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19 results for Office Assistant in Manteca, CA

Office Assistant

Antioch, California
onsite
Temporary / Contract
18 - 20 USD / Hourly
Robert Half client is looking for a dependable Office Assistant to join a busy trucking and transportation team in East Contra Costa County, California. This Contract position is ideal for someone who thrives in an administrative setting, enjoys keeping records organized, and communicates confidently with both internal staff and drivers. The role offers a varied workload and calls for strong attention to detail, sound judgment, and a steady approach to day-to-day office support. Office Assistant Requirements:• Manage incoming driver documents by reviewing, sorting, and maintaining well-organized physical and digital files.• Enter information into company databases and spreadsheets with a high level of accuracy and consistency.• Keep Excel trackers and office records current so the team has reliable operational information.• Provide day-to-day clerical assistance, including document scanning, filing, and other administrative support tasks.• Respond to inbound calls and direct questions or requests to the appropriate team members in a clear and attentive manner.• Assist office staff with recurring assignments and provide support on additional projects as business needs change. If you are interested in the Office Assistant role, please apply today!
2026-09-25T00:00:00Z

Office Manager

Tracy, California
onsite
Temporary / Contract
27.7115 - 32.087 USD / Hourly
We are looking for an experienced Office Manager to support a busy CPA firm in Tracy, California. This Long-term Contract opportunity is ideal for a highly organized, detail-oriented individual who can keep daily operations running efficiently while providing dependable administrative support to both staff and leadership. The role requires sound judgment, strong attention to detail, and the ability to handle sensitive financial and client information with a high level of discretion. Responsibilities: • Direct daily office activities to ensure an efficient, well-organized work environment. • Support leadership and team members with a wide range of administrative and operational tasks. • Safeguard client and company records by maintaining confidentiality and accurate document handling practices. • Coordinate calendars, internal workflows, and office documentation to keep priorities on track. • Assist with administrative work tied to tax and accounting processes, ensuring timely and accurate follow-up. • Maintain structured filing systems and organized records for easy access and compliance needs. • Communicate effectively with clients, vendors, and internal staff to support smooth office operations. • Monitor office supply levels, place orders as needed, and help manage general office resources. • Provide front-desk and additional administrative assistance as business needs evolve.
2026-09-01T00:00:00Z

Administrative Assistant

Fremont, California
onsite
Temporary / Contract
22 - 25 USD / Hourly
Robert Half is seeking a receptionist with a strong sense of ownership and attention to detail. In this Receptionist role you will be responsible for answering phones, acting as the company liaison, and interacting professionally with customers. This is a great opportunity for those looking for a dynamic team environment, offering a great work space/office, excellent benefits and great career advancement and opportunity. This is a temporary-to-fulltime position located in Fremont, California. Receptionist Duties:<ul><li>Greet and welcome guests as they arrive at the office</li><li>Ensure reception area is well-kept and clean</li><li>Answer multi line phone lines and greet guests</li><li>Prepare badges for guests and visitors</li><li>Maintain a log of all visitors</li><li>Upkeep calendar and schedule any upcoming events </li></ul>
2026-09-16T00:00:00Z

Administrative Assistant

San Andreas, California
onsite
Temporary / Contract
17.4135 - 20.163 USD / Hourly
We are looking for an Administrative Assistant to support a busy insurance office in California. This Long-term Contract position is fully onsite and focuses on delivering responsive service to clients while keeping daily office operations organized and efficient. The role is well suited for someone with insurance experience who can balance customer interaction, documentation, and administrative coordination with accuracy and care. Responsibilities: • Greet clients in person and manage incoming phone calls, providing helpful and detail-oriented support for routine questions and service needs. • Handle day-to-day policy servicing tasks for existing customers, ensuring requests are addressed promptly and accurately. • Receive insurance payments, issue appropriate documentation, and maintain accurate transaction records. • Track outstanding items such as forms, signatures, premium payments, and underwriting requests to help keep policies moving forward. • Provide administrative support to licensed insurance staff by organizing paperwork, updating records, and assisting with daily office activities. • Process permitted insurance-related transactions in accordance with an active California insurance license and established office guidelines. • Perform data entry and general clerical work to maintain complete, current, and well-organized client files.
2026-09-18T00:00:00Z

