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18 results for Office Administrative Assistant in Manteca, CA

Administrative Assistant

Modesto, CA
onsite
Temporary to Hire
20.9 - 24.2 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to support construction contract operations in Modesto, California. This contract-to-permanent opportunity is ideal for someone who can manage documentation, coordinate billing activities, and keep project records organized in a fast-paced contractor environment. The role will work closely with project and subcontractor documentation while helping maintain efficient day-to-day office support. Responsibilities: • Draft and distribute clear written communications, ensuring accuracy and a well-presented format in all correspondence. • Examine agency and project agreements for compliance and assemble the documentation needed to support contract administration activities. • Create and manage subcontract packages, master service agreements, work orders, and purchase orders for active construction projects. • Process change-related documentation, lien releases, preliminary notices, and other subcontractor records in accordance with project requirements. • Coordinate monthly invoicing and subcontractor payment processing to meet established accounting and month-end timelines. • Track subcontractor bonds, insurance certificates, and business licenses, maintaining complete and current compliance files. • Prepare project startup documentation along with recurring and closeout reports required for public sector work, including federal and state projects. • Provide general administrative support by handling mail and shipments, maintaining office supplies, and assisting with additional construction administration tasks as needed.
2026-05-30T00:00:00Z

Administrative Assistant

Union City, CA
onsite
Temporary / Contract
27 - 30 USD / Hourly
<ul><li>Provide general administrative support to the department</li><li>Process and submit invoices</li><li>Set up purchase orders and support finance-related administrative tasks</li><li>Manage vendor setup and communicate with vendors as needed</li><li>Receive checks and assist with related documentation and tracking</li><li>Assist with planning activities, coordination, and logistics</li><li>Support permit processing and maintain related documentation</li><li>Help with records, correspondence, and other departmental administrative needs</li></ul>
2026-05-28T00:00:00Z

Administrative Assistant

Patterson, CA
onsite
Temporary / Contract
19.95 - 23.1 USD / Hourly
We are looking for an Administrative Assistant to support building division operations for a non-profit organization in Patterson, California. This Long-term Contract opportunity is ideal for someone who enjoys balancing front-desk service, detailed document review, and administrative coordination in a fast-paced environment. The role will help keep permit-related activities organized, provide responsive support to the public and internal teams, and maintain accurate records across multiple administrative processes. Responsibilities: • Welcome visitors, respond to incoming phone inquiries, and guide customers to the appropriate resources or personnel. • Examine permit submissions for accuracy and completeness, confirming supporting items such as contractor licensing, bonds, workers’ compensation, and insurance documentation. • Prepare and issue eligible over-the-counter permits while ensuring records are properly documented. • Receive residential and commercial permit applications and development plans, log materials, and route documents for plan review. • Enter and update plan review details from various departments within the tracking system and produce reports as needed. • Maintain organized permit files by scanning, copying, filing, retrieving, and preserving documents for ongoing and completed cases. • Record daily inspection results and approvals in the automated system, then finalize and close permits once all requirements have been met. • Build cooperative working relationships with community groups, public agencies, internal staff, city representatives, and members of the public. • Provide additional administrative and clerical support to the building division as assigned.
2026-05-30T00:00:00Z

Administrative Assistant

San Ramon, CA
onsite
Temporary to Hire
19.7885 - 22.913 USD / Hourly
We are looking for two organized Administrative Assistants to support daily office operations in the Santa Maria and San Luis Obispo, California offices. This contract-to-permanent opportunity is ideal for someone who enjoys keeping workflows on track, assisting visitors and callers, and maintaining accurate administrative records. The person in this role will contribute to a detail-oriented front-office environment while handling a variety of clerical and coordination tasks with care and efficiency. Responsibilities:• Manage front-desk and office support activities to help maintain an efficient and welcoming workplace.• Respond to incoming calls, direct inquiries appropriately, and relay messages in a timely manner.• Enter, update, and maintain records with a high level of accuracy and attention to detail.• Assist with general clerical duties such as filing, document preparation, scanning, and correspondence support.• Welcome guests and provide receptionist coverage while ensuring a detail-oriented first point of contact.• Coordinate administrative tasks across the office to support day-to-day operations and team needs.
2026-05-29T00:00:00Z

