49 results for Administrative Assistant in Lake Forest, CA

Administrative Assistant

Glendale, CA
onsite
Temporary
25 - 26 USD / Hourly
We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you.· Answer phones and greet visitors in English and Spanish· Schedule appointments and maintain calendars· Schedule and coordinate staff and other meetings· Collate and distribute mail· Prepare communications, such as memos, emails, invoices, reports and other correspondence· Write and edit documents from letters to reports and instructional documents· Create and maintain filing systems, both electronic and physical If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now
2026-04-07T00:00:00Z

Administrative Assistant

Costa Mesa, CA
onsite
Temporary
26.6 - 30.8 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to join our team in Costa Mesa, California. In this long-term contract role, you will provide essential support to the Property Manager by handling administrative tasks and ensuring smooth operations within the office. This position is ideal for individuals with a background in office administration and a proactive approach to problem-solving. Responsibilities: • Perform general administrative tasks, including answering inbound calls, managing correspondence, and maintaining organized records. • Assist the Property Manager with daily operational needs and provide support on property-related matters. • Schedule appointments and coordinate meetings with vendors, clients, and team members. • Oversee payment processing and ensure accurate documentation of financial transactions. • Manage vendor relationships and track service requests to completion. • Handle receptionist duties such as greeting visitors and directing inquiries. • Conduct data entry tasks to maintain accurate and up-to-date records. • Support office operations by ordering supplies and ensuring the workspace remains organized. • Prepare reports and presentations as required by the Property Manager. • Collaborate with team members to improve office workflows and efficiency.
2026-04-09T00:00:00Z

Administrative Assistant

Cerritos, CA
onsite
Temporary
22 - 27 USD / Hourly
Position OverviewWe are seeking a detail-oriented Administrative Assistant to support the on-site management team within a high-traffic retail/mall property. This role will serve as a key point of coordination for daily administrative operations, ensuring smooth communication, organization, and support for property management activities. Key Responsibilities<ul><li>Provide day-to-day administrative support to the property management team</li><li>Answer and route incoming calls, assist tenants and vendors with general inquiries</li><li>Distribute incoming mail and manage outgoing correspondence</li><li>Perform copying, scanning, and faxing of property-related documents</li><li>Maintain and update tenant and property data within Yardi (or similar property management system)</li><li>Assist with tracking work orders, vendor coordination, and general office organization</li><li>Support managers with reporting, documentation, and special projects as needed</li><li>Help ensure the office runs efficiently in a fast-paced retail environment</li></ul>
2026-04-09T00:00:00Z

Administrative Assistant

Pasadena, CA
onsite
Temporary
25 - 26 USD / Hourly
We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. · Answer phones and greet visitors· Schedule appointments and maintain calendars· Schedule and coordinate staff and other meetings· Collate and distribute mail· Prepare communications, such as memos, emails, invoices, reports and other correspondence· Write and edit documents from letters to reports and instructional documents· Create and maintain filing systems, both electronic and physical If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now
2026-04-07T00:00:00Z

Administrative Assistant

Arcadia, CA
onsite
Temporary
25 - 26 USD / Hourly
We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. · Answer phones and greet visitors· Schedule appointments and maintain calendars· Schedule and coordinate staff and other meetings· Collate and distribute mail· Prepare communications, such as memos, emails, invoices, reports and other correspondence· Write and edit documents from letters to reports and instructional documents· Create and maintain filing systems, both electronic and physical If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now
2026-04-07T00:00:00Z

Administrative Assistant

Irvine, CA
onsite
Temporary
26.125 - 33 USD / Hourly
We are looking for a highly organized and detail-oriented Administrative Assistant to provide exceptional support to our executive team and leadership staff. This is a long-term contract position based in Irvine, California, offering the opportunity to contribute to the seamless operation of our administrative functions. The ideal candidate will excel in managing schedules, coordinating meetings, and handling travel arrangements while maintaining professionalism and efficiency. Responsibilities: • Schedule and coordinate meetings, events, and interviews, ensuring smooth communication between teams and departments. • Manage conference room logistics, including setup, food ordering, cleanup, and minute-taking. • Review and optimize calendars to avoid conflicts and ensure effective time management. • Arrange travel and accommodations for executives, researching options and adhering to budget requirements. • Draft and edit correspondence, reports, and other documents with precision and clarity. • Perform general office tasks such as maintaining records, ordering supplies, scanning documents, and handling basic bookkeeping. • Represent the company professionally through written, verbal, and visual communications. • Occasionally travel to attend events, meetings, or training as required. • Take on additional assigned projects and responsibilities as needed.
2026-04-08T00:00:00Z

