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20 results for Office Assistant in Manteca, CA

Administrative Assistant

Concord, CA
onsite
Temporary to Hire
32 - 33 USD / Hourly
We are looking for an Administrative Assistant to support insurance operations in Concord, California. This role is ideal for someone who thrives in a fast-paced office environment and can balance client service, documentation, and coordination across multiple priorities. The role will partner closely with two insurance agents, helping keep applications, renewals, and client records organized while ensuring responsive follow-up with carriers and customers. Administrative Assistant Duties:<ul><li>Provide administrative support to two insurance agents handling both group and individual insurance services.</li><li>Assist with processing and tracking insurance applications to help ensure timely approvals.</li><li>Perform accurate data entry and maintain client records within the company's CRM system.</li><li>Upload and organize client information, emails, and documentation.</li><li>Retrieve and process policy renewals from carrier websites.</li><li>Communicate with insurance carriers to resolve policy, enrollment, and service-related issues.</li><li>Support day-to-day office operations and assist with various administrative projects as needed.</li><li>Help manage client inquiries and assist with insurance-related documentation and follow-up.</li><li>Work with individual insurance plans through Covered California, Kaiser and Blue Shield.</li><li>Utilize Excel and internal systems to maintain records, track information, and support reporting needs.</li></ul> Ideal Background:<ul><li>Previous administrative or office support experience required.</li><li>Previous insurance industry experience preferred.</li><li>Demonstrated ability to learn new systems, processes, and tools.</li><li>Professional and confident communication skills, both over the phone and through email.</li><li>Strong interpersonal skills and a customer-focused approach.</li><li>Comfortable interacting with a diverse client base and building positive working relationships.</li><li>Highly organized, dependable, and able to manage multiple responsibilities effectively.</li><li>California Life and Health Insurance licensing is a plus but not required.</li></ul> If you are interested in the Administrative Assistant position, please apply today!
2026-08-14T00:00:00Z

Administrative Assistant

Lathrop, CA
onsite
Temporary / Contract
23.75 - 27.5 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to support daily office operations for a non-profit organization in Lathrop, California. This Long-term Contract position is ideal for someone who is organized, responsive, and comfortable handling a mix of clerical, records management, and front-office responsibilities. The role will involve document preparation, permit and application coordination, and report support while helping maintain efficient administrative workflows. Responsibilities: • Coordinate the processing and monitoring of various applications and permits, including documentation related to building and transportation requests. • Organize, update, and maintain department records to ensure documents are accurately stored and easy to retrieve. • Prepare correspondence, forms, and other business documents based on verbal direction and brief written notes. • Compile administrative information and produce routine reports to support departmental activities and tracking needs. • Provide front-desk and general office support, including answering inbound calls and assisting visitors professionally. • Perform data entry tasks with accuracy and timeliness while keeping office information current. • Support day-to-day administrative operations by managing files, routing paperwork, and assisting with office coordination.
2026-07-27T00:00:00Z

Administrative Assistant

Fremont, CA
onsite
Temporary / Contract
23.75 - 27.5 USD / Hourly
We are looking for an Administrative Assistant to support daily office operations in Fremont, California. This Long-term Contract position is ideal for someone who is organized, detail oriented, and comfortable managing front-desk activities while keeping administrative processes running smoothly. The role involves communication support, record maintenance, and general coordination across routine office functions. Responsibilities: • Manage day-to-day administrative tasks to help maintain an efficient and organized office environment. • Serve as the first point of contact by greeting visitors and handling incoming phone calls in a courteous manner. • Enter, update, and maintain records with accuracy to support reporting and documentation needs. • Coordinate general front-desk and receptionist activities, including message taking and directing inquiries to the appropriate contacts. • Assist with office correspondence, scheduling, filing, and other routine clerical duties as needed. • Support administrative workflows by preparing documents and ensuring information is properly organized and accessible.
2026-08-07T00:00:00Z

