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20 results for Senior Administrative Assistant in Riverside, CA

Administrative Assistant

Azusa, CA
onsite
Temporary to Hire
20 - 20 USD / Hourly
We are looking for an Administrative Assistant to support daily office operations for a non-profit organization in California. This contract opportunity is ideal for someone who enjoys balancing communication, scheduling, and administrative coordination in a service-focused environment. The role calls for a dependable individual who can manage multiple priorities, maintain accurate records, and provide responsive support to internal teams and external contacts. Responsibilities: • Manage incoming phone calls and emails, providing timely assistance and directing inquiries to the appropriate departments. • Coordinate calendars, arrange appointments, and help keep schedules organized for staff and visitors. • Enter, update, and maintain records with accuracy while ensuring administrative documents remain well organized. • Prepare routine correspondence, reports, and presentation materials using Microsoft Office applications. • Support front-office activities by assisting with general customer service and handling both inbound and outbound communications. • Monitor administrative workflows and help maintain efficient day-to-day office operations. • Assist with spreadsheet tracking, document formatting, and data management to support team needs. • Contribute to special projects and process-related administrative tasks as assigned.
2026-06-18T00:00:00Z

Administrative Assistant

Pasadena, CA
onsite
Temporary / Contract
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
2026-06-04T00:00:00Z

Administrative Assistant

Arcadia, CA
onsite
Temporary / Contract
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
2026-06-04T00:00:00Z

Administrative Assistant

Rialto, CA
onsite
Temporary / Contract
19.7885 - 24 USD / Hourly
We are looking for an organized Administrative Assistant to support a government utilities team in Rialto, California. This Long-term Contract opportunity offers a 30-hour workweek and is ideal for someone who excels in administrative coordination, customer communication, and accurate record handling. The role will focus on maintaining daily office operations, responding to service-related questions, and providing dependable support across utility-related administrative functions. Responsibilities: • Enter and maintain large volumes of information with a strong focus on accuracy, completeness, and timeliness. • Receive incoming telephone calls, direct them to the appropriate contacts, and provide helpful responses to routine questions. • Prepare and submit purchase requisitions and related documentation as departmental needs arise. • Respond to billing concerns and utility service inquiries by gathering details and directing requests appropriately. • Provide day-to-day administrative support for the utilities department, including document handling, scheduling assistance, and record organization. • Use Microsoft Outlook and Excel to manage correspondence, track information, and support reporting or operational tasks.
2026-06-18T00:00:00Z

Administrative Assistant

Pasadena, CA
onsite
Temporary / Contract
23.75 - 27.5 USD / Hourly
We are looking for an Administrative Assistant to provide onsite support for import-related coordination within an agriculture-focused environment in Pasadena, California. This Long-term Contract position is well suited for someone who is highly organized, attentive to detail, and confident handling documentation, reporting, and day-to-day administrative activities. The role works closely with vendors, shipping partners, and internal teams to keep records current and ensure import information is processed accurately. Candidates who can stay organized in a busy setting and manage multiple priorities effectively will thrive in this opportunity. Responsibilities: • Manage administrative support for import activities, including organizing paperwork and maintaining complete shipment files. • Monitor incoming shipments and keep status reports updated so internal stakeholders have current information. • Communicate with suppliers, freight partners, and cross-functional teams to help keep import processes moving smoothly. • Examine invoices, packing lists, and other shipping records to confirm details are accurate and complete. • Enter data into tracking documents and prepare routine reports that support operational visibility. • Maintain orderly digital and physical records related to import documentation and departmental activities. • Assist with general office coordination tasks tied to daily import and logistics support. • Help resolve documentation discrepancies by following up with the appropriate contacts in a timely manner.
2026-06-15T00:00:00Z

