65 Results for

Administrative Support Jobs in Sonoma, CA

Jobs

New!

Concord, CA3 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!

Santa Rosa, CA3 days ago

$23–$24 Per Hour

This role provides essential clerical and administrative services that help departments deliver efficient and responsive public service. Tekberry is looking for a highly reliable and detail-oriented Administrative Support professional to assist one of our government clients.

Walnut Creek, California21 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.

New!

Berkeley, CA4 days ago

Immerse yourself in the Golden State's diverse landscapes, vibrant cities, and endless opportunities for adventure and exploration. Let [City Name] be the backdrop for your next chapter.

Vacaville, CA30+ 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.

Windsor, CA30+ days ago

$16.50–$28 Per Hour

New!

Santa Rosa, CA4 days ago

High school diploma or equivalent (GED) required; college education preferred; 2. Minimum of two (2) years prior secretarial/administrative experience required; 3. Minimum of two (2) years prior bookkeeping experience required; 4. Must possess strong communication, administrative and organizational skills; 5. Provides administrative support to DCGC personnel as directed; 2. Files administration and financial information, as well as, casino compliance documents; 3. Provides updates to inventory status on administration supplies; 4. Answers routine correspondence without supervisor's involvement; 5.

New!

Martinez, CA6 days ago

$16.90–$20 Per Hour
Temporary

As a person who has assumed full or intermittent responsibility for the care or custody of dependent adults, the employee is legally obligated to report known, suspected, or alleged abuse, neglect, abandonment, abduction, isolation, or financial abuse of an elder or dependent adult immediately, or as soon as practicably possible, to the appropriate agency, with a written follow-up report within two (2) working days. The employee is required to maintain strict confidentiality of all client, employee, and inter-agency information in accordance with the Health Insurance Portability and Accountability Act (HIPAA), the California Confidentiality of Medical Information Act (CMIA), the Lanterman Act, and Thrive Support Services, Inc. policies.

Concord, CA14 days 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.

New!

Richmond, CA5 days ago

At Carriage Services, we are united by our purpose of creating premier experiences through innovation, empowered partnership, and elevated service. Answers telephone and gives information to callers or routes calls to the appropriate person and places outgoing calls for the business.

Vallejo, California30 days ago

Experience utilizing common communication technologies and services (email (Outlook), Zoom, including development of list serves, voicemail, phone, and video conferencing. · Strong problem solving and organizational skills including, managing multiple assignments, prioritizing tasks, setting deadlines, and initiating and completing projects on schedule without close supervision.

New!

Rohnert Park, CA4 days ago

What you need to be successful: Self-awareness, resourcefulness, reliability, and responsibility, with a commitment to bring your best daily. Strong verbal and written communication skills, ability to collaborate with others and analyze and solve problems effectively.

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.

Santa Rosa, CA30+ days ago

HFTC is looking for a resourceful, clear-thinking, highly-organized executive assistant with strong skills in Microsoft Office and experience with enterprise business applications to support the organization's Director and staff. Own internal & external meeting logistics: attend internal meetings, take meeting notes when appropriate, denote action items and communicate appropriately.

New!

Richmond, CA4 days ago

The permanent collection was established in 1950 and is comprised of a variety of materials including textiles, fine art, archaeological collections, historical artifacts, documents, photographs. The Richmond Museum of History is located in the heart of downtown Richmond and is proud to be the oldest organization in West Contra Costa County dedicated to preserving local history.

California, CA13 days ago

Remote

High school diploma or equivalent required • Associate degree or higher is a plus but not required • 0–2 years of administrative, customer service, or office support experience preferred • Familiarity with basic office tools such as Microsoft Office or Google Workspace is an advantage • Strong time management skills and ability to handle multiple tasks • Professional written and verbal communication skills. • Manage and update client records, documents, and internal systems • Assist with scheduling appointments, meetings, and follow-ups • Respond to client inquiries in a timely and professional manner • Support data entry, document processing, and file organization • Coordinate tasks across team members and departments • Maintain accuracy and attention to detail in all assignments.

