Graduate Mechanical Engineer

Project:
Sellafield – Programme and Project Partners (PPP) Contract Type:
Permanent About Altrad

Altrad is a leading provider of critical infrastructure services, supporting the safe, secure, and sustainable delivery of the UK’s most important assets.

With over 11,000 talented people worldwide, we deliver engineering, construction, and maintenance solutions across highly regulated sectors including nuclear, defence, energy, and industrial environments. At Sellafield, Altrad is a key delivery partner within the PPP programme
, supporting long-term nuclear decommissioning and hazard reduction activities.

We are seeking motivated and technically capable Graduate Mechanical Engineers to support mechanical engineering activities across the Sellafield PPP programme.

This is a site-based role within an operational nuclear licensed site, offering hands‑on exposure to mechanical design implementation, construction, and installation in a highly regulated and safety‑critical environment. You will work as part of an integrated PPP delivery team, supporting the safe and efficient delivery of mechanical systems, while following a structured graduate development pathway toward professional accreditation and Chartered status
.

• Support the delivery of mechanical engineering activities across PPP work packages
• Assist with the implementation of mechanical designs, specifications, and work packs on site
• Support installation, inspection, testing, and commissioning activities for mechanical systems
• Prepare and review technical documentation, including drawings, method statements, and reports under supervision
• Liaise with multidisciplinary teams, subcontractors, and client representatives to ensure safe and efficient delivery
• Participate in site walkdowns, inspections, and progress reviews
• Ensure mechanical works comply with Sellafield Ltd requirements, nuclear site licence conditions, and company procedures
• Promote a strong safety culture and adherence to health, safety, and environmental standards
• Support continuous improvement and defect resolution activities
• Actively engage in graduate training, mentoring, and professional development activities

• Bachelor’s degree (or higher) in Mechanical Engineering or a related discipline
• Strong interest in mechanical engineering within nuclear or highly regulated environments
• Good technical understanding, problem‑solving, and analytical skills
• Effective communication skills and ability to work with multidisciplinary site teams
• Ability to manage multiple tasks and meet deadlines in a site‑based delivery environment
• Competent in Microsoft Office applications (Excel, Word, PowerPoint); exposure to mechanical design or project tools is desirable but not essential
• Previous industrial placement, site experience, or mechanical construction exposure is advantageous but not essential

Due to the nature of the Sellafield site and PPP programme:

• Applicants must be Sole British Nationals
• Applicants must be eligible to obtain UK Security Clearance

• Contribute to one of the UK’s most significant nuclear decommissioning programmes
• Gain long‑term experience delivering mechanical engineering works within a PPP delivery model
• Structured graduate development programme with mentoring and professional support
• Competitive salary and benefits package
• Clear career pathways toward Chartered Mechanical Engineer status
• A professional, collaborative, and safety‑driven working environment