AR​/Collections Assistant

ESST has been providing security services including cameras, access control, data, and alarm monitoring to Texas businesses for 21 years. Our headquarters is located in Justin, Texas with an additional office in Lubbock, Texas.

The Accounts Receivable Collections Specialist is responsible for ensuring timely collection of payments, accurate recording of transactions, and resolving billing discrepancies. This role requires strong attention to detail, effective communication with customers, and the ability to maintain accurate financial records. Experience with Quick Books Online is highly preferred.

Job Type:Part-Time

Schedule:

Monday–Friday, 8:00 AM – 5:00 PM (flexible; hours can be arranged to fit your availability)

• Ensure timely collection of payments
• Generate and send customer invoices based on payment schedules
• Monitor aging reports and follow up on overdue invoices
• Record and apply payments accurately in Quick Books Online and other accounting systems
• Assist in reconciling accounts and resolving discrepancies
• Maintain detailed records of collection efforts and customer interactions
• Support finance with reporting and administrative tasks
• Collaborate with other departments to resolve billing or payment issues
• Participate in cross-training opportunities to gain exposure to other finance and accounting functions
• Additional duties as needed

• High school diploma or equivalent required
• Proficiency in Quick Books Online preferred; other accounting software experience is a plus
• Strong attention to detail and organizational skills
• Excellent verbal and written communication skills
• Basic understanding of accounting principles and accounts receivable processes
• Proficiency in Microsoft Office (Excel, Word, Outlook)
• Ability to work independently and as part of a team
• Professional and courteous demeanor when interacting with clients