239 operations assistant jobs at 120 companies in Windsor, CA

2mo
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Operations Assistant - Richmond
Richmond, California, United States
OnsiteFull Time
UniUni
UniUni: Provides technology-driven last-mile delivery services for e-commerce businesses.
Experience in logistics, last-mile operations, or dispatch coordination preferred. Familiar with DSP model and driver performance management. Strong problem-solving and multitasking in a fast-paced environment. Proficient in Excel and dispatch systems; bilingual preferred.
Excel, Dispatch systems
1mo
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Seasonal, Operations Administrative Assistant (Part Time)
Santa Rosa, California, United States
$18-$28/hr OnsitePart Time, Seasonal
H&R Block
H&R Block: A tax preparation providing tax and related financial support services.
Provide administrative and operational support across districts; assist with hiring/onboarding, vendor coordination, supply management, invoices, and use Microsoft Teams/Office (including Copilot) and internal systems.
Microsoft Teams, Microsoft Office, Microsoft CoPilot, Microsoft Windows
4w
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Assistant Director, Laboratory Operations Management
San Rafael, California, United States
OnsiteFull Time
Kaiser Permanente
Kaiser Permanente: Provides integrated medical care and health insurance plans.
8+ YOE5+ MgmtLeads clinical laboratory operations, quality, compliance, training and budgeting. Requires California clinical laboratory license (one of specified types), bachelor\u0002s in medical lab science or equivalent with 8+ years experience (or 11+ years without), and 5+ years leadership.
1mo
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Seasonal, Operations Administrative Assistant (Part Time)
Santa Rosa, California, United States
$18-$28/hr OnsitePart Time, Seasonal
H&R Block: A tax preparation and financial services providing support and operational services across local districts.
1+ YOEHigh school diploma, 1+ years administrative experience, customer service skills, Microsoft Teams/Office/Copilot and Windows familiarity, onboarding and hiring support, invoice and vendor coordination, strong communication and problem-solving skills.
Microsoft Teams, Microsoft Office, Microsoft CoPilot, Microsoft Windows
1mo
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Seasonal, Operations Administrative Assistant (Part Time)
Vallejo, California, United States
$19-$29/hr OnsiteMultiple Commitments Available
H&R Block
H&R BlockNYSE: HRB: Provides income tax preparation and small business financial services.
High school diploma or equivalent; customer service and administrative experience; strong communication, organization, problem-solving skills; ability to learn Windows and Microsoft applications; experience with onboarding and applicant tracking preferred.
Microsoft Teams, Microsoft Office, CoPilot, Windows
3mo
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Assistant General Manager
Corte Madera, California, United States
$24-$26/hr OnsiteFull Time
Boudin Bakery
Boudin Bakery: Operates bakery-cafes specializing in San Francis sourdough bread products.
Assist GM to maximize operations and profitability; ensure service excellence and staff development; support sales targets.
2w
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2026 Mill Valley Film Festival Assistant Theater Operations Manager
San Rafael, California, United States
$1k/wk HybridFull Time, Seasonal
California Film Institute
California Film Institute: Promotes film arts through festivals, education, and cinema exhibition.
Supervisory experience in event or venue operations, strong organization and communication, proficiency in Asana, Excel, Word, FileMaker Pro, Google Workspace; reliable transportation and smartphone; availability nights and weekends during festival.
Asana, Microsoft Excel, Microsoft Word, FileMaker Pro, Google Workspace
1mo
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Assistant Manager (Larkspur Landing Cinema)
Petaluma, California, United States
$24-$26/hr OnsitePart Time
Cinema West
Cinema West: Independent movie theater chain offering film screenings and upscale dining.
1+ YOE1+ MgmtAssist in daily theater operations, guest service, scheduling, training, and supervising staff; requires evening/weekend availability and prior supervisory experience.
POS system, Cash handling, Microsoft Office
1mo
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Operations Associate, C&B
Corte Madera, California, United States
OnsitePart Time
Crate and Barrel
Crate and Barrel: Retails furniture, kitchenware, and home decor products.
Maintain stockroom, process incoming/outgoing packages and customer pickups, perform inventory duties, execute visual merchandising, assist customers and operate POS/AS400 and related store systems.
