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 highly motivated and experienced Credit & Collection Officer to join our Customer Excellence organization in Thailand. This key role is responsible for managing cash collection, reducing aged debts, and continuously improving our collection processes. **Key Responsibilities:** + **Collections & Debts Management:** + Manage daily collection activities, focusing on invoices overdue by more than 90 days. + Proactively follow up on overdue payments via calls and emails. + Resolve customer payment issues in collaboration with clients and internal departments. + Review accounts with significant aged unpaid invoices, disputes, and unallocated cash, taking action to resolve issues. + Generate and distribute statements of accounts and dunning letters. + Work with relevant teams on account suspension and stop billing processes. + Maintain accurate and updated client information for collection purposes. + Support the Collection Lead with cash collection and BDE forecasts. + **Payments and Cash Application:** + Handle cheque collections (with support from the Collection Administrator). + Reconcile cash receipts and collaborate on cash application, including write-offs, adjustments, and withholding tax. + Clear unapplied and unidentified customer and bank payments. + Assist with month-end closing activities for Accounts Receivable. + Obtain withholding tax certifications from customers weekly. **Skills & Experience Required:** + Diploma/Degree in Accounting, Finance, or a related discipline. + 3+ years of experience in Collection Management and/or Accounts Receivable. + Proven track record of improving collection performance and reducing aged debts. + Strong negotiation skills for internal and external communication. + Self-motivated, independent, and able to meet deadlines and targets. + Excellent interpersonal and communication skills. + Positive attitude, self-confidence, and ability to remain calm under pressure. + Sound experience in customer relationship management. + Proficient in MS Office; familiarity with Oracle Accounting System is an advantage. + Good command of both verbal and written Thai; proficiency in English is an advantage. + Sound knowledge of Financial Literacy and Business Acumen. Category: Finance 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:** J0088544