Administrative Assistant

Stockton, CA
onsite
Temporary / Contract
21.375 - 24.75 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to support transit service development activities in Stockton, California. This Long-term Contract opportunity is ideal for someone who enjoys balancing office coordination with occasional field-based assignments, including transit observations and service data collection. The role requires strong organization, sound judgment, and the ability to communicate clearly with both internal staff and transit riders while helping maintain accurate administrative records and reports. Responsibilities: • Provide day-to-day administrative support for the department, including front-desk assistance, document preparation, filing, and general office coordination. • Enter and maintain operational data with accuracy, including information gathered from driver manifests and other service-related records. • Conduct field observations by riding buses, counting passengers, reviewing route activity, and documenting findings for reporting purposes. • Assist riders by interpreting bus schedules, explaining route options, and offering clear travel directions using printed and online resources. • Prepare, update, and organize spreadsheets, reports, and department records using Microsoft Office applications. • Support required transit reporting activities by compiling and organizing data used for annual performance tracking. • Work effectively both independently and with team members to complete assignments on schedule and with close attention to detail.
2026-08-14T00:00:00Z

General Office Clerk

San Jose, CA
onsite
Temporary / Contract
20.9 - 24.2 USD / Hourly
We are looking for a detail-oriented General Office Clerk to support daily administrative operations in San Jose, California. This Contract position is ideal for someone who works efficiently with records, digital documents, and routine office tasks while maintaining accuracy. The role will contribute to smooth back-office workflows by handling file organization, document processing, and data updates in a fast-paced environment. Responsibilities: • Scan paper records and convert them into organized digital files for easy retrieval and tracking. • Maintain orderly filing systems by sorting, labeling, and archiving documents in both physical and electronic formats. • Enter information into internal databases and spreadsheets with a strong focus on completeness and accuracy. • Provide day-to-day back-office assistance to help keep administrative processes running smoothly. • Review documents for legibility and proper classification before uploading or storing them. • Retrieve, update, and distribute records as needed to support office operations and team requests.
2026-08-14T00:00:00Z

Marketing and Office Assistant

Walnut Creek, CA
onsite
Temporary to Hire
27 - 37 USD / Hourly
Robert Half's construction client is looking for a Marketing Assistant to join a construction industry team in Walnut Creek, California. This contract-to-permanent opportunity is ideal for someone who enjoys balancing marketing coordination with administrative support in a fast-paced office setting. In this role, you will contribute to proposals, promotional materials, social media activity, event planning, and day-to-day executive support while gaining the opportunity to grow within a dynamic work environment. Marketing Assistant Responsibilities:• Develop and format proposals, presentation decks, qualification packages, and other branded materials with a strong eye for accuracy and visual consistency.• Refresh and organize marketing content such as staff bios, project summaries, case studies, and collateral used for business development efforts.• Support content development by researching information, editing copy, and preparing materials needed for client-facing submissions and campaigns.• Coordinate social media activity by preparing posts, managing publishing schedules, and helping maintain an active presence across key platforms.• Maintain marketing and sales support resources, track ongoing initiatives, and assist with reporting related to engagement and campaign performance.• Help organize corporate events, industry conferences, sponsorships, and networking activities by handling logistics, communications, and execution details.• Provide administrative assistance to leadership through calendar coordination, meeting scheduling, travel planning, and related office support tasks.• Assist with general office operations, respond to correspondence and inbound inquiries, and contribute to special projects as needed.• Use business development, CRM, and AI-enabled tools to support marketing workflows, content preparation, and operational efficiency where appropriate. If you are interested in this Marketing Assistant position, please submit your resume today!
2026-08-14T00:00:00Z

Receptionist

Alamo, CA
onsite
Temporary to Hire
25 - 27 USD / Hourly
Robert Half client is looking for a friendly and organized Receptionist to support daily front desk operations for a wealth management firm in Alamo, California. This contract opportunity with potential for a permanent role is well suited for someone who enjoys creating a welcoming experience for visitors while keeping communication and administrative tasks running smoothly. The ideal candidate will be comfortable handling incoming calls, managing mail flow, and assisting with general office coordination. This is a part-time opportunity. M-F, four hours per day. Receptionist Duties:• Welcome visitors and provide a welcoming first point of contact for clients, tenants, vendors, and team members.• Manage a multi-line phone system, direct calls efficiently, and take accurate messages when needed.• Respond to inbound inquiries with courtesy and route requests to the appropriate department or contact.• Sort, distribute, and organize incoming and outgoing department mail to support daily office operations.• Maintain a tidy and well-organized reception area that reflects a positive and organized office environment.• Assist with client appreciation efforts by helping coordinate small events, communications, or hospitality-related tasks.• Provide part-time front desk coverage while supporting routine administrative needs across the office as needed. If you are interested in this receptionist role, please apply today!
2026-08-14T00:00:00Z