Office Assistant

Hayward, CA
onsite
Temporary to Hire
24 - 25 USD / Hourly
We are seeking a bilingual Spanish contract to hire Office Assistant to support daily office operations in a fast-paced environment for our client in Hayward. This role requires strong data entry skills, proficiency in Microsoft Office Suite, and the ability to manage documents, schedules, and communications with accuracy and professionalism. The ideal candidate is organized, tech-savvy, and comfortable using AI tools. Office Assistant Key Responsibilities:• Perform accurate data entry, record updates, and database maintenance• Use Microsoft Office Suite, including Excel, to prepare spreadsheets, reports, and other administrative documents• Manage phone calls, emails, and correspondence in both English and Spanish• Coordinate calendars, meetings, appointments, and travel arrangements• Organize and maintain physical and electronic filing systems, records, and documents• Prepare, proofread, and edit reports, memos, invoices, contracts, and other office materials• Provide back-office administrative support, including processing forms, payroll-related data entry, and handling confidential information• Assist with meeting and event coordination, including agendas, notes, logistics, and follow-up communication• Support clients, visitors, and internal staff with professional customer service and timely follow-up• Use office software, digital platforms, and AI tools to help streamline workflows and improve team efficiency• Assist with special projects and provide additional administrative support as needed Preferred Qualifications:• Experience in administrative support, office coordination, or a related role• Strong data entry accuracy and attention to detail• Proficiency in Microsoft Office Suite, especially Excel, Word, Outlook, and PowerPoint• Bilingual fluency in English and Spanish• Familiarity with AI tools and technology used for office productivity• Strong organizational, communication, and multitasking skills If you are interested in this Office Assistant role, please apply today!
2026-05-29T00:00:00Z

Executive Assistant

Antioch, CA
onsite
Temporary / Contract
38 - 44 USD / Hourly
We are looking for an experienced Executive Assistant to provide high-level support to a senior operational leader within a growing healthcare organization. This contract position is ideal for someone who brings sound judgment, strong follow-through, and the ability to manage shifting priorities in a fast-paced, multi-specialty clinical environment. The role requires a proactive and detail-oriented individual who can keep executives and department leaders organized, prepare high-quality materials, and help maintain momentum across projects and meetings. Responsibilities:• Manage a complex executive calendar, prioritize competing requests, and coordinate scheduling with internal leaders across multiple locations.• Support weekly leadership meetings by organizing agendas, preparing materials, tracking action items, and following up to keep projects moving forward.• Arrange business travel and related logistics, ensuring plans are accurate, efficient, and aligned with changing priorities.• Create and format clear, accurate documents, presentations, spreadsheets, and reports for executive and departmental use.• Monitor ongoing assignments and deadlines, helping leadership stay informed, prepared, and focused on the most urgent matters.• Provide administrative support to managers and department heads, including meeting coordination, time management assistance, and general operational follow-through.• Use tools such as Outlook, Teams, Asana, Excel, Word, PowerPoint, and Copilot to organize information, track progress, and communicate updates effectively.• Assist with vendor coordination and administrative tasks related to facilities or real estate matters as needed.• Serve as a dependable point of support by anticipating needs, asking thoughtful questions, and helping leadership make well-informed decisions.• Contribute to operational continuity in an evolving environment, including administrative support connected to platform or process changes when required. If you are interested in the role apply now and call us at (510)470-7450
2026-05-19T00:00:00Z

