42 Results for Office Assistant Jobs in Riverside, CA

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Project Assistant

Long Beach, CA
onsite
Temporary to Hire
20.5865 - 23.837 USD / Hourly
We are looking for a detail-oriented Project Assistant to support manufacturing projects and help teams stay aligned on schedules, documentation, and follow-up activities in Long Beach, California. This contract opportunity with the potential for a permanent role is ideal for someone who enjoys coordinating moving parts, working across multiple departments, and keeping project information organized and up to date. In this role, you will partner with internal stakeholders and external manufacturing contacts to help maintain momentum on product-related initiatives and ensure important milestones are tracked effectively. Responsibilities: • Oversee project timelines by monitoring milestones, pending tasks, and deliverables tied to vendor and internal manufacturing programs. • Coordinate sourcing updates, sample activity, prototype progress, and tooling schedules to keep stakeholders informed of project status. • Draft and distribute routine updates and follow-up communications for overseas manufacturing partners and related contacts. • Maintain project logs, status reports, and supporting documentation to ensure records remain accurate, current, and easy to access. • Organize sample and prototype requests, including shipment follow-up and tracking through completion. • Gather input from cross-functional teams and consolidate feedback for clear communication to manufacturing partners. • Support meetings by arranging schedules, preparing agendas, recording key discussion points, and tracking next steps. • Review engineering and product files for missing or outdated information and coordinate revisions with the appropriate teams. • Provide day-to-day administrative and project coordination support to Product Development leadership and partnering departments.
2026-10-08T00:00:00Z

Senior Administrative Assistant

Irvine, CA
onsite
Temporary / Contract
36.1 - 41.8 USD / Hourly
We are looking for a Senior Administrative Assistant with relevant experience to provide high-level support in a Contract position based in Irvine, California. This role is ideal for someone who thrives in a fast-moving executive environment, can manage competing priorities with sound judgment, and handles sensitive matters with professionalism. The successful candidate will partner closely with senior leadership to coordinate schedules, communications, meetings, travel, and special projects while ensuring day-to-day operations run smoothly. Responsibilities: • Oversee a complex executive calendar by evaluating priorities, arranging meetings, and resolving scheduling conflicts with minimal disruption to leadership commitments. • Monitor incoming requests and correspondence, respond or route matters appropriately, and keep executives informed of urgent issues and required follow-up actions. • Prepare for leadership meetings by organizing agendas, gathering supporting materials, recording key discussions, and circulating clear notes with assigned owners and target dates. • Maintain organized records for corporate documentation, reports, and other confidential files, ensuring information can be retrieved quickly when needed. • Act as a point of coordination with legal counsel by tracking document requests, safeguarding sensitive legal records, managing deadlines, and reviewing invoices for accuracy. • Support assigned initiatives by documenting requirements, coordinating communication among stakeholders, tracking milestones, and compiling status updates on progress, timing, and scope. • Arrange meetings with investors, attorneys, business partners, and guests by confirming logistics, sharing directions and schedules, and preparing presentations or hospitality support when appropriate. • Manage domestic and international travel planning, including flights, lodging, ground transportation, and detailed itineraries for executive travel needs. • Provide additional administrative assistance with shipments, deliveries, event support, errands, and gift coordination for business-related and approved executive needs.
2026-10-09T00:00:00Z

Receptionist

Irvine, CA
onsite
Temporary to Hire
19.7885 - 22.913 USD / Hourly
We are looking for an experienced and dependable Office Coordinator to support daily front desk operations in Irvine, California. This contract opportunity offers the potential for a permanent role and is ideal for someone who enjoys creating a welcoming office environment while keeping administrative tasks organized and on track. The person in this role will serve as a key point of contact for visitors, callers, and internal teams, helping the office run smoothly through strong communication and attention to detail. Responsibilities:• Welcome guests and direct them appropriately while ensuring a welcoming and positive first impression.• Manage appointment calendars, meeting schedules, and conference room bookings to support efficient office coordination.• Handle incoming mail, parcels, and deliveries, and distribute items promptly to the correct recipients.• Monitor inventory of office materials and arrange replenishment orders to maintain day-to-day operations.• Enter and update information in internal systems with accuracy and consistency.• Support administrative workflows by scanning documents, organizing files, making copies, and maintaining orderly records.• Keep the reception space and shared office areas neat, presentable, and ready for visitors and staff.• Provide administrative assistance across departments and contribute to special assignments or additional office needs as they arise.
2026-10-08T00:00:00Z