Legal Secretary

Lafayette, CA
onsite
Temporary / Contract
33 - 42 USD / Hourly
A well-established East Bay law firm is seeking a Litigation Secretary to join its growing team. This position will provide direct support to a busy attorney and play a key role in keeping litigation matters organized, on track, and moving efficiently. The ideal candidate is an experienced litigation support professional who can step in with minimal training, manage competing priorities, and serve as a reliable resource for the legal team.This is a contract-to-hire opportunity with a firm that values work-life balance, offers flexibility, and genuinely treats employees as part of the team. Responsibilities<ul><li>Manage attorney calendars, deadlines, and court appearances</li><li>Prepare, file, and serve legal documents in state and federal courts</li><li>Handle e-filing and monitor filing deadlines</li><li>Draft, revise, proofread, and format correspondence and pleadings</li><li>Maintain and organize electronic and physical case files</li><li>Assist with document management and records organization</li><li>Conduct conflict checks, if experienced</li><li>Provide general litigation administrative support as needed</li></ul>
2026-08-07T00:00:00Z

Legal Secretary

Lafayette, CA
onsite
Permanent / Full Time
85000 - 110000 USD / Yearly
We are looking for a detail-oriented Legal Secretary to support a civil litigation practice in Lafayette, California. This position is well suited for someone who can manage a busy legal desk, maintain accuracy under tight deadlines, and keep case materials organized. Candidates with solid litigation support experience are preferred, though motivated professionals with strong potential will also be considered. This role is focused on legal secretarial work and is not designed as a track toward paralegal responsibilities. Responsibilities: • Prepare, format, and submit court filings electronically while ensuring compliance with applicable court rules and deadlines. • Maintain attorney calendars by tracking hearings, filing dates, and other case-related obligations with a high degree of accuracy. • Organize, update, and retrieve legal documents in document management systems, including NetDocuments when applicable. • Draft, revise, and finalize correspondence, pleadings, and other legal materials from attorney notes, edits, or dictation. • Monitor active litigation matters and provide day-to-day administrative support to keep the civil litigation desk running efficiently. • Coordinate communications, schedule matters, and manage Outlook-based email and calendar activity to support attorneys and case progress.
2026-08-10T00:00:00Z

Sr. Executive Assistant

Oakdale, CA
onsite
Temporary to Hire
25.65 - 29.7 USD / Hourly
We are looking for an experienced Executive Assistant to provide high-level support to senior leadership in California. This contract-to-permanent opportunity is ideal for someone who thrives in a fast-moving office setting and brings sound judgment, professionalism, and strong follow-through to every task. The person in this role will help keep executive priorities on track by managing schedules, coordinating travel, preparing materials, and handling sensitive administrative matters with discretion. Responsibilities: • Oversee executive calendars by arranging meetings, resolving scheduling conflicts, and ensuring leaders are prepared for daily commitments. • Coordinate business travel from start to finish, including transportation, lodging, flight arrangements, and detailed itineraries for domestic and international trips. • Create and organize presentations, reports, agendas, and written communications that support meetings and leadership initiatives. • Maintain accurate and confidential records, files, and documentation in an orderly and accessible manner. • Plan meeting logistics by securing rooms, arranging catering when needed, and confirming all materials and setup requirements are in place. • Monitor deadlines, action items, and follow-up tasks to help executives stay aligned on priorities and deliverables. • Review and submit expense reports, invoices, and related administrative paperwork with accuracy and timeliness. • Act as a point of coordination between senior leaders, internal departments, and external contacts to support smooth communication. • Contribute to special assignments and provide additional administrative support as business needs evolve.
2026-07-21T00:00:00Z

