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58 results for Human Resource Assistant in Costa Mesa, CA

Executive Assistant

Los Angeles, CA
onsite
Temporary / Contract
35 - 40 USD / Hourly
Robert Half is looking to fill a temporary Executive Assistant position from 7/7-7/24. You will cover a vacation leave and will support the President of a creative marketing agency. The ideal candidate is high energy, highly organized, proactive, and an excellent communicator who can thrive in a fast-paced environment and provide seamless executive support. Hours are 8am-5pm and parking is covered. Key Responsibilities<ul><li>Manage a complex calendar, including scheduling, rescheduling, and prioritizing meetings across Pacific and Eastern time zones</li><li>Provide timely meeting reminders, including 10-minute and 1-minute alerts before meetings using cell phone and Slack</li><li>Coordinate lunch and dinner reservations</li><li>Monitor and respond to incoming communications via email and Slack, escalating urgent or high-priority matters as needed</li><li>Arrange travel through the company’s travel agent, including flights, hotels, and ground transportation</li><li>Collect and organize receipts for expense reporting</li><li>Provide general executive support to ensure smooth daily operations during the coverage period</li></ul>
2026-06-04T00:00:00Z

Executive Assistant

Los Angeles, CA
onsite
Temporary / Contract
28.5 - 30 USD / Hourly
We are looking for an organized and proactive Executive Assistant to support senior leadership at a nonprofit organization in Los Angeles, California. This Contract position requires someone who can manage competing priorities, maintain smooth daily operations, and provide dependable administrative support in a fast-paced environment. The ideal candidate brings strong judgment, attention to detail, and the ability to coordinate schedules, travel, and meetings effectively. Responsibilities: • Manage complex executive calendars, schedule appointments, and resolve conflicts to keep leadership priorities on track. • Arrange business travel, including itineraries, transportation, lodging, and related logistics for executive team members. • Coordinate meeting details from planning through follow-up, including preparing agendas, confirming attendees, and organizing materials. • Serve as a key administrative partner to executives by monitoring deadlines, tracking action items, and supporting day-to-day operations. • Communicate with internal and external stakeholders in a clear and detail-focused manner on behalf of leadership. • Prepare correspondence, reports, and presentation materials while ensuring accuracy and timely delivery. • Maintain organized records and documentation to support efficient access to important information. • Assist with special projects and operational tasks as needed to help the leadership team function effectively.
2026-06-08T00:00:00Z

Executive Assistant

Manhattan Beach, CA
onsite
Temporary to Hire
38 - 50 USD / Hourly
We are looking for an Executive Assistant to support leadership within a fast-paced corporate environment in California. This contract opportunity is ideal for an experienced, detail-focused candidate who excels at keeping schedules organized, coordinating complex travel plans, and ensuring executive meetings run smoothly. The right candidate will bring strong judgment, attention to detail, and the ability to anticipate needs while managing competing priorities effectively. Responsibilities:• Manage executive calendars by prioritizing appointments, resolving scheduling conflicts, and ensuring leaders are prepared for daily commitments• Organize domestic and potentially international travel plans, including flights, lodging, ground transportation, and itinerary preparation• Coordinate meeting logistics for executive sessions by securing rooms, confirming attendees, and distributing relevant materials in advance• Track schedule changes and communicate updates promptly to internal and external participants to maintain alignment• Support day-to-day administrative activities that help executives remain focused on business priorities• Prepare detailed travel agendas and confirm reservations to ensure seamless business travel experiences• Partner with stakeholders across the organization to align timelines, meeting needs, and executive availability
2026-06-08T00:00:00Z

Sr. Administrative Assistant

Azusa, CA
onsite
Temporary / Contract
24.7 - 28.6 USD / Hourly
We are looking for an experienced Sr. Administrative Assistant to support leadership and operational teams in a fast-paced non-profit environment in California. This Long-term Contract position requires a highly organized, detail-oriented individual who can manage executive coordination, maintain confidential records, and keep critical activities on track. The ideal candidate will bring strong administrative judgment, excellent communication skills, and the ability to handle multiple priorities with accuracy. Responsibilities: • Serve as a key point of coordination between leadership and internal teams, helping ensure clear communication and strong working relationships across departments. • Manage calendars, scheduling needs, and shifting priorities for leadership while tracking upcoming deadlines, meetings, and commitments. • Organize leadership and operations meetings by preparing agendas and materials, arranging meeting space, coordinating attendees, and supporting presentation needs. • Record meeting notes, document follow-up items, and help drive completion of action steps after discussions and planning sessions. • Arrange travel, conference registration, lodging, and related expense documentation for leadership and contracted personnel. • Create, update, and safeguard electronic files, reports, correspondence, and other business documents using Microsoft Office and related tools. • Provide administrative support for events and departmental activities, including presentation materials, attendance tracking, meeting packets, and external speaker coordination. • Submit service requests for office equipment, technical support, and facility maintenance issues to ensure timely resolution of operational needs. • Maintain organized records, support compliance tracking for required staff education, and carry out assigned projects in alignment with organizational policies and safety standards.
2026-06-03T00:00:00Z