Receptionist

Fountain Valley, CA
onsite
Temporary to Hire
23.75 - 27.5 USD / Hourly
We are looking for an experienced and dependable Receptionist to support front desk operations in Fountain Valley, California. This Contract to permanent position is ideal for someone who enjoys creating a positive first impression while keeping daily administrative activities organized and on track. The person in this role will serve as a key point of contact for visitors, callers, and employees, while helping maintain an organized and efficient office environment. Responsibilities: • Welcome guests and callers courteously, respond to general questions, and connect them with the appropriate department or team member. • Keep the reception and lobby areas orderly, presentable, and ready to receive visitors throughout the day. • Track visitor activity, document incoming calls and requests accurately, and maintain organized front desk records. • Provide administrative support such as data entry, file organization, document copying, form collection, and preparation of basic office materials. • Manage visitor access by preparing badges for approved guests and coordinating employee escorts in accordance with company security procedures. • Support workplace programs by assisting with ergonomic request coordination and monitoring front desk-related safety check-in processes for gym visitors. • Help coordinate internal meetings, employee gatherings, lunches, and team-building events as needed. • Receive and distribute mail, packages, and courier deliveries, while also monitoring office supply levels and replenishing materials when necessary.
2026-10-10T00:00:00Z

Receptionist

Arcadia, CA
onsite
Temporary to Hire
20 - 22 USD / Hourly
We are looking for a dependable Receptionist to support daily office operations in California. This contract-to-permanent opportunity blends front-desk coordination with administrative and accounting-related support, making it ideal for someone who is highly organized, detail-focused, and comfortable working with sensitive information. The right candidate will manage multiple priorities confidently while maintaining clear communication with customers, vendors, and internal team members. Responsibilities: • Welcome visitors, answer and direct calls through a multi-line phone system, and create a welcoming front-office experience. • Process accounts payable entries and assist with routine accounting tasks to help keep financial records accurate and current. • Support payroll administration by handling assigned portions of the process in coordination with other team members. • Post general ledger activity and provide day-to-day assistance with accounting operations as needed. • Review sales information, identify inconsistencies or missing details, and follow through to resolve issues promptly. • Track office and operational supply levels, place orders when needed, and maintain organized administrative inventory records. • Prepare bank deposits, assist with payment processing, and provide backup support for accounting-related tasks such as order release coordination. • Contact customers regarding outstanding receivable balances and maintain consistent follow-up to support timely collections. • Assist with special projects, including gathering vendor quotes, coordinating administrative tasks, and supporting event planning. • Maintain accurate documentation, complete assignments on schedule, and communicate effectively with customers, vendors, and internal staff.
2026-10-01T00:00:00Z

Receptionist

Arcadia, CA
onsite
Temporary / Contract
20 - 22 USD / Hourly
We currently have an opening for an articulate, skilled Receptionist. In this role, you will greet visitors, handle incoming calls and perform general administrative duties. Proficient Receptionists will also assist other administrative staff with overflow work, including word processing, data entry and Internet research tasks.Receptionists with 1 or more years of experience managing multi-line phone systems (15+ lines) looking for new opportunities should apply today. Excellent career opportunity for a career-minded Receptionist with a strong desire to succeed! This is opportunity is available exclusively through Robert Half. For immediate consideration email your resume and call 626.463.2031· Answer and direct phone calls in a polite and friendly manner· Welcome visitors in a warm and friendly manner, and answer any questions visitors have· Maintain reception area and all common areas in a clean and tidy manner at all times· Operate standard office equipment on a regular basis, including a fax machine, a copy machine, and a computer· Keep detailed and accurate records of visitor requests and of calls received· Receive deliveries; sort and distribute incoming mail· Take inventory of supplies and restock as needed· Maintain the general office filing system
2026-10-05T00:00:00Z