Human Resources (HR) Assistant

Stockton, CA
onsite
Temporary / Contract
24.7 - 26 USD / Hourly
We are looking for a detail-oriented Human Resources Assistant to support daily HR operations for a Contract position based in Stockton, California. In this role, you will serve as a key point of contact for employee questions, assist with onboarding activities, and provide administrative support across core HR functions. The ideal candidate brings at least 2 years of experience in human resources and is comfortable interacting with employees and leaders at all levels of the organization. Familiarity with Paycom is important to help respond to system-related inquiries and support routine HR processes effectively. Responsibilities: • Respond to day-to-day employee questions and provide timely guidance on HR-related matters. • Support onboarding activities by coordinating documentation, communications, and orientation-related tasks. • Assist with employee relations matters by helping route inquiries and maintain appropriate follow-up. • Conduct and track candidate screening activities to support the hiring process. • Provide administrative support for a range of HR functions, including record maintenance and routine correspondence. • Use Paycom to help address user questions, review information, and support HR team processes within the system. • Work closely with employees, supervisors, and leadership to ensure clear communication and consistent HR support.
2026-07-27T00:00:00Z

Accounting Clerk

Concord, CA
onsite
Temporary to Hire
23.75 - 27.5 USD / Hourly
We are looking for an entry-level Accounting Clerk to join a construction-focused team in Contra Costa County, California on a contract basis with the potential for a permanent position. This opportunity is well suited for someone with accounting knowledge or related education who wants to build hands-on experience in project billing and financial support within a busy office setting. The role will contribute to billing accuracy, payroll assistance, and project documentation while working closely with project managers, subcontractors, and internal accounting staff. Responsibilities:• Coordinate daily project billing tasks and help keep invoicing activities accurate, organized, and on schedule.• Review, enter, and monitor change order information to ensure project records remain current and complete.• Provide support for payroll-related processing by gathering documentation and assisting with related administrative tasks.• Maintain billing files, backup records, and supporting financial information with a high degree of accuracy.• Perform large-volume data entry work efficiently while checking details carefully to reduce errors.• Communicate with project managers, subcontractors, and internal departments to address questions tied to billing or account activity.• Investigate discrepancies in billing or payroll information and assist in resolving issues in a timely manner.
2026-08-12T00:00:00Z

Accounting Clerk

Walnut Creek, CA
onsite
Temporary / Contract
24 - 27 USD / Hourly
We are looking for an Accounting Clerk to join our client in Walnut Creek, California on a Contract basis. This position supports both accounts payable and accounts receivable activities, with a strong focus on accuracy, organization, and responsive service. The role is well suited to someone who can manage detailed financial tasks, communicate clearly with residents, and maintain a detail-oriented, calm approach. Responsibilities: • Review and process a high volume of vendor invoices each week, ensuring supporting documentation is complete and matched accurately before payment.• Verify invoice coding generated through the NetSuite add-on tool and make corrections as needed to maintain accurate financial records across multiple entities.• Support accounts receivable activities related to resident move-ins and move-outs, including updating account details and recording charges correctly.• Set up and manage direct debit payment arrangements for residents while confirming information is entered accurately.• Respond to resident account inquiries and provide clear, courteous assistance regarding balances, payments, and billing matters.• Perform detailed data entry and maintain organized accounting records to support daily financial operations.• Coordinate with internal team members to help resolve discrepancies in payable and receivable transactions in a timely manner.• Use NetSuite for transaction processing and routine account maintenance while handling minimal Excel-related tasks as needed.
2026-08-16T00:00:00Z

Accounting Clerk

Walnut Creek, CA
onsite
Temporary / Contract
25 - 30 USD / Hourly
We are seeking an experienced Accounts Payable Specialist for a short-term temporary project. This position will provide additional support to a busy accounting department by processing invoices, reconciling vendor accounts, and assisting with an accounts payable backlog. Responsibilities:<ul><li>Review, code, and enter vendor invoices</li><li>Match invoices with purchase orders and receiving documentation</li><li>Obtain required invoice approvals</li><li>Research and resolve invoice and payment discrepancies</li><li>Reconcile vendor statements and follow up on missing invoices</li><li>Assist with check runs, ACH payments, and other payment processing</li><li>Maintain accurate vendor records and supporting documentation</li><li>Respond to vendor inquiries regarding invoices and payment status</li><li>Assist with cleaning up aging accounts and unapplied credits</li><li>Support additional accounts payable projects as needed</li></ul> This is a short-term temporary assignment for someone who can quickly step in, work independently, and help the accounting team complete a time-sensitive project.
2026-08-13T00:00:00Z

