About the Role
We are hiring a Senior Administrative Assistant in Ontario, CA to support leadership with high-impact coordination, polished communication, and airtight organization. You will own calendars, meetings, documents, and follow through that keeps projects moving and teams aligned.

What You Will Do
• Manage complex calendars, schedule meetings, and coordinate travel and logistics
• Prepare agendas, take minutes, track action items, and drive follow up to completion
• Draft and edit emails, presentations, and reports with clear, concise language
• Maintain files, records, and shared drives with consistent naming and version control
• Field calls, route inquiries, and deliver professional front-line support
• Process invoices, POs, and expenses; reconcile statements as needed
• Coordinate events, visitor schedules, room bookings, and AV needs
• Partner with HR and Operations on onboarding, access, and office supplies
• Protect confidential information and exercise sound judgment at all times

What You Bring
• 4 to 6 years in administrative support, with at least 2 years supporting senior leaders
• Expert in Microsoft Outlook, Word, Excel, PowerPoint; comfortable with Teams or Zoom
• Proven calendar management, meeting coordination, and travel planning
• Strong writing, proofreading, and document formatting skills
• High attention to detail, excellent time management, and calm under deadlines
• Professional presence, customer service mindset, and proactive problem solving
• Ability to prioritize, anticipate needs, and follow through without reminders

Nice to Have
• Experience in professional services, logistics, manufacturing, or a multi-site environment
• Familiarity with expense systems and basic purchasing workflows
• Exposure to SharePoint, Adobe, or a ticketing system

What Success Looks Like
• 30 days: clean calendars, reliable meeting cadence, accurate notes and trackers
• 60 days: streamlined processes, on-time deliverables, zero rework on core tasks
• 90 days: trusted partner to leaders, fewer scheduling conflicts, smoother operations

Benefits and Perks
• Competitive pay with performance review
• Medical, dental, vision, and life insurance
• 401k with company match
• Paid time off and holidays
• Growth opportunities, training, and a supportive team culture

Equal Opportunity Employer / Disabled / Protected Veterans

The Know Your Rights poster is available here:
https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12.pdf

The pay transparency policy is available here:
https://www.dol.gov/sites/dolgov/files/ofccp/pdf/pay-transp_%20English_formattedESQA508c.pdf

For temporary assignments lasting 13 weeks or longer, AppleOne is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AppleOne participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.
https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster_ES.pdf

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.