Point of Sale (POS) system, AS400, company email system, learning management system, telephone/intercom system, copier, fax machine, SKU tagger gun, tagger gun, tape machine, hand truck/dolly, baler, calculator, electronic two-way radio
2mo
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Dental Assistant
Santa Rosa, California, United States
$21-$28/hr OnsiteFull Time
InterDent
InterDent: Provides business and administrative support services to dental practices.
High School diploma or equivalent; dental assisting program certificate; valid CPR/BLS; board-approved 8-hour infection control course.
1mo
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Assistant Manager
Rohnert Park, California, United States
$19-$22/hr OnsiteFull Time
Planet Fitness - IL/PA Rufo Group
Planet Fitness - IL/PA Rufo Group: Fitness club franchise offering Judgement Free Zone experience.
Customer service, supervisory experience, CPR certification, high school diploma, 18+, familiarity with Planet Fitness operations, basic computer skills.
Microsoft Office
6d
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Assistant Manager
Novato, California, United States
$31-$39/hr OnsiteFull Time
PDS Health
PDS Health: Provides administrative and business support services to dental practices.
High school diploma/GED; supervisory experience; knowledge of dental or insurance operations preferred; strong communication, organizational, financial and process skills.
6d
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Assistant Manager
Novato, California, United States
$31-$39/hr OnsiteFull Time
PDS Health
PDS Health: Provides business and administrative support services to dental practices.
High school diploma/GED required; prior coursework or training in dentistry, insurance, or business preferred; strong leadership, financial acumen, communication, and operational skills.
iCIMS
3mo
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Assistant Community Manager - Sundance Apartments
Vallejo, California, United States
$25-$28/hr OnsiteFull Time
Greystar
Greystar: Provides global property management and real estate investment services.
1+ YOEAssist Community Manager with financial operations, rent collection, reporting; 1-3 years property management; bachelor’s degree; strong communication; proficient in Yardi/OneSite/Entrata; valid driver’s license.
Yardi, OneSite, Entrata, Microsoft Excel
2w
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Retail Photo Operations Assistant Manager - Jelly Belly
Fairfield, California, United States
$19/hr OnsitePart Time
Magic Memories
Magic Memories: Captures and sells personalized media at global tourist attractions.
1+ YOE1+ MgmtHigh school diploma/GED, 1+ year people management experience (or equivalent), guest service or retail experience preferred, leadership and coaching skills, strong communication, availability for weekends/evenings/holidays, background check required.
2mo
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HR Assistant
Kentfield or San Francisco
$26-$33/hr OnsiteFull Time
American Advanced Management
American Advanced Management: Operates long-term acute care and rural hospitals in California.
Assist HR operations, onboarding, payroll support, compliance, and records management.
HRIS, Payroll software, Microsoft Office
1mo
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Assistant Store Manager
Fairfield, California, United States
$70k/yr OnsiteFull Time
Goodwill of the San Francisco Bay
Goodwill of the San Francisco Bay: Operates thrift shops to fund local workforce development programs
1+ YOE1+ MgmtLeads store operations, manages staff, oversees customer service, and drives sales and budget adherence. Requires retail management experience and strong communication.
Microsoft Office
1mo
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Assistant General Manager
Fairfield, California, United States
$70k-$75k/yr OnsiteFull Time
7 Flags Car Wash
7 Flags Car Wash: Operates customer-facing service locations and focuses on site-level leadership, safety, and operational performance.
High school diploma or equivalent; demonstrated leadership and operations experience; valid driver’s license, reliable transportation, ability to travel between locations; strong communication, organizational, and problem-solving skills.
2w
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Full-Time Assistant Manager
Napa, California, United States
$20-$23/hr OnsiteFull Time
Cinemark
CinemarkNYSE: CNK: Operates an international chain of motion picture movie theaters.
Manage theatre operations and staff, ensure policy compliance, train employees, perform cash handling, complete required MAP courses, obtain local food/alcohol certifications, and work flexible hours including evenings, weekends, and holidays.
Convercent
2mo
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Lead Front Bar / Executive Assistant (Dual Role)
Corte Madera or San Francisco or Santa Rosa
$24-$26/hr OnsiteFull Time
FACE FOUNDRIÉ
FACE FOUNDRIÉ: Operates a modern facial bar providing accessible skincare services.
1+ YOELead Front Bar operations, support executive leadership, and assist with marketing/events; 1–2 years leadership/marketing experience; travel between locations; evenings/weekends.