Accounting Clerk

Pleasanton, CA
onsite
Permanent / Full Time
25.5 - 30.5 USD / Hourly
Join Robert Half's Full-Time Engagement Professionals (FTEP) practice as an Accounting Clerk. Build your experience by supporting diverse client projects across accounts payable, accounts receivable, billing, collections, and general accounting. We're seeking candidates with intermediate Excel skills, strong attention to detail, and a degree in accounting, finance, or a related field. For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. Key Responsibilities<ul><li>Support AP, AR, billing, collections, and daily accounting operations.</li><li>Process invoices, post payments, and maintain vendor and customer accounts.</li><li>Generate invoices, review aging reports, and follow up on past-due balances.</li><li>Reconcile accounts, research discrepancies, and maintain accurate records.</li><li>Perform high-volume data entry with accuracy and efficiency.</li><li>Assist with cash application, payment tracking, and account updates.</li><li>Respond to vendor, customer, and internal inquiries professionally.</li><li>Maintain documentation, support month-end close, and use Excel for reporting and analysis.</li><li>Adapt quickly to new client systems and processes while providing quality support.</li></ul>
2026-08-17T00:00:00Z

Accounting Clerk

Hayward, CA
onsite
Permanent / Full Time
25.5 - 30.5 USD / Hourly
Join our Full-Time Engagement Professionals team as an Accounting Clerk, supporting client projects with accounts payable, accounts receivable, billing, collections, and general accounting. Ideal candidates have intermediate Excel skills, strong data entry accuracy, commute flexibility, and a degree in accounting, finance, or a related field. Great opportunity to learn and grow in your career! For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. Key Responsibilities<ul><li>Support AP, AR, billing, collections, and daily accounting operations.</li><li>Process invoices, post payments, and maintain vendor and customer accounts.</li><li>Generate invoices, review aging reports, and follow up on past-due balances.</li><li>Reconcile accounts, research discrepancies, and maintain accurate records.</li><li>Perform high-volume data entry with accuracy and efficiency.</li><li>Assist with cash application, payment tracking, and account updates.</li><li>Respond to vendor, customer, and internal inquiries professionally.</li><li>Maintain documentation, support month-end close, and use Excel for reporting and analysis.</li><li>Adapt quickly to new client systems and processes while providing quality support.</li></ul>
2026-08-17T00:00:00Z

Accounting Clerk

Livermore, CA
onsite
Permanent / Full Time
24.5 - 28.5 USD / Hourly
Launch your career with Robert Half's Full-Time Engagement Professionals (FTEP) practice as an Accounting Clerk. Gain hands-on experience supporting a variety of client engagements across accounts payable, accounts receivable, billing, collections, and general accounting. Ideal candidates have intermediate Excel skills, strong attention to detail, and a degree in accounting, finance, or a related field. For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. Key Responsibilities<ul><li>Support day-to-day accounting operations across accounts payable, accounts receivable, billing, and collections.</li><li>Process invoices, post payments, and assist with vendor and customer account maintenance.</li><li>Generate and distribute invoices, monitor aging reports, and follow up on outstanding balances.</li><li>Reconcile account activity and research discrepancies to support accurate financial records.</li><li>Perform high-volume data entry with speed and accuracy.</li><li>Assist with cash application, payment tracking, and account updates.</li><li>Respond to vendor, customer, and internal inquiries in a timely and professional manner.</li><li>Maintain organized accounting documentation and support month-end close activities as needed.</li><li>Use Excel to prepare reports, track account activity, and support data review and analysis.</li><li>Adapt quickly to new client systems, workflows, and processes while delivering high-quality support.</li></ul>
2026-08-17T00:00:00Z