Part-Time Office Assistant

San Ramon, California
onsite
Temporary / Contract
24 - 28 USD / Hourly
Our client is seeking a reliable and detail-oriented Part-Time Administrative Assistant to support daily office operations and help keep the team organized and efficient. This is an ongoing opportunity ideal for a professional who thrives in a fast-paced environment and enjoys providing high-level administrative support.Key Responsibilities:<ul><li>Manage calendars, schedule meetings, and coordinate appointments</li><li>Answer and direct phone calls and emails professionally</li><li>Prepare correspondence, reports, and other documents</li><li>Maintain filing systems and accurate records</li><li>Order office supplies and support general office operations</li><li>Assist with data entry, expense reports, and invoice processing</li><li>Support internal teams with administrative projects and workflow coordination</li><li>Greet visitors and provide front-office support as needed</li></ul>
2026-09-25T00:00:00Z

Legal Assistant

San Jose, California
onsite
Temporary / Contract
25 - 25 USD / Hourly
National immigration law firm has an immediate opening for an entry level Legal Assistant! This Legal Assistant will perform challenging, substantive legal work with a focus on preparing immigration applications. The firm provides comprehensive training and support to ensure your success, including ongoing workshops, legal practice meetings, and a client service team structure that facilitates mentoring from senior professionals. This is a great opportunity for individuals looking to build a rewarding career in immigration law and the legal field. This Legal Assistant must be able to work on-site full-time in San Jose, CA. The ideal candidate will be a recent college graduate or have 1-2+ years of experience working in the legal field. Responsibilities: <ul><li>Organize and maintain legal documents detailing eligibility for visa classification.</li><li>Handle clerical tasks such as copying, printing, and scanning documents.</li><li>Create electronic and physical client files for efficient case management.</li><li>Track and monitor the status of immigration cases, ensuring timely updates.</li><li>Circulate incoming mail according to specified procedures.</li><li>Learn to analyze case documents and prepare immigration applications for filing.</li><li>Draft specialized support letters detailing eligibility for visa classification and other immigration benefits.</li><li>Interface with corporate representatives and foreign nationals.</li><li>Participate in legal practice meetings and alerts for updates on current events, advanced topics, and client relationship building skills.</li><li>Projects as assigned.</li></ul>
2026-09-28T00:00:00Z

Part-Time Office Manager

Santa Clara, California
onsite
Temporary to Hire
27.7115 - 32.087 USD / Hourly
We are looking for a dependable Part-Time Office Manager to help keep daily operations running smoothly in our office. This contract-to-permanent opportunity is well suited for someone who enjoys balancing administrative priorities, staying ahead of deadlines, and creating an organized, efficient workplace. The ideal candidate brings a hands-on approach, sound judgment, and the ability to work independently while supporting a collaborative team environment. Responsibilities: • Direct day-to-day office activities to maintain an efficient, orderly, and welcoming workplace for employees and visitors • Manage administrative calendars, track recurring deadlines, and follow up on items such as insurance renewals and related documentation • Assist with employee onboarding logistics and provide general administrative support for routine HR coordination • Monitor supply levels, place orders as needed, and ensure essential office materials are consistently available • Serve as a point of contact for front office needs, including basic receptionist-style support and coordination with vendors or service providers • Look for operational gaps, recommend practical improvements, and resolve issues before they disrupt office workflow • Support a team of approximately 20 employees by helping maintain a dependable, organized, and well-run office environment
2026-09-28T00:00:00Z

Human Resources (HR) Assistant

Fremont, California
onsite
Temporary / Contract
26.6 - 30.8 USD / Hourly
We are looking for a Compensation and Benefits Administrator to join an established client in the South Bay. This is a direct permanent offering an excellent opportunity to support key HR functions and enhance your skills. The role involves working closely with the HR Management team and being point of contact for Compensation and Benefits Administration. Responsibilities: • Coordinate and manage Employee Compensation and Benefits • Assist in maintaining and updating Human Resources Information Systems (HRIS) to reflect current employee data. • Provide administrative support for various HR functions, including record-keeping and policy updates. • Collaborate with team members - HRIS system recording all Compensation and Benefit changes • Ensure adherence to company policies and employment regulations in all HR practices. • Prepare reports and summaries related to HR activities for management review. • Support the implementation of new HR initiatives to improve operational efficiency
2026-09-02T00:00:00Z

