Invoice Processing Administrator

Invoice Processing Administrator

Are you detail‑driven, proactive and passionate about getting things right first time? Do you thrive in a fast‑paced finance environment where accuracy, communication and teamwork really matter? If so, we’d love you to join us as an Invoice Processing Administrator within our high‑performing P2P team at Tarmac.

Why this role matters

As an Invoice Processing Administrator, you’ll report into the Accounts Payable Lead and play a crucial part in ensuring that supplier invoices are processed accurately, efficiently and in line with our internal controls. You’ll be at the heart of maintaining strong vendor relationships, supporting internal teams and helping safeguard the business against financial risk

No two days are the same—whether you're resolving invoice discrepancies, spotting potential fraud risks, or collaborating with colleagues across Finance, Procurement and Operations to keep everything running smoothly.

What you’ll be doing

Invoice Processing

Reviewing and processing invoices that fail automated matching
Investigating discrepancies, including price, quantity and PO mismatches
Checking CIS‑eligible invoices for accurate tax treatment
Processing non‑PO invoices in line with internal approval workflows
Assigning invoice queries and maintaining accurate audit trails

Vendor & Mailbox Management

Managing the shared invoice mailbox with timely, professional responses
Guiding vendors on corrections for non‑compliant invoices
Building positive external relationships through clear, consistent communication

Fraud Prevention & Compliance

Acting as the first line of defence against payment fraud
Ensuring compliance with fraud prevention procedures
Supporting audits and maintaining adherence to financial controls and P2P standards

Stakeholder Collaboration

Working closely with P2P, Procurement, Operations and Finance teams
Reconciling supplier statements and identifying improvements in processes
Participating in optimisation and testing initiatives

What you’ll bring

Personal qualities

Meticulous attention to detail
Ethical, trustworthy and calm under pressure
Collaborative with a strong customer‑service mindset

Skills & Competencies

Strong understanding of P2P processes

Experience with invoice matching and exception handling
Knowledge of financial controls and CIS rules
Confident communicator (written and verbal)
Familiarity with ERP/invoice systems; SAP is a bonus
Excellent time management and prioritisation skills

Experience & Education

Experience in invoice processing or similar finance roles
Skilled in Excel and comfortable working with SAP
Proven ability to manage multiple priorities and meet deadlines

Who you’ll be working with

You’ll be part of a supportive P2P function that includes Accounts Payable Administrators, Purchase Order Administration, Business Partners, SOX & Technical, and more. You’ll also liaise regularly with Operational Teams, Procurement, IT, Vendors and Auditors.

About Tarmac

Tarmac is the UK’s leading sustainable building materials and construction solutions company—supporting major infrastructure and construction projects with expertise, quality and innovation.

Ready to apply?

If you're passionate about accuracy, love solving problems, and enjoy being part of a collaborative finance environment, we’d be delighted to hear from you.

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) we currently have nine communities inc.(REACH) Religious, Ethnic, Cultural Heritage, LGBTQ+, Parents & carers, Ability, Wellbeing, Female voice and menopause
Training and development opportunities

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.

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