Administrative Office Assistant

Brea, CA
onsite
Temporary / Contract
20 - 22 USD / Hourly
Administrative Office Assistant (Temp-to-Hire) Location: Brea, CA Schedule: Monday-Friday, 8:00 AM-5:00 PM (Onsite) Employment Type: Temporary-to-HireA well-established and highly respected CPA firm in Brea is seeking a dependable Administrative Office Assistant to join their team. This is an excellent opportunity for a professional who values stability, enjoys supporting a busy office environment, and takes pride in following through on responsibilities with accuracy and consistency.Key Responsibilities<ul><li>Answer and direct incoming phone calls in a professional manner</li><li>Greet clients and visitors while providing exceptional customer service</li><li>Manage incoming and outgoing mail, packages, and correspondence</li><li>Schedule appointments and maintain calendars for accounting staff</li><li>Prepare, organize, scan, and file client documents and records</li><li>Assist with data entry and updating client information in company databases</li><li>Support tax season administrative projects and document management</li><li>Order and maintain office supplies and coordinate vendor requests</li><li>Assist with special projects and general office support as needed</li><li>Ensure confidentiality of client and financial information</li></ul> We are looking for someone who:<ul><li>Is dependable and committed to long-term employment</li><li>Consistently follows through on assigned tasks and responsibilities</li><li>Takes ownership of their work and pays close attention to detail</li><li>Thrives in a structured office environment</li><li>Is proactive, organized, and willing to assist wherever needed</li><li>Enjoys being part of a collaborative and professional team</li></ul>
2026-06-16T00:00:00Z

Sr. Executive Assistant

Newport Beach, CA
onsite
Temporary to Hire
28.5 - 36 USD / Hourly
We are looking for an experienced Sr. Executive Assistant to provide high-level support across executive coordination, office administration, and business entity oversight in Newport Beach, California. This contract-to-permanent opportunity is ideal for an experienced candidate who can manage competing priorities, communicate with discretion, and keep critical administrative processes running smoothly. The role combines complex scheduling and travel planning with compliance tracking, vendor coordination, and day-to-day operational support for a growing team. Responsibilities: • Organize and manage executive calendars, ensuring internal and external meetings are scheduled efficiently and supported with the necessary materials. • Prepare, review, and distribute clear communications on behalf of leadership with strong attention to tone, accuracy, and detail. • Arrange comprehensive domestic and international travel plans, including bookings, itineraries, and schedule adjustments as needed. • Monitor the status of multiple legal entities and help ensure filings, registrations, and related obligations remain current with the appropriate agencies. • Serve as a point of contact with registered agents and coordinate with external legal, accounting, and financial partners on compliance-related matters. • Maintain accurate and well-structured records for entity documents, administrative files, and other important business information in both digital and physical formats. • Oversee incoming mail, package handling, and check deposit coordination while supporting daily office workflow. • Manage office supplies, vendor partnerships, and facility-related needs to help maintain an organized and productive work environment. • Assist with light human resources and onboarding activities as new team members join the organization.
2026-06-19T00:00:00Z

Executive Assistant

San Bernardino, CA
onsite
Temporary / Contract
25.3365 - 31 USD / Hourly
We are looking for an experienced and highly organized Executive Assistant to support senior leadership within a mission-driven nonprofit in San Bernardino, California. This Long-term Contract position is ideal for a proactive individual who can balance executive support, project coordination, and day-to-day administrative operations with sound judgment and discretion. The right candidate will be comfortable managing changing priorities, maintaining accurate records, and helping leadership stay organized and prepared. Responsibilities: • Manage a dynamic executive calendar, adjusting appointments and priorities to keep leadership aligned with daily and long-range commitments. • Coordinate business travel from start to finish, including itineraries, lodging, transportation, and related scheduling details. • Prepare and submit expense documentation accurately and on schedule while keeping supporting records organized. • Plan and facilitate meetings by arranging schedules, developing agendas, distributing materials, and ensuring follow-up items are tracked. • Provide administrative support for special assignments and organization-wide initiatives as directed by executive leadership. • Act as a central contact for communications, helping route information effectively between internal teams and external stakeholders. • Partner with other administrative staff to maintain efficient office operations and consistent support across the organization. • Organize confidential files, records, and documentation with a strong focus on accuracy, accessibility, and discretion. • Improve and maintain administrative workflows that promote structure, consistency, and operational efficiency. • Anticipate executive needs, prioritize competing requests, and respond to shifting deadlines with professionalism.
2026-06-15T00:00:00Z

Executive Assistant

Pasadena, CA
onsite
Temporary / Contract
27 - 30 USD / Hourly
Robert Half has upcoming opportunities for experienced Executive Assistants. The executive assistant will report directly to and support director level, vice-presidents, and C-level executives. Apply today for immediate consideration. Responsibilities may include:· Providing administrative assistance, such as writing and editing e-mails, drafting memos, and preparing communications on the executive’s behalf· Maintaining comprehensive and accurate records · Performing minor accounting duties · Organizing meetings, including scheduling, sending reminders, and organizing catering when necessary· Answering phone calls in a polite and professional manner· Welcoming visitors and identifying the purpose of their visit before directing them to the appropriate department· Managing the executive’s calendar, including making appointments and prioritizing the most sensitive matters
2026-06-04T00:00:00Z