Executive Assistant

Walnut Creek, CA
onsite
Temporary to Hire
35 - 40 USD / Hourly
We are looking for an experienced and resourceful Executive Assistant to provide senior-level support in Walnut Creek, California. This fully on-site opportunity is a Contract to permanent position with a nonprofit organization that values professionalism, sound judgment, and strong follow-through. The right candidate will bring a high level of organization, technical confidence, and the ability to stay ahead of shifting priorities in a fast-moving environment. Responsibilities:• Oversee a demanding executive calendar by arranging appointments, coordinating meeting schedules, and adjusting priorities as business needs change.• Organize donor-facing meetings from start to finish, including preparing materials, managing logistics, and handling timely follow-up communication.• Create and edit business documents, reports, presentations, and correspondence using Microsoft Office tools with accuracy and professionalism.• Support in-person meetings and office events by arranging meals, confirming details, and ensuring spaces are prepared in advance.• Anticipate executive needs by identifying potential conflicts, solving administrative issues early, and keeping daily operations running smoothly.• Manage a mix of business and personal support tasks with a high degree of discretion, confidentiality, and attention to detail.• Serve as a dependable point of coordination for communications, inquiries, and requests requiring executive awareness or action.• Take on additional administrative duties as needed while maintaining a positive, flexible, and service-oriented approach. If you are interested in this Executive Assistant role, please submit your resume today!
2026-05-29T00:00:00Z

Admin Assistant

San Jose, CA
onsite
Temporary / Contract
22 - 24 USD / Hourly
Description<ul><li>Support all purchase requests/orders and manage recurring contracts</li><li>Set up meetings, submit expense reports and manage office expenses</li><li>Onboard new team members, order office supplies and equipment, track inventory, and handle space planning </li><li>Plan, coordinate and communicate employee events</li><li>Apply your creativity to special projects</li><li>1 or more years of experience handling phone calls and high-volume emails</li><li>Excellent communication skills (written and verbal)</li><li>Microsoft Excel experience</li><li>Highly organized</li><li>Great understanding of basic office equipment and protocols</li><li>Must be presentable and polished at all times</li><li>Handle stressful or difficult situations in a calm and composed manner</li><li>Strong familiarity with system administration</li><li>Microsoft Office suite software experience</li></ul> Key Qualifications<ul><li>High energy. We're a fun group. We work with fun people!</li><li>Detail-oriented. You are organized know that details matter.</li><li>Articulate. You are great at communicating, both spoken and written.</li><li>Speedy. You work well under pressure, anticipate changes, and react.</li><li>Personal. You “get” people and know how to adapt your style to get what you need.</li><li>Independent. Once settled in a role, you don't need to be told what to do — you know!</li><li>Creative. You are resourceful. You find ways around problems. You like to learn.</li></ul>
2026-05-12T00:00:00Z

Sr. Administrative Assistant

Fremont, CA
onsite
Temporary / Contract
36.1 - 41.8 USD / Hourly
We are looking for an experienced Sr. Administrative Assistant to provide high-level operational and scheduling support for a busy team in Fremont, California. This Long-term Contract position is ideal for someone who excels at managing priorities, coordinating logistics, and keeping administrative processes running smoothly. The successful candidate will bring strong organizational judgment, clear communication skills, and the ability to handle multiple tasks with accuracy and consistency. Responsibilities: • Coordinate complex calendars, schedule meetings, and align appointments across multiple stakeholders while resolving conflicts efficiently. • Provide day-to-day administrative support by preparing materials, organizing documents, and maintaining accurate records for team activities. • Arrange domestic and international travel, including itineraries, transportation, lodging, and related logistics based on business needs. • Support the preparation, review, and organization of export and import documentation to help ensure timely and compliant shipment processing. • Set up and manage conference calls, virtual meetings, and related meeting logistics to ensure smooth communication and participation. • Track action items, follow up on deadlines, and help maintain workflow continuity for leadership and cross-functional partners. • Assist with correspondence, reports, and presentation materials while ensuring a consistent and detail-focused standard. • Handle shifting priorities with discretion and sound judgment in a fast-paced administrative environment.
2026-05-28T00:00:00Z

