222 Results for

Administrative Support Jobs in Castro Valley, CA

Jobs

New!

Concord, CA4 days ago

$94.86–$142.30 Per Hour

See John Muir Health Terms & Conditions at https://www.johnmuirhealth.com/terms-of-use.html and Privacy Policy at https://www.johnmuirhealth.com/content/dam/jmh/Documents/Legal-and-Privacy/website-privacy-policy.pdf and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions. The RN-Administrative Supervisor will act as Incident Commander designee when the disaster plan is activated until a senior administrative person is available to assume responsibility.

New!

Concord, CA4 days ago

$94.86–$142.30 Per Hour

San Francisco, CA30+ days ago

Remote

Temporary
Contractor
Full-time

Coordinate scheduling of planning meetings, stakeholder sessions, and internal convening prep activities, including meetings such as the recurring CARE Team discussions that inform CARE Act project needs. • Help track vendor responses, maintain procurement documentation, and support follow up tasks for temporary staffing or vendor contracts linked to CARE Act work (e.g., temp encumbrances).

New!

Stanford, CA2 days ago

$35–$40 Per Hour
Full-time
Employee

R&DE Finance & Administration, which includes the Finance, Budget Management, and Vendor Management & Contracts teams, provides innovative and sound financial management, implements policies and procedures, provides strategic and long-range planning, and coordinates all aspects of purchasing, contracts, and vendor relationships. May include identifying potential vendors, preparing Request for Quotations (RFQ), Requests for Proposals (RFP), conducting site visits, obtaining bids, preparing and evaluating bids, and negotiating with suppliers.

San Francisco, CA7 days ago

$30–$32

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. With that said, as required by local law, Vaco by Highspring believes that the following salary range referenced above reasonably estimates the base compensation for an individual hired into this position in geographies that require salary range disclosure.

New!

San Francisco, CA1 day ago

$41.03–$53.85
Full-time
Employee

This role will deliver value in the following ways: central support resource for the leader and the practice team; an integrator connecting work streams that would otherwise remain siloed; a communicator linking the practice team, clients, and the broader organization. Leveraging the Firm's Travel Department while overseeing all aspects of travel planning, logistics, details, and execution, to attorney preferences, aiming to be efficient with the attorney's time during business trips, and keeping client-related components of business trips at the forefront.

San Jose, CA10 days ago

This is a hands-on operational leadership role for a mature, proactive, highly organized problem-solver who understands that a successful law firm depends not only on excellent legal work, but also on reliable systems, clear communication, disciplined execution, and strong internal coordination. This role is responsible for translating leadership direction into practical daily execution, identifying operational gaps before they become larger business problems, and ensuring that administrative staff, systems, vendors, workflows, and internal procedures are functioning with appropriate structure and accountability.

San Francisco, CA30+ days ago

Full-time
Employee

What you'll likely work on: Use impeccable C-I-CARE (a framework containing the key elements of a great interaction and effective communication that we use with patients and each other) in all patient interactions, both clinical and administrative, and ensure a fluid and positive in-office experience through patient intake, same day schedule management, appropriate follow up scheduling, strong knowledge of billing and insurance, monitoring patient feedback and assisting with outreach as necessary. Continue to care for our members beyond the lab room by answering patient messages, following up on lab cases and assisting our providers and virtual medical team with clerical duties such as, but not limited to biometric screening forms, medical record and consult review, billing inquiries, and DOH reporting.

San Jose, CA30+ days ago

We are seeking a highly organized and proactive Administrative Assistant to provide primarily HR administrative and recruitment support, with a smaller portion of general office and administrative assistance. This role supports day-to-day HR operations, recruitment administration and employee records management in a high-volume, fast-paced and continuously evolving work environment.

New!

San Francisco, CA4 days ago

$49,000–$52,000 Per Year
Full-time

You will handle day-to-day case administration through our proprietary case management system (PRISM), correspond with parties, attorneys, and neutrals, and ensure accurate scheduling, documentation, and billing processes. The American Arbitration Association (AAA) seeks a detail-oriented and service-driven Case Administrator to manage arbitration and mediation cases across a wide range of industries.

New!

