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15 results for Office Administrative Assistant in Manteca, CA

Administrative Assistant
  • Concord, CA
  • onsite
  • Temporary to Hire
  • 32 - 33 USD / Hourly
  • <p>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.</p><p><br></p><p><strong><u>Administrative Assistant Duties:</u></strong></p><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&#39;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><p><br></p><p><strong><u>Ideal Background:</u></strong></p><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><p><br></p><p>If you are interested in the Administrative Assistant position, please submit your resume today!</p>
  • 2026-08-24T00:00:00Z
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.<br><br>Responsibilities:<br>• Coordinate the processing and monitoring of various applications and permits, including documentation related to building and transportation requests.<br>• Organize, update, and maintain department records to ensure documents are accurately stored and easy to retrieve.<br>• Prepare correspondence, forms, and other business documents based on verbal direction and brief written notes.<br>• Compile administrative information and produce routine reports to support departmental activities and tracking needs.<br>• Provide front-desk and general office support, including answering inbound calls and assisting visitors professionally.<br>• Perform data entry tasks with accuracy and timeliness while keeping office information current.<br>• Support day-to-day administrative operations by managing files, routing paperwork, and assisting with office coordination.
  • 2026-08-21T00:00:00Z
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.<br><br>Responsibilities:<br>• Provide day-to-day administrative support for the department, including front-desk assistance, document preparation, filing, and general office coordination.<br>• Enter and maintain operational data with accuracy, including information gathered from driver manifests and other service-related records.<br>• Conduct field observations by riding buses, counting passengers, reviewing route activity, and documenting findings for reporting purposes.<br>• Assist riders by interpreting bus schedules, explaining route options, and offering clear travel directions using printed and online resources.<br>• Prepare, update, and organize spreadsheets, reports, and department records using Microsoft Office applications.<br>• Support required transit reporting activities by compiling and organizing data used for annual performance tracking.<br>• Work effectively both independently and with team members to complete assignments on schedule and with close attention to detail.
  • 2026-08-14T00:00:00Z
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.<br><br>Responsibilities:<br>• Manage day-to-day administrative tasks to help maintain an efficient and organized office environment.<br>• Serve as the first point of contact by greeting visitors and handling incoming phone calls in a courteous manner.<br>• Enter, update, and maintain records with accuracy to support reporting and documentation needs.<br>• Coordinate general front-desk and receptionist activities, including message taking and directing inquiries to the appropriate contacts.<br>• Assist with office correspondence, scheduling, filing, and other routine clerical duties as needed.<br>• Support administrative workflows by preparing documents and ensuring information is properly organized and accessible.
  • 2026-08-07T00:00:00Z
Executive Assistant
  • Fremont, CA
  • onsite
  • Temporary / Contract
  • 31.6635 - 36.663 USD / Hourly
  • We are looking for an organized and proactive Executive Assistant to support leadership in Fremont, California. This is a Contract position suited for someone who is detail oriented and can manage complex schedules, coordinate meetings, and handle travel logistics with accuracy and discretion. The ideal candidate brings strong administrative judgment, anticipates needs, and keeps daily operations running smoothly in a fast-paced environment.<br><br>Responsibilities:<br>• Manage executive calendars by prioritizing appointments, resolving scheduling conflicts, and ensuring leaders are prepared for daily commitments.<br>• Arrange domestic and international travel, including flights, lodging, ground transportation, and itinerary planning.<br>• Coordinate meeting logistics for executive sessions, including scheduling, room reservations, agenda support, and follow-up on action items.<br>• Communicate with internal teams and external contacts to confirm appointments, travel details, and schedule updates.<br>• Prepare and maintain organized records related to travel plans, meeting schedules, and executive activities.<br>• Monitor changes to calendars and travel plans, responding quickly to updates while minimizing disruption to executive priorities.