Executive Assistant

Newport Beach, CA
onsite
Temporary to Hire
29.2885 - 37 USD / Hourly
We are looking for an experienced and dependable Executive Assistant to provide broad support to a home office in Newport Beach, California. This position combines executive scheduling, travel coordination, bookkeeping assistance, property-related administration, and personal support in a hybrid environment. It is a part-time contract opportunity expected to begin as a 3-month engagement with the possibility of becoming a long-term role. The ideal candidate is organized, discreet, self-sufficient, and comfortable working in a structured but relaxed, pet-friendly setting. Responsibilities: • Oversee a dynamic calendar by arranging meetings, appointments, and personal commitments while keeping priorities aligned. • Prepare meeting materials, capture key discussion points, and track follow-up items to help ensure timely completion of next steps. • Support day-to-day bookkeeping tasks in QuickBooks, including expense entry, balance tracking, and maintenance of accurate financial records. • Review and reconcile bank and credit card activity and organize documentation for accounting support and reporting needs. • Act as a point of coordination for properties by communicating with vendors, tenants, contractors, and property managers as needed. • Maintain organized records related to leases, maintenance timelines, invoices, and other property documentation. • Arrange business and personal travel, including flights, lodging, ground transportation, dining reservations, and detailed itineraries. • Assist with household and personal administrative needs such as deliveries, appointments, errands, and special projects connected to the home office.
2026-06-20T00:00:00Z

Executive Assistant

Los Angeles, CA
onsite
Temporary / Contract
32.3 - 35 USD / Hourly
We are looking for an experienced Executive Assistant to provide dedicated support to senior leadership in Commerce, California. This Contract position is ideal for a highly organized individual who can keep executive priorities on track, manage competing demands, and communicate effectively across teams. The role calls for sound judgment, attention to detail, and the ability to handle confidential matters with discretion while supporting daily operations and special assignments. Responsibilities: • Coordinate executive calendars by arranging appointments, prioritizing scheduling needs, and resolving conflicts across multiple commitments. • Plan meetings and events by securing logistics, preparing agendas, assembling materials, and documenting key discussion points and follow-up items. • Organize business travel, expense-related documentation, and related arrangements using tools such as Concur when needed. • Draft, proofread, and format presentations, reports, and business correspondence for internal and external audiences. • Serve as a central point of contact between senior leaders and departments, clients, or partners to support timely communication and alignment. • Maintain accurate digital and physical records so important documents remain accessible, current, and properly organized. • Protect sensitive information by exercising discretion and following appropriate confidentiality standards in all interactions. • Assist with research, reporting, and special projects that support executive decision-making and broader business objectives.
2026-06-19T00:00:00Z

Senior Legal Secretary

Irvine, CA
onsite
Permanent / Full Time
90000 - 110000 USD / Yearly
Are you an experienced Legal Secretary looking for a long-term home with a respected Orange County defense firm? Our client is a well-established litigation firm known for its strong reputation, supportive culture, and exceptional staff retention. We have successfully placed professionals with this firm, and the feedback has been overwhelmingly positive—employees consistently praise the collaborative environment, approachable leadership, and commitment to work-life balance.Responsibilities<ul><li>Support attorneys in a busy litigation practice</li><li>Prepare, format, proofread, and finalize legal documents</li><li>E-file in California State and Federal Courts</li><li>Manage attorney calendars, court deadlines, and scheduling</li><li>Coordinate depositions, mediations, hearings, and trial preparation</li><li>Draft correspondence and maintain case files</li><li>Prepare TOAs, TOCs, and litigation-related documents</li></ul>Qualifications<ul><li>7+ years of litigation legal secretary experience</li><li>Strong knowledge of California court rules and procedures</li><li>Experience with state and federal e-filing</li><li>Advanced Microsoft Office skills</li><li>Exceptional organizational skills and attention to detail</li><li>Ability to manage multiple priorities in a fast-paced environment</li></ul>Why Consider This Opportunity?<ul><li>Stable, reputable defense firm with an excellent reputation in the legal community</li><li>Low turnover and long-tenured staff</li><li>Team-oriented, supportive culture</li><li>Direct access to experienced attorneys and leadership</li><li>Opportunity to join a firm where employees build long-term careers</li><li>Competitive compensation and outstanding benefits package</li></ul>Benefits<ul><li>100% employer-paid Medical, Dental & Vision coverage for employees</li><li>Short-Term Disability and Long-Term Disability coverage</li><li>401(k) Safe Harbor Plan with a 3% employer match at 100%, eligible after 90 days</li><li>Profit-sharing program</li><li>PTO: 10 vacation days annually</li><li>5 paid sick days annually</li><li>8 paid holidays (to be confirmed)</li><li>Benefits begin the 1st of the month following 60 days of employment</li><li>Fully covered parking</li><li>Complimentary access to on-site gym facilities</li></ul>If you're seeking a stable firm with great people, meaningful work, and a culture that truly values its staff, we'd love to connect with you.Submit resumes to Vice President, Quidana Dove at Quidana.Dove<at>RobertHalf.<com>
2026-06-12T00:00:00Z

