Executive Assistant – Global Operations at ON Semiconductor, San Jose, CA

Executive Assistant – Global Operations at ON Semiconductor in San Jose, CA. Est. up to $100k. Apply with swipeandhired.

onsemi is seeking a highly organized and proactive Executive Administrative Assistant to provide confidential and comprehensive support to a Executive Vice President 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.

• Provide high-level, confidential administrative support to the EVP 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 & Experience

• 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