Sales Support, Sales Coordination, Credit and Collections, Quotation, Order Management, Billing, BPO, Customer Success

Irvann Tan

Sales Support, Sales Coordination, Credit and Collections, Quotation, Order Management, Billing, BPO, Customer Success

Available to hire

Sales Support, Sales Coordination, Credit and Collections, Quotation, Order Management, Billing, BPO, Customer Success

Work Experience

Billing at Equinix Asia Pacific
January 1, 2021 - October 29, 2025
Performed accurate and timely billing adjustments, manual invoicing, and credit memo processing with proper authorization and documentation. Coordinated monthly invoice runs, ensuring billing accuracy and compliance with financial close calendars. Reviewed invoices and conducted variance analysis, obtaining necessary sign-offs. Managed customer billing queries and case resolution in Salesforce (SFDC), meeting internal SLAs for timeliness and quality. Collaborated cross-functionally to investigate and resolve billing discrepancies, including SLA credits and install date issues.
Cash Application & Mentored Vendor Management at ByteDance
January 1, 2021 - October 29, 2025
Mentored Vendor Operations team to drive performance, engagement, and professional development. Ensured timely procurement, optimal inventory levels, and strong delivery performance. Handled vendor escalations and cash allocation quality. Provided Cash Application support for SEA accounts in 2021. Led new-hire onboarding training and served as POC for new sales team training.
Global Revenue BP & Credit Control at ByteDance
January 1, 2021 - October 29, 2025
Managed global cash transactions across payment inflows and outflows, ensuring operational efficiency, scalability, and mitigation of financial risk. Built and maintained relationships with internal stakeholders and external partners to optimize billing and collections. Handled APAC and SMB collections, ensuring timely payments and maintaining positive client relationships. Analyzed payment data to identify non-payment drivers and recommended preventative solutions. Advised cross-functional teams on billing policies and payment-related inquiries. Collaborated with operations and collections to close process gaps and improve end-to-end financial workflows. Liaised between departments and clients to resolve payment issues. Advocated adoption of new tools by sharing customer feedback with product/process teams. Supported contract review to ensure billing terms and compliance. Experienced with online and offline payments including BC and TTAM. Oversaw overdue invoice management and ensured
Sales Transaction Coordinator (Quote/Order Fulfillment) at Equinix Asia Pacific
January 1, 2020 - January 1, 2020
Created and managed accurate sales quotes for basic to medium transactional requests, ensuring contract compliance and timely processing. Secured necessary approvals for transactions while adhering to company policies and service level objectives. Reviewed customer agreements and provided guidance on contractual matters related to quotes and terminations. Maintained up-to-date and accurate customer records and documentation. Built strong relationships with sales teams and internal departments to streamline sales operations. Handled customer inquiries, resolved quote-related issues, and provided end-to-end sales support. Participated in regional and global process improvement initiatives to streamline order handling and capacity planning workflows. Coordinated UAT for system migration from Oracle to Siebel, aligning processes across regions.

Education

Bachelor at Murdoch University
January 11, 2030 - January 1, 2016
Diploma at Kaplan Singapore
January 11, 2030 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Professional Services