Administrative Assistant

S&J specialise in wet room fit-outs and are now expanding into larger construction projects across various sectors. As our company grows, we are seeking a proactive and organised Office Administrator to join our dynamic team and play a key role in supporting our operations. This is a long‑term opportunity for the right person to grow within the company and develop their skills into broader aspects of our start‑to‑finish job process, with training and development supported along the way.

We are looking for an Office Administrator to join our small and friendly team in Southampton. The ideal candidate would have at least one year of previous administration experience and must be a strong communicator with a confident verbal/telephone manner and a high level of attention to detail and accuracy.

• Managing incoming calls, handling enquiries, and recording accurate messages.
• Monitoring and managing the admin email inbox, ensuring timely responses and task follow‑ups.
• Scanning, filing and assisting the organisation with completion of customer paperwork.
• Maintaining internal control records and processes such as insurance, training matrix & procedures, to ensure compliance.
• Taking deliveries of stock and materials, checking against purchase orders and monitoring stock levels.
• Assisting with purchasing, customer quotes, invoices and tracking job progress.
• Liaising with contract managers for payment approval.
• Maintaining accurate subcontractor records and ensuring smooth onboarding.
• Maintaining and updating Health & Safety folders for all live jobs.
• Providing general administrative support to the team.
• Option to attend training courses to support your professional development.

• At least one year of experience in an office environment – this is not a remote role.
• Previous experience in administration.
• Strong IT skills, including proficiency in Microsoft Office programs including Outlook, Word and Excel.
• Use of cloud filing systems.
• Strong communication and organisational skills.
• A proactive and positive approach, with the ability to remain calm under pressure.
• Forward thinking and self‑motivated.

• Experience working in a similar industry.
• Experience with the Construction Industry Scheme (CIS).
• Experience of writing procedures and policies.
• Experience in putting together risk assessments/ health & safety reporting.

• A supportive and friendly team environment.
• Career progression and development opportunities.
• Access to training courses and certifications.
• The chance to grow with a company that values initiative and dedication.