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

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Customer Invoicing Administrator – Self Bill (6-months Fixed Term Contract)
Customer Invoicing Administrator – Self Bill (Fixed Term Contract)
Location: Caerphilly (Hybrid options available) Department: Finance / Accounts Receivable Duration: 6 months Fixed Term Contract Salary: Competitive + Benefits
About the Role
We are seeking 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 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
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Why you're a good match
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About You
We’re looking for someone who brings:
- A positive attitude
- Strong organisational skills
- A commitment to accuracy
Key requirements:
- 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
- A purpose-driven workplace focused on redefining packaging for a changing world


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Our values include:
"We aim to build a diverse, motivated, and engaged workforce. We are committed to creating a culture of inclusion where everyone is treated fairly, differences are valued, and everyone has an equal opportunity to succeed."
We welcome all candidates to apply, even those not meeting all criteria.
About DS Smith & our Teams
We are DS Smith, a global leader in sustainable packaging solutions and fibre-based products. Together with International Paper, we employ over 60,000 colleagues across North America and Europe, the Middle East, and Africa (EMEA).
Our expertise spans areas such as innovation, manufacturing, design, sales, sustainability, and supply chain, all driven by our purpose:
"To redefine packaging for a changing world."
Do your best work with the most motivated, innovative, and sustainable company in packaging. As part of the transition process, you may engage with both DS Smith and International Paper teams.
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