Staff Accountant (Bookkeeper)
Cirsium Biosciences
Accounting & Finance
Posted on Apr 6, 2026
Cirsium Biosciences is creating the next generation of manufacturing technologies for viral vector production. Our novel plant-based platform solves the existing problems of speed, flexibility, scalability, and safety in viral vector manufacturing while dramatically reducing production costs. Our goal is to enable global and equitable access to life-changing genetic therapies.
Position Overview
Cirsium Biosciences is seeking an experienced Staff Accountant (Bookkeeper) to join our small but growing team. In this role, you will assist with a variety of accounting areas including accounts payables, accounts receivables, expense reimbursements, and reconciliations. You will work closely with the team to meet month end accounting deadlines, generate reports as needed, and other areas as required.
Key responsibilities
- Accounts Payable: Manage full accounts payable cycle including invoice receipts, coding, approval routing, and payment processing.
- Review invoices for accuracy, proper documentation, and compliance with company policies.
- Reconcile accounts payable aging reports and assist with month end close activities.
- Prepare weekly payment runs including ACH, checks, and wires while ensuring timely disbursements.
- Maintain vendor records, respond to inquiries, and resolve discrepancies in a timely and professional manner.
- Accounts Receivable Support: Process deposits, assist with daily AR transactions, and support AR-related reconciliations.
- Assist with month- and year-end close process.
- Maintain and reconcile general ledger accounts.
- Prepare and post journal entries.
- Support audits by providing documentation and maintaining organized financial records.
- Other duties as assigned
Qualifications
- 5-8 years of progressive relevant accounting experience required. Process Manufacturing, Pharmaceutical/Biotech industry strongly preferred.
- Bachelor’s degree in Accounting or a related field, or equivalent practical experience.
- Ability to communicate effectively across multiple functions (internal and external to company) and operational teams.
- Ability to independently complete multiple time-sensitive tasks.
- Must be detail-oriented.
- Strong knowledge of Accounts Payable principles, practices.
- Ability to assist with vendor account management.
- Working knowledge of an integrated ERP or Accounting software package and a strong working knowledge of Excel.
- Strong experience using Quickbooks required.
- Coupa and or NetSuite experience a plus
This is a part time, hybrid-based position, reporting to the CFO. Only local candidates in the San Diego area who can occasionally work onsite with our team will be considered. No agencies please.