14 Results for 20 Hours Part Time Executive Assistant Jobs in Newport Beach, CA

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Executive Assistant

Irvine, California
onsite
Temporary to Hire
45.6 - 52.8 USD / Hourly
We are looking for an experienced Executive Assistant to support senior leadership within a Financial Services organization based in Irvine, California. This contract-to-permanent opportunity is ideal for a candidate with relevant experience who excels at managing competing priorities, handling sensitive information, and keeping executive operations running smoothly. The role requires strong judgment, exceptional organization, and the ability to communicate effectively while coordinating schedules, travel, documentation, and high-level administrative initiatives. Responsibilities: • Oversee complex calendars for executive leadership, arranging meetings, prioritizing requests, and resolving scheduling conflicts to protect time and support business objectives. • Organize domestic business travel from initial booking through final itinerary management, ensuring leaders have accurate schedules, confirmations, and logistical support. • Prepare, process, and reconcile expense submissions with a high degree of accuracy, including items that require additional executive-level review and approval. • Create, refine, and proofread presentations, reports, correspondence, spreadsheets, and other executive materials to ensure quality and consistency. • Draft communications on behalf of leadership, gather relevant information, and support decision-making through research and concise data analysis. • Coordinate internal and external meetings by managing invitations, assembling agendas and background materials, and documenting follow-up items when needed. • Partner with executives and cross-functional teams to keep administrative activities on track, monitor action items, and support special projects or strategic initiatives. • Review supporting documents prior to signature, submit purchase requests, and manage departmental supply and administrative needs efficiently. • Provide logistical support for off-site meetings, events, and executive programs, including occasional travel assistance tied to business initiatives.
2026-10-01T00:00:00Z

Executive Assistant

San Luis Rey, California
onsite
Temporary / Contract
32 - 40 USD / Hourly
A growing organization in the San Luis Rey area is looking for a highly organized Executive Assistant to provide direct support to senior leadership while helping keep day-to-day business priorities moving forward.This is not a role where you'll simply manage a calendar. The ideal candidate will be someone who can anticipate needs, keep executives prepared, manage competing priorities, and take ownership of important follow-ups. You'll interact with leadership, clients, vendors, and internal teams and will need excellent judgment and discretion. What You'll Do:<ul><li>Manage complex executive calendars and scheduling priorities</li><li>Coordinate meetings, conference calls, and appointments</li><li>Prepare agendas, meeting materials, presentations, and reports</li><li>Monitor follow-ups and action items after leadership meetings</li><li>Coordinate domestic travel, accommodations, transportation, and itineraries</li><li>Prepare and organize expense reports</li><li>Draft and proofread correspondence and internal communications</li><li>Serve as a professional point of contact for executives</li><li>Coordinate communication between leadership and internal departments</li><li>Maintain confidential business and personnel information</li><li>Assist with special projects and time-sensitive initiatives</li><li>Track deadlines and important deliverables</li><li>Help coordinate executive events, meetings, and presentations</li><li>Maintain organized electronic files and records</li><li>Assist with basic budget, invoice, and purchasing tracking</li><li>Identify opportunities to streamline administrative processes</li><li>Provide additional support to leadership as priorities shift</li></ul>
2026-09-23T00:00:00Z

Executive Assistant

Pasadena, California
onsite
Temporary / Contract
28 - 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. Please submit your resume and call 626.463.2031 to schedule your interview. 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
2026-09-17T00:00:00Z

Executive Assistant

Los Angeles, California
onsite
Temporary / Contract
35 - 40 USD / Hourly
We are looking for an Executive Assistant to support executive leadership operations for an entertainment company in Santa Monica. This long-term contract position is ideal for someone who thrives in a fast-moving environment, stays organized under pressure, and brings strong judgment to scheduling, communication, and administrative coordination. The role combines executive calendar support, travel planning, meeting logistics, and day-to-day administrative follow-through while working on-site Monday through Thursday with remote work on Fridays. This position is covering for a maternity leave and will last four to six months. Responsibilities:• Manage complex executive calendars, prioritize appointments, and adjust schedules quickly as business needs change.• Arrange domestic travel plans, including itineraries, reservations, and related logistics for leadership team members.• Coordinate meetings across internal and external stakeholders, ensuring timing, materials, and attendance are aligned.• Launch and support virtual meetings, troubleshoot basic technology issues, and help sessions begin smoothly and on time.• Screen and route calls professionally, relay messages accurately, and maintain efficient communication flow for executives.• Review, track, and process invoices with close attention to accuracy and established procedures.• Provide day-to-day administrative support that keeps executive operations organized, responsive, and running efficiently.• Work closely with leadership in a high-volume setting, handling multiple priorities with discretion and professionalism.
2026-09-25T00:00:00Z

Executive Assistant

Alhambra, California
onsite
Temporary / Contract
28 - 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. Please submit your resume and call 626.463.2031 to schedule your interview. 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
2026-09-17T00:00:00Z