New!

Vacaville, CA1 day ago

$20–$22 Per Hour

A family business 60+ years in the making, with +50 furniture showrooms and +700 employees across the U.S. Our sister-brands (Scandinavian Designs and Dania Furniture) are a contemporary home furnishings destination rooted in a love for Nordic culture, modern design and quality craftsmanship. In efforts to support the hiring of Veterans, please submit a DD214 or equivalent discharge paperwork from branches of the US Forces when applying for preferred for our preferred veteran hiring process.

Fairfield, CA9 days ago

$24–$30 Per Hour

Professional development programs: DaVita offers a variety of programs to help strong performers grow within their career and also offers on-demand virtual leadership and development courses through DaVita's online training platform Star Learning. In this support role you will ensure the timely and accurate completion of change requisitions, treatment logs, patient charts, invoices and purchase orders.

SANTA ROSA, California30+ days ago

$18.46–$27.69 Per Hour

Receive communication (written, telephone and electronic) from offices who have a concern or a need around supplies, facilities, or support;document nature of problem, research solutions, and resolves issues or escalate to DOC, Company Support Manager (CSM), or District General Manager(DGM) as needed . Maintain a technical working knowledge of systems used to support district(s) i.e. Microsoft Teams and Microsoft Suite applications including virtual tools;may include internal systems .

Richmond, CA13 days ago

We're looking for an enthusiastic Administrative Assistant to support our dynamic Community Access Program in Richmond, serving adults with disabilities. Organize and maintain a variety of confidential and non-confidential files, from personnel records to financial details.

Walnut Creek, CA30+ days ago

Full-time

Flourish Research is one of the industry’s most progressive and diversified clinical trial organizations, with strong capabilities across cardiology, metabolic disorders, renal, oncology, CNS, pulmonology, and vaccine research. In clinical trials and healthcare, excellence means everyone deserves the best care, regardless of their race, color, gender identity, religion, ethnicity, physical abilities, age, sexual orientation, or veteran status.

Walnut Creek, CA9 days ago

$72,000–$85,000 Per Year

Century Group is partnering with a client who is seeking an Accounting Specialist to join their team. Exhibit advanced skills in Microsoft Office applications, including Word and Excel.

New!

Benicia, CA5 days ago

$20.50–$23.50 Per Hour

In addition, our associates may be eligible for paid leave including Paid Sick Leave or any other paid leave required by Federal, State, or local law, as well as Holiday pay where applicable. Massachusetts Candidates Only: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment.

New!

Greenbrae, CA2 days ago

$66.03–$99.04 Per Hour

MarinHealth is already realizing the benefits of impressive growth and has consistently earned high praise and accolades, including being Named One of the Top 250 Hospitals Nationwide by Healthgrades, receiving a 5-star Ranking for Overall Hospital Quality from the Centers for Medicare and Medicaid Services, and being named the Best Hospital in San Francisco/Marin by Bay Area Parent, among others. We attract healthcare's most talented trailblazers who appreciate having the best of both worlds: the pioneering medicine of an academic medical center combined with an independent hospital's personalized, caring touch.

New!

Vallejo, CA3 days ago

$95.92–$125.65 Per Hour

See required physical demands, mental components, visual activities & working conditions at the following link: Job Requirements (https://sutterhealth.sharepoint.com/:b:/s/JobAnalysisLibrary/Eeyax9K5iqtCjgBKjL2Fuu0BPurXA0zE5LI_jfs-A8TEgw?e=UBRdms). Total compensation considers multiple factors, including, but not limited to a candidate’s experience, education, skills, licensure, certifications, departmental equity, training, and organizational needs.

Walnut, CA8 days ago

We are Premier Academy Walnut, a tutoring center committed to providing students with an enriching, well-rounded experience to help them achieve their academic goals. You will work closely with the Campus Director, tutoring staff, and families to ensure that administrative tasks are completed efficiently and professionally.

New!

