Accounts Payable Assistant

The Accounts Payable Department currently processes around 18,000 invoices in our ERP system COINS using both a 3‑ and 2‑way matching system. Suppliers are currently being migrated to both electronic invoicing and robotic processing automation (RPA) to improve efficiencies and ensure procedures are scalable to meet business need requirements.

Taking full responsibility of the life of a transaction (end‑to‑end process), the Accounts Assistants provide an excellent service to suppliers, ensuring the purchase ledger function within the Carey Group is valued by internal and external customers.

Aston Clinton, Aylesbury – Hybrid 3 days per week in office.

Final date to receive applications January 31, 2026. Department Accounts and Finance.

Employment Type

Permanent – Full Time. Location Aston Clinton. Workplace type Hybrid. Reporting To Jane Rimmer.

• Accurate and timely recording and processing of supplier invoices onto COINS/ERP System
• Matching purchase invoices to orders and delivery notes using 2‑ and 3‑way matching
• Ensuring all invoices in query are escalated to relevant internal stakeholders and suppliers
• Recording weekly progress updates on COINS with supporting documentation
• Processing e‑Invoicing and query management
• 100 % monthly statement reconciliations recorded on control sheets
• Supplier reporting/overview
• Ad hoc departmental administration duties as required

• Ability to work with high volume data, adopting a ‘right first‑time' approach to entry
• Ability to multi‑task across suppliers and entities, ensuring correct approval processes
• Time to clear invoices & query resolution within SLA
• 100 % monthly statement reconciliation for Credit Card & Direct Debit suppliers and timely costings
• Expenses are approved in line with T&E policy and SLAs

• Ability to be trusted and confided in with sensitive business information
• Self‑aware – takes personal accountability for delivery, acts as a cultural ambassador and champion
• Proactive ‘self‑starter’ – applies focus, resourcefulness, autonomy, integrity and discipline
• Communicates with impact – respect, mutual understanding, empathy and confidence
• Flexibility and willingness to travel/work remotely and across regional offices, or work additional hours as the role requires
• Responds positively and readily adapts to an evolving work environment, remaining confident and calm under pressure
• Collaborative – seeks connection with others to arrive at solutions and gain insights through building positive relationships within a multidisciplinary team

• Proficiency in Microsoft Office and COINS/ERP systems, with aptitude to learn new software and systems
• Advanced SAP Concur experience
• Intermediate Excel skills (including vlookups, pivot, identifying duplicate entries)
• Highly developed organisational and administrative skills – proven ability to meet tight deadlines, plan and prioritise workloads, and execute high‑quality, timely services
• Excellent eye for detail and high level of accuracy
• Strong relationship‑building skills and the ability to effectively support internal and external customers/stakeholders
• Excellent verbal and written communication skills, at all levels
• Problem‑solving – confidently identifies and articulates problems, presenting effective solutions and setting clear expectations and defined outcomes for self and others
• Mathematical mindset, with previous experience within an Accounts Payable role (ideally within the construction industry)
• Understanding and experience in supporting governance frameworks

• Agile working arrangement Aston Clinton and from home, if required
• 37.5 hours per week (8.30am – 5.30pm, Monday to Thursday with a 4.30pm finish on a Friday)
• Competitive salary and benefits, including pension, healthcare and car allowance
• 26 days holiday per annum + bank holidays
• Optional benefits via ‘My Perks’: dining card, gym membership, cycle to work, holiday trading (buy or sell up to 4 days), health cash plan, dental and critical illness insurance, partner life assurance, car leasing and discounts & cashback
• You’ll be joining a brilliant team who are lots of fun, have a wealth of knowledge…