67 trading assistant jobs at 30 companies in Windsor, CA
2w
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Maintenance Assistant
Richmond, California, United States
OnsiteFull Time
Perform janitorial and general maintenance of warehouse and grounds, operate floor-scrubbing machinery and equipment, perform routine repairs, assist with displays, and follow safety procedures.
1d
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Facilities Assistant
San Rafael, California, United States
$24/hr FieldFull Time
1+ YOERequires 1–2 years of building maintenance, construction, or facilities experience preferred; hand and power tool familiarity; California driver's license; clean driving record; background check; and ability to travel between sites.
hand tools, power tools, PPE, OSHA
1mo
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Mechanic Assistant
Vallejo, California, United States
$36/hr OnsiteFull Time
2+ YOE2–4 years mechanical experience preferred; experience with hydraulic equipment, welding, light fabrication, heavy equipment and industrial electrical systems; high school/GED preferred; valid driver's license and ability to obtain Class B CDL with airbrakes within 6 months.
3w
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Maintenance Assistant
Napa, California, United States
$19-$24/hr OnsiteFull Time
Experience with building maintenance, basic plumbing, electrical, HVAC and carpentry repairs preferred; ability to lift 50 pounds, use hand and power tools, and perform physical work throughout the day.
2w
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Maintenance Assistant
Napa, California, United States
OnsiteFull Time
Perform janitorial and general warehouse maintenance, operate floor-scrubbing and other equipment, perform routine repairs, maintain grounds, and drive personal vehicle to obtain supplies; open availability and proof of work authorization required.
5d
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Maintenance Assistant
Vallejo, California, United States
$24-$26/hr OnsiteFull Time
1+ YOEOne year in maintenance, carpentry, facility construction, plumbing, electrical, or appliance maintenance; ability to follow written and verbal instructions and work independently.
1w
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Warehouse Assistant
Benicia, California, United States
$22-$25/hr OnsiteFull Time
2+ YOEHigh school diploma, 2+ years warehouse or manufacturing and inventory management experience, basic math, problem solving, ability to follow instructions, forklift operation preferred.
1w
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Assistant Brewer
Santa Rosa or Petaluma
$22/hr OnsiteFull Time
Ability to clean and sanitize tanks, perform chemical titrations, handle raw brewing materials, lift up to 55 lbs, work weekends/evenings, follow SOPs, and work independently once trained.
decanter centrifuge, fan press
4w
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First Assistant Engineer - Training Ship Golden Bear
Vallejo, California, United States
$115k-$140k/yr OnsiteFull Time
USCG 1st Assistant or Chief Engineer license, STCW-95 endorsement, TWIC, USCG medical, US passport, strong communication, organization, and teamwork; bachelor’s in marine/mechanical engineering or equivalent experience preferred.
2mo
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Driller Assistant - Technician
Benicia or Alaska
$23-$25/hr FieldFull Time, Seasonal
High school diploma/GED, valid driver\u0019s license (Class A/B preferred), able to lift 50+ lbs, pass 10-panel drug test and fit-for-duty, willing to travel extensively, forklift/HAZWOPER/CPR/First Aid preferred.
1w
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Traveling Driller Assistant
Richmond, California, United States
$20-$26/hr FieldFull Time
No experience required; valid driver\u0003s license, DOT medical card, negative drug test and background check, ability to lift 50 lbs, HAZWOPER physical, willingness to travel frequently (70-80%).
1mo
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Yard Assistant I
Healdsburg, California, United States
$20/hr OnsiteFull Time
0+ YOE0–2 years industry experience preferred; ability to lift up to 75 lbs, operate yard equipment when trained, read/speak English, and perform physical outdoor yard work.
1mo
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Healthcare Assistant Superintendent - OSHPD
Vallejo or Sandy
$120k-$140k/yr OnsiteFull Time
2+ YOEBachelor's in construction management or equivalent experience; 2+ years on healthcare construction (OSHPD preferred); knowledge of codes/blueprints, construction processes, subcontractor scopes, and BIM360; strong communication and problem-solving.
BIM360
2d
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Electric Line Assistant
San Rafael, California, United States
$36/hr OnsiteFull Time
High school diploma or GED, age 18+, California Class C license, ability to obtain Class A credentials, lift 50 pounds, work flexible extended shifts, and wear personal protective equipment.
hand tools, portable power tools, all-terrain vehicles, hydraulic equipment, line truck, digger derrick, crane, forklift, computer, Personal Protective Equipment (PPE)
1mo
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Assistant Project Manager
St. Helena, California, United States
$64k-$85k/yr OnsiteFull Time
0+ YOE0-2 years field experience; proficient in Microsoft Word and Excel; able to read construction plans and specifications; knowledge of construction technology, scheduling, equipment, craft supervision; strong communication and attention to detail.
Microsoft Word, Microsoft Excel
2d
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Assistant Superintendent - San Rafael Construction (Job Site)
San Rafael, California, United States
$130k-$150k/yr OnsiteFull Time
2+ YOEHigh school diploma required, 2+ years of multifamily construction experience, English communication skills, and knowledge of construction procedures, building codes, scheduling, safety, and Microsoft Project, Word, and Excel.
Microsoft Project, Microsoft Word, Microsoft Excel, Procore, Textura
3w
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Assistant Facilities Manager
Santa Rosa, California, United States
$37-$43/hr OnsiteFull Time
3+ YOEAssociate's degree required, 3+ years facilities/property management experience, CMMS/work order experience preferred, strong financial and contract management skills, proficient with Microsoft Office and Yardi.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Yardi, CMMS, Building Management System
3w
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Maintenance Assistant Manager
Healdsburg, California, United States
$76k-$82k/yr OnsiteFull Time
3+ YOEHigh school diploma, 3–5 years facility maintenance or engineering experience (hospitality preferred), supervisory experience preferred, knowledge of HVAC/plumbing/electrical, CMMS experience preferred, ability to lift heavy items, flexible hours and on-call availability.
CMMS
1w
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Carpenter I (Plant Operations)
Napa County, California, United States
$5k-$6k/mo OnsiteFull Time, Temporary
Constructs, maintains, and repairs buildings and structures; selects materials, keeps records, prepares reports, and may lead unskilled assistants. Minimum qualifications are specified in the state classification specification.
401(k), 457 Deferred Compensation Plans
3mo
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Farm Crew
Marshall, California, United States
$22-$25/hr OnsiteFull Time, Seasonal
0+ YOEEntry-level oyster farm helper assisting with harvesting, planting, maintenance; outdoor work, teamwork, strong communication.
forklift, tractor, truck, boat, power tools
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