Receptionist

Pasadena, CA
onsite
Temporary / Contract
20 - 22 USD / Hourly
We currently have an opening for an articulate, skilled Receptionist. In this role, you will greet visitors, handle incoming calls and perform general administrative duties. Proficient Receptionists will also assist other administrative staff with overflow work, including word processing, data entry and Internet research tasks. · Answer and direct phone calls in a polite and friendly manner· Welcome visitors in a warm and friendly manner, and answer any questions visitors have· Maintain reception area and all common areas in a clean and tidy manner at all times· Operate standard office equipment on a regular basis, including a fax machine, a copy machine, and a computer· Keep detailed and accurate records of visitor requests and of calls received· Receive deliveries; sort and distribute incoming mail· Take inventory of supplies and restock as needed· Maintain the general office filing system
2026-10-05T00:00:00Z

Legal Secretary

Santa Ana, CA
onsite
Permanent / Full Time
70000 - 90000 USD / Yearly
We are looking for a skilled Legal Secretary to support a busy civil litigation team in Santa Ana, California. This role is well suited for someone who thrives in a fast-paced law firm environment, brings strong organizational judgment, and can manage multiple attorney needs with accuracy and professionalism. The position offers the opportunity to contribute to a respected national practice while working closely with attorneys on civil litigation matters. Responsibilities:• Support a group of attorneys by coordinating day-to-day administrative and litigation-related tasks across an active caseload.• Prepare, format, revise, and finalize legal documents, correspondence, tables of contents, and tables of authorities with close attention to detail.• Handle electronic court filings in state and, when needed, federal courts while ensuring submissions meet procedural requirements and deadlines.• Maintain attorney schedules by organizing meetings, tracking commitments, and helping keep calendars and priorities aligned.• Process attorney expense reports and related administrative documentation in a timely and accurate manner.• Assist with client-facing materials, including drafting and editing routine correspondence and other legal support documents.• Work within document management platforms to organize files, retrieve records, and maintain efficient document control practices.• Provide dependable office support that helps attorneys stay prepared, responsive, and organized throughout the litigation process.
2026-10-09T00:00:00Z

Legal Secretary

Irvine, CA
onsite
Permanent / Full Time
85000 - 95000 USD / Yearly
We're partnering with a highly respected Am Law firm seeking an experienced Legal Secretary to join its collaborative team. This is an exceptional opportunity to join a prestigious firm that truly values its staff. We've successfully placed multiple legal professionals with this firm, and they consistently speak highly of the supportive culture, professional development opportunities, and long-term career growth. Qualifications:<ul><li>5+ years of legal secretary experience in a law firm.</li><li>Experience supporting multiple attorneys in a fast-paced legal environment.</li><li>Strong knowledge of state and federal court filings, calendaring, and litigation deadlines.</li><li>Experience preparing pleadings, correspondence, TOAs/TOCs, discovery, and other legal documents.</li><li>Excellent organizational, proofreading, and communication skills.</li><li>Ability to prioritize competing deadlines while maintaining exceptional attention to detail.</li><li>Proficiency with Microsoft Office and legal document management systems.</li></ul>What the Firm Offers:<ul><li>Hybrid work schedule.</li><li>Competitive compensation.</li><li>Excellent medical, dental, and vision benefits.</li><li>401(k) with employer contribution.</li><li>Generous PTO and paid holidays.</li><li>Annual bonus potential.</li><li>Outstanding firm culture with strong employee retention.</li><li>A collaborative team where legal support staff are valued and recognized.</li></ul>We've placed professionals with this firm who continue to thrive and are genuinely happy in their roles—a testament to the firm's culture and commitment to its employees.If you're an experienced legal secretary looking to join a top-tier firm with excellent benefits and long-term stability, we'd love to speak with you. To apply, submit resumes ONLY to Vice President, Quidana Dove at Quidana.Dove<at>RobertHalf.<com>
2026-09-22T00:00:00Z