Mountain View, CO1 day ago

Basic medical terminology knowledge Minimum of 6 months’ customer service experience At least 1 year of clerical, call center, or healthcare administrative experience Proficiency with Microsoft Office Suite (Outlook, Excel, Word) Typing and data entry speed sufficient for a fast-paced environment (at least 50 words per minute (WPM) Ability to pass a federal background investigation and obtain Tier 1 security clearance About Aptive Arrow ARC supports Veterans Health Administration facilities and offices across the U.S. with health care staffing and program support via the 10-year Integrated Critical Staffing Program (ICSP). Job Summary Job Title: Medical Support Assistant Department: Department of Veterans Affairs Healthcare System: VA Health Care System Location: Onsite; Aurora, CO Salary Range: $22.99, $5.09 H&W Work Schedule: Full-time Overview: Arrow ARC is seeking reliable and mission-driven Medical Support Assistants (MSAs) to support Veterans served by the VA Eastern Colorado Health Care System.

Walnut Creek, California8 days ago

$56,943–$83,350 Per Year

Excellent communication skills (including writing and editing skills), keyboarding skills (50+ wpm), and proficiency in Microsoft Office: Word, Excel and PowerPoint. Maintain supplies inventory by checking stock to determine inventory level; anticipating needed supplies; placing and expediting orders for supplies.

Mountain View, CA30+ days ago

Part-time

DIU Navy Administrative Support Part-Time SELRES Reservist billets are OSD and Navy coded enlisted billets, for enlisted members who are currently affiliated (or are in the process of affiliating) with the Navy Reserve as a Selected Reservist (SELRES), ideally targeting E-6s. Strong written and oral communication skills; the ability to present complex matters clearly and simply; effective organizational skills; Proficient computer skills, Google Suite a plus.

Richmond, CA24 days ago

Interfaces with and assists facility managers, regional managers, leads, associates, I.S. and Finance Departments, transportation (rail & truck) representatives and customers with day to day operations and special projects. Pull reports for shipped, received, damaged and old units on the ground, goes to customer every day.

New!

Santa Clara, CAToday

Contractor

RDS Additional Position Details Preferred Soft Skills / Background Strong communication skills Comfortable conducting and participating in meetings Strong attention to detail Able to work effectively in a team environment Strong scheduling/coordination skills Tech-savvy and up to date with technology Data analysis experience/background preferred Prior Client/*** experience is a plus Other projects assigned by management Requirements Hard/Technical Skills Data Visualization: Proficiency in Excel (Pivot Tables, VLOOKUPs, charting) or visualization tools (e.g., Tableau, PowerBI) to create performance dashboards.

Santa Clara, CA30+ days ago

Governance & Meetings: Manage complex scheduling across time zones, prepare meeting documents, and synthesize high-quality, actionable meeting minutes. Detailed Responsibilities: Stakeholder Coordination: Proactively follow up on action items with global team members and cross-departmental stakeholders to meet project milestones and clear dependencies.

San Francisco, CA10 days ago

$28–$32 Per Hour

This is an ideal role for someone who understands insurance workflows, enjoys optimizing processes, and is motivated by supporting a successful, high-performing sales organization. This position combines operational coordination, KPI tracking, administrative excellence, and sales enablement to ensure our team executes at a high level every day.

San Francisco, CA30+ days ago

$24–$28 Per Hour

The Administrative Sales Support Specialist plays a crucial role in supporting the District Offices Protg Sales team by tracking key performance metrics, managing administrative processes, and ensuring the smooth execution of sales and training activities. The Farmers Insurance District office is Located in the Financial District of San Francisco with easy access by all forms of public transportation.

Novato, CA23 days ago

$24–$28 Per Hour

New!

Brentwood, CA2 days ago

$16.50–$28 Per Hour

The Sales & Administration position is responsible for performing Administration duties related to store accounting and operations, assisting in the sales of tires and wheels to customers, providing excellent customer service and completing work according to company policies, procedures, and the Code of Conduct. Primary Responsibilities: Greeting customers; discussing customer needs and answering questions related to merchandise, vehicle repairs, and other issues; providing product and service quotes and referring customers to other qualified employees as necessary.

Fremont, CA30+ days ago

$41,600–$49,920 Per Hour

Recognized as a technology leader, Sanmina Corporation provides end-to-end manufacturing solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the communications networks, defense and aerospace, industrial and semiconductor systems, medical, multimedia, computing and storage, automotive and clean technology sectors. Salary Range (annual): $41,600 -$49,920 ($20.00 - $24.00 per hour) Actual base pay within this range (determined at the offer stage) will be based on a candidate's years of relevant work experience, education, certifications, and skills, and is just one element of our total rewards package.

Oakley, CA23 days ago

$16.50–$28 Per Hour

Livermore, CA14 days ago

$16.50–$28 Per Hour

San Jose, CA28 days ago

Handle all aspects of monthly bill preparation as required, including initiate pro formas; review, categorize and transfer time entries; finalize bills for partner review; mail or submit electronically; track outstanding client bills and follow up with partners, clients or revenue group to resolve. Manage administrative duties including but not limited to answering phones, arranging conference calls, coordinating travel and meetings, creating and maintaining, paper and electronic files, as well as handling miscellaneous photocopying, scanning, faxing and printing requests.

