10 Results for 20 Hours Part Time Executive Assistant Jobs in Livermore, CA

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Part-Time Office Assistant

San Ramon, CA
onsite
Temporary / Contract
24 - 28 USD / Hourly
About Robert Half:Robert Half is a specialized talent solutions and staffing firm that connects skilled professionals with leading companies across a variety of industries. Our team partners with organizations throughout the Bay Area to support hiring needs in Administrative, Customer Service, Finance & Accounting, Human Resources, and other professional disciplines. This is not an active opening with a specific client at this time. We are proactively connecting with Office Assistants interested in upcoming temporary and temp-to-hire opportunities. By applying, you'll have the chance to be considered for future roles that match your skills and career goals. Robert Half client is seeking a reliable and detail-oriented Part-Time Office 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> If you are interested in this Office Assistant position, please submit your resume today to be considered!
2026-10-02T00:00:00Z

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. 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
2026-10-01T00:00:00Z

Executive Assistant

Palo Alto, CA
onsite
Temporary / Contract
30 - 50 USD / Hourly
We’re looking for a sharp, proactive Executive Assistant who thrives in a fast-paced environment and knows how to keep senior leaders organized, prepared, and focused.What You’ll Be Doing:<ul><li>Manage complex calendars, meetings, and scheduling</li><li>Coordinate domestic and international travel</li><li>Prepare reports, presentations, and executive communications</li><li>Manage expenses and confidential information</li><li>Coordinate leadership meetings, events, and special projects</li><li>Anticipate priorities and keep executives one step ahead</li></ul>
2026-10-02T00:00:00Z

Executive Assistant

San Francisco, CA
onsite
Temporary / Contract
40 - 45 USD / Hourly
We are looking for an experienced Executive Assistant to support senior transaction professionals within a fast-paced real estate environment. This long-term contract position requires someone who can manage shifting priorities, maintain strong communication across teams, and provide seamless administrative, deal, and event coordination support. The ideal candidate brings sound judgment, exceptional organization, and the ability to anticipate needs while handling sensitive matters with professionalism. Responsibilities:• Manage complex executive calendars, coordinate domestic and international travel, and prepare detailed itineraries, agendas, and meeting plans to keep business activities running smoothly.• Maintain close alignment with transaction professionals by monitoring upcoming deadlines, commitments, and priority changes, ensuring leaders are consistently prepared for what is ahead.• Serve as a central communication point for the broader team, helping streamline coordination, share timely updates, and improve overall operational efficiency.• Organize meetings from start to finish, including scheduling, rescheduling, prioritization, logistics, and follow-up based on changing business demands.• Handle a wide range of administrative activities such as expense tracking, report submission, correspondence preparation, client gifting coordination, and charitable request processing in line with company policies.• Support presentation and document preparation by editing, formatting, and producing high-quality materials using Microsoft PowerPoint, Word, Excel, and other business applications.• Provide administrative support for transaction activity by maintaining internal databases, assisting with marketing materials, generating reports, and coordinating with internal stakeholders and external legal partners.• Oversee deal-related logistics and event coordination, including closing dinners and client gatherings, while managing budgets, attendee details, approvals, venues, transportation, and on-site execution.• Offer backup assistance to other executive support staff and collaborate with teams across multiple offices to ensure continuity of service and timely completion of deliverables. ** If you're interested in this position, please apply to this position and contact Michaela Stauber at michaela.stauber- at - roberthalf - .com with your word resume and reference job ID#00410-0013508919**
2026-10-02T00:00:00Z

Part-Time Workplace Coordinator

San Mateo, CA
onsite
Temporary / Contract
27 - 30 USD / Hourly
Robert Half is working with an exciting Ai company. We are seeking a reliable, organized, and personable Office Support Administrator to provide day-to-day administrative and workplace support for a San Mateo office. This is an excellent opportunity for someone with prior administrative, office coordination, receptionist, or workplace support experience who enjoys keeping an office organized, welcoming, and running smoothly. The ideal candidate will be highly organized, customer-service oriented, proactive, and comfortable interacting with employees, visitors, candidates, vendors, and building management. Key Responsibilities<ul><li>Coordinate employee lunches, including placing catering orders, confirming headcount, arranging deliveries, setting up meals, and managing cleanup.</li><li>Restock and organize snacks, beverages, kitchen supplies, and other shared office items.</li><li>Monitor office inventory and place orders for office, kitchen, janitorial, and other workplace supplies as needed.</li><li>Serve as the onsite point of contact for maintenance, repairs, janitorial services, and other facility-related needs.</li><li>Coordinate with property management, building management, and external vendors to resolve office and building concerns.</li><li>Manage visitor access by preparing visitor passes, greeting guests, notifying employees of arrivals, and assisting visitors with navigating the office.</li><li>Support onsite candidate interviews by preparing conference rooms, coordinating visitor access, managing NDA sign-ins, and ensuring candidates receive a welcoming experience.</li><li>Manage employee access needs, including office badges, parking permits, and parking validation.</li><li>Receive, sort, and distribute mail, packages, catering orders, and other office deliveries.</li><li>Maintain conference rooms and common areas, ensuring they remain clean, organized, stocked, and ready for use.</li><li>Coordinate with vendors for catering, office supplies, facilities services, and other workplace needs.</li><li>Troubleshoot routine office issues and escalate urgent, technical, or building-related concerns to the appropriate contact.</li><li>Provide general administrative and office support as needed.</li></ul>
2026-10-01T00:00:00Z