Escrow Administrative Assistant

Corona, CA
onsite
Temporary / Contract
23.75 - 27.5 USD / Hourly
We are looking for an Escrow Administrative Assistant to support escrow-related operations for a construction and contractor environment in Corona, California. This Long-term Contract position is ideal for someone who is highly organized, attentive to detail, and comfortable managing administrative and financial documentation with accuracy. The role will contribute to smooth transaction processing, document control, and customer support while working with accounting and reporting systems. Responsibilities: • Coordinate escrow administrative activities by preparing, organizing, and maintaining transaction files and supporting documentation. • Process checks, financial records, and related data entries with a high level of accuracy and timeliness. • Assist with closing activities by verifying required documents, tracking deadlines, and helping ensure files are complete. • Maintain deeds, escrow paperwork, and customer records in internal systems for reliable access and audit readiness. • Support buying and purchasing-related processes by updating records, reviewing documentation, and monitoring workflow progress. • Generate reports and summaries using accounting and reporting tools, including Crystal Reports, to support operational needs. • Provide responsive customer service by answering inquiries, sharing status updates, and directing issues to the appropriate team members. • Use accounting software, CRM platforms, and data processing systems to enter, review, and reconcile information across escrow files.
2026-06-15T00:00:00Z

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

Senior Accountant

Los Angeles, CA
onsite
Permanent / Full Time
85000 - 95000 USD / Yearly
We are looking for an experienced Senior Accountant to join a growing import/export organization in City of Commerce, California. This role is responsible for maintaining accurate financial records, supporting month-end and quarter-end close activities, and ensuring timely reporting across multiple accounting areas. The ideal candidate brings strong analytical ability, hands-on experience with full-cycle accounting, and a high level of accuracy when managing detailed financial data. Responsibilities: • Maintain the general ledger by recording, reviewing, and reconciling financial transactions to support complete and accurate accounting records. • Manage high-volume accounts payable activities, including detailed invoice review, coding validation, and data corrections as needed. • Oversee cash management tasks such as wire activity, online banking transactions, and bank account reconciliations. • Administer fixed asset and lease accounting, including additions, disposals, tracking schedules, and related account reconciliations. • Prepare quarterly schedules, supporting documentation, and other audit-ready materials for external review. • Coordinate responses and documentation for sales tax and property tax examinations conducted by government agencies. • Analyze inventory balances and cost activity each quarter, research variances, and record appropriate accounting entries. • Review branch-level transaction postings for accuracy and resolve discrepancies in calculations, classifications, or account treatment. • Produce monthly financial statements and complete required government filings in a timely and accurate manner. • Provide broader accounting support as needed, including cross-functional collaboration and backup assistance for other finance responsibilities.
2026-05-27T00:00:00Z

Accounting Assistant

Fullerton, CA
onsite
Temporary to Hire
24 - 25 USD / Hourly
We are looking for an Accounting Assistant to join a manufacturing organization in Fullerton, California on a contract basis with the potential for a permanent role. This position supports both payables and receivables operations, helping maintain accurate financial records and timely transaction processing. The ideal candidate is detail-oriented, organized, and comfortable handling a mix of invoice, payment, and general accounting tasks in a fast-paced environment. Responsibilities: • Enter supplier invoices into the accounting system with a high degree of accuracy and attention to detail. • Reconcile purchase orders, invoices, and payment records to confirm transactions are complete and properly supported. • Maintain organized digital records by scanning and filing invoice documentation for audit readiness and future reference. • Work with vendors and internal purchasing teams to investigate and resolve billing differences or pricing issues. • Coordinate scheduled and off-cycle payment runs while ensuring disbursements are processed correctly and on time. • Secure approvals for invoices outside the purchase order process and apply appropriate general ledger classifications. • Record incoming customer payments promptly and allocate receipts accurately within the accounting system. • Prepare customer billing from shipping documentation and issue invoices on a daily basis. • Review employee expense submissions for required support and policy compliance, and assist with journal entry processing or other accounting projects as needed.
2026-06-19T00:00:00Z

