Senior Accounts Receivable Specialist

STARC Systems Inc • Brunswick, ME

5m • $70,000 - $80,000 • Hybrid

About The Position

STARC Systems is seeking a motivated, detail-oriented Senior Accounts Receivable Specialist to join our Finance team and play a leading role the Company’s order-to-cash process. This role is responsible for customer invoicing, collections, cash application, customer account maintenance, reporting, and month-end close support in a fast-paced manufacturing environment.

This position plays an important role in supporting cash flow, maintaining accurate customer accounts, strengthening internal controls, and providing excellent service to customers and internal partners. The ideal candidate is proactive, organized, and accountable, with strong communication skills and a continuous improvement mindset.

Success in this role means invoices are accurate, cash is applied timely, collections follow-up is disciplined, customer issues are resolved professionally, and AR reporting gives Finance leadership clear visibility into aging, cash flow, and collection priorities.

Requirements

• Bachelor’s degree in Accounting, Finance, Business, or related field, or equivalent experience.
• 5+ years of Accounts Receivable experience, preferably in manufacturing or distribution.
• Strong experience with B2B collections, cash application, account reconciliations, and customer communications.
• Knowledge of sales tax compliance, exemption certificate management and verification, customer credit reviews, and lien waiver processes.
• Proficiency with ERP/accounting systems and intermediate to advanced Microsoft Excel skills (PivotTables, lookups, data analysis, and reconciliations).
• Excellent organizational, communication, problem-solving, and time management skills with the ability to manage multiple priorities independently.

Nice To Haves

• Experience with Acumatica ERP.
• Experience billing construction contractors for manufactured goods or billing Saas clients.
• International billing experience
• Familiarity with AR metrics (aging, DSO, CEI), month-end close activities, and customer credit management.
• Experience with process improvement, automation initiatives, reporting tools, dashboards, or business intelligence applications.
• Experience with Avalara a plus.

Responsibilities

• Prepare and process customer invoices using sales orders, shipping documentation, pricing terms, tax requirements, and customer-specific billing instructions.
• Review sales and shipment documentation to ensure accurate and timely invoicing.
• Process invoice corrections, credit memos, account adjustments, and customer statements in compliance with company policies.
• Maintain customer account records, including billing contacts, payment terms, credit limits, tax exemption certificates, and invoicing requirements.
• Reconcile customer accounts and resolve billing discrepancies, short payments, and unapplied or misapplied cash.
• Support customer credit reviews, credit limit monitoring, and payment term administration.
• Monitor accounts receivable aging and perform collection activities on past-due accounts to deliver timely cash collections.
• Maintain accurate collection records, including payment commitments, customer communications, and follow-up actions.
• Resolve customer payment issues, billing inquiries, disputes, and account discrepancies through professional communication and collaboration.
• Partner with Sales, Customer Service, Operations, Shipping, and Finance teams to address invoice and payment-related issues.
• Escalate collection risks, unresolved disputes, delinquent accounts, and credit hold recommendations as appropriate.
• Apply customer payments accurately and timely, including ACH, wire transfers, checks, credit cards, and other payment methods.
• Process and record cash receipts within the ERP system and perform cash application and reconciliation activities.
• Research and resolve unapplied cash, short payments, overpayments, remittance discrepancies, and other payment exceptions.
• Process customer credit card payments and maintain supporting documentation for cash receipt transactions.
• Deliver high-quality customer service while supporting cash flow objectives, financial controls, and collection performance goals.
• Prepare AR aging reports, collection status updates, and notes on key past-due accounts for Finance review.
• Monitoring of AR metrics, including Days Sales Outstanding, collection effectiveness, aging trends, and customer payment behavior.
• Provide ad hoc analysis related to customer balances, payment history, disputed invoices, and cash flow support.
• Identify recurring billing, collection, or payment issues and recommend practical process improvements.
• Support Finance leadership with AR reporting and analysis that improves visibility and decision-making.
• Support month-end close activities related to AR aging, cash application, revenue cut-off, customer balances, and related reconciliations.
• Reconcile AR aging activity to the General Ledger and prepare supporting documentation for review.
• Assist with AR-related revenue reconciliations, routine journal entry support, accrual support, and audit documentation requests.
• Analyze review of customer deposits, credit memos, unapplied cash, and other AR-related balance sheet activity.
• Maintain organized support for internal and external audit requests.
• Maintain complete and accurate documentation for invoices, payments, credit memos, customer communications, and account reconciliations.
• Follow established controls for customer master maintenance, payment verification, credit limits, billing changes, and cash application.
• Support segregation of duties and escalate unusual activity, payment concerns, suspected fraud attempts, or control gaps promptly.
• Ensure AR activities are performed in accordance with company policies, approval requirements, and audit-ready documentation standards.
• Ensure adequate sales tax documentation, exemption certificate follow-up, and Avalara-related activity as assigned.
• Navigate Acumatica or the applicable ERP system to process transactions, extract data, investigate variances, and provide routine and ad hoc reporting and analysis.
• Use Excel and reporting tools to analyze AR data, reconcile accounts, and monitor collection activity.
• Participate in projects that involve accounts receivable and order to cash, including taking a leadership role as needed.
• Identify opportunities to streamline AR workflows, improve reporting, strengthen documentation, and reduce manual effort.
• Support process documentation, standard operating procedures, and continuous improvement initiatives within the order-to-cash process.
• Supports and models STARC Systems values and mission.
• Other duties as assigned, relevant to the role and in support of the needs of the company.

Benefits

• Hybrid work schedule
• Medical insurance plan options
• Health Savings Account and Flexible Spending Account options
• Employer HSA contribution for eligible employees enrolled in an HSA-compatible plan
• Dental insurance
• Vision insurance
• Basic life and AD&D insurance
• Voluntary life and AD&D insurance options
• Short-term and long-term disability insurance
• Voluntary accident, critical illness, and hospital indemnity insurance options
• Employee Assistance Program resources
• Virtual care resources
• Paid time off and company holidays
• 401(k) retirement plan

What This Job Offers

• Job Type: Full-time
• Career Level: Senior