Sr. Legal Administrative Assistant

San Jose, CA
onsite
Permanent / Full Time
70000 - 95000 USD / Yearly
An established IP Law Firm is looking for a Legal Administrative Assistant for their San Jose branch. The ideal candidate will manage and coordinate work tasks throughout the department and serve as the first point of contact for clients and staff. Applicants should have the ability to work in-office, 5 days per week • Prepare memos, reports, presentations, and other documents; responsible for drafting and editing correspondence • Schedule appointments, meetings, events, and manage calendars; coordinate meeting logistics and catering • Answer phones, take and relay messages • Coordinate and schedule travel • Prepare and submit expense reports and reconcile credit card transactions • Assist with submitting conflict checks and opening new matters • Enter time charges • Assist with onboarding tasks for new hires • Maintain files (both physical and electronic) and ensure that client related documents and correspondence are saved in the firm's document management repository • Actively contribute to team meetings and other team related activities • Assist with various ad-hoc tasks such as: manage inbound and outbound mail, order office supplies, liaise with building management for facility related issues • Perform other related duties and projects as assigned
2026-05-05T00:00:00Z

Legal Assistant/ Legal Secretary

San Jose, CA
onsite
Permanent / Full Time
90000 - 130000 USD / Yearly
We are looking for an experienced Legal Assistant/Legal Secretary to support a busy civil litigation practice in California. This permanent, office-based opportunity is ideal for a detail-oriented candidate who is comfortable managing litigation support tasks, coordinating deadlines, and handling court-related documentation with accuracy. The role offers the chance to work alongside a collaborative legal team in a fast-paced law firm environment. Responsibilities: • Coordinate litigation calendars by tracking court deadlines, hearings, filings, and case milestones to help attorneys stay on schedule. • Prepare, format, revise, and proofread legal correspondence, pleadings, discovery materials, and other case documents for accuracy and consistency. • Manage electronic filing submissions in state and federal courts while ensuring compliance with procedural and formatting requirements. • Maintain organized physical and digital case files, including document storage, retrieval, and version control within document management systems. • Assist with discovery-related workflows by organizing records, compiling materials, and supporting e-discovery processes as needed. • Communicate with attorneys, court personnel, clients, and outside parties in a thorough and courteous manner to facilitate case progress and administrative follow-up. • Support day-to-day legal administrative functions, including scheduling, document coordination, and general litigation assistance for the assigned team.
2026-05-04T00:00:00Z

Legal Assistant

San Jose, CA
onsite
Permanent / Full Time
85000 - 125000 USD / Yearly
We are looking for a skilled Legal Assistant to join our dynamic team in San Jose, California. This role requires a detail-oriented individual with a strong background in family law and litigation procedures, who can handle a variety of administrative and legal tasks efficiently. The ideal candidate will bring exceptional organizational abilities, attention to detail, and proficiency in legal software and document management systems. Responsibilities: • Manage and coordinate the scheduling of court dates, deadlines, and client meetings to ensure smooth case progress. • Prepare and format legal documents, including pleadings, motions, and correspondence, adhering to proper grammar and punctuation standards. • Conduct e-filing and handle submissions for court filings in compliance with local and state regulations. • Assist attorneys with case preparation, including organizing discovery materials and managing e-discovery processes. • Maintain and update case files, ensuring all documents are accurately filed and easily accessible. • Communicate effectively with clients, attorneys, and court personnel to provide updates and address inquiries. • Support the team by monitoring deadlines and ensuring timely completion of tasks. • Utilize document management systems and legal software to streamline workflows and improve efficiency. • Collaborate with team members to ensure all administrative tasks are handled effectively. • Perform general administrative duties, such as managing correspondence and handling incoming calls.
2026-05-14T00:00:00Z

Human Resources (HR) Assistant

Fremont, CA
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
2026-05-04T00:00:00Z

Accounting Clerk

Concord, CA
onsite
Permanent / Full Time
70000 - 85000 USD / Yearly
We are looking for an Accounting Specialist to support day-to-day financial operations for a construction-focused business. This role is ideal for someone who is comfortable managing billing activities, payroll-related documentation, and high-volume accounting records with accuracy. The position requires someone who can keep receivables, payables, and project-related financial information organized and current. Responsibilities:• Prepare and manage progress billings for construction projects, ensuring contract terms and billing schedules are followed accurately.• Process certified payroll records and maintain supporting documentation in compliance with project and regulatory requirements.• Handle accounts payable tasks, including reviewing invoices, entering payment details, and maintaining organized vendor records.• Support accounts receivable activities by tracking customer balances, applying payments, and following up on outstanding invoices.• Enter financial and project-related data into QuickBooks and other internal records with a high level of accuracy.• Review invoice details for completeness and alignment with job costs, approvals, and billing requirements.• Assist with construction accounting activities by maintaining organized financial records tied to projects, vendors, and payroll reporting.
2026-05-22T00:00:00Z