San Rafael, CA4 days ago

$20.90–$24.70 Per Hour

Whether you are an experienced traveler, or this is your first travel position, SkyBridge Healthcare puts our Nurses first and ensures a seamless travel experience. SkyBridge Healthcare wants the best for our employees, and we are dedicated to helping professionals land their ideal travel assignment.

Walnut Creek, California30+ days ago

$30–$37 Per Hour

ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). Manage all administrative functions of the office include maintaining accounting, human resources, payroll and other duties as assigned.

New!

San Anselmo, CA1 day ago

Sun Valley Elementary is seeking a School To Community Liaison/Administrative Assistant for the 2026-2027 School Year. Contact Karen Moncayo at kmoncayo@srcs.org .

Fairfield, CA30+ days ago

$70,000–$85,000 Per Year
Full-time

Administrative Leader Associate Program – External Candidate Development Opportunity NorthBay Health is seeking experienced leaders from industries outside of healthcare who demonstrate exceptional customer service, strong business acumen, and high potential for leadership growth within a dynamic healthcare environment. We are expanding access to care across our communities through two acute-care hospitals, including a Level II Trauma Center and a Level III NICU maternity unit, along with a cancer center, urgent care locations, and a growing network of primary and specialty care clinics.

New!

Martinez, CAToday

This role will provide high-quality organizational, administrative, and office management services to ensure efficiency and continuity at the Martinez plant location. Strong MS Office skills, MS Excel, Word , Ability to work independently, set priorities and manage workload.

Walnut Creek, CA29 days ago

$19–$25

We offer the absolute best in catering services and have our own factory where we create authentic Italian entrees, raviolis, sauces, pastas, and delicacies to sell in finer retailers throughout Northern California. Since we established the first Genova Delicatessen in Oakland, California in 1926, our delis have been famous for our fresh bread, specialty cheeses, and the best cuts of meat, and specialty groceries.

New!

Fairfield, CA1 day ago

$19–$20.16 Per Hour

A typical way of obtaining the knowledge, skills and abilities outlined above is through graduation from an accredited high school or GED program and two (2) years of experience performing a wide variety of the duties identified above. Turning Point Community Programs (TPCP) provides integrated, cost-effective mental health services, employment and housing for adults, children and their families that promote recovery, independence and self-sufficiency.

New!

Vacaville, CA1 day ago

$37–$37.28 Per Hour

Our client is seeking a highly organized and professional Executive Assistant to provide high-level administrative support within the manager's office. This is an excellent long term opportunity for an experienced administrative professional who thrives in a dynamic government environment and can manage confidential information with discretion and professionalism.

Vallejo, CA30+ days ago

The role is responsible for equipment check-out, equipment reservations, check-in for fitness class reservations, lost & found, towel service sales, towel exchange, towel laundry duties, sales transactions for various resale items, tracking and processing late & damaged equipment, and performing customer service functions at the PEAC. Under the supervision of the Assistant Director—Recreational Programs and Facility Operations, the Frontline Services Student Assistant—PEAC is responsible for setting the tone for the member experience by maintaining a welcoming, inclusive, and non-judgmental environment in the PEAC.

New!

Santa Rosa, CA6 days ago

$22–$25 Per Hour

Enrollment & Records: Maintain accurate student databases, manage rosters, handle record requests, and coordinate annual reenrollment. Front Office Mastery: Manage all school communications (phone, email, mail) and serve as the welcoming face of the school for families and the public.

Walnut Creek, CA30+ days ago

Full-time

You'll play a crucial role in ensuring that proper administrative procedures are maintained at all times while supporting the overall operations of the facility. Interdepartmental Collaboration: Develop and maintain good working relationships with personnel from various departments within the facility.

Sausalito, CA30+ days ago

Are you someone who thrives in fast-moving environments, loves building systems, stays ahead of the details, and takes pride in being the backbone of smooth operations? We are a dynamic, multi-company organization made up of three high-performing event logistics and staffing companies AND one innovative, technology-driven startup.

New!