Administrative Assistant

Los Angeles, CA
onsite
Contract / Temporary to Hire
25.65 - 27 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to join our team in Los Angeles, California. In this Contract position with the potential to turn into a permanent position, you will play a pivotal role in supporting daily operations and ensuring smooth administrative workflows. This is an excellent opportunity to contribute to a nonprofit organization while honing your organizational and communication skills. Responsibilities:• Manage daily administrative tasks, including organizing documents and maintaining records.• Answer inbound calls professionally, addressing inquiries and directing calls appropriately.• Perform accurate data entry to support organizational needs.• Act as the first point of contact by handling receptionist duties such as welcoming visitors and managing correspondence.• Collaborate with team members to ensure efficient office operations and support ongoing project
2026-03-26T00:00:00Z

Administrative Assistant

Carlsbad, CA
onsite
Temporary
22.5 - 24.5 USD / Hourly
A rapidly growing biotech company in Carlsbad is seeking an Administrative Assistant to support daily operations, team coordination, and executive scheduling. This role offers exposure to a fast-paced, innovation-driven environment and is ideal for candidates who are highly organized and detail-oriented. Key Responsibilities<ul><li>Manage calendars, meetings, and internal scheduling</li><li>Coordinate cross-functional team communications</li><li>Prepare reports, presentations, and documentation</li><li>Assist with project tracking and administrative workflows</li><li>Maintain organized records and internal systems</li><li>Support leadership with day-to-day administrative tasks</li></ul>
2026-03-23T00:00:00Z

Administrative Assistant

Orange, CA
onsite
Contract / Temporary to Hire
26.6 - 30.8 USD / Hourly
We are looking for a highly organized and detail-oriented Administrative Assistant to join our team on a contract-to-permanent basis in Orange, California. In this role, you will provide critical support to the Inside Sales team by managing sales reports, processing orders and quotes, and ensuring seamless communication between customers and internal departments. This position requires a proactive individual capable of handling multiple priorities independently while maintaining accuracy and efficiency. Responsibilities: • Prepare and maintain daily, weekly, and monthly sales reports, including bookings, shipments, and forecasts. • Track and follow up on pending quotes, prepaid orders, and open order statuses to ensure timely completion. • Assist in entering and processing sales orders and quotes, ensuring accuracy and compliance. • Organize and maintain records of sales orders, invoices, and quality documentation for easy access and compliance. • Distribute shipment tracking information and required documentation to customers in a timely manner. • Coordinate customer visits, meetings, and internal team communications to support smooth operations. • Provide backup administrative support during peak workloads and assist with special projects as needed. • Support the development and maintenance of standard operating procedures (SOPs) to improve workflow efficiency. • Assist with trade show coordination, marketing activities, and other departmental initiatives. • Manage office supplies and provide general administrative assistance to the team.
2026-04-09T00:00:00Z

Administrative Assistant

Tustin, CA
onsite
Temporary
19 - 22 USD / Hourly
We are looking for an organized and proactive Administrative Assistant to join our team on a contract basis in Tustin, California. In this role, you will support daily property operations by addressing resident needs, coordinating with maintenance staff, and ensuring the property is well-maintained and secure. This is an excellent opportunity to contribute to the success of a dynamic real estate environment. Responsibilities: • Respond promptly to maintenance requests and ensure timely follow-up to resolve issues. • Communicate resident concerns and property-related matters to the Regional Manager for review. • Work closely with maintenance and porter staff to coordinate daily operational tasks. • Perform daily property inspections to confirm cleanliness, safety, and functionality of all areas. • Identify and report any maintenance needs or safety concerns to management. • Assist with answering inbound calls and responding to inquiries with attention to detail. • Manage data entry tasks to maintain accurate and up-to-date records. • Perform receptionist duties, including greeting visitors and providing general administrative support.
2026-04-10T00:00:00Z