Legal Secretary

Santa Ana, CA
onsite
Temporary to Hire
27.7115 - 32.087 USD / Hourly
We are looking for a highly organized Legal Secretary to join a respected law firm in California and provide dedicated support to a fast-paced litigation team. This contract opportunity offers the chance to contribute in a collaborative, team-focused environment while working alongside experienced legal professionals on complex matters. The ideal candidate brings strong organizational skills, sound judgment, and the ability to manage multiple priorities with accuracy and discretion. Responsibilities: • Support a group of attorneys by managing day-to-day administrative and litigation-related tasks in a high-volume practice. • Draft, revise, proofread, and finalize legal documents, correspondence, pleadings, and other case materials with close attention to formatting and accuracy. • Prepare and submit electronic court filings in state courts and assist with federal filings as needed, ensuring compliance with applicable rules and deadlines. • Create and update Tables of Authorities and Tables of Contents for briefs, motions, and other court submissions. • Coordinate calendars, schedule meetings, and track important case dates to help attorneys stay organized and meet filing and hearing deadlines. • Handle document production and maintain orderly electronic and physical case files for efficient access and retrieval. • Process expense reports and reimbursement requests for attorneys in a timely and accurate manner. • Use document management systems to store, organize, and retrieve legal records while providing general administrative support to attorneys and legal staff.
2026-10-06T00:00:00Z

Legal Secretary

Newport Beach, CA
onsite
Permanent / Full Time
80000 - 105000 USD / Yearly
Litigation Legal Assistant – HYBRID - Newport BeachRobert Half Legal is partnering with a highly regarded, full-service business law firm to identify a Litigation Legal Assistant. With over 50 years in the market and a national footprint, this firm is known for delivering sophisticated legal counsel across a wide range of complex transactions and disputes while maintaining a collaborative, team-oriented culture. This opportunity is best suited for a Litigation Legal Assistant with strong federal court experience who can independently manage filings, deadlines, and procedural requirements across multiple jurisdictions. Candidates must be comfortable navigating federal rules (including outside of California) and supporting attorneys in a fast-paced, high-expectations environment. Key Responsibilities<ul><li>Provide high-level litigation support to attorneys across complex civil matters</li><li>Draft, format, proofread, and finalize pleadings, motions, discovery, affidavits, complaints, and legal memoranda</li><li>Handle state and federal court filings, including e-filings and occasional paper filings</li><li>Manage litigation calendars, court deadlines, and procedural timelines using firm software</li><li>Identify and submit documents for docketing and ensure compliance with all court requirements</li><li>Assist attorneys with reviewing, organizing, and summarizing case materials and correspondence</li><li>Prepare matrices, charts, spreadsheets, and privilege logs as needed</li><li>Support arbitration and trial preparation, including document organization and logistics</li><li>Maintain accurate time records for billable tasks</li></ul>Why Join This Firm<ul><li>Established firm with 50+ years of success and over 100 attorneys across multiple offices</li><li>Offers sophisticated, “big firm” work with a more flexible and collaborative environment</li><li>Team-oriented culture where support staff are valued and cross-trained</li><li>Hybrid work schedule (4 days onsite, 1 day remote)</li><li>Beautiful penthouse office in Newport Beach</li></ul>Benefits<ul><li>Medical, dental, vision, and life insurance starting day one</li><li>401(k) with profit sharing</li><li>Paid time off, including vacation and sick time</li><li>Additional voluntary benefits including disability, supplemental insurance, and wellness programs</li><li>Access to financial planning resources and educational seminars</li></ul>CompensationSalary range: $80,000–$105,000, plus performance-based holiday bonus.Compensation will vary based on federal court experience, technical skillset, and overall career stability.
2026-10-02T00:00:00Z

Estate Planning Legal Assistant

Irvine, CA
onsite
Permanent / Full Time
65000 - 85000 USD / Yearly
Established full-service, mid-sized firm seeks a Legal Assistant to join its Estate Planning department! This Estate Planning Legal Assistant will communicate with clients, draft estate planning documents, schedule and calendar meetings, and perform various general administrative tasks. This legal assistant will join an Estate Planning department with 2 other legal assistants and 4 paralegals. This Legal Assistant must live in and be able to commute to Irvine, CA. Benefits include medical, life insurance, FSA, 401K, profit sharing, paid vacation, paid sick days, paid holidays, and more! For immediate consideration for this exciting Estate Planning Legal Assistant opportunity, please send your resume directly to Assistant Vice President of Direct Hire, Tess Poliakin: Tess.Poliakin<at>RobertHalf.<com>
2026-10-09T00:00:00Z

