WNS, part of Capgemini, is an Agentic AI-powered leader in intelligent operations and transformation, serving more than 700 clients across 10 industries, including Banking and Financial Services, Healthcare, Insurance, Shipping and Logistics, and Travel and Hospitality. We bring together deep domain excellence – WNS’ core differentiator – with AI-powered platforms and analytics to help businesses innovate, scale, adapt and build resilience in a world defined by disruption.Our purpose is clear: to enable lasting business value by designing intelligent, human-led solutions that deliver sustainable outcomes and a differentiated impact. With three global headquarters across four continents, operations in 13 countries, 65 delivery centers and more than 66,000 employees, WNS combines scale, expertise and execution to create meaningful, measurable impact.

Position Summary

The Assistant Manager - AR Operations supervises Accounts Receivable activities supporting container terminal operations within a ports, maritime, shipping, and logistics finance environment. The role oversees terminal billing, collections, AR aging, cash application, revenue capture, reconciliations, and month-end close activities while ensuring SLA adherence, financial controls, compliance, and stakeholder satisfaction.

The incumbent is responsible for understanding how operational transactions captured in Navis N4 translate into billing, revenue recognition, cash application, accounting entries, and financial reporting within OASYS

Role Focus Areas 

• Queue leadership and workload management
• Collections governance and AR control
• Billing oversight and dispute resolution
• Cash Application and revenue capture governance
• Month-end close and reconciliation oversight
• Team coaching and stakeholder management
• Compliance and control adherence

Key Responsibilities 

Terminal Billing Governance

• Own billing governance for customer invoicing activities.
• Validate Navis N4 billing activity and ensure revenue capture accuracy and completeness.
• Manage billing disputes, adjustments, and customer escalations.
• Review and approve customer billing adjustments and credit memos.
• Ensure billing accuracy and revenue integrity across assigned terminals.
• Partner with Customer Service, Operations, Planning, and Port Operations stakeholders to ensure accurate billing and revenue capture.

Accounts Receivable & Collections

• Manage AR aging performance and collections governance.
• Monitor customer payment status and collection effectiveness.
• Drive timely follow-up and resolution of overdue receivables.
• Review collection escalations and customer disputes.
• Ensure adherence to AR policies, procedures, and collection strategies

Cash application & PayCargo

• Oversee cash application activities and receipt matching.
• Ensure accurate application of customer payments.
• Review PayCargo settlement processing and exception handling.
• Drive timely resolution of unapplied and misapplied cash

General Ledger & Reconciliations 

• Review journal entries and support documentation. 
• Oversee balance sheet and subledger reconciliations. 
• Ensure timely resolution of reconciling items and control exceptions. 
• Maintain audit-ready documentation and financial support schedules

Month-End Close & Reporting 

• Govern-the-month end close activities, including accruals and allocations.
• Review AR reserve calculations and account analyses.
• Ensure close calendar adherence and reporting accuracy.
• Review recurring and ad hoc financial reports.
• Maintain documentation readiness for audits and management review

Process & Compliance 

• Ensure SOP, internal control, and security compliance. 
• Drive process improvements and finance cross-training. 
• Escalate risks and discrepancies with complete documentation. 

Leadership & Stakeholder Management

• Manage daily work allocation, aging, quality sampling, and escalations. 

• Review billing, AR, cash application, GL, and reconciliation outputs. 

• Coach team members and ensure adherence to controls and policies. 

·  Partner with Terminal Operations, Customer Service, Planning teams, and Port Operations stakeholders.

·  Manage escalations and stakeholder communications.

·  Drive process improvements, cross-training, and knowledge-sharing initiatives

Required Qualifications 

• Bachelor's Degree in Accounting, Finance, Commerce, or related discipline.
• 5+ years of Accounts Receivable, Collections, Billing, or Finance Operations experience.
• Experience leading teams, managing service delivery, and driving operational performance.

Preferred Qualifications 

• Container terminal billing experience including lift, restow, flip, stevedoring, and M&R charges. 

• Knowledge of Navis N4 or terminal operating systems. 

• Experience in maritime, ports, freight, or logistics finance. 

• Exposure to PayCargo and legacy accounting systems. 

Systems & Tools 

• OASYS or comparable ERP/accounting systems 

• Navis N4 operational data validation 

• PayCargo or similar payment platforms 

• Excel, MS Office, and documentation repositories 

Success Measures / KPIs 

• • Billing Governance Effectiveness
  • Billing Accuracy
  • Revenue Capture Completeness
  • Billing Dispute Resolution
  • Credit Memo Turnaround Time
  • AR Aging Control
  • Collection Effectiveness
  • Cash Application Accuracy
  • Unapplied Cash Resolution
  • Reconciliation Quality
  • Month-End Close Adherence
  • Documentation Readiness
  • SLA & Quality Compliance

Recruiter Positioning Note 

Position as a container-terminal finance operations leadership role requiring expertise in Accounts Receivable, collections governance, revenue capture, cash application, reconciliations, stakeholder management, and financial controls. Candidates should understand how Navis N4 operational activity translates into billing, customer receivables, revenue recognition, cash application and accounting transactions within OASYS.

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