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 trailsVendor & 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 communicationFraud 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 standardsStakeholder Collaboration
Working closely with P2P, Procurement, Operations and Finance teams
Reconciling supplier statements and identifying improvements in processes
Participating in optimisation and testing initiativesWhat you’ll bring
Personal qualities
Meticulous attention to detail
Ethical, trustworthy and calm under pressure
Collaborative with a strong customer‑service mindsetSkills & 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 skillsExperience & 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 deadlinesWho 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 opportunitiesWe’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 tosupportyou.
Ready to build your future?
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 opportunitiesWe’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