Newark, CA30+ days ago

$23–$27 Per Hour

The Administrative Assistant interacts with the general public, merchants, tenants, in-house facilities technicians, third-party contractors including housekeeping and security, and other persons servicing the mall, its merchants and tenants. + Supports the day-to-day management of the mall including general office work such as file organization, fulfilling written requests, answering phones, greeting guests, word processing, distributing mail, purchasing and replenishing supplies.

San Francisco, California30+ days ago

$21–$25 Per Hour

Utilize various contemporary computer applications and software packages; develop, enter data, maintain, and generate reports from a database maintain, and utilize data to develop reports using spreadsheet software; create, format, and revise charts, graphs, flowcharts, worksheets, booklets, brochures, and forms using word processing and other software. Support the Operations Supervisor by processing procurement orders, reviewing order requests, researching pricing, coordinating purchases and placing orders through the organization accounts, record keeping of receipts.

San Francisco, CA24 days ago

W are seeking an experienced administrative Assistant to provide operational and administrative support to the Senior Director, Digital Marketing, as well as coordination support for the teams reporting to this function. This role combines administrative support with strong organizational and communication skills, ensuring seamless operations and alignment across key marketing and cross-functional priorities.

San Francisco, California30+ days ago

$79,100–$114,700 Per Year

Responsibilities: The main responsibilities of the role include creating and editing documents and maintaining e-filing of client/matter related documents, organizing inboxes and filing emails, performing document comparisons, arranging travel, processing expenses and invoices in collaboration with Williams Lea, editing daily time entries for narrative accuracy including reviewing WIP reports to support clean diary entries according to client guidelines, reconciling temp time when new matters are opened; handling incoming and outgoing mail, and providing additional overflow support to the San Francisco Administrative Resource Center. The firm has approximately 2,500 lawyers and professionals serving clients in major centers of business, finance, technology, and government in Boston, Chicago, Dublin, Hong Kong, London, Los Angeles, Milan, New York, Paris, San Francisco, Seoul, Shanghai, Silicon Valley, Singapore, Tokyo and Washington, D.C. The firm has consistently been recognized for its leading practices in many areas, including asset management, private equity, M&A, finance, real estate, tax, antitrust, life sciences, health care, intellectual property, litigation & enforcement, privacy & cybersecurity, and business restructuring.

San Jose, CA24 days ago

$40–$45 Per Hour

Most recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! As Talent solutions provider for Fortune 100 Organizations, Akraya's industry recognitions solidify our leadership position in the IT staffing space.

Antioch, California15 days ago

Maintain data, generates and formats reports and other documents using full range of computer software skills including spreadsheets, word processing, database management and HER. Our organization offers 50+ programs that address mental health, the unhoused, early care and education, those impacted by the justice system, transitional age youth, as well as aging adults.

Oakland, CA30+ days ago

Allana Buick and Bers is looking for a reliable Administrative Assistant who will undertake a broad set of administrative and clerical tasks, such as providing support to our managers and employees, assisting in daily office needs and managing our company's general administrative activities, particularly making travel and meeting arrangements, preparing reports and maintaining appropriate filing systems. You should have excellent oral and written communication skills and be able to organize their work using tools, like MS Excel and office equipment.

New!

San Francisco, CA2 days ago

$24–$26.78

Demonstrated organization skills to manage multiple projects and deadlines; Ability to take initiative, prioritize with minimal supervision and work independently, as well as being able to contribute as a member of a team; Strong work ethic and attention to detail. Strong interpersonal communication skills; Tech-savvy with working knowledge and experience with Microsoft Office (Word, Excel, and PowerPoint); Perform related duties as assigned.

New!

Concord, CA1 day ago

Must have working knowledge of a variety of computer software applications including word processing, spreadsheets, email, and presentation software (MSWord, Excel, Outlook, PowerPoint, and Teams), and other technical software and database (SharePoint, etc.) programs. Must possess good business writing, editing, and proofreading skills; work requires continual attention to detail, establishing priorities, and meeting deadlines.

San Francisco, California30+ days ago

$30–$35 Per Hour

Felton’s Senior Division specializes in a full continuum of mental health services for older adults in outpatient clinics, the community, and supportive housing sites, as well as programs in employment training, economic security, case management, advocacy, and social connection and inclusion. Assist Program Managers/Directors in monitoring program objective targets, completing monthly report summaries and assisting in completion of annual BOCC performance Objective reports for all Mental health programs in Senior Division (e.g.

