Executive Assistant

Job Title

Executive Administrative Assistant

Job Description

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

Responsibilities include:

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

Qualifications

Qualifications & Experience include:

• 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 include:

• 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

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:

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 2505586
• Job Category Administrative Assistants
• Posting Date 06/04/2026, 11:25 PM
• Degree Level Bachelors
• Job Schedule Full time
• Locations 5701 N Pima Road, Scottsdale, AZ, 85250, US 150 Rose Orchard Way, San Jose, CA, 95134, US