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Accounting & Administrative Assistant

CMSP Associates LLC
Montebello, CA Full Time
POSTED ON 12/8/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Accounting & Administrative Assistant position at CMSP Associates LLC?

Position Summary:

CMSP Associates is seeking a dependable and detail focused Order Entry / Accounts Receivable Coordinator to support both office operations and financial processes. This dual function role is ideal for someone who is organized, adaptable, and comfortable balancing clerical responsibilities with A/R tasks in a dynamic office environment.

Key Responsibilities:

Administrative Support Duties:

  • Professionally manage incoming calls via a multi-line phone system; take accurate messages and direct calls as appropriate.
  • Perform high-volume data entry tasks quickly and accurately.
  • Scan, copy, and organize electronic and physical files and documents.
  • Prepare and route documents for internal approval and signature processes.
  • Maintain orderly filing systems and retrieve documents efficiently from file drawers, cabinets, or storage.
  • Assist with scheduling meetings, coordinating calendars, and supporting general office logistics.
  • Provide backup administrative support across departments as needed.

Accounts Receivable Duties:

  • Prepare and distribute customer invoices promptly and accurately.
  • Post and reconcile payments to customer accounts; address and resolve payment discrepancies.
  • Monitor outstanding balances and follow up on overdue invoices professionally.
  • Maintain up-to-date A/R records and documentation.
  • Generate and review aging reports; support collections and reporting activities.
  • Collaborate with other teams to resolve billing or payment-related issues.
  • Contribute to the A/R closing process at month-end.

Qualifications:

  • High school diploma or GED required; coursework in accounting or business administration preferred.
  • Must be bilingual in English/Spanish
  • 1–2 years of experience in an administrative or accounts receivable role.
  • Proficient in Microsoft Office Suite (Word, Excel, Outlook).
  • Prior experience with accounting software such as Sage BusinessWorks is a plus.
  • Strong attention to detail and organizational skills.
  • Clear written and verbal communication abilities.
  • Ability to handle multiple tasks and work under deadlines.
  • Professional demeanor and a commitment to confidentiality.

Work Environment:

  • Office based, Monday-Friday.
  • Occasional overtime may be needed during peak periods or month-end closing

Job Type: Full-time

Pay: $ $24.00 per hour

Work Location: In person

Salary : $48,000 - $96,000

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