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Administrator

5 day weekBest Companies UK '25Onsite · Seascale, UK

The 4-day week in United Kingdom

About the role

This role will cover a range of reception & administrative duties and specific responsibilities in support of the project team.

Reporting to the Office Manager. This is a site based role, the successful candidate will be based at Sellafield Site 5 days a week.

#LI-ES1

  • Reception duties, meeting & greeting of visitors, Customers, Suppliers etc

  • Must be able to independently work (on own on reception)

  • Role will include being a building controller and holding the bleep

  • Issue access cards to visitors for the building.

  • Raise issue logs for the building as required.

  • Organisation of data into required format.

  • Compiling department reports and correspondence.

  • Creating and distributing communications, presentations, and other documentation.

  • Administration and coordination of meetings, education courses, conferences, and briefings including booking and setting up of conference rooms.

  • Liaise with other clerical members of staff and the wider team to ensure the projects are up to date, consistent and in line with company procedures.

  • Answering telephone, dealing with enquiries etc.

  • Photocopying, scanning & binding documentation.

  • Adherence to policies and procedures.

  • Supporting with document control, providing project support to the project teams & other administration duties.

Knowledge, Skills, Behaviours and Experience

Essential

  • Microsoft Office

  • Trustworthy

  • Integrity

  • Ability to question and challenge

  • Motivated

  • Team Player

  • Flexible

  • Communicating clearly, both written and verbal

  • Adaptability

  • Organised

  • Able to prioritise/ good time management

Desirable

  • Excellent communication and interpersonal skills

  • Customer service skills

Essential

  • English and Maths GCSE Level 5 or equivalent

Desirable

  • NVQ level 2 in Business Administration

About Costain

The FTSE-listed infrastructure solutions company behind UK rail, road, water and energy programmes — #9 Best Big Company to Work For in the UK (2025), 165+ live roles.

See the full profile