Associate, Billing & Invoicing

At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.

We provide expert, sustainable solutions in records and information management, digital transformation services, data centers, asset lifecycle management, and fine art storage, handling, and logistics. We proudly partner every day with our 225,000 customers around the world to preserve their invaluable artifacts, extract more from their inventory, and protect their data privacy in innovative and socially responsible ways. 

Are you curious about being part of our growth stor​y while evolving your skills in a culture that will welcome your unique contributions? If so, let's start the conversation.

Job Summary
We are seeking a detail-oriented and proactive Billing Representative to join our Billing team.
The Billing Representative will be responsible for generating, reviewing, and submitting accurate invoices to clients and resolving billing discrepancies. The ideal candidate should possess strong analytical and communication skills, demonstrate accuracy in data handling, and have the ability to manage multiple tasks while maintaining attention to detail. A successful Billing Representative ensures smooth billing operations, supports financial reporting, and contributes to a positive customer experience through prompt and accurate invoice management

Key Areas of Responsibility

• Invoice Preparation & Submission: Accurately generate and submit customer invoices for services such as storage, transportation, shredding, imaging, and digital solutions in line with contract terms.

• Customer Account Management: Maintain accurate billing information, including customer master data and service details. Review and update billing records to reflect changes in customer requirements or service consumption.

• Dispute & Query Resolution: Investigate and resolve billing discrepancies or customer concerns promptly to avoid delays in payment. Collaborate with internal teams (Sales, Customer Care, Operations) to ensure resolution and process improvement.

• Compliance & Controls: Ensure invoices meet internal audit requirements, Sarbanes-Oxley (SOX) controls, and customer compliance standards. Adhere to Iron Mountain's data privacy and confidentiality guidelines.

• Month-End Activities: Support month-end close by completing billing cycles, uploading to portals, and providing necessary reports. Work closely with Finance teams to meet reporting timelines and volume accuracy.

• Reporting & Documentation: Prepare and distribute reports on billing volume, accuracy, and turnaround time. Maintain and update SOPs related to billing processes for audit readiness and knowledge sharing.

• Team Collaboration & Support: Assist with supporting colleagues during high-volume periods or special projects. Take ownership of country-specific or account-specific billing processes as required

Skills Required

• Billing systems proficiency – Experience with ERP platforms such as Oracle, Salesforce or SKP is preferred.

• Advanced Google Sheets skills – Including formulas (e.g., VLOOKUP, SUMIFS,

• ARRAYFORMULA), pivots, and data validation.

• Understanding of invoicing processes – Familiarity with billing cycles, credit & rebill procedures, PO-based invoicing, and customer-specific billing requirements.

• Data accuracy & attention to detail – Ability to review large volumes of data with high accuracy.

• Knowledge of SOX compliance & audit practices – Adherence to financial controls and documentation standards.

Qualification Required

• Bachelor's or Master's degree in Finance field (preferred).

• Minimum of 2 years of experience and a maximum of 5 year's experience in Order to Cash Billing and Invoicing process

Shift Timings will be UK Shift: 12 to 9pm OR 1 to 10pm