Pleasanton, California25 days ago

$28–$35 Per Hour

Serve as a point of contact between office staff, project managers, subcontractors, and vendors. Assist with contract documents, purchase orders, subcontracts, and change orders.

San Francisco, CA30+ days ago

$36.54–$48.56 Per Hour

Support the physical site support demands required including phone coverage, assistance with new hire integration, facilities maintenance, supplies, floor access, presence at local events, greeting clients and guests and escorting them throughout the location, food orders/set up and takedown of conference rooms, ensuring superior client service at all times. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.

San Francisco, CA30+ days ago

$36.54–$48.56 Per Hour

Provide physical demand required in providing site support for local office requirements including phone coverage, assistance with new hire integration, facilities maintenance, supplies, floor access, presence at local events, greeting clients and guests and escorting them throughout the location, food orders/set up and takedown of conference rooms, ensuring superior client service at all times. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.

New!

Fremont, CA2 days ago

$30–$35 Per Hour

Provide oversight and coordination related to: Break room functionality and suppliesCleaning service alignment (dotted-line coordination). Johnson Service Group is seeking to fill an Administrative Support position for our client that is in a fast paced manufacturing environment for a contract to hire opportunity.

Palo Alto, CA30+ days ago

From managing patient schedules to supporting the administrative needs of a healthcare team, your work will directly contribute to creating a positive and efficient patient experience. Apply today to join a dedicated team where your organizational skills and customer-focused mindset will have a direct impact on the quality of patient care.

Pleasanton, California25 days ago

$30–$35 Per Hour

This role supports managers and team members by handling daily administrative tasks, coordinating communication, and maintaining organized systems. The Administrative Assistant provides essential administrative and clerical support to ensure the efficient operation of an office or department.

Palo Alto, CA30+ days ago

$40.91–$53.18 Per Hour

Naviga Recruiting & Executive Search is a leading provider of Contingent Workforce Solutions, Executive Search, Leadership and Individual Contributor hiring, empowering businesses to achieve their strategic objectives through expert talent acquisition. While the work can be sedentary and involves extended periods at a computer, the firm supports a culture where digital collaboration tools like Zoom and Microsoft Teams keep the team connected regardless of physical location.

San Francisco, CA30+ days ago

Remote

$81,000–$100,000 Per Year

The determination of this anticipated Base Salary involves the consideration of many factors in making compensation decisions including but not limited to: location of candidate, unique skill sets, experience, training, performance, licensure and certifications, as well as other business and organizational needs. OpenSpace is seeking a highly organized and proactive Administrative Assistant to support day-to-day office operations and coordinates and plans internal events.

Campbell, CA30+ days ago

We're a privately held, majority Black-owned small business doing thoughtful, problem-solving engineering geology and geotechnical work throughout the greater San Francisco and Monterey Bay areas. At C2Earth, you'll inherit a legacy: the reputation of Upp Geotechnology (founded in 1983) plus the innovative spark and commitment brought by our founders, Craig Reid and Chris Hundemer.

New!

San Francisco, California3 days ago

As a Legal Administrative Assistant within our Litigation Department, your responsibilities include, but are not limited to: Preparing documents for state and federal court filings, including discovery requests and responses, letters, pleadings, motions, and documents. Ballard Spahr LLP has an excellent opportunity for an experienced legal administrative assistant (legal secretary) with demonstrated litigation, technical, and administrative skills to work in the San Francisco office.

San Francisco, CA30+ days ago

A leading law firm is seeking a Legal Administrative Assistant to support attorneys and staff in a fast-paced, professional environment. *This pay range representsAvata Partners good faith minimum and maximum range for this role at the time of posting.

San Francisco, CA10 days ago

$27–$30 Per Hour

Military and veteran friendly employer, veterans and candidates with military experience encouraged to apply MOS Army: 51L; MOS AF: 3E131; MOS USCG: 1701; MOS USN: 3E1X1; MOS USSF: H190; MOS USMC: 1161 • Track and manage Daily Break Exceptions, including pre‑filling exception forms, coordinating manager signatures, and ensuring timely documentation submission to prevent compliance penalties.

New!

Santa Clara, CA1 day ago

$27.33–$27.33 Per Hour
Temporary

Required Education:High School Diploma with 4–5 years of administrative support experience Preferred Education:Associate or Bachelor’s degree with 2–3 years of administrative support experience Required Skills and QualificationsPrevious high-level administrative or secretarial experience required Strong proficiency with Microsoft Office Suite including Outlook, Word, Excel, and PowerPoint Experience with Concur or similar travel and expense management systems preferred Excellent organizational, multitasking, and time management skills Strong written and verbal communication abilities High attention to detail and accuracyWe are seeking a highly organized and professional Administrative Assistant to support multiple members of the management team in a dynamic business environment. Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify).

