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6 results for 20 Hours Part Time Executive Assistant in Riverside, CA

Executive Assistant

Tustin, CA
onsite
Temporary / Contract
30.875 - 35.75 USD / Hourly
We are looking for an experienced Executive Assistant to provide dedicated support to senior leadership in a fully remote environment. This Long-term Contract position is based in Tustin, California, and requires an experienced, detail-oriented individual who can manage competing priorities while partnering with executives across multiple U.S. time zones, with strongest alignment to Mountain Time availability preferred. The ideal candidate brings previous experience supporting C-suite leaders and is confident handling sensitive matters, complex scheduling, and high-level coordination with discretion and accuracy. Responsibilities: • Provide comprehensive administrative and operational support to executive leaders, ensuring day-to-day activities run smoothly and efficiently. • Oversee complex calendars across multiple time zones, arranging meetings, appointments, and leadership commitments with careful attention to priority and timing. • Coordinate business travel from start to finish, including itineraries, reservations, and related logistics for executive schedules. • Develop meeting materials such as agendas, presentations, and reports to help leaders prepare for internal and external discussions. • Monitor key deadlines, action items, and shifting priorities, following up proactively to keep leadership initiatives on track. • Manage sensitive communications and correspondence with a high level of judgment and confidentiality. • Organize virtual and in-person meetings by handling scheduling details, room coordination, and technology readiness. • Assist with the compilation and formatting of executive documents and leadership-facing materials as needed.
2026-05-07T00:00:00Z

Executive Assistant

Pasadena, CA
onsite
Temporary / Contract
27 - 30 USD / Hourly
Robert Half has upcoming opportunities for experienced Executive Assistants. The executive assistant will report directly to and support director level, vice-presidents, and C-level executives. Apply today for immediate consideration. Responsibilities may include:· Providing administrative assistance, such as writing and editing e-mails, drafting memos, and preparing communications on the executive’s behalf· Maintaining comprehensive and accurate records · Performing minor accounting duties · Organizing meetings, including scheduling, sending reminders, and organizing catering when necessary· Answering phone calls in a polite and professional manner· Welcoming visitors and identifying the purpose of their visit before directing them to the appropriate department· Managing the executive’s calendar, including making appointments and prioritizing the most sensitive matters
2026-05-06T00:00:00Z

Executive Assistant

Pasadena, CA
onsite
Temporary to Hire
27.7115 - 33 USD / Hourly
We are looking for an organized and proactive Executive Assistant to support senior leadership within an engineering-focused environment in Pasadena, California. This contract opportunity with permanent potential is ideal for someone who excels at managing complex schedules, coordinating logistics, and keeping executive priorities on track. The right candidate will bring strong judgment, professionalism, and the ability to handle shifting demands with confidence. Responsibilities: • Oversee executive calendars by scheduling appointments, resolving conflicts, and ensuring leaders are prepared for upcoming commitments. • Arrange domestic and international travel plans, including flights, lodging, ground transportation, and detailed itineraries. • Coordinate meeting logistics for executive sessions, including reserving space, confirming attendance, and distributing relevant materials. • Serve as a central point of support for day-to-day administrative needs, helping executives stay organized and focused on key business objectives. • Monitor schedule changes and travel updates, making quick adjustments to maintain efficiency and minimize disruptions. • Prepare and organize information needed for meetings, travel, and leadership activities to support smooth daily operations.
2026-04-22T00:00:00Z

Part Time Accounts Payable Clerk

Mission Viejo, CA
onsite
Temporary / Contract
25 - 31 USD / Hourly
We are looking for a detail-oriented Part Time Accounts Payable Clerk to support a busy organization in Mission Viejo, California. This Contract position offers a consistent part-time schedule of approximately 30 hours per week and is ideal for someone who can manage a steady flow of payables with accuracy and efficiency. The person in this role will work closely with a small accounting team and help keep vendor payments, records, and documentation current and organized. Responsibilities:• Process a high volume of vendor invoices each month with careful attention to accuracy, coding, and timely entry into the ERP system.• Review and record credit memos and debit memos to ensure account balances and supporting documentation remain accurate.• Prepare and complete check runs while verifying payment details and maintaining proper approval records.• Set up ACH payment information and help maintain secure, up-to-date electronic payment records for vendors.• Create and maintain vendor profiles, including registering new suppliers and confirming required documentation is complete.• Enter and track 1099-related information to support year-end reporting requirements and compliance.• Partner with the accounting team to resolve invoice discrepancies, payment questions, and vendor account issues.• Help organize accounts payable files and maintain clear records within the Great Plains system and related documentation processes.
2026-05-04T00:00:00Z

HR Assistant

Monrovia, CA
onsite
Temporary / Contract
20 - 22 USD / Hourly
We currently have ongoing Opportunities for highly skilled and motivated Human Resources Assistants who are deeply passionate about growing at a large company. The HR Assistant will be responsible for handling a variety of personnel related administrative tasks and will provide clerical support to the HR department and employees regarding human resources related activities, policies, processes, and procedures. Please apply today for immediate consideration. · Perform administrative duties, such as maintaining employee database and sorting emails for the HR department· Maintain proper records of employee attendance and leaves· Assist HR Manager in policy formulation, hiring and salary administration· Submit online job postings, shortlist candidates and schedule job interviews· Coordinate orientation and training sessions for new employees· Ensure smooth communication with employees and timely resolution to their queries
2026-05-06T00:00:00Z

HR Assistant

Pasadena, CA
onsite
Temporary / Contract
20 - 22 USD / Hourly
We currently have ongoing Opportunities for highly skilled and motivated Human Resources Assistants who are deeply passionate about growing at a large company. The HR Assistant will be responsible for handling a variety of personnel related administrative tasks and will provide clerical support to the HR department and employees regarding human resources related activities, policies, processes, and procedures. For immediate consideration apply today! · Perform administrative duties, such as maintaining employee database and sorting emails for the HR department· Maintain proper records of employee attendance and leaves· Assist HR Manager in policy formulation, hiring and salary administration· Submit online job postings, shortlist candidates and schedule job interviews· Coordinate orientation and training sessions for new employees· Ensure smooth communication with employees and timely resolution to their queries
2026-05-06T00:00:00Z