Costain
Administrator
Skills
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.
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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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