Are you someone who thrives in a detail-oriented role, enjoys solving problems with numbers, and values being part of a collaborative team? If so, you may be the perfect fit for the Accounting Assistant role at Interstate Advanced Materials! We’re looking for an enthusiastic and dependable team member to support our growing accounting department at our Sacramento, CA headquarters. Interstate Advanced Materials is a family-owned company based in Sacramento, CA, with over 170 team members across seven states. We’re an environmentally conscious, award-winning organization known for our commitment to customer satisfaction, innovation, and teamwork. We pride ourselves on developing talent and promoting from within—this isn’t just a job; it’s a place to grow your career. As an Accounting Assistant, you’ll help support the full cycle of payables and receivables, assist with reconciliations, manage vendor and customer communication, and provide vital support during month-end close. You'll work with a tight-knit team in a fast-paced, professional environment where your attention to detail and drive for accuracy will truly shine. If you're a motivated, organized, and service-minded individual ready to build your future, Interstate Advanced Materials wants to hear from you! Responsibilities: Accounts Payable Support
Enter supplier invoices into AP Invoice Posting.
Match purchase orders to supplier invoices via Purchase Order Invoice Matching.
Assist with preparing payment runs (check or EFT).
File and organize vendor documentation.
Accounts Receivable Support
Enter and apply customer payments via Cash Posting.
Assist in generating and emailing customer statements.
Monitor open invoices using AR Aging reports.
Follow up on basic customer inquiries related to invoices or payment status.
Data Entry & Transaction Processing
Post general journal entries in GL Journal Posting (under supervision).
Code invoices or expenses to proper GL accounts.
Enter and update vendor or customer contact information.
Basic Reconciliations
Assist in reconciling bank statements using Cash Book Reconciliation.
Help reconcile vendor statements to AP subledger.
Match internal reports to external documentation (invoices, receipts, payments).
Filing & Document Management
Scan, file, and organize accounting documents (invoices, check stubs, receipts).
Maintain electronic or paper audit trails for all transactions.
Report Running
Generate routine reports such as:
Trial Balance
AR/AP Aging
GL Transaction Reports
Export reports for analysis or distribution.
Month-End Support
Ensure all invoices and receipts are posted timely.
Assist senior accountants in pulling data for reconciliations.
Help with accrual tracking and entry preparation.
Communication
Contact vendors/customers for missing information (W-9s, remits, payment info).
Provide documentation or payment status when requested by internal teams.
Benefits: This full-time position offers a comprehensive benefits package including: