21 results for Senior Administrative Assitant in Riverside, CA

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.
2026-04-03T00:00:00Z

Administrative Assistant

Newport Beach, CA
onsite
Temporary
22.8 - 26.4 USD / Hourly
We are looking for an experienced Administrative Assistant to join our team in Newport Beach, California. This contract position requires a detail-oriented individual who excels in managing office tasks, coordinating schedules, and ensuring smooth day-to-day operations. The role offers an opportunity to work in a dynamic environment, supporting leadership and contributing to organizational efficiency. Responsibilities: • Perform a variety of administrative tasks, including scheduling meetings, managing calendars, and coordinating appointments. • Handle inbound calls and direct them to the appropriate departments or individuals. • Maintain accurate records and perform data entry tasks with precision. • Act as the first point of contact by greeting visitors and managing reception duties. • Prepare and organize documents, reports, and presentations using Microsoft Office Suites. • Support the studio director with daily operational needs and other assigned tasks. • Ensure the office environment is well-organized and supplies are adequately stocked. • Assist in coordinating team events and meetings as needed. • Respond to inquiries and provide excellent customer service to internal and external stakeholders.
2026-04-03T00:00:00Z

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.
2026-04-03T00:00:00Z

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
2026-03-27T00:00:00Z

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
2026-03-27T00:00:00Z

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.
2026-04-03T00:00:00Z

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.
2026-04-03T00:00:00Z

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

Pasadena, CA
onsite
Temporary
29 - 34 USD / Hourly
We are looking for a detail-oriented Executive Assistant to provide high-level administrative support to executives in Pasadena, California. This is a Contract position ideal for someone who thrives in fast-paced environments and can maintain professionalism while handling sensitive and confidential information. The role requires strong organizational skills and the ability to coordinate various tasks seamlessly. Responsibilities: • Manage executive calendars, including scheduling meetings and appointments. • Organize and arrange travel plans, including booking flights, accommodations, and transportation. • Coordinate and oversee travel itineraries to ensure seamless logistical execution. • Prepare and handle confidential documents with discretion and accuracy. • Assist in planning and executing executive meetings, ensuring all necessary materials are prepared. • Act as the primary point of contact for internal and external inquiries directed to executives. • Maintain clear communication with stakeholders to relay information efficiently. • Monitor deadlines and ensure timely completion of executive-related tasks. • Support executives with administrative duties as needed, fostering productivity and efficiency.
2026-03-27T00:00:00Z

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
2026-03-27T00:00:00Z

Executive Assistant / Executive Legal Admin (Hybrid)

Seal Beach, CA
onsite
Temporary
50 - 60 USD / Hourly
A leading manufacturer in the aerospace industry is seeking a Legal Administrator / Executive Assistant to support attorneys and executives within its Law and Global Compliance organization. This temporary role provides high-level administrative support in a fast-paced, deadline-driven legal environment with the potential of conversion to full time employment.The ideal candidate thrives with minimal supervision, manages multiple priorities with accuracy and discretion, and communicates effectively with internal and external stakeholders.Key Responsibilities<ul><li>Provide day-to-day administrative and executive support to senior attorneys and legal leadership</li><li>Manage complex calendars, meetings, conference calls, and video conferences across multiple time zones</li><li>Monitor deadlines and time-sensitive matters; proactively keep executives informed</li><li>Prepare, proofread, and distribute legal documents, presentations, reports, and correspondence</li><li>Coordinate domestic and international travel, itineraries, agendas, and logistics</li><li>Prepare and submit expense reports using Concur</li><li>Manage legal matters and invoices using an internal legal matter management system</li><li>Handle sensitive and confidential information in compliance with company policies and security standards</li><li>Coordinate with other legal administrators and provide backup support as needed</li></ul>This is an excellent opportunity for a detail-oriented legal administrative professional to support senior legal leaders within a globally recognized aerospace organization. This position is hybrid in Seal Beach, three days a week on-site in a great office environment with free parking and a number of office perks.
2026-03-24T00:00:00Z

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

Escrow Administrative Assistant

Pasadena, CA
onsite
Temporary
22.9615 - 29 USD / Hourly
We are looking for a skilled and detail-oriented Escrow Administrative Assistant to provide critical support in managing residential and commercial escrow transactions. This is a Contract position based in Pasadena, California, where you will play a key role in ensuring efficient and compliant closings. The ideal candidate will have extensive experience with escrow processes and be proficient in using Qualia software. For immediate consideration apply today! Responsibilities:• Provide comprehensive administrative support to Escrow Officers to facilitate smooth transactions.• Prepare, review, and distribute escrow documents, including opening packages, amendments, and closing instructions.• Maintain and update escrow files using Qualia software, ensuring data accuracy and completeness.• Coordinate with various stakeholders such as lenders, buyers, sellers, agents, and title companies to gather required documentation.• Monitor key transaction timelines, conditions, and contingencies to ensure deadlines are met.• Order payoffs, demands, and other third-party documents necessary for escrow closings.• Assist in the closing, funding, and recording processes to finalize transactions.• Ensure all files comply with company policies and regulatory standards.• Respond promptly and professionally to inquiries from clients and other stakeholders.
2026-04-03T00:00:00Z

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!
2026-03-27T00:00:00Z

Senior Accountant

Ontario, CA
onsite
Temporary
40 - 48 USD / Hourly
We are a well-established and growing manufacturing company located in Ontario, CA. Known for operational excellence and a strong leadership team, we are seeking a Senior Staff Accountant to join our finance department. This is a high-impact role offering exposure to executive leadership, process improvement initiatives, and long-term career growth. Position OverviewThe Senior Staff Accountant will play a key role in the month-end close process, financial reporting, and cost accounting functions. This position requires strong technical accounting knowledge, experience in a manufacturing environment, and the ability to work cross-functionally with operations and supply chain.The ideal candidate is hands-on, analytical, and comfortable working in a fast-paced production environment. Key Responsibilities<ul><li>Lead and manage the month-end and year-end close process</li><li>Prepare and review journal entries, accruals, and account reconciliations</li><li>Maintain general ledger integrity and ensure GAAP compliance</li><li>Oversee inventory reconciliations and support cost accounting analysis</li><li>Analyze manufacturing variances (labor, materials, overhead)</li><li>Assist with financial statement preparation and management reporting</li><li>Maintain fixed asset schedules and depreciation</li><li>Support budgeting and forecasting processes</li><li>Coordinate audit requests and assist with external audits</li><li>Identify and implement process improvements and internal controls enhancements </li></ul>
2026-03-24T00:00:00Z

Senior Accountant

Irvine, CA
onsite
Permanent
75000 - 80000 USD / Yearly
We are looking for an experienced Senior Accountant to join our team in Irvine, California. The ideal candidate will bring bilingual proficiency in Mandarin and English, along with a strong background in full-cycle accounting and financial management. This role requires attention to detail, exceptional organizational skills, and the ability to operate in a multi-entity environment. Responsibilities: • Manage the complete accounting cycle for multiple entities, including journal entries, intercompany transactions, and month-end closing processes. • Oversee accounts receivable and accounts payable functions, ensuring accurate billing and collections for contract-based projects. • Prepare monthly reconciliations for bank accounts and other financial records. • Collaborate with external tax advisors to ensure timely filing of federal, state, and local tax returns, including income, sales/use, and franchise taxes. • Monitor changes in tax regulations, assess their impact on the company, and maintain knowledge of seller’s permits. • Produce accurate and compliant financial statements while maintaining audit-ready documentation. • Support the headquarters team with financial forecasting, budgeting, and operating expense management. • Coordinate with internal teams such as administration, marketing, and technology to support daily operations.
2026-03-23T00:00:00Z

Senior Accountant

Long Beach, CA
onsite
Temporary
38 - 45 USD / Hourly
Job Title: Senior AccountantLocation: Long Beach, CASchedule: Monday–Friday (On-Site)Job Overview:We are seeking an experienced Senior Accountant with 5–7+ years of accounting experience to join a growing team in Long Beach. The ideal candidate will have a background in the manufacturing or consumer products industry, strong experience with month-end close, and hands-on experience with Oracle ERP. This role will play a key part in maintaining accurate financial records and supporting core accounting functions, including fixed assets, accruals, and general ledger activities.Key Responsibilities:<ul><li>Lead and support the month-end and year-end close processes</li><li>Prepare and review journal entries, including accruals, adjustments, and reclassifications</li><li>Maintain and manage fixed asset schedules, including asset additions, disposals, and depreciation</li><li>Perform and review balance sheet reconciliations and resolve discrepancies</li><li>Analyze financial data and provide variance analysis to support financial reporting</li><li>Ensure accuracy and integrity of general ledger accounting</li><li>Partner with cross-functional teams to ensure proper accounting treatment and financial accuracy</li><li>Support internal and external audits by preparing schedules and documentation</li><li>Identify opportunities to improve accounting processes and controls</li></ul>
2026-03-10T00:00:00Z

Executive Assistant - Part Time

Irvine, CA
onsite
Temporary
60 - 70 USD / Hourly
We are looking for a dedicated and detail-oriented Executive Assistant who is fluent in both Mandarin and English to support a senior executive in Cupertino, California. In this long-term contract position, you will play a key role in managing schedules, coordinating travel, and facilitating communication across global teams. This is an excellent opportunity for an experienced individual with strong attention to detail to contribute to high-level strategic initiatives while ensuring smooth day-to-day operations. Responsibilities: • Coordinate and manage the Chairman's calendar, ensuring seamless scheduling of meetings and appointments across multiple time zones. • Arrange and oversee complex global travel plans, including booking flights, accommodations, and transportation. • Act as a liaison and translator for communication between English and Mandarin-speaking teams, ensuring clarity and efficiency. • Organize executive meetings, prepare detailed agendas, briefing materials, and follow up on action items to ensure timely completion. • Support strategic initiatives by monitoring deadlines and deliverables, contributing to project management tasks. • Draft, review, and edit reports, presentations, and executive summaries with accuracy and attention to detail. • Handle sensitive business and financial information with the utmost discretion and confidentiality. • Build and maintain relationships with vendors, travel agencies, and other service providers to support operational needs. • Anticipate and address potential challenges, providing proactive solutions to streamline processes in a fast-paced environment.
2026-04-03T00:00:00Z

Human Resources (HR) Assistant

Los Alamitos, CA
onsite
Temporary
18.2115 - 21.087 USD / Hourly
We are looking for a detail-oriented and proactive Human Resources (HR) Assistant to join our team in Los Alamitos, California. This long-term contract position offers the opportunity to contribute to a growing HR department, providing essential administrative and compliance support. If you thrive in a collaborative environment and enjoy working with HR systems and processes, this role is ideal for you. Responsibilities: • Conduct thorough audits of employee records, including I-9 forms, to ensure compliance with regulations and organizational standards. • Support the implementation of new HR software and manage accompanying documentation. • Assist with administrative tasks such as organizing employee files, addressing backlogs, and identifying opportunities for process improvements. • Generate reports and perform basic HR data analysis using Microsoft Excel, applying formulas and simple analytics. • Help the team adapt to a dynamic work environment by quickly learning new processes and tools. • Maintain and update HR records, ensuring all documentation is accurate and well-organized. • Input and validate data in Paylocity, ensuring system accuracy and reliability. • Collaborate with the HR team to meet deadlines and enhance department efficiency.
2026-04-03T00:00:00Z

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.
2026-03-27T00:00:00Z