Demo

Part-Time Administrative Assistant

onsemi
Corvallis, OR Part Time
POSTED ON 12/13/2025 CLOSED ON 1/11/2026

What are the responsibilities and job description for the Part-Time Administrative Assistant position at onsemi?

Job Description

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.

Responsibilities

  • 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.

Qualifications

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.

About Us

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

About The Team

We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.

onsemi is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, ancestry, national origin, age, marital status, pregnancy, sex, sexual orientation, physical or mental disability, medical condition, genetic information, military or veteran status, gender identity, gender expression, or any other protected category under applicable federal, state, or local laws.

If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact Talent.acquisition@onsemi.com for assistance.
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Hourly Wage Estimation for Part-Time Administrative Assistant in Corvallis, OR
$29.00 to $35.00
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