Sales & Accounts Admin Specialist

Thompson; Belfast City District; Hybrid; GBP 18,000 - 24,000; Full time

Job summary

Thompson in Belfast is seeking a Sales Administration Assistant to support financial processes and customer service across the sales ledger.

You will process invoices, verify payments, maintain records, and help with month-end tasks, while ensuring GDPR compliance and accurate documentation.

This role requires attention to detail, strong organisation, and good communication within a small team in a busy office.

Qualifications

• Minimum five GCSEs including English and Maths.
• Two years' experience in an office or admin role.
• NVQ Level 3 or equivalent qualification in business/finance.
• Proficient with Excel and finance software.
• Flexible for month-end and busy periods.
• Careful handling of GDPR data.

Responsibilities

• Process customer invoices and credit notes accurately.
• Handle phone payments and reconciliations.
• Maintain customer account records and support audits.
• Assist with sales ledger, purchase ledger and wider accounts tasks.
• Ensure compliance with GDPR and company policies.
• Provide support during busy trading periods.
• Organise and file documentation to support audit trails.
• Communicate effectively with colleagues and customers.

Skills

Attention to detail

Organisational skills

Communication

GDPR compliance

Teamwork

Initiative

Excel proficiency

Financial administration

Education

GCSEs including English & Maths

NVQ Level 3 Diploma in Business/Finance Administration

Tools

Excel

Job description

Thompson in Belfast is seeking a Sales Administration Assistant to support financial processes and customer service across the sales ledger.

You will process invoices, verify payments, maintain records, and help with month-end tasks, while ensuring GDPR compliance and accurate documentation.

This role requires attention to detail, strong organisation, and good communication within a small team in a busy office.