Executive Assistant

Long Beach, California
onsite
Temporary / Contract
47.5 - 55 USD / Hourly
We are looking for a detail-oriented Executive Assistant to support senior financial leadership within a fast-paced aerospace environment. This long-term contract position is ideal for someone who can manage competing priorities, maintain strong organization, and handle sensitive information with discretion. The role will focus on keeping daily executive operations running efficiently through scheduling, communication coordination, document preparation, and travel support. Responsibilities: • Oversee the executive calendar by arranging appointments, aligning meeting schedules, and helping maximize time across internal and external commitments. • Prepare presentations, reports, and other business documents to support leadership discussions, financial reviews, and stakeholder communication. • Assist with gathering and organizing financial information so leadership has accurate materials available for planning and decision-making. • Coordinate business travel logistics, including air travel, lodging, ground transportation, and related itinerary details. • Serve as a point of contact for executives, employees, and outside partners by managing requests and facilitating timely follow-up. • Record, prepare, and distribute meeting minutes while tracking action items and supporting follow-through on key discussions. • Process and organize expense reporting documentation with accuracy and attention to deadlines. • Support office administration by maintaining files, ordering supplies, and assisting with events, conferences, and special projects as needed. • Handle confidential records and sensitive communications with professionalism, sound judgment, and a high level of discretion.
2026-09-29T00:00:00Z

Executive Assistant

Azusa, California
onsite
Temporary to Hire
32 - 44 USD / Hourly
We are looking for an Executive Assistant to support operational leadership within a mission-driven non-profit organization in California. This contract-to-permanent position is ideal for a highly organized individual who can manage executive-level coordination, maintain momentum on priority projects, and handle sensitive information with discretion. The role requires strong judgment, effective communication, and the ability to keep meetings, reporting, travel, and administrative workflows running smoothly across multiple stakeholders. Responsibilities: • Manage high-level administrative support for operations leadership, ensuring daily activities, priorities, and deliverables are organized and executed efficiently. • Track assigned initiatives and action items for Operations managers, providing regular status updates and helping keep short- and long-term projects on schedule. • Coordinate calendars, meetings, interviews, and appointments, while preparing agendas, documenting discussions, and distributing meeting materials and notes promptly. • Serve as a key administrative link between Operations and internal departments, helping streamline communication and maintain alignment across teams and leadership groups. • Prepare, revise, and format correspondence, reports, spreadsheets, presentations, and other business documents on behalf of executive and senior leaders. • Maintain secure electronic and manual records, safeguarding confidential files and ensuring information is accurate, accessible, and well organized. • Compile data, research findings, and statistical information for operational reporting, committee work, clinical discussions, and board or advisory meeting materials. • Arrange travel, conference registration, lodging, and related logistics for leaders, staff, and occasional guests, while supporting event coordination as assigned. • Monitor department-related expenses, assist with budget tracking, reconcile administrative card activity, and help obtain approvals for purchases and expenditures. • Order office supplies, furnishings, and equipment, while supporting vendor coordination, pricing review, and contract-related administrative tasks.
2026-10-02T00:00:00Z

Part Time HR Specialist

La Puente, California
onsite
Temporary / Contract
30 - 36 USD / Hourly
Position SummaryWe are seeking an experienced and knowledgeable Part-Time Human Resources Specialist (20 HOURS) to support our growing workforce and mission-driven culture. This role serves as the primary HR resource for employees and leadership, ensuring compliance with California employment laws while fostering a positive and professional work environment.The ideal candidate will have strong experience in employee relations, workplace investigations, performance management, and employment law compliance, particularly within California. This individual will be responsible for managing sensitive employee matters, providing HR guidance, and supporting day-to-day HR operations.Key ResponsibilitiesEmployee Relations & Investigations· Serve as the primary point of contact for employee relations concerns and workplace issues.· Conduct thorough, impartial workplace investigations related to employee complaints, policy violations, harassment, discrimination, and other personnel matters.· Document findings and provide recommendations for appropriate corrective actions.· Partner with leadership on performance management, corrective action plans, and conflict resolution.Terminations & Performance Management· Manage employee disciplinary processes in accordance with organizational policies and California labor laws.· Provide guidance and support regarding employee separations, terminations, and reduction-in-force activities.· Ensure all termination documentation and processes are compliant and properly administered.HR Compliance· Maintain compliance with federal, state, and local employment laws, with a strong emphasis on California labor law.· Advise management on HR best practices, policy interpretation, and legal compliance.· Review and update employee handbook, policies, and procedures as needed.Employee Support & HR Administration· Respond to employee questions regarding:o Benefits and leave programso Payroll and compensation inquiries, Paxchex experience preferredo Workplace policies and procedureso Employee performance concernso General HR-related matters
2026-09-30T00:00:00Z

