Senior Mechanical Engineer – Nuclear

Overview

In this role you will lead the design and delivery of high-specification mechanical systems for nuclear projects, aligning with safety, quality, and environmental standards. You will work within the Nuclear team on international and UK initiatives, engaging with clients, bidding, and guiding projects from concept to completion. You’ll mentor juniors, manage timelines, and ensure regulatory compliance while collaborating with cross-functional engineers to drive impactful outcomes. This role offers exposure to complex, multi-disciplinary programmes and a strong focus on sustainable, safe engineering.

Pay / Benefits

• hybrid working model
• career development opportunities
• AECOM University
• volunteering days
• comprehensive benefits package
• flexible working arrangements

Responsibilities

• Oversee engineering design and project activities in line with approved models
• Mentor and manage junior team members to ensure timely delivery
• Perform comprehensive design work including 3D modelling, functional calculations, and manufacturing documentation
• Apply expertise in fissile materials handling, 3D CAD systems, and data management
• Contribute to all project phases from mechanical sketches to commissioning and reviews
• Collaborate with Project Managers to estimate timelines, flag delays, and communicate scope changes
• Support HSE standards and participate in QA audits, reporting non-conformities as needed

Key requirements

• Bachelor’s Degree in Mechanical Engineering
• Chartered Engineer status (CEng) or working towards it
• Significant mechanical engineering experience in nuclear/oil & gas/pharma/utilities sectors
• Proven experience delivering complex engineering projects from design to completion
• In-depth knowledge of sector standards, regulations, and best practices
• Strong communication skills and ability to work autonomously in a deadline-driven team

• Exceptional communication
• Self-motivated and autonomous
• Willingness to learn and adapt
• 3D modelling
• Functional calculations
• Manufacturing documentation

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