AP Accountant
Mirum Pharmaceuticals, Inc.
August 25, 2026
Remote friendly (Foster City, CA)
United States
Corporate Functions
Position Summary
AP Accountant to process accounts payable transactions, expense reports, vendor communications, and related general accounting activities in a fast-paced environment.
Job Functions/Responsibilities
- Process high volumes of accounts payable: invoice entry, account coding, proper accounting period entry.
- Review invoices for appropriate supporting documentation before processing/payment.
- Match invoices to purchase orders and supporting documentation.
- Review vendor contracts; assign appropriate expense accounts, departments, and project coding for non-PO invoices.
- Research and resolve vendor account/invoice/payment discrepancies.
- Manage the AP email inbox (vendor inquiries, payment requests, invoice questions).
- Ensure adherence to signature authority and approval policies.
- Manage Concur expense reporting (processing, audits, user support).
- Review employee expense reports for policy compliance; review HCP-related expenses for Sunshine Act compliance.
- Manage the expense reports inbox; support submissions and travel booking inquiries.
- Provide customer service to internal stakeholders and external vendors.
- Support quarterly reviews and annual audits with requested documentation.
- Maintain tax reporting compliance and complete year-end 1099 processing.
- Support financial systems implementations and process improvements.
- Assist with special projects and ad-hoc assignments; adapt to evolving needs.
Qualifications
- Bachelor’s in Accounting/Finance or related field (preferred).
- 5+ years AP or general accounting experience (preferably high-volume).
- Required: Concur and NetSuite ERP experience.
- Strong AP/expense reporting/internal controls knowledge.
- Knowledge of 1099 reporting and audit support.
- Proficient in Microsoft Office, especially Excel.
- Sunshine Act compliance familiarity (preferred).
Skills/Abilities
- Analytical/problem-solving judgment; sound decision-making.
- Strong verbal/written communication.
- Independent, accurate, timely work; manage multiple priorities.
- Highly organized, detail-oriented, dependable.
- Team-oriented, adaptable; customer-service focused.
Compensation
- Salary range: $115,000–$130,000 (base salary).
AP Accountant to process accounts payable transactions, expense reports, vendor communications, and related general accounting activities in a fast-paced environment.
Job Functions/Responsibilities
- Process high volumes of accounts payable: invoice entry, account coding, proper accounting period entry.
- Review invoices for appropriate supporting documentation before processing/payment.
- Match invoices to purchase orders and supporting documentation.
- Review vendor contracts; assign appropriate expense accounts, departments, and project coding for non-PO invoices.
- Research and resolve vendor account/invoice/payment discrepancies.
- Manage the AP email inbox (vendor inquiries, payment requests, invoice questions).
- Ensure adherence to signature authority and approval policies.
- Manage Concur expense reporting (processing, audits, user support).
- Review employee expense reports for policy compliance; review HCP-related expenses for Sunshine Act compliance.
- Manage the expense reports inbox; support submissions and travel booking inquiries.
- Provide customer service to internal stakeholders and external vendors.
- Support quarterly reviews and annual audits with requested documentation.
- Maintain tax reporting compliance and complete year-end 1099 processing.
- Support financial systems implementations and process improvements.
- Assist with special projects and ad-hoc assignments; adapt to evolving needs.
Qualifications
- Bachelor’s in Accounting/Finance or related field (preferred).
- 5+ years AP or general accounting experience (preferably high-volume).
- Required: Concur and NetSuite ERP experience.
- Strong AP/expense reporting/internal controls knowledge.
- Knowledge of 1099 reporting and audit support.
- Proficient in Microsoft Office, especially Excel.
- Sunshine Act compliance familiarity (preferred).
Skills/Abilities
- Analytical/problem-solving judgment; sound decision-making.
- Strong verbal/written communication.
- Independent, accurate, timely work; manage multiple priorities.
- Highly organized, detail-oriented, dependable.
- Team-oriented, adaptable; customer-service focused.
Compensation
- Salary range: $115,000–$130,000 (base salary).