Senior Administrator Billing & Queries

Senior Administrator – Billing & Queries

Job Introduction

At Tarmac, we are committed to building a more sustainable future through innovation,collaborationand 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’llwork closely with internal stakeholders and external customers tomaintainhigh standardsof service, dataqualityand operational efficiency.

WhatYou’llBe Doing

In this role, you willbe responsible for:

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 toidentifyroot causes
Maintainingaccuraterecords 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 asrequired
Managing documentation and supporting continuous improvement in billing processes
Building effective working relationships with internal teams and external customersKey Competencies

To be successful in this role, you willdemonstrate:

Strong attention to detail anda high levelof accuracy
Excellent organisational andtime managementskills
Clear and confident communication skills
Strongproblem solvingand 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 toolsThe Ideal Candidate

The ideal candidate will be:

Proactive,organisedand able to work independently
Comfortable handling complex queries and large volumes of data
Experienced in a finance,billingor shared services environment
Confident liaising with stakeholders at all levels
Committed to continuous improvement and process efficiency
A strong teamplayer with a positive and professional approachQualifications & Experience

You will ideally have:

Proven experience in a billing, financeadministrationor 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,complianceand control requirements
A relevant qualification (such as AAT, NVQ, or equivalent experience) would be advantageousWhy 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) we currently have nine communities inc.(REACH) Religious, Ethnic, Cultural Heritage, LGBTQ+, Parents & carers, Ability, Wellbeing, Female voice and menopause
Training and development opportunitiesTarmac 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!

#Tarmac #TarmacCareers

Tarmac Trading Limited