Job Vacancy Accounting Clerk Mosaic Laboratories

Job title: Accounting Clerk

Company: Mosaic Laboratories

Job description: Description

Mosaic Laboratories is in search of a Accounting Clerk to join our team in Lake Forest, CA! In this role you will prepare and send invoices to clients, work with clients to resolve invoice inquiries, partner with the project management team to ensure required PO’s and data to produce invoices is acquired, and other accounting & finance responsibilities.

To be successful in this role you will have experience with Dynamics 365, strong MS Excel skills, excellent customer service ability, and knowledge of project based billing and collection techniques.


  • Prepare and issue customer invoices for Mosaic
  • Prepare and manage intercompany invoices and ensure proper support and documentation is attained from respective entities
  • Work with Excel spreadsheets of project service status and deliverable to identify the units of deliverables completed
  • Communicate with customer representatives to resolve billing inquiries applying excellent customer service in a timely manner
  • Collaborate with commercial and project management teams to obtain customer purchase order and relevant data to produce timely and accurate invoices according to customer preferences
  • Facilitate timely collections
  • Apply cash payments, research and resolve cash application issues
  • Research and resolve customer account delinquency issues, provide billing documentation to support collections
  • Partner with corporate accounting teams to provide study level data for revenue recognition and reporting
  • Assist in the period end close and reporting processes
  • Maintain customer master data to ensure accuracy of client data
  • Support various customer, internal and external audit documentation requests


  • Degree in Accounting or a related Business field
  • 2-5 years of billing, accounts receivable or accounting experience
  • Knowledge of project based billing procedures and collection techniques
  • Superior customer service and communication skills
  • Patience and ability to manage stress
  • Problem-solving and analytical skills required
  • Ability to work independently and to adapt to a fast-changing environment
  • Strong skills in the use of MS Excel and Office
  • Knowledge of MS Dynamics and StarLIMS is a plus
  • Prior experience in the CRO or Pharmaceutical industry is a plus
  • Excellent communication skills (written and spoken)


Mosaic Laboratories, a CellCarta company, is a rapidly growing and stable company based out of Lake Forest, CA. We are a leading provider of pre-clinical and clinical trial services to the pharmaceutical and biotechnology industry. Our laboratory service offerings include histology, immunohistochemistry, immunofluorescence, ISH, FISH, CTC isolation and characterization, chemosensitivity testing, tissue procurement, ELISA, mutation testing, cell expansion, and colony forming assays. Mosaic is a CLIA licensed and CAP accredited laboratory, and we perform studies in compliance with the relevant portions of Good Laboratory and Good Clinical Practices.

At Mosaic Laboratories we care about our team and offer a wide range of benefits including:

  • Competitive wages
  • Medical, dental, and vision benefits
  • Life/AD&D benefits
  • Additional voluntary benefits
  • 401k retirement savings plan with a healthy match
  • Vacation and sick time
  • Career development opportunities
  • Continuing education
  • Free snacks

Join us as we make an impact on the future of patient therapy!

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Expected salary:

Location: Lake Forest, CA

Job date: Fri, 15 Jul 2022 04:56:50 GMT

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