
Business Administrator
About Us
Established over 25 years ago, Specialist Security Co has built a strong reputation as a trusted provider of security services throughout South Wales. We pride ourselves on delivering exceptional service to our customers and fostering a positive, professional workplace for our team.
As our business continues to grow, we are looking for an organised and proactive Office Administrator to join our team in Cardiff. This is an excellent opportunity for someone who enjoys variety, takes pride in keeping things running smoothly, and wants to play a key role in supporting a successful and growing business.
About the Role
The Office Administrator plays a vital role in ensuring the smooth day-to-day operation of our office. You will be the first point of contact for visitors, customers, and suppliers, while providing administrative support across several areas of the business including Operations, HR, Finance, and Health & Safety.
This is a varied and rewarding role that requires strong organisational skills, attention to detail, and a positive, can-do attitude.
Key Responsibilities
- Manage incoming emails, post, and correspondence, ensuring they are distributed promptly.
- Answer and direct incoming telephone calls, taking messages where required.
- Provide day-to-day administrative support to office staff.
- Assist with HR administration, including annual leave records, sickness tracking, employee correspondence, and new starter vetting.
- Provide administrative support to the Finance function, including debtor follow up, issuing statements, and maintaining records as required.
- Monitor and manage correspondence relating to Office for National Statistics (ONS), government, and other statutory business surveys, maintaining an internal calendar of submission deadlines and ensuring returns are completed and submitted on time.
- Assist with employee screening and vetting processes, including right to work checks, reference requests, employment history verification, licence checks, and maintaining accurate vetting records.
- Assist with the preparation and administration of monthly payroll, including collating timesheets, processing payroll changes, maintaining employee records, and supporting payroll queries.
About You
We’re looking for someone who is organised, reliable, and enjoys helping others. You will be comfortable managing multiple priorities and confident communicating with people at all levels.
- Excellent verbal and written communication skills.
- Strong organisational and time-management abilities.
- High level of accuracy and attention to detail.
- Proficiency in Microsoft Office applications, including Outlook, Word, and Excel.
- Ability to prioritise workload and work independently.
- Professional and friendly telephone manner.
- Previous experience in an administrative, office support, or receptionist role.
- Experience supporting HR, Finance, or Health & Safety administration.
- Ability to speak Welsh.
- Positive, professional, and approachable.
- Proactive and willing to take ownership of tasks.
- Strong team player who enjoys supporting colleagues.
- Adaptable and eager to learn new skills and systems.
- Trustworthy and able to handle confidential information appropriately.
Why Join Specialist Security Co?
At Specialist Security Co, every team member plays an important role in our success. You’ll join a supportive and established business where your contribution is valued, your ideas are welcomed, and you’ll have the opportunity to develop your skills while working closely with experienced colleagues.
If you’re an organised and enthusiastic administrator looking for a varied role within a growing South Wales business, we’d love to hear from you.
Apply now to become part of our team.
Benefits:
- Company pension
- Free parking
- On-site parking
Work Location: In person

Specialist Security Co Ltd is a privately owned business established over two decades ago. We provide manned security services to the public and private sector.
Specialist Security is an inclusive, highly accredited business that deploys well trained, directly employed officers, delivering security for the community, by the community.