Accounting Clerk

Concord, California
onsite
Temporary / Contract
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>
2026-09-18T00:00:00Z

Accounting Clerk

Walnut Creek, California
onsite
Temporary / Contract
19 - 22 USD / Hourly
We are looking for an Accounting Clerk to support day-to-day administrative and accounting operations. This Long-term Contract position is ideal for someone who enjoys accurate record handling, document organization, and providing dependable office support in a structured environment. The role centers on clerical accounting tasks while also assisting with front desk coverage as needed. Responsibilities:• Organize, file, and maintain accounting records so documents are easy to retrieve and properly archived.• Scan paid vendor invoices and upload them accurately into the company’s recordkeeping system.• Enter financial and administrative data with a high level of accuracy and attention to detail.• Support accounts payable activities by helping process invoice documentation and related records.• Assist with accounts receivable administrative tasks, including updating files and verifying entries.• Provide backup reception support by greeting visitors, answering phones, and directing inquiries appropriately.• Help maintain an orderly front office by managing routine clerical tasks and general administrative needs.
2026-09-18T00:00:00Z

Accounting Clerk

Pleasanton, California
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>
2026-09-16T00:00:00Z

Accounting Clerk

Union City, California
onsite
Temporary / Contract
20 - 22.5 USD / Hourly
We are looking for an Accounting Clerk to support day-to-day financial and administrative operations for a team in California. This contract position is ideal for someone who is organized, detail-focused, and comfortable handling both accounting tasks and general office support in an onsite environment. The role will contribute to accurate recordkeeping, timely invoice processing, and clear communication with internal teams and external contacts. Responsibilities: • Process customer and vendor billing records, ensuring invoices are entered accurately and routed in a timely manner. • Maintain accounts receivable documentation, track outstanding items, and assist with follow-up activities as needed. • Enter financial and clerical data into internal systems with a high level of accuracy and attention to detail. • Use Microsoft Excel and Word to prepare reports, update templates, and organize supporting documentation. • Scan, file, and code paperwork and accounting records so they are easy to retrieve and audit. • Provide front office and receptionist-style support, including handling inquiries and directing communications clearly. • Assist with onboarding and training-related administrative tasks, including preparing documents and supporting hiring process paperwork. • Work within SAP R/3 and related systems to update transaction details and maintain accurate accounting records.
2026-09-25T00:00:00Z

Accounting Clerk

Martinez, California
onsite
Temporary / Contract
23.5 - 27.5 USD / Hourly
Our client is seeking a detail-oriented Accounting Clerk for a contract-to-hire opportunity. This role is ideal for a professional with strong organizational skills, a solid understanding of accounting processes, and the ability to handle a high volume of transactions accurately and efficiently. Key Responsibilities:<ul><li>Process accounts payable and accounts receivable transactions</li><li>Reconcile bank statements and financial records</li><li>Assist with invoice processing, payment posting, and data entry</li><li>Maintain accurate and organized accounting files and documentation</li><li>Support month-end closing activities</li><li>Respond to internal and external inquiries regarding financial transactions</li><li>Help ensure accuracy and compliance with established accounting procedures</li></ul>
2026-09-18T00:00:00Z

Accounting Clerk

Walnut Creek, California
onsite
Permanent / Full Time
0 - 0 USD / Hourly
Join Robert Half’s Full-Time Engagement Professionals (FTEP) practice as an Accounting Clerk and gain hands-on experience supporting a variety of client projects. You’ll contribute across key accounting functions, including accounts payable, accounts receivable, billing, collections, and general accounting. We’re looking for detail-oriented candidates with intermediate Excel skills and a strong foundation in accounting or finance. A degree in Accounting, Finance, or a related field is preferred. 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>
2026-09-18T00:00:00Z