Accounting Assistant

Monrovia, CA
onsite
Temporary / Contract
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.
2026-06-04T00:00:00Z

Legal Executive Assistant

Irvine, CA
onsite
Temporary to Hire
37.411 - 43.318 USD / Hourly
We are looking for an experienced Legal Executive Assistant to provide high-level administrative support to legal leadership in Irvine, California. This onsite role is a Contract to Permanent opportunity for someone who thrives in a fast-moving environment and can keep executive operations organized, efficient, and confidential. The ideal candidate will bring strong judgment, excellent communication skills, and the ability to manage competing priorities while supporting key legal and administrative activities. Responsibilities: • Coordinate complex calendars, schedule meetings, and ensure legal leadership is prepared for daily priorities and upcoming commitments. • Arrange business travel, compile itineraries, and process expense reports and reimbursements with accuracy and timeliness. • Create and format presentations, reports, correspondence, and meeting materials for executive and departmental use. • Maintain legal project records, track action items, and support documentation workflows to help keep initiatives on schedule. • Serve as a reliable point of contact for internal teams and external partners, handling communications with discretion and responsiveness. • Assist with administrative tasks such as data entry, call handling, and general office coordination to support day-to-day department operations. • Contribute to special projects and provide broader administrative support across teams as business needs evolve.
2026-06-13T00:00:00Z

Senior Litigation Attorney

Irvine, CA
onsite
Permanent / Full Time
150000 - 220000 USD / Yearly
Our client, a highly respected and growing litigation boutique in Orange County, is seeking a Senior Litigation Attorney to join its accomplished team.This is an outstanding opportunity for a seasoned litigator who enjoys handling sophisticated matters, mentoring junior attorneys, and playing a meaningful role in case strategy and client relationships. The firm offers high-level litigation work without the bureaucracy often found in larger organizations. Why Consider This Opportunity?• Sophisticated and challenging litigation matters• Direct client contact and significant case responsibility• Collaborative, team-oriented culture• Hybrid work flexibility• Competitive compensation package with bonus potential• Opportunity for long-term growth and leadership Responsibilities:• Manage complex litigation matters from inception through resolution• Develop case strategy and oversee all phases of discovery• Draft and argue motions, including dispositive motions• Take and defend depositions• Attend court appearances, mediations, and settlement conferences• Mentor and supervise junior attorneys and support staff• Maintain strong client relationships and provide strategic counselQualifications:• Active California Bar membership• 8+ years of litigation experience• Strong motion practice, deposition, and case management experience• Proven ability to independently manage a litigation caseload• Excellent writing, analytical, and advocacy skills• Trial experience or significant trial preparation experience preferred Compensation & Benefits:• Competitive base salary commensurate with experience• Performance-based bonus opportunities• Comprehensive medical, dental, and vision benefits• 401(k) program• Generous PTO and paid holidaysThis is an exceptional opportunity to join a firm known for its high-quality work, supportive culture, and commitment to attorney development. For confidential consideration, please contact Qui Dove at Quidana.Dove<at>RobertHalf.<com>
2026-06-19T00:00:00Z

Office Assistant (part-time)

Cerritos, CA
onsite
Temporary to Hire
18.05 - 20.9 USD / Hourly
We are looking for a part-time Office Assistant to join a compassionate team in Cerritos, California in a Contract to Permanent position. This role supports daily office operations by assisting visitors, organizing records, coordinating schedules, and helping maintain accurate administrative processes. The ideal candidate brings strong clerical skills, a detail-oriented communication style, and the ability to handle sensitive interactions with care and respect. Responsibilities: • Welcome visitors, respond to incoming questions, and provide courteous front-office support. • Help guests locate property areas and offer clear directions when needed. • Coordinate appointments and assist with arranging service-related schedules, including burial planning with funeral homes. • Prepare customer documentation, support payment collection activities, and organize daily work and service orders. • Create and maintain both physical and electronic files for customers and decedents while entering accurate information into internal databases. • Manage filing, sort and distribute mail, and assist with proofreading and general administrative tasks. • Keep the lobby and office presentable by restocking materials, tidying shared spaces, and monitoring basic supply levels. • Track headstone deliveries and placements, and communicate with customers regarding missing markers or related updates. • Participate in staff meetings and provide administrative support across departments as needed.
2026-06-18T00:00:00Z