Customer Invoicing Administrator – Self Bill (6-months Fixed Term Contract)

6 months Fixed Term Contract Location: Caerphilly (Hybrid options available) Department: Finance / Accounts Receivable Salary: Competitive + Benefits About the Role We are looking for a proactive and detail‑driven Customer Invoicing Administrator – Self Bill to join our Accounts Receivable team. This role is central to ensuring accurate, timely, and compliant invoicing for our self‑bill customers. You will work closely with internal teams and external partners to maintain invoice integrity, resolve discrepancies, and support efficient cash collection processes. This is a great opportunity for someone who thrives in a fast‑paced environment, enjoys problem-solving, and is passionate about delivering an exceptional internal and external customer experience. Key Responsibilities Manage the end‑to‑end self‑billing process for allocated customer accounts. Ensure invoices are generated accurately and in line with agreed contractual terms. Validate customer‑provided data and reconcile any discrepancies promptly. Maintain accurate records and audit trails for compliance and reporting. Collaborate with the wider AR Collections team to support cash allocation and query resolution. Investigate and resolve any pricing, quantity, or PO issues impacting billing. Monitor invoice submissions to ensure all deadlines and customer-specific requirements are met. Support month-end and year-end processes as required. Build strong relationships with customers and internal colleagues across Finance, Sales, and Operations. About You We’re looking for someone who brings a positive attitude, strong organisational skills, and a commitment to accuracy. You will also have: Proven experience in invoicing, billing, accounts receivable, or a similar administrative/finance role. High levels of attention to detail and data accuracy. Excellent verbal and written communication skills. Confidence working with numbers and financial documents. Strong IT proficiency, especially in Excel and finance systems (experience with ERP platforms a bonus). Ability to prioritise workloads and meet deadlines. A collaborative mindset and willingness to support team objectives. What We Offer A supportive and friendly team environment. Opportunities for learning and career development. Hybrid working arrangements once fully trained. Competitive salary and comprehensive benefits package. The chance to be part of a growing and continuously improving finance function. To fulfil our purpose of redefining packaging for a changing world, we aim to build a diverse, motivated, and engaged workforce. Our goal is to create a culture of inclusion where everyone is treated fairly, differences are valued, and everyone has an equal opportunity to succeed. Our people come from diverse backgrounds, bring different perspectives, ideas and experiences to generate unique solutions focused on present and future sustainability challenges. We welcome all candidates to apply, even those not meeting all criteria. #LI-TG