Administrative Assistant

Yorba Linda, CA
onsite
Contract / Temporary to Hire
27.55 - 31.9 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to join our team in Yorba Linda, California. In this Contract to permanent position, you will play a key role in supporting the Install team by coordinating tasks, managing reports, and ensuring smooth communication with customers. This role requires strong technical skills, excellent customer service abilities, and a proactive approach to handling administrative responsibilities. Responsibilities: • Provide administrative support to the Install team, including project coordinators. • Generate and manage reports using Excel to track project progress and team performance. • Communicate effectively with customers regarding purchase orders, invoices, and project updates. • Address customer inquiries and provide timely updates on project statuses. • Collaborate with team members to ensure accurate and timely entry of invoices and purchase orders. • Monitor and update records related to ongoing projects and customer transactions. • Ensure all administrative tasks are completed efficiently to support project deadlines. • Utilize knowledge of the construction industry to assist with relevant documentation and processes. • Maintain organized records and ensure compliance with company procedures.
2026-04-09T00:00:00Z

Administrative Assistant

Anaheim, CA
onsite
Temporary
22.8 - 26.4 USD / Hourly
We are looking for an Administrative Assistant to join our team in Anaheim, California. This is a long-term contract position that requires strong organizational skills and the ability to manage multiple tasks efficiently. The ideal candidate will play a key role in supporting communication between field and corporate teams while ensuring smooth day-to-day operations. Responsibilities: • Facilitate effective communication between field teams and corporate staff to ensure seamless operations. • Manage scheduling and dispatching tasks to coordinate job assignments and deadlines. • Monitor company workflow capacity and order necessary supplies to meet operational demands. • Collaborate with vendors to maintain inventory and ensure timely delivery of required materials. • Organize and oversee dispatching operations to maintain deadlines and optimize work processes. • Support the team in maintaining accurate records and documentation. • Provide administrative assistance to the Director of Operations and other team members. • Utilize software tools like Salesforce and Microsoft Office to streamline administrative tasks. • Ensure adherence to business casual dress code and maintain a courteous demeanor. • Assist with general administrative duties, including reception and data entry tasks.
2026-04-09T00:00:00Z

Executive Assistant

Monrovia, CA
onsite
Temporary
33 - 38 USD / Hourly
We are looking for an experienced and highly organized Executive Assistant to provide comprehensive support to leadership in Monrovia, California. In this long-term contract position, you will play a pivotal role in ensuring the smooth management of daily schedules, travel arrangements, and key administrative functions. This is an excellent opportunity for a detail-oriented individual with a proven ability to manage executive-level tasks efficiently. Responsibilities: • Manage the executive’s daily calendar, including scheduling meetings, appointments, and coordinating commitments. • Organize and oversee detailed travel arrangements, such as planning itineraries, preparing agendas, and handling expense reporting. • Coordinate and set up meetings or conference calls, ensuring all materials and refreshments are prepared in advance. • Maintain organized filing systems and records for key communications and office documentation. • Serve as a point of contact between the executive and various departments to streamline communication and resolve issues. • Act as a backup for the office manager and front desk supervisor when necessary. • Build and maintain positive working relationships across the organization to support operational efficiency. • Ensure timely preparation of materials needed for meetings or presentations. • Monitor and prioritize incoming correspondence, including emails, to ensure prompt responses.
2026-04-02T00:00:00Z

Executive Assistant

Glendale, CA
onsite
Temporary
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
2026-04-07T00:00:00Z

Executive Assistant

Pasadena, CA
onsite
Temporary
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
2026-04-07T00:00:00Z

Executive Assistant

Valley Center, CA
onsite
Temporary
33 - 36 USD / Hourly
The best Executive Assistants don’t just manage schedules — they manage priorities, protect time, and create leverage for leadership. A growing organization is seeking a highly capable Executive Assistant to support senior leadership in a fast-paced, high-performance environment. This role requires someone who can operate with discretion, precision, and strong business judgment while handling complex scheduling, communication, and coordination responsibilities.Key Responsibilities<ul><li>Manage complex executive calendars, travel, and scheduling priorities</li><li>Prepare presentations, reports, and executive-level communications</li><li>Coordinate high-level meetings, agendas, and follow-ups</li><li>Act as a liaison between executives and internal/external stakeholders</li><li>Handle confidential information with discretion and professionalism</li><li>Support strategic initiatives and special projects</li></ul>
2026-03-27T00:00:00Z