Office Assistant

Monrovia, CA
onsite
Temporary / Contract
19 - 20 USD / Hourly
We have local ongoing opportunities for Office Assistants / Administrative Assistants. Are you a self-starter who loves handling multiple projects at once with a positive outlook? Then we have a position for you. Please apply today for immediate consideration. How you will make an impact· Filing, copying and faxing for multiple departments· Maintain office facility· Route calls appropriately· Data entry If you have a winning team attitude approach and you are eager to grow your career to the next level, we want to hear from you! This position is perfect for you if you love thriving in a dynamic environment. Contact us now!
2026-06-04T00:00:00Z

Office Assistant

Pomona, CA
onsite
Temporary / Contract
21 - 24 USD / Hourly
We are looking for a detail-oriented Office Assistant to provide dependable administrative support for a busy team in Pomona, California. This Office Assistant position is well suited for someone who enjoys keeping records accurate, managing documents efficiently, and helping day-to-day office operations run smoothly. The ideal candidate is organized, comfortable handling clerical tasks, and able to maintain accuracy while working with files, schedules, and billing-related information. Key Responsibilities:• Enter, revise, and retrieve information across databases, billing platforms, and departmental records to keep data current and accessible.• Maintain organized files, activity logs, scheduling records, and department-specific reports while ensuring documentation is stored properly.• Review charts, forms, and related materials for accuracy, completeness, and adherence to established procedures before finalizing or distributing them.• Prepare routine correspondence, memos, copies, and appointment schedules to support daily office operations.• Gather client financial details and supporting paperwork, update billing records, and help ensure account information remains accurate.• Handle general clerical duties such as scanning, imaging, indexing, filing, collating, and retrieving documents as needed.• Process incoming and outgoing mail, distribute materials to the appropriate parties, and maintain supply and form inventory for the office.• Organize, update, research, and archive office records in accordance with retention and file maintenance practices.• Follow workplace safety standards, required regulations, and departmental protocols while completing assigned tasks. Benefits: Medical, Dental and Vision Insurance. 401K Retirement, Sick Time Off and Tuition Reimbursement.
2026-06-05T00:00:00Z

HR Director

Chino, CA
onsite
Temporary / Contract
70 - 80 USD / Hourly
Robert Half is seeking an experienced HR Director/ Consultant with a strong emphasis on Labor relations, Union relations, and Employee relations. This role will serve as a strategic business partner to leadership while ensuring compliance with employment laws, managing collective bargaining matters, supporting workforce planning, and fostering a positive employee experience. The ideal candidate will bring deep experience working in unionized environments, advising leadership on complex employee matters, interpreting collective bargaining agreements, and driving HR strategies that support organizational goals. This HR role / Employee & Labor relations Consulting job will be located hybrid schedule in Chino. CA. Please feel free to apply if you have extensive Employee and Labor relations experience. Key Responsibilities• Provide strategic direction across employee relations, labor relations, talent management, compliance, and performance management.• Serve as the primary HR leader for union and labor relations matters, including contract interpretation, grievance management, dispute resolution, and participation in collective bargaining activities.• Partner with leadership on sensitive employee relations issues, including investigations, disciplinary actions, performance concerns, workplace conflict, and policy interpretation.• Advise executives and managers on employment law, labor law, HR policies, and organizational risk mitigation.-Support negotiations and administration of collective bargaining agreements.
2026-06-03T00:00:00Z

Employee Relations Specialist

Van Nuys, CA
onsite
Temporary / Contract
43.5385 - 50.413 USD / Hourly
We are looking for an experienced Employee Relations Specialist to support a respectful, compliant, and inclusive workplace in Van Nuys, California. This Long-term Contract position plays a key role in guiding leaders and employees through sensitive workplace matters while helping maintain strong compliance standards in a healthcare environment. The ideal candidate brings sound judgment, strong knowledge of employment regulations, and the ability to manage complex employee relations issues with professionalism and discretion. Responsibilities: • Conduct thorough workplace investigations involving concerns such as harassment, discrimination, retaliation, misconduct, and policy breaches, then document findings and recommend next steps. • Provide guidance to supervisors and staff on employee relations matters, policy interpretation, and appropriate resolution strategies for workplace concerns. • Apply organizational policies consistently by supporting corrective action processes and progressive discipline practices in alignment with legal and internal standards. • Collaborate with HR leadership, legal, and compliance partners to respond to agency matters, regulatory reviews, audits, and other employment-related inquiries. • Interpret and apply California employment requirements and federal labor regulations within a highly regulated healthcare setting. • Support administration and compliance activities related to alternative work schedule programs and other workforce policies. • Design and deliver training for leaders and employees on compliance topics, workplace expectations, and employee relations best practices. • Contribute to initiatives that strengthen employee engagement, workplace culture, and organizational trust while safeguarding confidential information. • Maintain accurate records, review relevant documentation, and gather evidence through interviews and fact-finding processes to support sound employment decisions.
2026-06-08T00:00:00Z