Part-Time Accounts Payable Clerk

Los Angeles, California
onsite
Temporary to Hire
23.75 - 27.5 USD / Hourly
We are currently seeking a Part-Time Accounts Payable Clerk to join a nonprofit organization in the 90043 area. This is an excellent opportunity for someone with solid AP experience who is detail-oriented, dependable, and comfortable working independently. Experience with AccuFund is strongly preferred. Responsibilities<ul><li>Process and enter vendor invoices into AccuFund</li><li>Review invoices for accuracy, proper coding, and required approvals</li><li>Maintain vendor records and documentation</li><li>Prepare invoices and bills for payment</li><li>Assist with check runs and payment processing</li><li>Match invoices with purchase orders and supporting documentation</li><li>Research and resolve invoice discrepancies</li><li>Maintain organized AP files and records</li><li>Assist with account coding and general accounting tasks</li><li>Support month-end AP activities and reporting</li><li>Communicate with vendors regarding invoices, payments, and account questions</li></ul>
2026-09-22T00:00:00Z

Human Resources Assistant

Glendale, California
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 email your resume and call 626.463.2031 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
2026-09-17T00:00:00Z

Human Resources Assistant

Oceanside, California
onsite
Temporary / Contract
23 - 27 USD / Hourly
Robert Half is hiring an HR Assistant for an established organization in Oceanside that is looking for a detail-oriented professional to support its growing Human Resources team. This is a great opportunity for someone who has HR administrative experience and wants to get more exposure to the full employee lifecycle.You’ll be the person helping keep employee records, onboarding, HR paperwork, and day-to-day employee requests organized and moving forward.What You’ll Do:<ul><li>Provide administrative support to the Human Resources department</li><li>Assist with new-hire onboarding and orientation</li><li>Prepare offer letters, employment documents, and new-hire paperwork</li><li>Coordinate background checks, I-9 documentation, and employment verifications</li><li>Maintain accurate employee files and HRIS records</li><li>Process employee status changes, transfers, and terminations</li><li>Respond to routine employee questions and direct more complex matters to HR leadership</li><li>Assist with benefits enrollment and employee benefits questions</li><li>Track attendance, timekeeping, and other employee information</li><li>Prepare HR reports, spreadsheets, and employee lists</li><li>Assist with performance review and training documentation</li><li>Maintain confidential personnel records</li><li>Help coordinate employee meetings, training, and company events</li><li>Assist with leave documentation and follow-up</li><li>Support HR projects and process improvements as needed</li></ul>
2026-09-29T00:00:00Z

Human Resources Assistant

Oceanside, California
onsite
Temporary / Contract
26 - 30 USD / Hourly
A busy construction company is seeking an HR Assistant to support a growing workforce of office and field employees. This position is perfect for someone who enjoys a fast-moving, hands-on HR environment where no two days look exactly the same.You'll work closely with HR, payroll, project management, and field leadership to keep employee records, onboarding, timekeeping, and HR processes running smoothly.Responsibilities<ul><li>Assist with onboarding new field and office employees</li><li>Coordinate pre-employment documentation and background checks</li><li>Maintain employee files and HR records</li><li>Track certifications, licenses, and required employee documentation</li><li>Assist with new-hire orientations</li><li>Update employee information in HR and payroll systems</li><li>Help coordinate employee training and safety-related documentation</li><li>Assist with timekeeping and attendance questions</li><li>Support payroll with employee status and documentation changes</li><li>Prepare HR reports and tracking spreadsheets</li><li>Assist with benefits and employee communications</li><li>Coordinate employee separations and offboarding</li><li>Respond to routine employee questions</li><li>Maintain confidential personnel information</li><li>Assist with audits and compliance documentation</li><li>Support HR projects as the company continues to grow</li></ul>
2026-09-14T00:00:00Z

Human Resources Assistant

Encinitas, California
onsite
Temporary / Contract
26 - 28 USD / Hourly
A growing life sciences company in North County is looking for an organized and personable HR Assistant to join its People Operations team. This is a great opportunity for someone who wants exposure to the full employee lifecycle and is ready to grow beyond traditional administrative work. You'll support recruiting, onboarding, employee records, HRIS updates, and day-to-day employee needs while working closely with an experienced HR team.What You'll Do<ul><li>Coordinate new-hire onboarding from offer acceptance through the employee's first day</li><li>Prepare and maintain employee personnel files</li><li>Process employment documentation, background checks, and I-9s</li><li>Update employee information in the HRIS</li><li>Schedule interviews and communicate with candidates</li><li>Assist with job postings and recruiting coordination</li><li>Coordinate new-hire orientations and training sessions</li><li>Track employee status changes, transfers, and terminations</li><li>Assist employees with basic HR questions and direct more complex issues appropriately</li><li>Support benefits enrollment and employee communications</li><li>Prepare HR reports and spreadsheets</li><li>Maintain confidential HR records</li><li>Assist with employee engagement initiatives</li><li>Support the HR team with special projects and process improvements</li></ul>
2026-09-14T00:00:00Z

HR Assistant

Los Angeles, California
onsite
Temporary / Contract
21 - 25 USD / Hourly
We're working with a non-profit client in Culver City who are looking for a HR Assistant to support their team during an upcoming project. You'll be responsible for helping to onboard employees, i-9 verifications, creating profiles in the HRIS system, updating employee files and assisting with employee relations.
2026-09-21T00:00:00Z

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