Staff Accountant

Staff Accountant Position Summary: The Staff Accountant will be responsible for preparing month-end journal entries and reconciliations related to cash, prepaids, fixed assets and accruals. The Staff Accountant will also assist with setting up AP suppliers, approving employee expense reimbursement reports, and supporting ad hoc projects. About Omeros Corporation Omeros is an innovative biotechnology company that discovers, develops, and commercializes first-in-class small-molecule and protein therapeutics for large-market and orphan indications, with particular emphasis on complement-mediated diseases, cancers, and addictive or compulsive disorders. Omeros’ lead lectin pathway inhibitor YARTEMLEA®, which inhibits the pathway’s effector enzyme MASP-2, is FDA-approved for the treatment of hematopoietic stem cell transplant-associated thrombotic microangiopathy (TA-TMA) in adult and pediatric patients ages two years and older, with a planned U.S. launch in January 2026. A marketing authorization application for YARTEMLEA in TA-TMA is currently under review by the European Medicines Agency, with a decision expected in mid-2026. OMS1029, Omeros’ long-acting MASP-2 inhibitor, has successfully completed Phase 1 clinical trials. Under a recently announced asset purchase and licensing agreement, Novo Nordisk acquired global rights to zaltenibart (formerly OMS906), a MASP-3 inhibitor in clinical development for PNH and other alternative pathway indications, along with associated intellectual property and related assets. Omeros’ pipeline also includes OMS527, a phosphodiesterase 7 inhibitor in clinical development for cocaine use disorder and fully funded by the National Institute on Drug Abuse, as well as a growing portfolio of novel molecular and cellular oncology programs. For more information about Omeros and its programs, visit [ Come be a part of Omeros, come join our Finance Team! Essential Duties & Responsibilities: * Prepare month-end journal entries and reconciliations for various general ledger accounts including cash, prepaids, fixed assets and legal accruals * Assist with review of employee expense reimbursement to ensure compliance with policy * Perform transactional and month-end closing procedures for the Fixed Assets and Cash modules * Set up and maintain Accounts Payable (AP) suppliers in the ERP system, ensuring accuracy and completeness of vendor records * Contribute to the development and implementation of accounting processes and policies to maximize the functionality of the Oracle Fusion ERP system * Assist in organizing and maintaining documentation to support compliance with SOX requirements, including the performance and documentation of key control activities

• Assist with any applicable government reporting and any ad hoc projects
• Provide audit support to internal or external auditors as needed
• Work with the team to assist in the tie-out of public filings on a quarterly

basis Education, Experience, Knowledge, & Skills Required: * Requires a BS degree in Business with an Accounting concentration, with a minimum of 2 years of experience specific to the position responsibilities

• CPA or a CPA candidate, preferred but not required
• Audit experience a plus, but not required
• Experience with ERP accounting systems, or ability to learn quickly
• Ability to take ownership of assigned areas and identify opportunities for

process improvement

• Ability to follow work direction given by others
• Excellent verbal and written communication skills, with the ability to build

and maintain positive relationships internally and externally * Demonstrates analytical skills and effective problem-solving capabilities as well as attention to detail

• Dedicated to meeting deadlines
• Willingness to learn

Behavioral Competencies Required: * Demonstrated ability to build and maintain positive relationships and credibility both internally and externally * Integrity Physical Demands Required: * Position requires prolonged periods of sitting and constant use of a computer and keyboard. Compensation and Benefits: Omeros is proud to offer a competitive total compensation package designed to support the lives of our employees and their families. The wage scale for this position is ($72,000-$90,000). Salaries will be determined based on knowledge, skills, education, and experience relevant to the role. Employees are offered medical, dental, vision, life insurance, and a 401(k) plan with a company match. Employees accrue three weeks of vacation and 80 hours of sick time on an annual basis and receive twelve paid holidays throughout the calendar year. This position is eligible for incentive and stock options. To learn more about Omeros, please visit Omeros is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to status as a protected veteran or a qualified individual with a disability, or other protected status such as race, religion, color, national origin, sex, age, marital status, or any other factor determined to be unlawful by federal, state, or local statutes. It is our policy to provide reasonable accommodation to anyone with a disability who needs assistance completing the job application process. If you need assistance, you can either send an e-mail to View email address on click.appcast.io or contact Omeros, asking for Human Resources, at View phone number on click.appcast.io. To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above are representative of the knowledge, skills, and/or abilities required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.