About this role
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:
https://www.onsemi.com/careers/career-benefits
onsemi is driving disruptive innovations to help build a better future—powering sustainable energy, mobility, and advanced electronics. As a global leader in semiconductor solutions, we operate in a fast-paced, high-performance environment where precision, collaboration, and professionalism are key.
About the Role
We’re seeking a highly organized, polished, and proactive Administrative Assistant with demonstrated experience in a corporate environment. In this role, you’ll provide critical support to leaders and teams in our Operations and Manufacturing organization, ensuring seamless day-to-day operations and enabling business efficiency.
This is an excellent opportunity for a detail-oriented professional who thrives in a structured, technology-driven organization and enjoys being a trusted partner to leadership.
• Provide administrative support to leaders and cross-functional teams in a corporate, global environment • Manage complex calendars, including scheduling across multiple time zones and shifting priorities • Coordinate domestic and international travel, including itineraries and expense reporting • Prepare high-quality documents, presentations, and communications for business use • Facilitate meetings, including logistics, agendas, and follow-up actions • Serve as a professional point of contact for internal stakeholders and external partners • Handle confidential information with a high level of discretion and professionalism • Work with administrative assistants in other organizations to coordinate schedules, projects and other initiatives • Identify opportunities to improve administrative processes and drive efficiency • Support projects and initiatives tied to business and operational priorities • Maintain team office supplies, ordering stock, etc • Interface with support organizations like IT and Facilities to arrange and coordinate services for team members and support office/cubicle assignments for the team • Maintain organized digital filing systems and documentation (Teams, Sharepoint, etc)
• 8+ years of administrative experience in a professional, corporate environment (required) • High School diploma or equivalent • Experience supporting senior leaders, ideally within a fast-paced or technology-driven company • Strong organizational and prioritization skills with the ability to manage multiple tasks • Excellent written and verbal communication skills with a professional, polished tone • Advanced proficiency with Microsoft Office (Outlook, Word, Excel, PowerPoint) • Experience managing complex calendars and coordinating across teams and regions • High attention to detail and strong problem-solving capabilities • Ability to work independently while collaborating effectively across functions • Professional presence and a proactive, solutions-oriented mindset
Preferred Qualifications
• Experience supporting executives or senior leadership • Background in a global corporation, ideally within semiconductor, technology, or manufacturing environments • Familiarity with corporate systems (e.g., travel management, PO placement and similar tools) • Ability to anticipate needs and operate with a high degree of ownership