Jobs and Careers
ON

Part-Time Administrative Assistant

onsemi
United Statespart_timeVerifiedPosted 12 Dec 2025

About the role

Job Summary:

onsemi is currently seeking an energetic, highly organized Part-time Administrative Assistant.  The Administrative Assistant will be responsible for supporting a team by working collaboratively with management on various tasks and projects. This role is a PART-TIME position for approximately 5 hours/week and is based in our Corvallis office. 

  • Assists the team by handling office tasks (ordering, invoice reconciliation, making reservations or travel arrangements, supporting new colleague onboarding, shipping, assisting and data entry
  • Performs a wide range of administrative and general support duties of a highly responsible and confidential nature.
  • Organizes and schedules appointments, including interview schedules and other complicated logistical arrangements.
  • Responsible for scheduling team member events, luncheons, and meetings, onsite and virtually.
  • Writes and distributes email, correspondence memos, letters, and forms.
  • Assists in the preparation of regularly scheduled reports, and support collation of data for weekly meetings.
  • Orders office supplies and coordinate with suppliers.
  • Books travel arrangements.
  • Submits and reconciles expense reports.
  • Provides general support to candidates and visitors.
  • Completes special projects as assigned.
  • Create spreadsheets and databases to support business need.
  • Provides back-up support to the receptionist and supports other functions as needed when needed.
  • Maintains site and Companywide SOPs 
  • Other duties as needed or assigned.


 

Requirements:

  • Bachelor’s degree is highly preferred.
  • 5+ years administrative experience supporting a team, preferably in a manufacturing environment.
  • Collaborative, open, and transparent.
  • Excellent communication skills (verbal + written).
  • Team player with strong organizational skills.  Self-motivated, engaged, and able to perform moderately complex tasks independently.
  • Quick learner – able to juggle priorities in handling multiple tasks simultaneously.
  • Strong problem-solving skills, takes initiative, and is sensitive to confidential information.
  • Able to identify opportunities for efficiencies in office work practices and collaborate to develop and implement solutions.
  • Strong computer skills in Microsoft Office (i.e., Word, Excel, and PowerPoint).
  • Solid attention to detail and ability to manage shifting priorities.
  • Must be willing to work overtime as needed
  • A strong goal-orientation and high energy level are critical.
  • Familiarity working with a company experiencing rapid growth.


 

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

More details about our company benefits can be found here:

https://www.onsemi.com/careers/career-benefits

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Company

onsemi

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