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Administration Assistant

Riverside Recruitment

Seascale, Cumbria, United Kingdom Full-time June 22, 2026
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Opportunity Description

Administration Assistant (Part Time)
📍 Sellafield

🕒 Tuesday, Wednesday & Thursday | 8:30am – 5:00pm

🏢 Site Based 

📄 Fixed Term Contract – Up to 12 Months

🚀 Immediate Start Available

We are currently recruiting for an Administration Assistant to join our client’s project team based in Sellafield. This is an excellent opportunity for an experienced administrator to support a busy project environment within one of the UK's most highly regulated sectors.

Working closely with project managers and operational teams, you will provide essential administrative support, ensuring compliance records, training documentation, project paperwork, and general administration are maintained to the highest standard.

As an Administration Assistant, you will play a key role in supporting the smooth delivery of project activities across the Sellafield site. This is a varied position requiring excellent organisational skills, strong attention to detail, ...
Full-time management

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