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14 results for 20 Hours Part Time Executive Assistant in Irvine, CA

Part Time Administrative/Events Assistant

Park La Brea, CA
onsite
Temporary / Contract
25 - 26 USD / Hourly
We are looking for an organized Administrative Assistant to support a nonprofit team through a part-time contract assignment to help prepare for a fundraising event. This position will combine front-office coordination, general administrative support, and event preparation for an upcoming community-focused art marketplace. The role is ideal for someone who can manage daily office tasks while staying attentive to details involved in vendor communication and on-site event logistics. Responsibilities:• Provide day-to-day administrative support by handling office tasks, organizing materials, and maintaining an efficient workspace.• Answer incoming calls, respond to routine inquiries, and direct messages to the appropriate team members in a detail-focused manner.• Assist with event coordination for an upcoming marketplace by contacting vendors and confirming participation details.• Gather and track vendor information such as table size needs, apparel sizing, and other event-related requirements.• Prepare copies, packets, and other administrative documents needed for office operations and special events.• Enter and update data accurately in internal records, spreadsheets, or event tracking documents.• Visit the event venue as needed to support setup planning, coordination efforts, and logistical follow-through.• Help welcome visitors and provide receptionist-style support to ensure smooth communication within the office.
2026-05-11T00:00:00Z

Executive Assistant

Glendale, 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. For immediate consideration apply today!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

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.
2026-05-11T00:00:00Z

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

Sr. Executive Assistant

Santa Monica, CA
onsite
Temporary to Hire
50 - 75 USD / Hourly
We are looking for an experienced Sr. Executive Assistant to provide high-level administrative support in Santa Monica. This contract opportunity has the potential to become permanent and is ideal for someone who excels at keeping executive schedules organized, managing complex travel planning, and ensuring meetings run smoothly. The right candidate will bring strong judgment, attention to detail, and the ability to handle multiple priorities in a fast-paced environment. The ideal candidate will enjoy doing both personal and professional Executive Assistant duties and experience working in a family office is preferred. Responsibilities:• Oversee and maintain executive calendars, ensuring appointments, meetings, and priorities are accurately scheduled and updated.• Coordinate domestic and international travel plans, including flights, lodging, ground transportation, and itinerary preparation.• Manage end-to-end travel logistics and quickly adjust arrangements when schedules or business needs change.• Organize executive meetings by securing schedules, confirming attendance, and preparing logistical details in advance.• Support daily administrative activities for senior leadership with a high degree of professionalism and discretion.• Anticipate scheduling conflicts and proactively recommend solutions to keep executive priorities on track.
2026-05-11T00:00:00Z

Sr. Executive Assistant

Santa Monica, CA
onsite
Temporary to Hire
120000 - 145000 USD / Yearly
We are looking for an experienced and resourceful Sr. Executive Assistant to provide high-level support to a C-level executive in Santa Monica. This contract-to-permanent position is fully onsite and offers the opportunity to serve as a trusted partner in managing complex schedules, travel coordination, office operations, and select personal matters. The ideal candidate brings sound judgment, exceptional organization, and the ability to stay composed while handling shifting priorities in a fast-paced work environment. This firm is growing exponentially, and we are looking for a career EA who has experience supporting high-net-worth individuals. Excellent benefits including paid lunches, team building events and fully paid benefits. Responsibilities:• Manage daily administrative support for senior executives, ensuring priorities, communications, and logistics are handled efficiently across business and limited personal needs.• Coordinate intricate travel plans using both commercial and private options and resolve disruptions quickly to keep itineraries on track.• Oversee executive calendars, schedule meetings and appointments, and partner with administrative team members to maintain alignment across competing demands.• Run essential office functions, including supply ordering, catering coordination, visitor reception, phone coverage, delivery handling, and general workplace organization.• Organize and execute meetings and events such as board sessions, private dinners, team gatherings, and in-office functions with strong attention to detail.• Conduct research, compile information, and provide timely follow-up on requests related to scheduling, logistics, and executive priorities.• Serve as a point of coordination with external contacts and household support personnel when arrangements require cross-functional communication.• Handle local errands and time-sensitive personal tasks such as purchasing gifts, picking up items, and arranging other executive support needs.
2026-05-07T00:00:00Z

Entry Level Office Assistant

Westwood, CA
onsite
Temporary / Contract
20 - 23 USD / Hourly
We're working with a Westwood, CA based client who are looking for an Entry Level Office Assistant to join their team. You'll be responsible for assisting with data entry, ordering and restocking office supplies, mailroom support and assisting with special projects as needed.
2026-04-27T00:00:00Z

