65 prep operator jobs at 22 companies in Petaluma, CA

2d
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PREP
Berkeley, California, United States
$20-$25/hr OnsitePart Time
Mendocino Farms
Mendocino Farms: Operates a gourmet sandwich and salad restaurant chain.
Prepare sandwiches and salads, assist with kitchen prep and operations; must be 18+, hospitable, flexible to work nights/weekends/holidays.
1mo
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Prep Cook
San Francisco, California, United States
$20/hr OnsitePart Time
Equator Coffees
Equator Coffees: Roasts and retails specialty coffee through cafes and wholesale.
Maintain current state Food Handler Card; some food prep experience preferred; must be 16+; ability to stand for hours, lift up to 25 lb, follow recipes, operate ovens, and adhere to food safety and knife procedures.
1mo
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PREP COOK (FULL TIME)
Hayward, California, United States
$26-$28/hr OnsiteFull Time
Compass Group
Compass GroupLondon Stock Exchange: CPG: Provides contract food and support services globally.
Previous cooking and prep experience required; follows recipes, production sheets, HACCP and health/sanitation procedures; able to operate and clean kitchen equipment.
2mo
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Prep Production
San Francisco, California, United States
$24-$26/hr OnsiteFull Time
ISS
ISSNasdaq Copenhagen: ISS: Global provider of facility management and workplace services.
Cook meals to client standards; operate kitchen equipment; ServSafe or Food Handler Certification; ability to work Mon-Fri 7:00 am-3:30 pm; 24-26 USD per hour.
Chefs' knives, Convection ovens, Rotating rack ovens, Meat slicer, Steamers, Mandolins, Grills, Broilers
2mo
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Shift Leader
Danville, California, United States
$15-$17/hr OnsitePart Time
Vitality Bowls
Vitality Bowls: Fast-casual superfood café chain specializing in açaí bowls.
Lead shift operations, manage team, ensure food prep accuracy, handle POS and cash, provide customer service.
POS system
3w
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Executive Operations Partner
San Francisco, California, United States
OnsiteFull Time
Factory
Factory: Autonomous AI agents that automate software engineering tasks.
Highly organized executive support with calendar, travel, meeting prep, expense, and logistics management; proactive, strong communication, stakeholder management, and tech-savvy (Slack, Notion, Salesforce, Ramp).
Slack, Notion, Salesforce, Ramp
3w
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Scientific Operations Associate
San Francisco, California, United States
$95k-$120k/yr OnsiteFull Time
Merge Labs
Merge Labs: Developing high-bandwidth non-invasive brain-computer interfaces using biotechnology.
Hands-on wet-lab experience (sterile technique, cell culture, reagent prep, protein purification), ability to write/follow SOPs, QC skills, organization, and collaboration across science and operations.
2d
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COOK
Berkeley, California, United States
$20-$25/hr OnsitePart Time
Mendocino Farms
Mendocino Farms: Fast-casual restaurant chain selling chef-driven sandwiches and salads.
Must be 18+, prepare sandwiches and salads, assist with prep and kitchen operations, flexible to work nights/weekends/holidays, hospitable attitude and strong guest focus.
2mo
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Dishwasher
San Francisco, California, United States
$20/hr OnsiteFull Time
The ONE Group
The ONE GroupNASDAQ: STKS: Operates global upscale restaurant brands and provides hospitality services.
0+ YOEPerforms dishwashing and kitchen cleaning duties, operates dish machine, maintains sanitary conditions, basic food prep knowledge preferred, eligible to work in the U.S.
1w
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Service Deli Clerk
South San Francisco, California, United States
OnsiteFull Time
Costco Wholesale
Costco WholesaleNASDAQ: COST: Operates membership-only warehouse clubs selling a variety of goods.
Preparing, packaging and labeling deli products; following food safety and sanitation procedures; operating rotisserie and prep equipment; restocking and rotating inventory; cleaning and preventive maintenance.
1w
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Dishwasher
Point Reyes Station, California, United States
$23/hr OnsiteFull Time
Olema House
Olema House: Boutique hotel and event venue in Point Reyes, California.
