Customer Invoicing Administrator - Self Bill FTC

  • DS Smith
  • Caerphilly, Mid Glamorgan
  • Mar 10, 2026
Full time Administration

Job Description

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.

What you'll be doing

  • 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.

Benefits

  • A competitive salary and discretionary bonus

  • 25 days' holiday + bank holidays, plus banked hours

  • Hybrid working: 3 days in the office, 2 from home

  • Pension scheme, life assurance, income protection

  • Employee assistance programme and digital GP access

  • Cycle to work scheme and discounts on shopping, travel and more

Location: Caerphilly - we operate on a hybrid basis, with 3 days in the office and 2 at home

About us

We're DS Smith, the company who are redefining packaging for a changing world. We believe a better, more sustainable tomorrow is possible with the right people, who challenge and support one another to enact positive change. Today, we operate in more than 30 different countries, supporting customers across sectors like FMCG, industrial, and e-commerce. We deliver on quality, service, innovation, and added value to deliver market-leading sustainable packaging solutions our customers need. Our industry needs to transform, and we're building the team to drive change across Europe and North America

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.