Accounting Clerk

Modesto, CA
onsite
Temporary / Contract
23 - 26 USD / Hourly
We are looking for an Accounting Clerk to join our team in Modesto, California on a Contract basis. This role is ideal for someone who is comfortable handling day-to-day accounting activity, keeping financial data accurate, and working closely with both vendors and internal partners. The position supports core accounting operations across payables, receivables, record maintenance, and month-end activities in a fast-paced office environment. Responsibilities:• Process daily accounting transactions across accounts payable and accounts receivable with a strong focus on accuracy and timeliness.• Review invoices, apply payments, follow up on outstanding balances, and help maintain consistent collection activity.• Assist with month-end close tasks by preparing supporting documentation and ensuring financial records are up to date.• Serve as a point of contact for vendors and internal departments to address payment questions and accounting-related issues.• Organize and maintain financial files, records, and supporting documents in accordance with company standards.• Update customer and vendor account information to keep records current, complete, and reliable.• Investigate billing or payment discrepancies, identify root causes, and help resolve exceptions and necessary adjustments.• Track vendor payment timelines and support strong business relationships through timely and attentive communication.• Partner with department leaders to respond to financial needs and contribute ideas that improve accounting workflows and best practices. For immediate consideration contact Robert Half at 209-232-1991.
2026-05-28T00:00:00Z

Accounting Clerk

Livermore, CA
onsite
Permanent / Full Time
24.5 - 28.5 USD / Hourly
Our team is seeking an Accounting Clerk to join our Full-Time Engagement Professionals practice. In this role, you will support client projects across accounts payable, accounts receivable, billing, collections, and general accounting. The ideal candidate has intermediate Excel skills, strong data entry accuracy, and a degree in accounting, finance, or a related field, while helping clients maintain accurate records and support critical project and interim needs. 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>
2026-05-21T00:00:00Z

Accounting Clerk

Concord, CA
onsite
Temporary to Hire
25 - 30 USD / Hourly
We are looking for an Accounting Clerk to join a construction-focused organization. This contract to permanent position and is ideal for someone who enjoys working with financial records, payroll support, and detail-driven administrative tasks in a fast-paced environment. The person in this role will contribute to day-to-day accounting operations while helping maintain accurate documentation and regulatory compliance across payroll and payables activities. Responsibilities: • Handle the full cycle of accounts payable activities, including entering invoices, reviewing expense submissions, and preparing vendor disbursements for processing.• Review and process payment-related documents such as invoices, vouchers, and supporting records to ensure accuracy and completeness.• Prepare and examine weekly certified payroll documentation to support compliance with prevailing wage requirements at the state and federal levels.• Coordinate the collection and verification of employee time records and assist with payroll-related administration to support timely processing.• Maintain organized employee payroll files, including labor classifications and fringe benefit records, with a strong focus on data accuracy.• Support adherence to applicable labor laws and payroll regulations by monitoring documentation and escalating discrepancies when needed.• Assist with job setup activities, including entering project-related details and applying appropriate job cost coding to financial records.• Retrieve, organize, and summarize information from files and accounting documents to support reporting needs and senior accounting staff.• Provide general accounting and administrative assistance on special assignments and other operational tasks as business needs arise. Please reach out to John Miller for immediate consideration.
2026-05-14T00:00:00Z

Accounting Clerk

San Ramon, CA
onsite
Permanent / Full Time
24.5 - 28.5 USD / Hourly
Our team is seeking an Accounting Clerk to join our Full-Time Engagement Professionals practice. In this role, you will support client projects across accounts payable, accounts receivable, billing, collections, and general accounting. The ideal candidate has intermediate Excel skills, strong data entry accuracy, and a degree in accounting, finance, or a related field, while helping clients maintain accurate records and support critical project and interim needs. 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>
2026-05-21T00:00:00Z