Accounting Clerk

Pasadena, CA
onsite
Temporary / Contract
20 - 22 USD / Hourly
Robert Half is looking for Accounting Clerks for ongoing opportunities. To be considered for one of our opportunities the Accounting Clerks must be confident in matching invoices to purchase orders and/or vouchers, data entry and assisting in the process of Accounts Payable A/P and Accounts Receivable A/R. Our open positions are both temp and temp to hire basis. For immediate consideration email your resume and call 626.463.2030 to schedule an interview.Accounts Payable:· Process and record accounts payable transactions.· Verify accuracy of invoices, match them with purchase orders and receipts, and ensure timely payment to vendors.Accounts Receivable:· Record and process accounts receivable transactions.· Generate and send invoices to customers, monitor payments, and follow up on overdue accounts.Data Entry:· Enter financial data into accounting software or spreadsheets.· Maintain accurate and organized records of financial transactions.Bank Reconciliation:· Reconcile bank statements with general ledger accounts.· Identify and resolve discrepancies between bank transactions and accounting records.Expense Reports:· Review and process employee expense reports.· Verify receipts, ensure compliance with company policies, and facilitate reimbursement.
2026-10-05T00:00:00Z

Accounting Clerk

Hunnington Beach, CA
onsite
Permanent / Full Time
50000 - 52000 USD / Yearly
Accounting ClerkLocation: Huntington Beach, CaliforniaJob Type: Full-timeA growing and expanding firm in Huntington Beach, California is seeking a dependable and detail-oriented Accounting Clerk to join its team. This is an excellent opportunity for an accounting professional who enjoys working with numbers, staying organized, and supporting day-to-day financial operations.The Accounting Clerk will assist with accounts payable, accounts receivable, invoice processing, account reconciliations, and general accounting functions. The ideal candidate is accurate, organized, dependable, and comfortable handling a high volume of financial information while maintaining a professional approach.Responsibilities:<ul><li>Enter and process vendor and customer invoices accurately within the accounting system, including NetSuite when applicable.</li><li>Support accounts payable by maintaining vendor records, reviewing invoices, verifying details, and preparing items for payment.</li><li>Assist with accounts receivable by posting customer payments, updating account records, and tracking outstanding balances.</li><li>Review invoices and supporting documentation to verify coding, amounts, and other key details.</li><li>Research account discrepancies and assist with resolving billing and payment issues with vendors, customers, and internal departments.</li><li>Maintain accurate and organized electronic financial records.</li><li>Assist with account reconciliations and month-end close activities.</li><li>Support accounting reports and other financial projects as needed.</li><li>Provide general accounting and administrative support to the finance team.</li><li>Maintain confidentiality and accuracy when handling financial information.</li></ul>Qualifications:<ul><li>Previous accounting, bookkeeping, accounts payable, or accounts receivable experience preferred.</li><li>Strong attention to detail and accuracy.</li><li>Comfortable working with numbers and financial data.</li><li>Experience with accounting software; NetSuite experience is a plus.</li><li>Proficiency with Microsoft Excel and standard office applications.</li><li>Strong organizational and time-management skills.</li><li>Ability to manage multiple priorities and meet deadlines.</li><li>Professional written and verbal communication skills.</li><li>Ability to work independently and contribute effectively as part of a team.</li></ul>Why Join This Firm?This is an opportunity to join a growing company that is expanding its operations and building its team for continued success. The Accounting Clerk will have the opportunity to contribute to a growing organization while developing experience across a variety of accounting functions.Qualified candidates who are dependable, detail-oriented, and interested in growing their accounting career are encouraged to apply. For confidential consideration, please email your Robert Half recruiter. If you're not currently working with anyone at Robert Half, please click "Apply" or call 562-800-3963 and ask for David Bizub. Please reference job order number00460-0013490880 email resume to [email protected]
2026-09-25T00:00:00Z

