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We are looking for a PART-TIME Accounts Receivable Clerk to join a team in Simi Valley, California in a contract capacity with the potential for a permanent role. This position focuses on accurate invoicing, payment application, account reconciliation, and customer account support while helping maintain strong financial records. The ideal candidate brings a detail-oriented approach, strong communication skills, and hands-on experience working with billing and receivables processes in a fast-paced environment.
Job Responsibility
Create customer invoices, including milestone-based and time-and-material billing, while ensuring charges are accurate and submitted on schedule
Keep receivable records current by updating account information and maintaining complete customer billing data
Post incoming payments, investigate unmatched cash activity, and resolve account variances in a timely manner
Review outstanding balances through aging analysis and follow up with customers regarding overdue payments
Partner with project and operations teams to confirm billing details align with contractual terms and approved work
Organize supporting billing documentation and preserve accurate project-related financial records
Produce and send recurring customer statements each month to support account visibility and collections activity
Address customer questions related to invoices, payment status, and account balances with professionalism and clarity
Contribute to month-end accounting activities by assisting with reconciliations, reporting, and file accuracy
Maintain orderly electronic and hard-copy records while following established accounting policies and internal procedures
Requirements
At least 3 years of experience in accounts receivable, billing, or a closely related accounting support role
Practical experience with invoice generation, cash application, account reconciliation, and collections follow-up
Proficiency with accounting software such as QuickBooks and the ability to work effectively in Microsoft Dynamics 365
Strong data entry accuracy with careful attention to detail and record maintenance
Ability to interpret aging reports and take appropriate action on overdue accounts
Clear written and verbal communication skills for working with customers and internal teams
Strong organizational skills with the ability to manage multiple priorities and meet deadlines in a structured environment