Human Resources Assistant

Oceanside, CA
onsite
Temporary / Contract
21 - 25 USD / Hourly
Robert Half is seeking an HR Assistant to support a busy human resources department within a fast-paced professional environment. The HR Assistant will play a key role in supporting onboarding, employee records management, recruiting coordination, and day-to-day HR operations. The ideal HR Assistant is organized, detail-oriented, and capable of handling sensitive information with professionalism and confidentiality. A positive attitude, reliability, and willingness to support multiple HR functions are essential. This contract to potential permanent opportunity is located in the San Diego region and may be onsite or hybrid. Key Responsibilities for the HR Assistant:<ul><li>Support onboarding and new hire documentation processes</li><li>Maintain employee files and update HRIS records accurately</li><li>Assist with interview scheduling and recruiting coordination</li><li>Respond to employee inquiries regarding HR policies and procedures</li><li>Prepare HR-related documents, reports, and correspondence</li><li>Track required trainings, certifications, and employee documentation</li><li>Support benefits administration and payroll coordination tasks</li><li>Assist with audits, compliance projects, and special HR initiatives</li><li>Manage shared HR inbox and maintain confidentiality of employee information</li></ul>
2026-05-07T00:00:00Z

Executive Assistant to the CEO

Beverly Hills, CA
onsite
Temporary to Hire
125000 - 150000 USD / Yearly
We are looking for an experienced Executive Assistant to provide high-level support for a global entertainment firm with offices in Beverly Hills. This opportunity is ideal for an experienced, detail-focused candidate who thrives in a fast-paced corporate entertainment environment and knows how to manage complex executive needs with discretion and precision. The role centers on executive administration, including calendar oversight, travel coordination, meeting preparation, and select personal support responsibilities. Qualified candidates must have entertainment experience and experience supporting C-level executives. Responsibilities:• Manage a demanding executive calendar by coordinating appointments, resolving scheduling conflicts, and ensuring day-to-day priorities are aligned.• Arrange complex domestic and international travel, including flights, ground transportation, car service, and private aviation logistics when needed.• Prepare executives for meetings by organizing materials, developing high-quality PowerPoint presentations, and supporting board-related documentation.• Serve as a point of contact for senior leaders, external partners, and high-profile talent while maintaining discretion and confidentiality.• Handle expense reporting and reimbursement processing accurately using designated corporate systems and established timelines.• Coordinate calls, virtual meetings, and in-person sessions through platforms such as Zoom and Slack, ensuring all logistics are in place.• Provide administrative support across routine executive functions, including correspondence management, meeting scheduling, and daily workflow organization.• Assist with occasional personal support tasks such as arranging personal travel and helping coordinate property-related needs as requested.
2026-05-07T00:00:00Z

Legal Assistant HYBRID 7.5 day

Santa Monica, CA
onsite
Permanent / Full Time
85000 - 105000 USD / Yearly
Respected Am Law Firm Seeks Legal Secretary--7 hour day HYBRID schedule (4 weeks PTO!) About Firm & Position: A well regarded regional litigation firm is seeking a Legal Secretary to support a team of four attorneys in a collaborative office environment. The firm represents clients in complex civil litigation matters and is known for its strong reputation, professional culture, and long tenures among staff. This Legal Secretary role offers the opportunity to work closely with attorneys while managing essential litigation support functions that keep matters running efficiently. The Legal Secretary will serve as a key administrative partner to attorneys handling state and federal litigation matters. Legal Secretary Responsibilities: • Prepare and file documents in both state and federal courts • Maintain litigation calendars and deadlines (CompuLaw training provided) • Coordinate travel, depositions, hearings, and meetings • Assist with time entry and support billing requests with the accounting department • Ensure deadlines, filings, and attorney priorities are organized and addressed efficientlyHours: 37.5 hour workweek (8:30 AM – 5:00 PM preferred) with minimal overtime.Perks: • 37.5 hour workweek • Supportive team environment with collaborative attorneys • Opportunity to work closely with attorneys on sophisticated litigation mattersSalary: $75,000 – $95,000 base salary + discretionary bonusBenefits: Comprehensive benefits package including medical, dental, and vision coverage, 401(k) retirement plan, paid time off, and additional standard employee benefits. usually 8% profit sharing! TO APPLY, ONLY send resume directly to Vice President of Direct Hire, Samantha Graham at Samantha [dot] Graham [at] RobertHalf [dot] [com]
2026-04-10T00:00:00Z

HOA Administrative Assistant

Oceanside, CA
onsite
Temporary / Contract
24 - 32 USD / Hourly
Join a Team That Keeps Communities Running SmoothlyA well-established property management group in Oceanside is seeking an organized and service-focused HOA Administrative Assistant to support daily operations for a large residential apartment community. This role is ideal for someone who enjoys working in a fast-paced office environment, communicating with residents, and keeping administrative processes organized and on track. You’ll work closely with property managers, vendors, board members, and residents to help ensure the community operates efficiently and professionally. What You’ll Be Responsible For<ul><li>Support day-to-day administrative operations for the HOA management team</li><li>Coordinate resident communications, notices, and community updates</li><li>Answer phones, emails, and resident inquiries in a professional and timely manner</li><li>Schedule meetings, prepare agendas, and assist with meeting minutes</li><li>Maintain vendor records, contracts, and work order documentation</li><li>Assist with accounts payable tasks, invoice tracking, and administrative reporting</li><li>Organize and maintain electronic and physical files</li><li>Coordinate maintenance requests and follow up on service completion</li></ul>
2026-05-08T00:00:00Z

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