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Administrator

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Onsite

Administrator

Costain

Administrator

Skills

SAP Concur

8 days ago

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Important information


Contract type:

Permanent, Part time

Location:

Wales, UK

Work mode:

Onsite

Published on:

14 October 2026

What they need


This is a part time permanent opportunity, 3 days per week Monday to Wednesday. The role will involve providing general administrative support to the Trawsfynydd team. The role is based on site at Trawsfynydd.

#LI-ES1

  • Responsibilities: Performing administrative duties to help the office run smoothly and efficiently

    Provide support to senior team members and the wider team

    Being the first point of contact for guests and visitors

    Answer phone calls and manage emails, directing queries to the appropriate staff members

    Creating documents including spreadsheets and PowerPoint documents as required

    Keeping workspaces, files and information organised and accessible

    Handling basic data entry

    Supporting meetings, events and collating packs as needed

    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

    EnterpriseOne

    SourceDogg

    Concur

  • Qualifications: Essential

    English and Maths GCSE Level 5 or equivalent

    Desirable

    NVQ level 2 in Business Administration

About us: Costain helps to improve people’s lives with integrated, leading edge, smart infrastructure solutions across the UK’s energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK’s leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future-shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.

We do share individual feedback following an interview .

A Disability Confident employer will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer.

It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people.

For more details please go to the Disability Confident website:
https://www.gov.uk/government/collections/disability-confident-campaign

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