Executive Assistant

Los Angeles, CA
onsite
Contract / Temporary to Hire
40 - 48 USD / Hourly
We are looking for a highly organized and proactive Executive Assistant to provide comprehensive support to senior leadership in a dynamic and fast-paced environment. This role requires a strategic thinker who can anticipate needs, manage priorities, and streamline operations to ensure seamless day-to-day functioning. Ideal candidates will bring a strong background in administrative support and a commitment to building a long-term career in this field. This is a contract position with the potential for a permanent role, based in Los Angeles, California. Responsibilities: • Manage complex and rapidly changing calendars, including scheduling across multiple time zones. • Coordinate meetings, prepare agendas, document key discussions, and follow up on actionable items. • Arrange and oversee travel plans, itineraries, and related expenses with precision and efficiency. • Serve as a liaison between senior leadership and internal teams, clients, and external stakeholders. • Handle sensitive and confidential information with a high degree of professionalism and discretion. • Assist with HR-related tasks, such as onboarding documentation and tracking employee compliance with company policies. • Ensure smooth office operations by collaborating with the office manager, especially during leadership travel. • Monitor priorities and proactively identify issues to minimize disruptions to executive schedules. • Support time-sensitive projects and initiatives, adapting quickly to shifting demands. • Facilitate urgent communications, including setting up last-minute virtual meetings and tracking critical contacts.
2026-04-02T00:00:00Z

Administrative Assistant- Receptionist

Fullerton, CA
onsite
Temporary
22 - 27 USD / Hourly
Administrative Assistant / Receptionist is seeking a highly presentable and detail-oriented Administrative Assistant / Receptionist to support daily front office operations while assisting the HR and Accounting departments. This is a key, client-facing role ideal for someone who thrives in a structured, corporate setting and enjoys balancing administrative responsibilities with receptionist duties. Key ResponsibilitiesFront Desk / Reception Duties:<ul><li>Greet and assist visitors, clients, and vendors in a professional manner </li><li>Answer and route incoming calls using a multi-line phone system </li><li>Maintain a clean, organized, and welcoming lobby and front office area </li><li>Monitor front door access and ensure office security protocols are followed </li></ul>Administrative & Office Support:<ul><li>Perform daily filing, scanning, and document management </li><li>Maintain organized records for multiple departments </li><li>Assist with general office tasks, including data entry and supply coordination </li><li>Support internal team members with administrative needs as required </li></ul>HR Support (Reporting to HR Generalist):<ul><li>Review and organize HRIS files for accuracy and compliance </li><li>Scan and upload employee documentation into HR systems </li><li>Follow up with employees regarding internal policy acknowledgments and signatures </li><li>Assist with onboarding documentation and general HR administrative tasks </li></ul>Accounting & Operations Support:<ul><li>Provide administrative assistance to the Accounting and Operations teams </li><li>Help maintain accurate documentation and support department workflows </li></ul>
2026-03-23T00:00:00Z

Office Assistant

Monrovia, CA
onsite
Temporary
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!
2026-04-07T00:00:00Z

Sr. Administrative Assistant

Orange, CA
onsite
Contract / Temporary to Hire
26.6 - 30.8 USD / Hourly
We are looking for a highly organized and detail-oriented Sr. Administrative Assistant to join our team in Orange, California. This contract position with the potential for a long-term opportunity offers the chance to support various administrative and operational functions, ensuring smooth day-to-day activities. The ideal candidate will bring exceptional multitasking abilities, a customer-focused mindset, and a proactive approach to problem-solving. Responsibilities: • Provide comprehensive administrative support, including scheduling meetings, managing calendars, and coordinating conference calls. • Arrange domestic and international travel, including flights, accommodations, and itineraries, while ensuring all travel documents are in order. • Oversee the preparation and processing of import and export documentation to ensure compliance with regulations. • Respond to customer inquiries and provide exceptional service, demonstrating professionalism and urgency. • Assist in maintaining organized records, both physical and electronic, to ensure easy retrieval and compliance with company policies. • Facilitate the preparation and management of reports, presentations, and other documents as needed. • Collaborate with team members across departments to ensure alignment on administrative and operational priorities. • Support trade show planning and other company events by coordinating logistics and materials. • Identify and escalate any administrative or operational issues, working to implement effective resolutions. • Perform general office duties such as scanning, filing, and maintaining document control.
2026-04-09T00:00:00Z

Administrative Assistant – Construction Company

Vista, CA
onsite
Temporary
23 - 28 USD / Hourly
A growing construction company in Vista is seeking an Administrative Assistant to support project coordination, documentation management, and daily office operations. This role is well-suited for candidates who thrive in a fast-paced, deadline-driven environment and are comfortable supporting both office and field teams. The Administrative Assistant will play a critical role in maintaining accurate project documentation, coordinating schedules, and ensuring that operational workflows are executed efficiently. This position requires strong organizational skills and the ability to manage multiple tasks while maintaining accuracy. Key Responsibilities<ul><li>Support project managers with documentation, scheduling, and coordination</li><li>Maintain project files, contracts, permits, and compliance records</li><li>Process invoices, purchase orders, and expense tracking</li><li>Coordinate communication between field teams, vendors, and internal staff</li><li>Track project timelines, deliverables, and administrative milestones</li><li>Assist with reporting, data entry, and documentation management</li><li>Manage incoming calls, emails, and office correspondence</li><li>Provide general administrative support across departments</li></ul>
2026-03-23T00:00:00Z

