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Specialist, Accounts Payable

Arrowheadpharmacareers

Pasadena, California, United States (Pasadena, CA) permanent

Posted: January 26, 2026

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Quick Summary

Develops and implements complex financial processes to ensure accurate and efficient accounting operations.

Job Description

Arrowhead Pharmaceuticals, Inc. (Nasdaq: ARWR) is a clinical stage biopharmaceutical company that develops medicines that treat intractable diseases by silencing the genes that cause them. Using a broad portfolio of RNA chemistries and efficient modes of delivery, Arrowhead therapies trigger the RNA interference mechanism to induce rapid, deep, and durable knockdown of target genes. RNA interference, or RNAi, is a mechanism present in living cells that inhibits the expression of a specific gene, thereby affecting the production of a specific protein. Arrowhead’s RNAi-based therapeutics leverage this natural pathway of gene silencing.

Arrowhead is focused on developing innovative drugs for diseases with a genetic basis, typically characterized by the overproduction of one or more proteins that are involved with disease. The depth and versatility of our RNAi technologies enables us to potentially address conditions in virtually any therapeutic area and pursue disease targets that are not otherwise addressable by small molecules and biologics. Arrowhead is leading the field in bringing the promise of RNAi to address diseases outside of the liver, and our clinical pipeline includes disease targets in the liver and lung with a promising pipeline of preclinical candidates.

Arrowhead’s corporate headquarters is in Pasadena, CA with research and development teams in Madison, WI & San Diego, CA, and a state of the art manufacturing facility in Verona, WI. Our employees are nimble, science-driven innovators who are collaborating to bring new therapies to patients in need.

The Position

Arrowhead seeks an Accounts Payable Specialist to join its Accounting Team. This individual will report to Arrowhead’s Sr. Manager, Accounts Payable and will be responsible for assisting the manager in all aspects of processing Arrowhead’s disbursements (Pasadena, CA, San Diego, CA, Verona, WI, and Madison, WI). This individual will also be responsible for assisting in implementation of new systems and year-end 1099 processing. The individual will work closely with members of the Accounting Team and the broader Finance.

Responsibilities

• Verify and process invoices

• Research and address invoice related issues with Purchasing team, requestors, vendors, and others.

• Create Check, ACH and Wire payment files

• File AP documents

• Assist in system implementations

• Assist in processing Concur expense reports for Travel & Expense reimbursements

• Assist in the year-end preparation of 1099s

• Prepare Accounts payable reports as needed

• Ad hoc AP-related projects

Requirements

• Business Degree or at least 2 years of relevant experience

• Ability to gather, analyze and interpret information for completeness and accuracy; excellent attention to detail; and, excellent organizational skills

• Proficient in Microsoft Office suite

• Strong communication skills (oral & written); ability to effectively interact with others at all levels – within and outside of finance

• Flexibility to put in extra hours during critical times such as month, quarter, and year-end close cycles

• Strong time management with the ability to work independently and in a group setting

Preferred

• Experience with an automated workflow ERP System, Microsoft D365 is a plus.

• Experience with Concur expense reporting

California pay range
$60,000—$70,000 USD

Arrowhead provides competitive salaries and an excellent benefit package.

All applicants must have authorization to work in the US for a company.

California Applicant Privacy Policy

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