Accounting Clerk

Livermore, California
onsite
Temporary to Hire
24 - 27 USD / Hourly
We are looking for an Accounting Clerk to support day-to-day financial operations for our team. This contract position with permanent potential is ideal for someone who enjoys working with numbers, maintains strong accuracy, and can manage both payables and receivables in a fast-paced environment. The role will focus on processing transactions, maintaining organized financial records, and helping ensure timely and accurate accounting activities. Responsibilities:• Process vendor invoices, verify supporting details, and prepare payments in accordance with established timelines.• Record incoming customer payments, update account balances, and follow up on outstanding receivables as needed.• Enter financial data into accounting systems with a high level of accuracy and attention to detail.• Maintain organized documentation for invoices, payment records, and other accounting transactions.• Reconcile account information and identify discrepancies so issues can be resolved promptly.• Use QuickBooks to support routine bookkeeping tasks and keep financial records current.• Assist with invoice processing workflows and help ensure transactions are completed correctly.• Provide general clerical support to the accounting function, including filing, reporting, and record maintenance.
2026-09-25T00:00:00Z

Accounting Clerk

Livermore, California
onsite
Permanent / Full Time
24.5 - 28.5 USD / Hourly
Start your accounting career with Robert Half’s Full-Time Engagement Professionals (FTEP) program. As an Accounting Clerk, you'll support a variety of client engagements across accounts payable, accounts receivable, billing, collections, and general accounting. This full-time opportunity offers valuable experience, professional growth, and exposure to leading organizations. Candidates should 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>
2026-09-16T00:00:00Z

Accounting Clerk

San Ramon, California
onsite
Permanent / Full Time
24.5 - 30.5 USD / Hourly
Start your accounting career with Robert Half’s Full-Time Engagement Professionals (FTEP) program. As an Accounting Clerk, you'll support a variety of client engagements across accounts payable, accounts receivable, billing, collections, and general accounting. This full-time opportunity offers valuable experience, professional growth, and exposure to leading organizations. Candidates should 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>
2026-09-16T00:00:00Z

Immigration Legal Assistant

San Jose, California
onsite
Temporary / Contract
25 - 35 USD / Hourly
International law firm is seeking an experienced immigration Legal Assistant or Paralegal (DOE) to support high-volume employment-based immigration matters, with a primary focus on independently preparing I-140 petitions and assisting with H-1B filings. This role requires a detail-oriented and highly organized Legal Assistant or Paralegal who can manage a substantial case inventory, meet strict deadlines, and work effectively with minimal supervision. Key Responsibilities: <ul><li>Independently prepare high-volume I-140 petitions from intake through filing.</li><li>Review supporting documentation for completeness, accuracy, and consistency.</li><li>Conduct case assessments and identify eligibility, documentary, or procedural issues.</li><li>Assemble petitions and filing packages, including forms, exhibits, and supporting evidence.</li><li>Perform quality control reviews to ensure accuracy and compliance before submission.</li><li>Manage filing procedures, including final assembly, shipment, and case tracking.</li><li>Prepare H-1B forms and supporting documentation.</li><li>Coordinate Labor Condition Applications (LCAs) and monitor related timelines.</li><li>Review position details, worksite information, and client-provided data for accuracy.</li><li>Identify missing, incomplete, or inconsistent information and follow up as needed.</li><li>Maintain organized case records and manage matters through submission.</li><li>Prioritize a high-volume caseload while meeting established and compressed deadlines.</li></ul>
2026-09-28T00:00:00Z

Mail & Print Services Assistant - Level 1

Pleasanton, California
onsite
Temporary / Contract
20 - 22.56 USD / Hourly
We are looking for a dependable Mail & Print Services Assistant - Level 1 to support daily onsite mailroom and print operations. This is a contract position covering a short-term leave assignment for approximately 4–5 weeks, with the possibility of extension. The person in this role will help keep deliveries, package distribution, and internal mail services organized while providing responsive service to building staff and visitors. Responsibilities: • Manage incoming and outgoing mail, parcels, and courier shipments to maintain smooth daily mailroom operations. • Accept deliveries from carriers and other courier providers, then sort items accurately for distribution. • Deliver packages, mail, and related materials to designated departments or nearby buildings in a timely manner. • Assist with print and office support tasks as needed to ensure uninterrupted workplace services. • Communicate with employees and visitors clearly and courteously when handling shipping, pickup, and delivery questions. • Use basic computer applications, including Outlook, Teams, and Excel, to track activity and support routine administrative tasks. • Maintain an orderly mailroom environment and follow established procedures for receiving, handling, and distributing items. • Support coverage needs during the contract assignment and adapt to changing daily mail and print service demands.
2026-09-08T00:00:00Z