Accounting Clerk

San Ramon, CA
onsite
Permanent / Full Time
24.5 - 30.5 USD / Hourly
Launch your career with Robert Half's Full-Time Engagement Professionals (FTEP) practice as an Accounting Clerk. Gain hands-on experience supporting a variety of client engagements across accounts payable, accounts receivable, billing, collections, and general accounting. Ideal candidates have intermediate Excel skills, strong attention to detail, and a degree in accounting, finance, or a related field. For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. Key Responsibilities<ul><li>Support day-to-day accounting operations across accounts payable, accounts receivable, billing, and collections.</li><li>Process invoices, post payments, and assist with vendor and customer account maintenance.</li><li>Generate and distribute invoices, monitor aging reports, and follow up on outstanding balances.</li><li>Reconcile account activity and research discrepancies to support accurate financial records.</li><li>Perform high-volume data entry with speed and accuracy.</li><li>Assist with cash application, payment tracking, and account updates.</li><li>Respond to vendor, customer, and internal inquiries in a timely and professional manner.</li><li>Maintain organized accounting documentation and support month-end close activities as needed.</li><li>Use Excel to prepare reports, track account activity, and support data review and analysis.</li><li>Adapt quickly to new client systems, workflows, and processes while delivering high-quality support.</li></ul>
2026-08-17T00:00:00Z

Claims Assistant

Pleasant Hill, CA
onsite
Temporary / Contract
28 - 29 USD / Hourly
Robert Half client is looking for a detail-oriented Claims Assistant to support Workers’ Compensation administration for a Financial Services organization in Pleasant Hill, California. This Long-term Contract position focuses on keeping claim files organized, coordinating documentation, and helping ensure benefits and related records are handled accurately and on time. The ideal candidate brings strong administrative ability, confidence working with medical and claim information, and a clear communication style when interacting with claimants, providers, and internal stakeholders. Claims Assistant Responsibilities:• Maintain and update medical-only claim records while providing administrative support for indemnity-related claim activities.• Prepare payment requests, process invoices, and assist with authorizations to help keep claim transactions timely and accurate.• Examine medical documentation and other claim materials to confirm completeness, consistency, and compliance with established requirements.• Communicate with injured employees, member districts, healthcare providers, and external contacts to gather information and provide claim-related updates.• Enter claim data, support benefit calculations, and keep electronic and physical files accurate, current, and well organized.• Arrange medical evaluations, coordinate related correspondence, and track documentation received from providers.• Monitor lost-time details and maintain up-to-date records related to claimant work status and leave information.• Assist with return-to-work coordination and provide day-to-day support to Claims Examiners on assigned cases.• Perform general administrative tasks such as preparing correspondence, generating reports, copying materials, and completing special assignments as needed. If you are interested in this Claims Assistant position, please apply today!
2026-08-14T00:00:00Z

Part Time Bookkeeper

Livermore, CA
onsite
Temporary / Contract
30 - 35 USD / Hourly
We are looking for a detail-oriented Bookkeeper to support ongoing accounting operations for a Long-term Contract position based in Livermore, California. This role is ideal for someone who is comfortable managing day-to-day financial activity, maintaining accurate records, and coordinating closely with leadership and external accounting support. The position begins with onsite training and may transition to a hybrid schedule, while certain duties such as check printing must remain on site. This position is onsite 1-2 days per week, about 10 hours per week on average. Responsibilities: • Manage incoming funds by recording deposits accurately and allocating transactions to the appropriate accounts in QuickBooks Online.• Handle payment requests from start to finish, including preparing payables, securing required approval signatures, and distributing payments by mail.• Process scholarship-related check payments with careful attention to documentation and accuracy.• Maintain current and organized accounting records to support reliable accounts receivable and accounts payable activity.• Perform regular bank reconciliations and general ledger balancing to ensure financial data is complete and correct.• Export accounting data from QuickBooks Online into Excel for tracking, review, and reporting support.• Partner with the off-site accountant by preparing information needed for financial statements and related reporting.• Compile monthly fiscal reporting materials for organizational review and submission.
2026-08-13T00:00:00Z