  • 2026-08-21T00:00:00Z
Office Manager
  • Martinez, CA
  • onsite
  • Temporary / Contract
  • 29 - 30 USD / Hourly
  • <p>We are looking for an experienced bilingual Spanish/English speaking Office Manager to oversee daily operations in Pacheco, California. This Long-term Contract position is ideal for someone who can work independently and serve as a steady resource for office, payroll, and employee support needs. The role requires a practical, organized, detail-oriented individual with construction industry experience who can help keep administrative processes running smoothly while supporting both office staff and field personnel.</p><p><br></p><p>Office Manager Responsibilities:</p><p><br></p><p>* Oversee the office operations and ensure efficient workflow.</p><p>* Support with payroll and billing processes.</p><p>* Coordinate all back-office activities, including communication and data management.</p><p>* Support the onsite crew of approximately 20 workers, including equipment pickup and return after lunchtime.</p><p>* Assist the two onsite managers in handling client interactions and other tasks.</p><p>* Provide support to the occasional workers who work on and off the yard.</p><p><br></p><p>Qualifications:</p><p><br></p><p>* Proven experience as an office manager or in a similar role.</p><p>* Strong organizational and management skills.</p><p>* Excellent communication and interpersonal abilities.</p><p>* Ability to work independently and as part of a team.</p><p>* Reliable and punctual.</p><p><br></p><p>Preferred Skills:</p><p><br></p><p>* Experience in coordinating blue-collar contractor-related activities.</p><p>* Familiarity with payroll and billing processes. Actual use of QuickBooks and payroll software is not required. That’s handled different office</p><p>* Ability to work remotely from a location that is not centrally located within the company.</p><p>* Fluency in Spanish and English is required</p><p><br></p><p>If you are interested in this Office Manager role, please apply today.</p>
  • 2026-08-24T00:00:00Z
Part-Time Office Manager
  • Santa Clara, CA
  • 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.<br><br>Responsibilities:<br>• Direct day-to-day office activities to maintain an efficient, orderly, and welcoming workplace for employees and visitors<br>• Manage administrative calendars, track recurring deadlines, and follow up on items such as insurance renewals and related documentation<br>• Assist with employee onboarding logistics and provide general administrative support for routine HR coordination<br>• Monitor supply levels, place orders as needed, and ensure essential office materials are consistently available<br>• Serve as a point of contact for front office needs, including basic receptionist-style support and coordination with vendors or service providers<br>• Look for operational gaps, recommend practical improvements, and resolve issues before they disrupt office workflow<br>• Support a team of approximately 20 employees by helping maintain a dependable, organized, and well-run office environment
  • 2026-08-25T00:00:00Z
Human Resources (HR) Assistant
  • Hayward, CA
  • onsite
  • Temporary / Contract
  • 25 - 27 USD / Hourly
  • <p>We are looking for a detail-oriented Human Resources Assistant to join a busy team in California on a Contract basis. This role is ideal for someone who enjoys supporting core HR operations, keeping employee information accurate, and creating a smooth experience for new employees. The position offers hands-on involvement in onboarding, compliance documentation, payroll support, and day-to-day administrative coordination within a fast-paced workplace.</p><p><br></p><p>Human Resources Assistant Responsibilities:</p><p>• Coordinate onboarding activities for incoming employees, including orientation scheduling and preparation of required materials.</p><p>• Maintain and update employee information in Paycom and related HR systems with a high level of accuracy.</p><p>• Prepare, review, and file personnel documents to support organized and compliant record management.</p><p>• Provide administrative support for payroll processes by entering employee updates and confirming information is current.</p><p>• Assist with employment eligibility verification, onboarding forms, and other documentation tied to HR compliance requirements.</p><p>• Arrange interviews, meetings, and onboarding appointments to support efficient team operations.</p><p>• Safeguard confidential employee files and handle sensitive information with professionalism and discretion.</p><p>• Support the HR department with general administrative tasks and day-to-day coordination as needed.</p><p><br></p><p>If you are interested in this Human Resources Assistant role, please apply today!</p>
