Billing & Admin Specialist

Rullion Managed Services; Manchester; Hybrid; GBP 60,000 - 80,000; Part time

Job summary

A recruitment organization is seeking a Billing & Admin Specialist in Manchester. This role focuses on managing disputes and ensuring compliance with GSCOP standards. The ideal candidate will possess strong analytical and detail-oriented skills, with proficiency in Excel and SAP. Responsibilities include investigating disputes, correcting invoices, and documenting processes effectively. Working hours are flexible with a hybrid model requiring one day in the office. This position is essential to improving SLA performance and reducing the backlog of disputes.

Qualifications

• Detail-oriented and analytical professional.
• Proficient in Excel for reconciliations and reporting.
• Ability to work under pressure while meeting targets.

Responsibilities

• Manage and resolve GSCOP supplier disputes.
• Review disputed invoices and correct discrepancies.
• Maintain accurate documentation in Excel.
• Produce MI reports on dispute volumes for stakeholders.

Skills

Active Listening

Attention to Detail

Analytical Skills

Excel Proficiency

Ability to Work Under Pressure

Adaptability

Tools

SAP

Excel

Job description

Billing & Admin Specialist - DISPUTES

Location: Manchester

Salary: 15.00 per hour (weekly pay) PAYE

Job Type: 3 Months

Working Hours: Monday-Friday, 9:00-5:00 or 8:30-4:30. Flexible working available. 1 day in the office (Tuesday) required. Hybrid

Checks: DBS and Basic Credit Check

Training: 1-2 weeks in the office

We are seeking detail-oriented and analytical professionals to support the Billing & Admin Specialist in managing and resolving GSCOP supplier disputes relating to food promotional invoicing. The role involves investigating disputes raised via the Client Connect portal, validating promotional charges, correcting inaccuracies, and ensuring full compliance with GSCOP regulations. This position is key to improving SLA performance, strengthening controls, and reducing the backlog of disputes.

Key Responsibilities

• Manage and resolve GSCOP supplier disputes raised through the Client Connect portal.
• Review disputed invoices, identify pricing discrepancies, and action corrections.
• Ensure updates are accurately reflected in Cedar and internal systems; raise new invoices or credit notes where required.
• Investigate branch charging, confirm if funds were distributed to stores or FRTS, and coordinate recoupment.
• Work through a backlog of promotional invoice disputes, ensuring compliance with GSCOP standards.
• Maintain accurate documentation in Excel and legacy systems.
• Use SAP to attach and store supporting documentation for revised invoices.
• Produce MI reports on dispute volumes, progress, and trends for senior stakeholders.
• Support improvements to SLA and KPI performance through accurate processing and proactive issue identification.

What We're Looking For

• Strong Active Listening Skills to understand client needs effectively.
• Attention to Detail in all invoice and dispute documentation.
• Analytical Skills to identify errors and determine correct outcomes.
• Strong Excel Skills for reconciliations, validations, and audit-ready reporting.
• Ability to Work Under Pressure while meeting multiple targets.
• Adaptability & Multitasking in a high-volume, target-driven environment.

Company Information

This contract vacancy is being advertised by Rullion Ltd.

Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands to SMEs and start-ups. As a family-owned business, Rullion's approach is credible and honest, focused on building long-lasting relationships with both clients and candidates.

Rullion is a forward-thinking recruitment company that specialises in providing a wide range of talent consultancy services to a diverse client base; from small start-ups to large household names.

We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.