ON Semiconductor

Administrative Assistant

ON Semiconductor • $61K — $107K *
San Jose, CA 95123In-Person
Business Services
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Bachelor's degree or equivalent experience
  • 7+ years of experience supporting senior leadership, including VP or C-level executives
  • Proven experience managing complex calendars and travel logistics

Responsibilities

  • Provide high-level, confidential support to executive leadership
  • Manage complex executive calendars to optimize scheduling
  • Coordinate domestic and international travel arrangements
  • Prepare and submit expense reports in compliance with company policies
  • Plan and coordinate executive meetings with agenda development

Benefits

  • Competitive benefits package
  • Includes health insurance, retirement plans, and paid time off
  • Supportive corporate culture focused on employee development
  • Opportunities for career advancement through internal promotions
  • Access to various employee resource groups and wellness programs
Full Job Description
Job Description

onsemi is seeking a highly organized and proactive Administrative Assistant to provide confidential and comprehensive support to a Vice President of a Business Division and their leadership team. In this role, you will be a critical partner, enabling executive efficiency through effective calendar management, operational coordination, and administrative excellence in a fast-paced, global environment.

Responsibilities

  • Provide high-level, confidential administrative support to the VP of Business Division and leadership staff, ensuring seamless day-to-day operations
  • Manage complex and dynamic executive calendars, optimizing scheduling efficiency and prioritizing critical business needs
  • Coordinate domestic and international travel arrangements, including flights, accommodations, ground transportation, and visa/passport processing
  • Prepare, review, and submit expense reports in compliance with company policies and timelines
  • Plan and coordinate executive meetings, including agenda preparation, materials development, and follow-up actions
  • Organize and support internal and external meetings, including customer visits, conference room setup, and catering arrangements as required
  • Act as a primary point of contact for incoming communications (emails, calls, mail), ensuring timely responses and proper prioritization
  • Maintain and update organizational charts, contact lists, and departmental records
  • Manage TEAMS sites and support SharePoint access requests, content updates, and user permissions
  • Support cross-functional coordination by liaising with internal stakeholders, leadership teams, and external partners
  • Handle multiple projects simultaneously, ensuring timely execution and adherence to strict deadlines
  • Assist in purchase order creation, invoice tracking, and vendor coordination
  • Manage office operations, including supply inventory, ordering, and workspace/seat assignments
  • Coordinate IT equipment requests, onboarding/offboarding setup, and asset tracking
  • Prepare documentation for international shipments, including compliance with Global Transfer Systems (GTS) requirements
  • Drive process improvements to enhance administrative efficiency and effectiveness
  • Maintain the highest level of professionalism, confidentiality, and discretion at all times


Qualifications

  • Bachelor's degree or equivalent relevant experience
  • Minimum 7+ years of experience supporting senior leadership, including VP or C-level executives
  • Proven experience managing complex calendars, travel logistics, and executive priorities in a fast-paced environment

Skills & Competencies
  • Advanced proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Teams) and collaboration tools
  • Strong organizational and time-management skills with exceptional attention to detail
  • Ability to work independently with minimal supervision while maintaining high productivity
  • Excellent problem-solving skills with a proactive, solution-oriented mindset
  • Strong interpersonal and communication skills, with the ability to interact effectively across all levels of the organization
  • High level of professionalism with a positive, approachable demeanor
  • Ability to prioritize competing demands and manage multiple stakeholders simultaneously
  • Adaptability and resilience in a rapidly changing, high-pressure environment
  • Strong sense of ownership, accountability, and commitment to delivering results

onsemi is excited to share the base salary range for this position is $61,065.00 to $107,065.00 Range exclusive of fringe benefits or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf

About ON Semiconductor

The Farichild Semiconductor founders was called "Traitorous eight". - Robert Noyce (Intel Founder) - Gordon Moore (Intel Founder) - Eugene Kleiner (KPCB Founder) - Jay Last - Victor Grinich - Sheldon Roberts - Julius Blank - Jean Hoerni

ON Semiconductor Careers

Join the dynamic team at ON Semiconductor, a premier global provider of high-performance silicon solutions for energy-efficient electronics. This is an unparalleled opportunity to advance your career with a company at the forefront of technological innovation, environmental sustainability, and progressive employment practices.

Work You’ll Do

At ON Semiconductor, you will be part of a culture that thrives on diversity, innovation, and leadership. Our company is committed to nurturing talent and encouraging growth through comprehensive professional development and diversity training. As a member of our team, you will contribute to projects that shape the future of technology, working alongside over 30,000 dedicated professionals worldwide.

Explore Job Opportunities

Whether you're a seasoned professional looking for your next challenge or a recent graduate eager to put your degree to work, ON Semiconductor offers a range of career paths. Our job opportunities span from engineering to marketing, each position offering a chance to innovate and lead in your field.

Internship Programs

Kickstart your career with an ON Semiconductor internship. Our internships provide invaluable hands-on experience, networking opportunities, and insights into our day-to-day operations. You’ll work closely with experienced professionals and gain the skills necessary to excel in the semiconductor industry.

Professional Growth and Benefits

ON Semiconductor is deeply invested in the professional growth of its employees. We offer robust training programs, leadership development opportunities, and a supportive network to help you reach your career goals. Our benefits package is designed to support the diverse needs of our workforce, including health, wellness, and continuous learning.

Join Our Team

We are hiring! Search open positions that match your skills and interests on our Careers page. We look for passionate, curious, creative, and solution-driven team players. Prepare your resume, sharpen your interview skills, and get ready to make a significant impact at ON Semiconductor.

Stay Connected

Keep up to date with the latest at ON Semiconductor by reading our Careers Blog. Here, you’ll find career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here.

Job Alert Emails

Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at ON Semiconductor. Join ON Semiconductor today and be part of a team that values innovation, leadership, and a commitment to diversity and professional growth. Explore how you can contribute to our mission of creating a smarter, greener, more connected world.
Learn more about ON Semiconductor
Size
30,000 employees
Market Cap
$26.4 billion
Industry
Manufacturing & Automotive
Net Income
$234.2 million
Founded
1999
5 Year Trend
+11.5%
Revenue
$5.2 billion
NASDAQ
ON
* Ladders Estimates

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