply on employer siteOpens the employer's website in a new tab.
Signed in? Every job you apply for counts toward your weekly goal and badges. How it works
Safe applying: a genuine employer will never ask you to pay for a DBS check, training or equipment, or move you onto WhatsApp before you are hired. If this listing does, report it and do not pay anything.