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.
Responsibilities
- 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
More details about our company benefits can be found here:
https://www.onsemi.com/careers/career-benefits
Skills Required
- 8+ years of administrative experience in a professional, corporate environment
- High School diploma or equivalent
- Experience supporting senior leaders, ideally within a fast-paced or technology-driven company
- Strong organizational and prioritization skills
- Excellent written and verbal communication skills
- 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 mindset
onsemi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about onsemi and has not been reviewed or approved by onsemi.
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Retirement Support — Retirement programs are highlighted by a U.S. 401(k) with a 100% match on the first 4% and immediate vesting. International plans such as Ireland’s defined contribution scheme and Germany’s company-funded pension elements reinforce long-term savings.
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Leave & Time Off Breadth — Time-off policies include ten paid holidays, flexible vacation for exempt employees, and three to five weeks of vacation for non-exempt staff as tenure grows, alongside sick time accrual. Paid leaves span parental, bereavement, jury duty, and military service, with Europe locations offering additional statutory and seniority-based days.
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Parental & Family Support — Family supports include eight weeks of paid parental leave, company-sponsored backup care for children, adults, and pets, and up to $15,000 in adoption assistance. Regional provisions such as Switzerland’s child allowance and accessible EAP counseling show added attention to household needs.
onsemi Insights
What We Do
We are building a better future through intelligent technology. For over 60 years, onsemi and its ancestors have been leading the world’s greatest technology advancements. 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.
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