Enter a job title or keyword

Purchasing Assistant

Omeros


Job Location:

Seattle, WA - USA

Hourly Salary: USD 32 - 37
Posted: 10 October 2026 (Yesterday)
Application Deadline: 7 January 2027
Vacancies: 1 Vacancy

Job Summary

Description

We are a fast-growing and dynamic organization seeking aPurchasing Assistantto join our Operations team. The Purchasing Assistant supports company purchasing by coordinating vendor information purchase orders order status receipts invoice discrepancies and purchasing records. Works with employees vendors and Finance to help ensure purchases are documented and processed accurately. This role is in Seattle WA and will work on-site.

Good things are happening at Omeros!

Who is Omeros

Omeros is an innovative biotechnology company that discovers and develops first-in-class protein and small-molecule therapeutics for both large-market and orphan indications with a focus on the treatment of complement-mediated diseases cancers and addictive or compulsive disorders. Omeros lead complement inhibitor YARTEMLEA (narsoplimab-wuug) which targets the lectin pathways effector enzyme MASP-2 is FDA-approved and commercially available in the U.S. for the treatment of hematopoietic stem cell transplant-associated thrombotic microangiopathy (TA-TMA) in adult and pediatric patients two years of age and older. OMS1029 Omeros long-acting MASP-2 inhibitor has successfully completed Phase 1 clinical trials.

Under an asset purchase and licensing agreement Novo Nordisk acquired global rights to zaltenibart (formerly OMS906) an inhibitor of MASP-3 the alternative pathways key activator which is 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 which is fully funded by the National Institute on Drug Abuse and a growing portfolio of novel recombinant antibodies targeting multidrug-resistant organisms and novel molecular and cellular therapeutic programs for oncology. For more information about Omeros and its programs visit .

What are your job responsibilities

  • Assists in contacting vendors to obtain prices and schedule delivery dates

  • Assists in expediting orders

  • Maintains purchase orders invoices receiving records and supporting documentation; assists with matching purchase orders receipts and invoices.

  • Maintains information on computer systems creates as on demand reports

  • Assists with internal audits of vendors POs

  • May develop and maintain resources for assigned commodity items

  • Prepares standard requests for quotation. Assignments may require initiative regarding pricing revisions order cancellations discontinued items acceptable substitutes delivery date revisions and invoice discrepancies

  • Requests vendor Forms W-9 verifies tax identification information and records applicable vendor classifications including Sunshine Act designations in company systems.

  • Reconciles company credit card transactions and obtains receipts and other supporting documentation.

  • Receiving of goods

  • Interact with company employees at all organizational levels to gather information

  • Provide administrative and clerical support for the Purchasing Department

What education and experience do you need

  • AA degree and 2-4 years of experience in a related role

  • Industry experience is considered a plus

  • Proficiency in Microsoft Excel and Word and experience with purchasing or ERP systems; Oracle Cloud experience is preferred.

  • A good command of the English language with excellent grammatical and proofreading skills

  • Developing analytical and problem solving skills

  • Results oriented with a high attention to detail and excellent organizational planning and time management skills

  • Effective communication skills including excellent verbal and written communication with the ability to effectively communicate with a diverse audience

  • People skills with an emphasis on communications planning and personal accountability

  • Ability to handle multiple tasks while delivering accuracy and delivering on commitments

Behavioral Competencies Required:

  • Able to build and maintain positive relationships with management peers and employees

  • Good interpersonal skills

  • Able to present oneself and represent Omeros in a professional manner

  • Integrity

Physical Demands Required:

  • Intermittent physical activity including bending reaching pushing pulling or lifting up to 30 lbs.
  • May encounter prolonged periods of sitting or standing

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 Purchasing Assistant position is($32.00/hr - $37.40/hr). 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 send an e-mail to




Required Experience:

Junior IC


About Company

Omeros is breaking the mold in the pharmaceutical industry through novel discovery, strategic translational research, and vigorous clinical programs.

View Profile View Profile