Martinez, CA4 days ago

Receive, screen and route telephone calls; greet and assist visitors; refer callers or visitors to appropriate staff members; take and relay messages; respond to requests, complaints and questions from the media, parents, legislators, education/business community, staff and the public, representing the Superintendent by phone and written communication including e-mail; interpret laws, rules, policies and regulations as needed. Input a wide variety of data into an assigned computer system; maintain automated files and records; create queries and generate a variety of computerized lists and reports; assure timely distribution and receipt of a variety of records and reports; assure accuracy of input and output data. ?

New!

Novato, CA1 day ago

$26–$36

As an Office Administrator at Bellows, you'll support daily operations by handling administrative tasks, coordinating with internal teams, and ensuring smooth communication across departments. Bellows Plumbing, Heating, Cooling & Electrical is growing and we're hiring an experienced in-office (not remote) Office Administrator to join our North Bay team.

Napa, CA20 days ago

$20–$22

This role is responsible for greeting visitors, checking in guests, answering questions, and providing administrative support in a fast-paced office environment. The ideal candidate is presentable, organized, comfortable working with computers, and experienced in a front desk or administrative support role.

Concord, California30+ days ago

Qualifications: Bachelors degree in finance, business or a related specialized area, with a minimum of 10 years of relevant experience in complex Government/DoD contracting; Training and professional certification from National Contract Management Association (NCMA) or other related professional development association is preferred; Must demonstrate strong attention to detail, and possess strong written and verbal communication skills; Excellent planning and time management skills; Must demonstrate a strong understanding of the Government competitive proposal process; Must demonstrate a strong working knowledge of FAR, DFARS, Data Rights and Intellectual Property issues; Proficient in the Microsoft Office Applications, particularly Microsoft Excel; Capable of handling several assignments concurrently, while still meeting deadlines; Must be willing to participate in any emergent role in a fast-paced environment; and Must be able to obtain and maintain a U.S. Security Clearance at the appropriate level. Provide advanced, hands-on administration and management of contracts (proposal submission through contract closeout); Provide hands-on administration and management of subcontracts (proposal submission through contract closeout); Lead the development of cost proposals in response to government and prime contractor requests for proposals requiring advanced skills in MS Excel; Support the negotiations of contracts with terms and conditions favorable to the company; Draft, review and support negotiations of various other agreements such as Non-disclosure Agreements, Teaming Agreements, License Agreements, etc.

Novato, CA30 days ago

Full-time

Globally recognized as a pioneer and leader in research targeting aging—the primary risk factor for diseases such as Alzheimer’s, Parkinson’s, cancer, macular degeneration, heart disease, and diabetes—the Buck Institute is working to help people live better longer. This senior-level role requires exceptional judgment, discretion, organization, and professionalism, along with the ability to anticipate needs, manage competing priorities, and support a fast-paced executive environment.

Berkeley, CA16 days ago

Perform a variety of administrative support duties in support of assigned office; receive telephone calls, greet visitors and provide information and assistance to students, parents, staff and the public; assist students and parents in completing forms; issue admit slips as needed . • Research, compile and verify a variety of data and information; merge a variety of data and computerized documents as needed; compute statistical information for various federal, State and District reports as necessary; purge and clean files as directed.

Vallejo, California30+ days ago

$20–$25

Comfortable using multiple digital platforms (i.e., Windows, Microsoft, Gmail, and Google Drive). Medical Assistance:Preparation: Prepare examination rooms and surgical areas for procedures, ensuring all necessary tools and supplies are available.

Napa, CA9 days ago

$18–$26 Per Hour

The Technical Operations & Employee Experience Intern supports the day-to-day operations of the office and assists the technical and employee experience teams with administrative, logistical, and organizational tasks. The intern will gain experience supporting internal teams, coordinating office activities, assisting with inventory and equipment preparation, and helping create a welcoming and engaging employee experience.

New!

