Senior Administrator – Billing & Queries
Job Introduction
At Tarmac, we are committed to building a more sustainable future through innovation, collaboration and operational excellence.
We're looking for a detail-focused Senior Administrator who wants to do more than process transactions—someone who sees every query as an opportunity to improve the customer experience and every process as a chance to work smarter. As part of our Shared Service Centre, you'll bring your billing expertise to a role where accuracy matters, but so does your ability to spot patterns, solve problems and contribute ideas that help us continuously evolve how we work. You'll be joining a team that values collaboration, quality and getting things right—while staying open to finding better ways forward. If you're someone who takes pride in your work, enjoys being a trusted go-to person for complex queries, and wants to be part of a business that's always looking ahead, this could be the perfect next step.
About The Role
The Senior Administrator – Billing & Queries plays a key role in ensuring accurate billing, timely resolution of customer queries and strong support to the wider finance and collections teams. You will act as a point of expertise within billing administration, dealing with complex transactions while ensuring compliance with internal controls and audit requirements. You’ll work closely with internal stakeholders and external customers to maintain high standards of service, data quality and operational efficiency.
What You’ll Be Doing
* Leading and developing a team of 2 direct reports
* Processing customer billing accurately and in line with company policies and deadlines
* Managing and resolving billing and invoice queries within agreed service levels
* Investigating discrepancies and liaising with internal teams to identify root causes
* Maintaining accurate records and supporting audit and compliance requirements
* Supporting the collections team by ensuring billing data is correct and up to date
* Producing reports and providing information to stakeholders as required
* Managing documentation and supporting continuous improvement in billing processes
* Building effective working relationships with internal teams and external customers
Key Competencies
* Strong attention to detail and a high level of accuracy
* Excellent organisational and time management skills
* Clear and confident communication skills
* Strong problem solving and analytical capability
* A customer-focused approach with a collaborative mindset
* Ability to manage multiple priorities in a deadline-driven environment
* Confidence using finance systems and Microsoft Office tools
The Ideal Candidate
* Proactive, organised and able to work independently
* Comfortable handling complex queries and large volumes of data
* Experienced in a finance, billing or shared services environment
* Confident liaising with stakeholders at all levels
* Committed to continuous improvement and process efficiency
* A strong team player with a positive and professional approach
Qualifications & Experience
* Proven experience in a billing, finance administration or transactional role
* Experience working within a shared services or high-volume processing environment
* Strong working knowledge of financial systems and Microsoft Office (Excel essential)
* An understanding of audit, compliance and control requirements
* A relevant qualification (such as AAT, NVQ, or equivalent experience) would be advantageous
Why Tarmac
We don't just offer a job, we offer a career. Alongside this role, you'll have access to industry-leading rewards, development opportunities, and a culture that puts people first, including:
* Bonus scheme
* Enhanced holiday entitlement
* Contributory pension scheme
* Access to the Tarmac Reward website with discounts on retailers, holidays, etc.
* Access to our Employee Assistance helpline for free and confidential advice
* Access to join our Employee Communities (employee networks)
* Training and development opportunities
Tarmac is committed to being a Forces‑friendly employer. If you’re coming from a military background, we’ll support your transition and help you build a successful career with us. We’re proud to be part of CRH, and even prouder to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone. If you need any reasonable adjustments during the recruitment process, just let us know, we’re here to support you.
Ready to build your future?
Click ‘Apply’ to get started. Please note: we sometimes close roles early due to high interest, so don’t wait too long!
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Tarmac Trading Limited
Job Reference tarmac/TP/117/7700
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