Admin Assistant/EA/HR Support

Burlingame, CA
onsite
Permanent / Full Time
90000 - 100000 USD / Yearly
Administrative Assistant/EA/HR Assistant Exciting growing Ai company is seeking an Administrative Assistant to join their growing team. This role blends executive assistance, office coordination, and HR support in a fast-moving AI company environment. Position offers excellent benefits, bonus, and equity.Responsibilities:• Manage executive scheduling, coordinate travel arrangements, and prepare expense submissions with accuracy and timeliness.• Provide administrative support to leadership, including assistance with HR-related coordination and routine operational tasks.• Serve as the primary on-site point of contact for guests and clients, ensuring a welcoming, well-run, and attentive office experience.• Oversee day-to-day office operations by maintaining common areas, restocking kitchen and office supplies, and arranging meals for meetings or visitors.• Support presentations, meetings, and client demonstrations by setting up materials and troubleshooting basic technology needs.• Coordinate internal meetings, team events, and company-wide gatherings to ensure logistics run smoothly from planning through execution.• Manage front desk and reception activities, including greeting visitors, answering the door, and directing inquiries appropriately.• Handle confidential communications and sensitive information with sound judgment and close attention to detail.• Provide broad administrative assistance as needed and take on additional duties assigned by the reporting manager.
2026-10-01T00:00:00Z

Legal Administrative Assistant

San Francisco, CA
remote
Temporary / Contract
30 - 40 USD / Hourly
A San Francisco-based attorney is seeking a part-time Legal Administrative Assistant to help coordinate preparations for a significant criminal defense trial. The immediate need is for someone who can take ownership of trial-related logistics, manage changing priorities, and follow through on projects with limited oversight.The role is primarily remote, but the assistant must be available for occasional tasks in San Francisco, including touring potential accommodations for the trial team. Depending on the candidate’s experience and the attorney’s needs, the assignment may also include legal administrative, litigation, bankruptcy, or billing-related projects.Responsibilities<ul><li>Coordinate trial-team logistics, including sourcing and touring two townhouses near the trial location in San Francisco. </li><li>Help arrange internet service, supplies, and other practical needs for the trial accommodations. </li><li>Track assignments and deadlines, communicate with vendors and other contacts, and keep the attorney updated on progress. </li><li>Participate in Zoom meetings to learn the attorney’s processes and receive project-specific instructions. </li><li>Assist with litigation and trial-related administrative work as needed. </li><li>If experienced with legal document preparation, gather information from clients and prepare bankruptcy documents using attorney-provided forms or precedents. </li><li>If experienced with Excel or billing support, help organize business bank records and income information for tax and billing-related projects. </li></ul>
2026-09-24T00:00:00Z

Human Resources (HR) Assistant

San Francisco, CA
onsite
Temporary / Contract
25 - 27 USD / Hourly
We are looking for a Contract Human Resources (HR) Assistant to support day-to-day people operations in San Francisco, California. This role will help coordinate recruitment, onboarding, and employee support activities while keeping records accurate and processes on schedule. The ideal candidate is highly organized, responsive, and comfortable managing multiple priorities in a fast-moving environment. Responsibilities: • Partner with recruiting and training teams to coordinate HR activities from pre-boarding through offboarding and help keep each stage moving efficiently. • Manage and follow up on operational requests through Zendesk, ensuring issues are tracked, updated, and resolved in a timely manner. • Share internal career opportunities with employees, maintain external job board postings, and keep recruitment tracking documents current. • Update job advertisements with tailored screening questions and prepare interview materials to support a consistent recruitment process. • Coordinate with recruitment leaders to provide interview panels with schedules, candidate information, feedback forms, and other required materials before interviews. • Deliver a positive candidate experience by communicating status updates promptly and helping applicants navigate the interview process. • Organize new employee schedules, employee resource materials, and cross-functional onboarding touchpoints with teams such as IT, Operations, and Training. • Follow up on background checks, reference checks, and new employee documentation to help ensure all pre-employment requirements are completed on time. • Support onboarding and offboarding administration by processing paperwork, maintaining HRIS records, assisting with I-9 completion, and handling termination notifications with confidentiality.
2026-10-02T00:00:00Z

HR assistant

Oakland, CA
onsite
Temporary / Contract
27 - 29 USD / Hourly
We are looking for an organized HR Assistant to support daily administrative and human resources operations in Oakland, California. This Long-term Contract position offers approximately 18 hours per week, Monday through Thursday, with a flexible start time for an on-site schedule. The ideal candidate will handle confidential information with care while assisting with records management, payroll related tasks, staff support, and office coordination across multiple locations. Responsibilities:• Manage recurring payroll-related reporting and assist with employee benefits administration in a timely and accurate manner.• Digitize, file, and maintain HR, financial, and administrative records across both paper and electronic systems.• Receive, sort, and distribute incoming mail, faxes, and other office communications.• Conduct credential and background-related verification activities for clinical personnel as required.• Track inventory and replenish office and janitorial materials for two operational sites.• Support internal meetings by preparing rooms, arranging audio/visual equipment, and coordinating refreshments and post-meeting cleanup.• Assist with county account coordination along with facilities, technology, and other assigned operational projects.• Provide coverage for other administrative team members and contribute to additional support tasks as business needs evolve.• Safeguard sensitive employee and organizational information in compliance with confidentiality expectations. If you are interested in this role, please apply today and call us at (510) 470-7450
2026-09-10T00:00:00Z

HR Assistant

Palo Alto, CA
onsite
Temporary / Contract
25 - 35 USD / Hourly
What We’re Looking For:<ul><li>Strong attention to detail and organizational skills</li><li>Comfortable working in a fast-paced, hands-on environment</li><li>Basic computer and data entry skills</li><li>Dependable, proactive, and willing to jump in where needed</li><li>Previous inventory, warehouse, retail, or shipping/receiving experience is a plus</li></ul>
2026-10-02T00:00:00Z

10 results for 20 Hours Part Time Executive Assistant in Livermore, CA