Administrative Assistant

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. 

onsemi is seeking an Administrative Assistant. The individual will work in a dynamic team environment providing administrative and office support for the following position description:

Serve as a shared administrative resource for Sales, business executives, and site operations.

• Supporting Sales and business executives with day‑to‑day administrative needs, including travel coordination, expense management, scheduling, and logistics.
  • Provide administrative support to internal functions, including coordination of documentation, filings, records, and other business-related administrative topics.
  • Support the Munich site with general office administration and coordination, including front-desk coordination, large meeting preparations (all hands) onboarding support for new colleagues, data entry, other office operations - and overally making sure the office runs smoothly.
  • Manage and coordinate complex calendars and scheduling, including meetings, interviews, executive appointments, and multi‑party logistical arrangements (onsite and virtual).
  • Coordinate and support team events, meetings, and business luncheons, both onsite and virtually, reserve conference rooms and equipment, print and prepare documents for meetings, assist in coordination and preparation for key meetings.
  • Arrange and manage business travel, including bookings and itinerary coordination.
  • Submit, track, and reconcile expense reports for supported executives and functions.
  • Provide support for Purchase Requisitions.
  • Provide a professional point of contact and general support for visitors, candidates, and external stakeholders.
  • Maintain spreadsheets, trackers, and simple databases to support business and office administrative needs.
  • Provide backup support to the frontdesk, another administrative assitant and assist other functions as required to ensure smooth site operations.
  • Support special projects and ad‑hoc initiatives as assigned.
  • Provide front desk support as needed: Write and submit Purchase Orders for software and hardware, update org charts, maintain office supply inventory and ordering, new employee setup, business card ordering for new hires (PO and coordination with the employee), daily sorting of the incoming mail.

Formal Education required:

• High School /GED (Secondary).
• Commercial, business administration, office management, or equivalent administrative education preferred.

Experience required:

• At least 2 years of office administration, executive assistance, or comparable administrative support experience. 

Specific Skills Desired:

• Strong communication and interpersonal skills.
• Strong detail orientation.
• High energy and passion for interaction with people.
• Must be able to multi-task in a fast-paced, high-volume environment.
• Experience working in a high activity manufacturing, or similar, environment preferred.
• Demonstrated ability to organize and manage multiple priorities in a quick moving and change oriented environment.
• Able to work in a highly collaborative environment.
• Strong English and German language skills.