This Administrative Assistant supports three senior leaders by coordinating schedules, travel, communications, projects, and daily office activities. The role also serves as the Scottsdale site administrator for the organization, supporting day-to-day office operations and coordination of employee engagement activities. The role requires confidentiality, good judgment, organization, and the ability to manage multiple priorities.
ResponsibilitiesJob Duties and Responsibilities
- Manage calendars, schedules, and meetings across multiple time zones.
- Arrange domestic and international travel, prepare itineraries, and independently address ad hoc travel changes or complexities as they arise.
- Prepare, submit, and track expense reports.
- Prepare and edit communications, presentations, reports, agendas, meeting summaries, and other documents.
- Coordinate communication with leaders, team members, business partners, and internal departments.
- Serve as the Scottsdale site administrator for the organization by managing day-to-day office operations, coordinating site, visitor, and team logistics, and coordinating employee engagement events.
- Provide onsite administrative support for executives traveling to the site, including welcoming, coordinating onsite meeting rooms, arranging catering requirements, and supporting related logistics.
- Effectively cover for other administrators’ duties as needed to ensure continuity of executive and site support.
- Work with IT, Facilities, HR, Finance, and Security as needed to support onboarding of new employees and other business activities.
- Handle sensitive information and documents confidentially.
- Coordinate legal document signature processing through electronic means, including confidential handling of all legal documents even when confidentiality is not noted on the document.
- Track project actions, timelines, deliverables, and follow-up items.
- Help leaders prioritize administrative needs and complete business activities.
- Resolve routine administrative issues and perform other administrative duties as assigned.
Qualifications
- High School Diploma, GED, or equivalent.
- Minimum of seven (7) years of related administrative experience, or an equivalent combination of education and experience.
- Experience managing calendars, travel, expenses, meetings, and administrative operations.
- Proficiency in Microsoft Office, including Outlook, Word, Excel, and PowerPoint.
- Preferred experience with Oracle platforms and Concur.
- Interest in learning new tools, including AI tools, and supporting implementation of process or system changes.
- Strong written and verbal communication skills.
- Strong organization skills and ability to manage multiple priorities.
- Ability to maintain confidentiality when handling sensitive information, documents, and business matters.
- Ability to use sound judgment, work independently, work with others, and proactively identify opportunities or administrative needs and take action without waiting for leader direction.
More details about our company benefits can be found here:
https://www.onsemi.com/careers/career-benefits
Skills Required
- High School Diploma, GED, or equivalent
- Minimum of seven years of related administrative experience, or equivalent education and experience
- Experience managing calendars, travel, expenses, meetings, and administrative operations
- Proficiency in Microsoft Office, including Outlook, Word, Excel, and PowerPoint
- Experience with Oracle platforms and Concur
- Strong written and verbal communication skills
- Strong organizational skills and ability to manage multiple priorities
- Ability to maintain confidentiality when handling sensitive information, documents, and business matters
- Ability to use sound judgment, work independently, collaborate with others, and proactively identify administrative needs
- Interest in learning new tools, including AI tools, and supporting process or system changes
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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