Administrative Assistant III

Cerritos, CA
onsite
Temporary
24 - 35 USD / Hourly
We are currently seeking an experienced Administrative Assistant III to support a fast-paced municipal department. This role involves a mix of advanced administrative and analytical responsibilities, supporting daily operations and special projects.Key Responsibilities:<ul><li>Coordinate projects and track departmental budgets and expenditures</li><li>Prepare correspondence, reports, agendas, and meeting minutes</li><li>Process contracts, purchase orders, and related documentation</li><li>Manage records and maintain organized filing systems</li><li>Coordinate meetings and provide general administrative support</li><li>Interact professionally with City staff, consultants, and the public</li></ul>
2026-04-09T00:00:00Z

Administrative Assistant – Healthcare Organization

Oceanside, CA
onsite
Temporary
22 - 27 USD / Hourly
A busy and growing healthcare organization in Oceanside is seeking an Administrative Assistant to support patient coordination, office operations, and administrative workflows. This role is ideal for someone who is detail-oriented, organized, and comfortable working in a patient-facing environment. The Administrative Assistant will help ensure that administrative processes, scheduling, and documentation are handled accurately while supporting both clinical and administrative teams. This position requires strong communication skills, the ability to manage sensitive information, and a commitment to maintaining a professional and efficient office environment.Key Responsibilities<ul><li>Coordinate patient scheduling, appointments, and calendar management</li><li>Maintain patient records, documentation, and compliance files</li><li>Support front office operations, including phone and email communication</li><li>Assist with billing support, insurance verification, and administrative processing</li><li>Perform data entry, reporting, and database management</li><li>Ensure accuracy and organization of medical and administrative records</li><li>Support clinical staff with administrative coordination</li><li>Maintain confidentiality and compliance with healthcare regulations</li></ul>
2026-03-23T00:00:00Z

Accounting Assistant

La Mirada, CA
onsite
Contract / Temporary to Hire
25.3365 - 29.337 USD / Hourly
We are looking for a detail-oriented Accounting/Payroll Assistant to join our team in Richmond, California. In this Contract to permanent position, you will contribute to various accounting functions within the construction industry, ensuring accurate payroll support, timekeeping, and project cost tracking. The role is primarily on-site, requiring occasional visits to nearby refinery project site.Responsibilities:• Process and code payroll expenses to appropriate projects, ensuring accuracy and compliance.• Maintain detailed timekeeping records for employees and projects.• Prepare and issue invoices, ensuring proper coding and adherence to company procedures.• Perform accounts payable and accounts receivable tasks, including reconciliations and tracking.• Utilize Excel, including pivot tables, to analyze and report financial data.• Collaborate with project teams to track and manage costs effectively.• Conduct bank reconciliations to ensure accurate financial records.• Handle certified payroll documentation and reporting in compliance with relevant regulations.• Support month-end and year-end closing activities as required.• Visit refinery project sites occasionally to assist with accounting-related tasks.
2026-03-25T00:00:00Z

Accounting Assistant

Monrovia, CA
onsite
Temporary
20 - 22 USD / Hourly
Robert Half is searching for entry-level Accounting Assistants for ongoing opportunities. The Accounting Assistants' duties will include: data entry, matching invoices to purchase orders or vouchers, and assisting with the processing of accounts payable and accounts receivable. If this sounds like you, please apply today!Bookkeeping:· Assist in maintaining accurate and up-to-date financial records.· Record daily transactions, including accounts payable and accounts receivable entries.Invoice Processing:· Process and verify invoices from vendors.· Ensure proper coding and documentation before submitting invoices for approval.Expense Reconciliation:· Reconcile credit card statements and receipts.· Verify and reconcile employee expense reports with receipts and company policies.Data Entry:· Enter financial data into accounting software or spreadsheets.· Maintain organized and well-documented records for easy retrieval.Assist with Financial Reporting:· Support the preparation of financial reports, including income statements and balance sheets.· Provide necessary information and documentation for financial audits.
2026-04-07T00:00:00Z