Open availability including weekends and holidays required; experience preferred but will train. Must operate dishwashing machinery, follow cleaning schedules, read prep lists, and communicate in English.
1w
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Assistant Manager(07903) - 2521 N. Main St.
Walnut Creek, California, United States
OnsiteFull Time
Domino's
Domino'sNASDAQ: DPZ: Global pizza chain providing delivery and carryout services.
Must be 16+; operate equipment, take and process orders, handle cash, stock and lift up to ~50 lbs, communicate with customers and coworkers, perform cleaning and food prep duties.
Computer, Telephone, Calculator, TDD equipment, Pizza cutter, Pizza peel
1w
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Research Assistant
Berkeley, California, United States
$24-$25/hr OnsiteFull Time
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory: Conducts multidisciplinary scientific research for the U.S. Department of Energy.
Perform mass spectrometry sample prep, operate and maintain MS and LC instruments, process LC‑MS datasets, and present results; strong lab instrumentation troubleshooting and communication skills required.
Orbitrap, Thermo Fisher Scientific mass spectrometry data analysis software, Python, Adobe Photoshop, WordPress, Microsoft Office Suite
1w
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Service Deli Clerk
South San Francisco, California, United States
OnsiteFull Time
Costco
CostcoNASDAQ: COST: Operates a global chain of membership-only warehouse clubs.
Preparing and packaging deli foods, following sanitation and safety procedures, operating rotisserie and prep equipment, restocking and rotating product, and providing member service; open availability and proof of work authorization required.
manual wrapping machine, commercial rotisserie oven, combi oven, commercial dishwasher, low-pressure washer
1mo
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Team Member
Fairfield, California, United States
OnsitePart Time, Full Time
Jack in the Box
Jack in the BoxNASDAQ: JACK: Operates a chain of fast-food hamburger restaurants.
0+ YOEMust be at least 16; guest service or food prep experience helpful; able to stand most of shift, lift 15-25 lbs, read orders, operate POS, and communicate clearly in English.
POS system, video monitor
2w
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Sales associate - Full time
Fairfield, California, United States
$17-$18/hr OnsiteFull Time
7 Flags Car Wash
7 Flags Car Wash: A customer-facing operations site providing vehicle services and membership programs.
Perform vehicle prep/detailing, operate tunnel controls, handle cash and POS transactions, support membership sales, and maintain site safety; reliable attendance and strong customer service skills required.
POS
1mo
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Cajero
San Francisco, California, United States
$20/hr OnsitePart Time
Pollo Campero
Pollo Campero: Quick-service restaurant chain specializing in Latin-style chicken meals.
Provide friendly guest service, take and verify orders, operate POS and cash register, handle cash accurately, know menu items, assist with basic food prep, and follow safety procedures.
POS
1mo
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Team Member
Pleasant Hill, California, United States
OnsiteFull Time, Part Time
Fresh Dining Concepts
Fresh Dining Concepts: Operates franchised quick-service restaurant locations across the United States.
0+ YOEProvide friendly guest service, prep and serve menu items, operate fryers and POS, maintain cleanliness, lift up to 50–75 lbs, be at least 16, and work flexible hours including nights and weekends.
POS Systems, Point of Sale
3d
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Sterile Processing Tech 3 - ML
San Francisco, California, United States
$42-$52/hr OnsiteFull Time
University of California, San Francisco
University of California, San Francisco: Public research university dedicated to health sciences and education.
3+ YOECRCST/IAHCSMM/CBSPD certification, 3+ years sterile processing experience, knowledge of decontamination, assembly, sterilization, QC, distribution, case cart prep, ability to operate sterilization equipment, lift 50 lbs, and strong communication skills.
Windows, SPD Information system
1mo
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Team Member
Greenbrae, California, United States
$20/hr OnsitePart Time
Jamba
Jamba: Specializes in freshly blended smoothies, juices, and snack bowls.
Must be 16+, able to lift 30–40 lbs, operate register and blenders, complete food handler course, basic Microsoft/computer skills, stand and perform physical food-prep tasks, and deliver excellent customer service.
Microsoft, cash register, blender, food preparation machinery