Accounting Clerk

Pasadena, CA
onsite
Temporary / Contract
19.7885 - 22.913 USD / Hourly
We are looking for an Accounting Clerk to support day-to-day financial operations for a Contract position based in Pasadena, California. This role focuses on maintaining accurate records, handling invoice activity, and assisting with both payables and receivables in a fast-paced environment. The ideal candidate brings strong attention to detail, comfort with accounting software, and the ability to manage high-volume data entry with consistency and accuracy. Responsibilities: • Process vendor invoices, verify supporting documentation, and ensure payments are recorded accurately and on schedule. • Prepare and post customer billing information while monitoring incoming payments and resolving routine account discrepancies. • Enter financial data into accounting systems with a high level of accuracy to maintain reliable records and reporting. • Use QuickBooks and related tools to update account activity, reconcile entries, and support daily bookkeeping tasks. • Review accounts payable and accounts receivable transactions to identify missing information, errors, or overdue items. • Maintain organized financial files and documentation so records are accessible for internal review and audit support. • Communicate with vendors, customers, and internal team members to clarify billing details and payment status. • Assist with invoice processing workflows and contribute to smooth month-end accounting activities.
2026-10-09T00:00:00Z

Sr. Administrative Assistant

Long Beach, CA
onsite
Temporary to Hire
20.976 - 24.288 USD / Hourly
We are looking for a highly organized Sr. Administrative Assistant to provide senior-level support in Long Beach, California. This Contract to permanent opportunity is ideal for someone who thrives in a fast-paced environment, communicates effectively, and can manage competing priorities with confidence. The person in this role will work closely with executives and key stakeholders, helping keep schedules, meetings, documentation, and administrative operations running smoothly. Responsibilities: • Deliver comprehensive administrative support to executives, senior leaders, and board-level stakeholders while maintaining an experienced and detail-oriented presence. • Oversee busy calendars by arranging appointments, coordinating meetings, and resolving scheduling conflicts across multiple parties. • Organize executive and board meetings, including agenda preparation, meeting materials, room setup, virtual access, and overall logistics. • Coordinate business travel by securing transportation, lodging, and detailed itineraries based on leadership needs. • Create and format business documents such as correspondence, reports, slide presentations, and spreadsheets with a high degree of accuracy. • Manage confidential information with sound judgment and discretion in all communications and documentation. • Support meeting operations by arranging conference rooms, virtual meeting details, catering, and related event needs. • Monitor incoming calls, messages, and other communications, helping prioritize urgent matters and direct visitors appropriately. • Track deadlines, follow-up items, expenses, invoices, purchase requests, and records to help ensure administrative activities stay organized and on schedule.
2026-10-09T00:00:00Z

Legal Assistant (Corporate M&A + Trial)

Costa Mesa, CA
onsite
Permanent / Full Time
90000 - 125000 USD / Yearly
CORPORATE M&A LEGAL ASSISTANT - COSTA MESAA highly respected international law firm is seeking an experienced Legal Assistant to support their corporate M&A practice. M&A experience is required. Please do not apply if you have not worked on mergers & acquisitions in the past. This role is 4 days on site in Costa Mesa, 1 day remote. Responsibilities<ul><li>Prepare and organize M&A signature packets</li><li>Assist with compiling and distributing transaction documents</li><li>Format complex corporate documents, including tables of contents using Styles</li><li>Support attorneys and paralegals on corporate transactions</li></ul> Compensation + Benefits<ul><li>Base salary: $90,000 - $125,000</li><li>Discretionary year-end bonus</li><li>Medical, dental, and vision coverage</li><li>401(k) with employer match</li><li>Three weeks of PTO, no accrual</li><li>Ten paid holidays plus a paid volunteer day</li><li>Supportive team environment, strong administrative resources, and long-term career stability with many employees holding lengthy tenures.</li></ul>
2026-10-02T00:00:00Z

42 results for Office Assistant in Riverside, CA