Senior Team Lead, Billing and Collections

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Job Summary

NTT DATA (Thailand) is seeking an experienced Senior Team Lead, Billing and Collections to manage and drive the end-to-end billing and collections function. This role is responsible for leading a team, ensuring accurate and timely invoicing, optimizing cash collection, minimizing DSO (Days Sales Outstanding), and maintaining strong internal controls over the order-to-cash cycle. Beyond day-to-day operations, this role is expected to actively improve the billing team's capability and processes , and to drive change and transformation initiatives that modernize and streamline the billing-to-cash cycle. Candidates with prior experience in a service-based business (IT services, consulting, BPO, or similar) will be given strong preference, as the role requires familiarity with project/contract-based billing, milestone billing, and recurring service revenue models.

Key Responsibilities

Team Leadership

Lead, coach, and manage the Billing and Collections team, setting clear KPIs and monitoring individual and team performance.

Develop team capability through training, process documentation, and cross-training to ensure business continuity.

Act as the primary escalation point for complex billing disputes and difficult collection cases.

Billing Management

Oversee accurate and timely generation of customer invoices in line with contract terms, SOWs, purchase orders, and milestone/project schedules.

Ensure billing accuracy for various revenue models (time & materials, fixed price/milestone, recurring managed services, licensing/subscription).

Review and approve billing schedules, credit notes, and adjustments in accordance with company policy.

Partner with Sales, Delivery/PM, and Legal teams to validate contract terms prior to billing setup.

Collections Management

Drive proactive collection strategies to reduce overdue receivables and improve DSO.

Monitor AR aging reports, prioritize high-risk/high-value accounts, and lead collection calls/escalations with customers.

Negotiate payment plans for delinquent accounts in coordination with Sales and senior management.

Coordinate with Legal on accounts requiring formal collection action or write-off review.

Process & Controls

Ensure compliance with internal controls, SOX (if applicable), and company finance policies across the billing-to-cash cycle.

Identify and implement process improvements and automation opportunities to increase billing accuracy and collection efficiency.

Prepare and present AR aging, DSO, bad debt provision, and collection performance reports to Finance leadership.

Support month-end and year-end close activities related to revenue, unbilled AR, and AR reconciliation.

Continuous Improvement & Transformation

Assess current billing and collections workflows to identify inefficiencies, bottlenecks, and manual/error-prone steps.

Design and lead transformation initiatives (e.g., billing automation, e-invoicing, workflow digitization, standardized SOPs) to modernize the order-to-cash function.

Build the team's skills and capacity to support new tools, systems, and ways of working, acting as a change agent through the transition.

Define and track success metrics for improvement initiatives (e.g., reduction in billing errors/cycle time, DSO improvement, automation rate).

Champion a culture of continuous improvement within the team, encouraging process ownership and proactive problem-solving.

Partner with IT, Finance Systems, and cross-functional stakeholders to scope and implement system enhancements supporting billing and collections transformation.

Stakeholder Management

Serve as the key liaison between Finance, Sales, Delivery, and customers on all billing and collection matters.

Support internal and external audit requests related to billing and AR.

Qualifications

Required

Bachelor's degree in Accounting, Finance, Business Administration, or a related field.

Minimum 7–10 years of experience in Billing and/or Collections, with at least 2–3 years in a team lead/supervisory capacity.

Strong hands-on experience managing end-to-end billing and collections/AR processes.

Proficiency in ERP/billing systems (e.g., SAP, Oracle, NetSuite, or similar) and advanced Excel skills.

Strong analytical, negotiation, and problem-solving skills.

Good command of English (spoken and written) for cross-functional and regional communication.

Strong leadership and people-management skills with experience building and developing a team.

Preferred

Prior experience in a service-based industry (IT services, IT consulting, BPO, professional services, or similar), with exposure to project-based/contract billing, milestone billing, and recurring managed-service revenue.

Experience working in a multinational or matrixed organization.

Familiarity with SOX controls or similar internal control frameworks.

Experience with billing/AR process automation or digital transformation initiatives.

Workplace type :

• On-site Working
• About NTT DATA
• NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through

responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with

unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and

application services. Our consulting and industry solutions help organizations and society move

confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more

than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.

• Equal Opportunity Employer
• NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

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