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. **About the Role:** We are seeking a meticulous and highly analytical Billing & Dispute Resolution Specialist to join our Customer Excellence Team within Global Business Services. In this role, you will be crucial in ensuring accurate financial records and minimizing losses by efficiently resolving disputes related to invoicing discrepancies and inventory variances. You'll collaborate with both internal and external stakeholders, applying strong problem-solving and communication skills to investigate, reconcile, and resolve issues promptly. **Key Responsibilities:** + **Dispute Management:** + Serve as the primary contact for all invoice and inventory-related disputes, logging and tracking cases systematically. + Thoroughly investigate root causes of discrepancies by reviewing relevant documents (purchase orders, invoices, contracts, etc.) and analyzing data from various systems. + Identify and implement solutions, processing necessary adjustments like credit/debit notes and inventory adjustments. + Communicate resolution outcomes clearly and professionally to all parties. + **Invoice Dispatch & Manual Invoicing:** + Manage printing, collating, logging, and tracking of invoices for hand delivery or post. + Monitor invoice emails and raise issues with IT if not dispatched. + Collaborate with the GCC and Services Management teams for timely invoice dispatch and report submission. + Gather requirements for and facilitate the creation of manual invoices, including offline invoices for contractual obligations. + **Stakeholder Communication & Collaboration:** + Liaise effectively with internal departments and external stakeholders (customers, vendors) to gather information and negotiate resolutions. + Maintain clear and accurate records of all communication and actions for each dispute. + **Reporting & Process Improvement:** + Prepare regular reports on dispute status, resolution timelines, and common causes. + Maintain organized documentation of all dispute cases. + Identify trends and recommend process improvements to prevent future discrepancies. + Contribute to developing and implementing improved processes and controls. **Qualifications:** + Bachelor's degree in Accounting, Finance, Supply Chain Management, Business Administration, or a related field. + Minimum of 5 years of experience in dispute resolution, accounts receivable/payable, inventory control, or a related role. + Strong understanding of invoicing processes, payment terms, and inventory management principles. + Proven ability to investigate and resolve complex discrepancies effectively and efficiently. + Knowledge of relevant legal and regulatory requirements related to invoicing and inventory is a plus. **Skills & Knowledge:** + Excellent analytical, problem-solving, and critical thinking skills. + Strong attention to detail and accuracy. + Excellent written and verbal communication skills, with the ability to communicate professionally with diverse stakeholders. + Proficiency in Microsoft Excel/GSheet and relevant software/systems (e.g., RSSQL, High Radius). + Ability to work independently, manage a caseload effectively, and strong organizational and time management skills. **Languages:** + Required: Thai Language, English Language Category: Customer Support Iron Mountain is a global leader in storage and information management services trusted by more than 225,000 organizations in 60 countries. We safeguard billions of our customers’ assets, including critical business information, highly sensitive data, and invaluable cultural and historic artifacts. Take a look at our history here. Iron Mountain helps lower cost and risk, comply with regulations, recover from disaster, and enable digital and sustainable solutions, whether in information management, digital transformation, secure storage and destruction, data center operations, cloud services, or art storage and logistics. Please see our Values and Code of Ethics for a look at our principles and aspirations in elevating the power of our work together. If you have a physical or mental disability that requires special accommodations, please let us know by sending an email to accommodationrequest@ironmountain.com. See the Supplement to learn more about Equal Employment Opportunity. Iron Mountain is committed to a policy of equal employment opportunity. We recruit and hire applicants without regard to race, color, religion, sex (including pregnancy), national origin, disability, age, sexual orientation, veteran status, genetic information, gender identity, gender expression, or any other factor prohibited by law. To view the Equal Employment Opportunity is the Law posters and the supplement, as well as the Pay Transparency Policy Statement, CLICK HERE **Requisition:** J0088455