  • 2026-08-24T00:00:00Z
Accounting Clerk
  • Concord, CA
  • onsite
  • Temporary to Hire
  • 23.75 - 27.5 USD / Hourly
  • <p>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.</p><p><br></p><p>Responsibilities:</p><p>• Coordinate daily project billing tasks and help keep invoicing activities accurate, organized, and on schedule.</p><p>• Review, enter, and monitor change order information to ensure project records remain current and complete.</p><p>• Provide support for payroll-related processing by gathering documentation and assisting with related administrative tasks.</p><p>• Maintain billing files, backup records, and supporting financial information with a high degree of accuracy.</p><p>• Perform large-volume data entry work efficiently while checking details carefully to reduce errors.</p><p>• Communicate with project managers, subcontractors, and internal departments to address questions tied to billing or account activity.</p><p>• Investigate discrepancies in billing or payroll information and assist in resolving issues in a timely manner.</p><p><br></p>
  • 2026-08-24T00:00:00Z
Accounting Clerk
  • Walnut Creek, CA
  • onsite
  • Temporary / Contract
  • 24 - 27 USD / Hourly
  • <p>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. </p><p><br></p><p>Responsibilities:</p><p><br></p><p>• Review and process a high volume of vendor invoices each week, ensuring supporting documentation is complete and matched accurately before payment.</p><p>• Verify invoice coding generated through the NetSuite add-on tool and make corrections as needed to maintain accurate financial records across multiple entities.</p><p>• Support accounts receivable activities related to resident move-ins and move-outs, including updating account details and recording charges correctly.</p><p>• Set up and manage direct debit payment arrangements for residents while confirming information is entered accurately.</p><p>• Respond to resident account inquiries and provide clear, courteous assistance regarding balances, payments, and billing matters.</p><p>• Perform detailed data entry and maintain organized accounting records to support daily financial operations.</p><p>• Coordinate with internal team members to help resolve discrepancies in payable and receivable transactions in a timely manner.</p><p>• Use NetSuite for transaction processing and routine account maintenance while handling minimal Excel-related tasks as needed.</p>
  • 2026-08-16T00:00:00Z
Accounting Clerk
  • Walnut Creek, CA
  • onsite
  • Temporary / Contract
  • 25 - 30 USD / Hourly
  • <p>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.</p><p><br></p><p><strong>Responsibilities:</strong></p><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><p><br></p><p>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.</p>
  • 2026-08-13T00:00:00Z
Accounting Clerk
  • Pleasanton, CA
  • onsite
  • Permanent / Full Time
  • 25.5 - 30.5 USD / Hourly
  • <p>Join Robert Half&#39;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&#39;re seeking candidates with intermediate Excel skills, strong attention to detail, and a degree in accounting, finance, or a related field.</p><p><br></p><p>For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. </p><p><br></p><p><strong>Key Responsibilities</strong></p><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
  • <p>Launch your career with Robert Half&#39;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.</p><p><br></p><p><strong>For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. </strong></p><p><br></p><p><strong>Key Responsibilities</strong></p><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
  • Hayward, CA
  • onsite
  • Permanent / Full Time
  • 25.5 - 30.5 USD / Hourly
  • <p>Join our <strong>Full-Time Engagement Professionals</strong> team as an <strong>Accounting Clerk</strong>, 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!</p><p><br></p><p>For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. </p><p><br></p><p>Key Responsibilities</p><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
  • San Ramon, CA
  • onsite
  • Permanent / Full Time
  • 24.5 - 30.5 USD / Hourly
  • <p>Launch your career with Robert Half&#39;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.</p><p><strong> </strong></p><p><strong>For more information, please contact Tawnia Kirshen via LinkedIn and send your resume to my email found there. </strong></p><p><br></p><p><strong>Key Responsibilities</strong></p><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