Administrative Assistant

Executive Administrative Assistant

onsemi is seeking a highly organized and proactive Executive 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.

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.

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 View email address on click.appcast.io for assistance.

Job Info

• Job Identification 2506182
• Job Category Administrative Assistants
• Posting Date 07/31/2026, 08:19 PM
• Degree Level Bachelors
• Job Schedule Full time
• Job Shift Day
• Locations 150 Rose Orchard Way, San Jose, CA, 95134, US