Pleasant Hill, CA4 days ago

This role will regularly interact with the Chief Administrative Officer (CAO) to manage Board of Director communication, which includes scheduling meetings, inviting and scheduling SONC events, and providing administrative support to the President & CEO (CEO) and Chief Development Officer (CDO). Work with the SONC Leadership Team and HR on the planning, logistics, and execution of monthly All Staff meetings, the Annual All Staff Retreat and the annual Senior Leadership/Leadership Team retreat.

Vacaville, CA30+ days ago

$23–$26

The Customer Service Assistant plays a key role in ensuring accurate order handling, strong customer communication, and effective coordination between departments including Customer Service, Operations, and Quality Control. Experience Required:1-2 years of experience in office support, customer service, order processing, or quality related roles preferred.

Walnut Creek, California30+ days ago

$27–$33 Per Hour

ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). Track and document the petty cash/corporate credit card accounts by writing checks, requesting replenishments, reconciling bank and internal accounting balances.

Walnut Creek, California9 days ago

$60,000–$80,000 Per Year

Work in conjunction with office support staff to confirm desk areas are clean and prepared prior to a new hire starting and/or after an employee has moved offices or vacated an office. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents.

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Administrative Support Jobs in Sonoma, CA

RN - Administrative Supervisor - Inpatient - Part Time - 12 Hour - Nights John Muir Health

Administrative Support / Administrative Aide / Office Assistant Tekberry

Administrative Assistant - Grid Engineering Support Sargent & Lundy

Administrative Support - Scheduler TotalMed Staffing

Administrative Support - Vacaville #631 Les Schwab

Administrative Support - Windsor Hembree #635 Les Schwab

Administrative Assistant II (DCGC) Dry Creek Rancheria

Administrative Assistant - Temp Thrive Support Services, Inc.

Administrative Assistant Rimkus

Administrative Assistant Carriage Services

Administrative Assistant Touro University California

Administrative Assistant International Monetary Systems

Senior Administrative Assistant Compass Consulting

Administrative Assistant Tellus Solutions

Administrative Assistant RICHMOND MUSEUM ASSN

Real Estate Administrative Assistant TestHiring

Store Administrative Assistant Scandinavian Designs

Administrative Assistant DaVita

Seasonal, Operations Administrative Assistant H&R Block

Administrative Assistant VistAbility

Administrative Assistant/Front Desk (Medical Office) Flourish Research

Administrative Assistant Century Group

USA USD Admin Administrative Assistant Intermediate Adecco Colombia S.A.

Administrative Supervisor, Centralized Staffing Office, Per Diem, Variable Shift Marin Health

Nursing Administrative Supervisor Sutter Health

Front Office Staff (General Administrative) PREMIER ACADEMY WALNUT INC

Administrative Coordinator Skybridge Resources

Office Administrative Manager ECS Ltd

School to Community Liaison and Administrative Assistant SAN RAFAEL CITY SCHOOLS

Administrative Leadership Associate Northbay Healthcare

Administrative Assistant PTS Advance

Office Bookkeeper & Support Administrator (QBO experience required) GENOVA DELICATESSEN

Program Support Assistant II Turning Point Community Programs

Executive Assistant Bolt Staffing

Frontline Services Student Assistant-Physical Education and Aquatics Center PEAC Associated Students, Inc.

Office Administrator Anova Education

Business Office Assistant Tice Valley Post Acute

Office Administrator AlohaHP

Executive Assistant to the Superintendent Martinez Unified School District

Office Administrator - Home Services Bellows Plumbing, Heating, Cooling & Electrical

Front Desk Receptionist BOLT Staffing

Senior Contracts Administrator OOJ - 33740 Hatch Global Search

Executive Assistant to the CEO Buck Institute

Student Records Assistant Berkeley Unified School District

Assistant for Veterinarian New All Creatures Veterinary Hospital

Technical Operations & Experiences Intern Endsight

Executive Assistant Special Olympics Northern California

Customer Service Assistant BOLT Staffing

Office Administrator ECS Ltd

Senior Office Administrator Carollo Engineers Inc.

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