Senior Accounting Specialist

About the role

AIVITA Biomedical is seeking a Senior Accounting Specialist to join our onsite team in Irvine, California. This is a high-visibility role for a hands-on accounting professional who wants broad ownership across day-to-day accounting operations while working closely with leadership in a growing biotech environment.

Responsibilities

• Own full-cycle accounts payable processing, including invoice review, coding, entry, payment coordination, and supporting documentation.
• Manage vendor onboarding and maintain accurate vendor records and AP files.
• Coordinate payments, including payments in multiple currencies.
• Cook payroll inputs through the Company's PEO and prepare related payroll journal entries in NetSuite.
• Prepare and post recurring and ad hoc journal entries related to monthly accounting activity.
• Maintain general ledger accuracy through reconciliations, account analysis, and timely journal entries.
• Serve as a point of contact for payroll-related employee questions that require coordination with the PEO.
• Own assigned monthly internal accounting period close procedures.
• Reconcile credit card activity, employee expenses, and other designated accounts.
• Update GL schedules and maintain organized support for annual audit procedures.
• Support annual audit and monthly internal accounting period close procedures.
• Interface with external auditors on an as-needed basis to prepare information requests and ensure timely completion of audit procedures.
• Contribute to process improvements that strengthen accounting accuracy, efficiency, and documentation quality.
• Work effectively with Accounting department to maintain the Company’s internal controls.

Requirements

• Bachelor's degree in Accounting, Finance, or a related field, or equivalent practical accounting experience.
• Strong accounting operations experience across AP, reconciliations, journal entries, and monthly close support.
• Experience coordinating payroll processing or payroll inputs, ideally in a PEO-supported environment.
• Solid understanding of general ledger structure, account reconciliations, and period-close discipline.
• Experience using a cloud-based ERP system in a hands-on accounting role.
• Strong Excel and general Office365 skills.
• Excellent attention to detail, organization, and follow-through.
• Able to manage multiple priorities and recurring deadlines with limited oversight.
• Strong written and verbal communication skills.
• Willingness to work onsite in Irvine, California.
• Openness to using AI tools in work processes when directed.

Preferred Experience

• Experience in biotech, life sciences, clinical-stage, or similarly regulated environments.
• Experience using NetSuite or equivalent ERP system.
• Experience with multi-currency payments.
• Experience supporting annual audit preparation.
• Experience working in lean or growing companies where responsibilities evolve over time.