WNS (Holdings) Limited (NYSE: WNS), is a leading Business Process Management (BPM) company. We combine our deep industry knowledge with technology and analytics expertise to co-create innovative, digital-led transformational solutions with clients across 10 industries. We enable businesses in Travel, Insurance, Banking and Financial Services, Manufacturing, Retail and Consumer Packaged Goods, Shipping and Logistics, Healthcare, and Utilities to re-imagine their digital future and transform their outcomes with operational excellence.We deliver an entire spectrum of BPM services in finance and accounting, procurement, customer interaction services and human resources leveraging collaborative models that are tailored to address the unique business challenges of each client. We co-create and execute the future vision of 400+ clients with the help of our 44,000+ employees.

Assistant Manager to oversees 3 critical functions within the Finance organization: Billings, Cash Application, and Payables.

This role ensures accurate and timely processing across the entire order-to-cash and procure-to-pay cycles.

The manager will lead a small team of three specialists—one for each function—providing operational oversight, process optimization, and cross-functional alignment with Accounting, FP&A, Sales Operations, and key business units.

Key Responsibilities

Leadership & Management

Supervise and develop three direct reports responsible for Billings, Cash Application, and Payables.

Set performance expectations, and conduct regular coaching and feedback sessions.

Ensure workload balance, operational coverage, and adherence to departmental SLAs.

Billings Oversight Ensure customer invoices are generated accurately and promptly throughout the month and after month-end close.

Review billing exceptions, ensure completeness of data from order systems, and partner with Sales Ops and Customer Success to resolve discrepancies.

Maintain controls to ensure revenue recognition dependencies are met.

Monitor billing accuracy, timeliness, and audit readiness.

Cash Application Oversight Ensure all incoming cash is applied to accounts receivable with high accuracy and within defined time frames.

Support research efforts when remittance details are incomplete, working with internal teams and customers to identify matching orders.

Maintain a clear audit trail for all applications, adjustments, and unapplied or unidentified cash.

Collaborate with AR and Collections to support account reconciliation efficiency.

Payables Oversight Ensure timely and accurate processing of vendor invoices, including proper GL coding, cost center assignment, and approval workflow management.

Maintain compliance with internal approval policies and external regulatory requirements.

Oversee payment cycles, vendor setup, and resolution of vendor inquiries or discrepancies.

Support 1099 and year-end payables processes as needed.

Process & Controls Identify and implement process improvements and automation opportunities across billing, cash application, and payables workflows.

Monitor performance metrics (e.g., billing turnaround time, unapplied cash levels, AP aging).

Ensure strong internal controls, documentation, and audit readiness for all three functions.

Partner with IT/Systems to enhance the integration and accuracy of order and finance systems.

Cross-Functional Collaboration Work closely with Accounting on month-end close tasks related to billing, AR, and AP.

Collaborate with Sales, Customer Success, Procurement, and Business Unit leaders to ensure smooth financial operations and issue resolution.

Bachelor’s degree in Accounting, Finance, or related field required.5+ years of experience in financial operations, shared services, or accounting, including at least 2 years in a supervisory or team lead role.Strong understanding of the order-to-cash and procure-to-pay cycles.Experience with accounting/ERP systems (e.g., NetSuite, SAP, Oracle) and order or billing platforms.Excellent organizational skills, attention to detail, and ability to manage multiple priorities.Strong analytical, problem-solving, and communication skills.Ability to build collaborative relationships across functions and influence without authority.