Office Administrator

Job Title: Senior Administrative Assistant Location: Newhaven, East Sussex Hours: 6 hours per day, 3 days per week (part-time) About the Role A small but well-established heating and services company based in Newhaven is seeking a highly organised and experienced Senior Admin Assistant to support its growing team. This is an excellent opportunity for someone who enjoys taking ownership of office administration, improving processes, and ensuring the smooth day-to-day running of the business. The role is office-based and offers flexible part-time hours across three days each week. Key Responsibilities Managing daily admin operations and supporting the management team Handling incoming calls, emails, and customer enquiries professionally Coordinating schedules, appointments, and job bookings Maintaining accurate records, documents, and filing systems Preparing reports, invoices, and correspondence Supporting accounts administration, including basic bookkeeping tasks Assisting with compliance paperwork and company documentation Helping improve office systems and admin processes About You We're looking for someone who is proactive, reliable, and experienced in a senior administrative or office support role. Essential skills and experience: Previous experience in a senior administrative or office management role Excellent organisational and time-management skills Strong communication and customer service abilities Confident using Microsoft Office and office management systems Ability to work independently and prioritise tasks effectively High attention to detail and professionalism Desirable: Experience working in a trade, construction, or service-based business Basic accounts or invoicing experience Whats on Offer Part-time schedule with excellent work-life balance Friendly and supportive working environment Opportunity to play a key role in a growing local business Competitive pay based on experience Unfortunately sponsorship is not available for this role. How to Apply To express interest in this position, please apply through the job platform where you found this advert and include your most recent CV. Shortlisted candidates will be contacted for the next stage.