Walnut, CA30+ days ago

Creates, edits and proofreads communications, documents, spreadsheets, and presentation slides from rough drafts, notes, or a variety of letters, memos, documents, reports, or technical forms (includes handling of confidential information). Proficiency with Microsoft Office Suite/ software including Word, Excel, PowerPoint, and Outlook, with an understanding of the use of tables, formatting, formulas, clipart/ graphics, presentations, macros, database development, project tracking, etc.

New!

San Francisco, California2 days ago

Develops and prepares presentation materials, sets up and maintains files, makes appointments and travel arrangements, schedules and coordinates internal and off-site meetings. Travel + Leisure Co. is the world’s leading vacation ownership and travel membership company, with a dynamic and growing portfolio of resort, travel club, and lifestyle travel brands.

San Rafael, CA30+ days ago

Primary Responsibilities: Proactively schedule and organize meetings and conference calls, ensuring availability of all participants, reserving meeting spaces, arranging technical setup, coordinating catering, preparing materials, and recording minutes as needed. The Senior Administrative Assistant is positioned at the core of departmental activities, requiring sound judgement, discretion, and the ability to effectively engage with stakeholders across departments.

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Administrative Support Jobs in Castro Valley, CA

Jobs

RN - Administrative Supervisor - Inpatient - Part Time - 12 Hour - NightsJohn Muir Health

RN - Administrative Supervisor - Inpatient - Per Diem - 8 Hour - Variable ShiftJohn Muir Health

ADMINISTRATIVE ASSISTANT IIIAroha Technologies

Administrative Services AdministratorTalent Software Services

Office AdministratorVaco LLC

Executive AssistantReed Smith LLP

Law Firm Operations ManagerEdgar Law Group, LLP

Phlebotomist / Administrative Assistant1Life Healthcare, Inc.

Administrative Assistant - Recruitment and HR SupportFoxconn Industrial Internet - FII

Case Administrator (Legal Services/Administrative Support)American Arbitration Association Inc.

Entry-Level Medical Administrative Assistant (Healthcare Support)Veterans Health Administration

Administrative Assistant - Engineering SupportSargent & Lundy

Navy Administrative Support Part-Time SELRES ReservistDefense Innovation Unit

HR Administrative SupportAuto Warehousing Company

Administrative SupportIntegrated Resources, Inc

Administrative SupportCompass Consulting

Sales Operations & Administrative Support SpecialistFarmers Insurance - Office of Ray Mizrachi

Administrative Sales Support Specialist-San Francisco District OfficeFarmers Insurance East Bay

Administrative Sales Support SpecialistFarmers Insurance

Administrative Support - Brentwood #650Les Schwab

Planning Administrative Support - (104561)Sanmina

Administrative Support - Oakley #656Les Schwab

Administrative Support - Livermore #647Les Schwab

Legal Administrative Assistanttruckcrashlaw

Administrative AssistantBrookfield Properties

Bilingual Administrative Assistant (Spanish)Felton Institute

Administrative Assistant – Digital MarketingMatchPointe Group

Legal Administrative AssistantRopes & Gray

Administrative Assistant: 26-01148Akraya Inc.

Data Administrative AssistantFelton Institute

Administrative AssistantAllana Buick & Bers

Administrative AssistantUC Law SF

Administrative AssistantRimkus

Administrative AssistantFelton Institute

Construction Administrative Assistant0000Ultimate Staffing Services

Executive Administrative AssistantJPMorgan Chase

Executive Administrative Assistant - Middle Market Banking and Specialized IndustriesJPMorgan Chase

Administrative Assistant and Site CoordinatorJohnson Service Group

Administrative AssistantCovelo Direct (a Division of ZOE Holding)

Administrative AssistantUltimate Staffing Services

Contract to Perm Legal Administrative AssistantNaviga Recruiting & Executive Search

Administrative AssistantOpenSpace

Administrative AssistantC2Earth, Inc.

Legal Administrative Assistant- LitigationBallard Spahr LLP

Administrative Assistant APAvata Partners (a Division of ZOE Holding)

Administrative AssistantABM Industries

Administrative Assistant Jobs in USA, CA, Santa Clara | Rose International JobRose International

Administrative Assistant, GeneralSysco

Administrative Assistant - Club Wyndham Donatello ResortTravel + Leisure Co.

Senior Administrative AssistantCompass Consulting

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