2w
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Construction Materials Testing Technician Level I/II
Hayward or Stockton or Fresno
$25-$33/hr FieldFull Time
1+ YOEAbility to perform field and lab construction materials testing, lift up to 50+ lbs, operate testing equipment, hold multiple field certifications (ACI, Caltrans, NICET, etc.), and travel throughout Northern California.
ultrasonic non-destructive testing machine, concrete cylinder press
2d
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Postdoctoral Researcher – Battery Materials & Electrochemical Energy Storage
Berkeley, California, United States
$84k-$94k/yr OnsiteFull Time
Ph.D. in chemistry, chemical engineering, materials science or related; hands-on battery materials synthesis, cell assembly, electrochemical testing, and structural characterization; strong record of publication and data management.
Python, MATLAB, X-ray diffraction, electron microscopy, X-ray photoelectron spectroscopy (XPS), glovebox, galvanostatic cycling, impedance spectroscopy, synchrotron
2d
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Postdoctoral Researcher – Battery Materials & Electrochemical Energy Storage
Berkeley, California, United States
$84k-$94k/yr OnsiteFull Time
PhD in chemistry, chemical engineering, materials science or related; hands-on experience with battery material synthesis, cell assembly, electrochemical testing, glovebox operation, and structural characterization; strong communication and data management skills.
Python, MATLAB, glovebox, X-ray diffraction, electron microscopy, X-ray photoelectron spectroscopy, synchrotron
1w
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PBF Martinez
Martinez, California, United States
$26-$31/hr OnsiteFull Time
Operate and monitor plant equipment, load trucks, perform material testing and sample collection; basic computer and organizational skills.
2mo
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Nitrous Oxide Plant Operator - Richmond, CA
Richmond, California, United States
$43/hr OnsiteFull Time
Operate nitrous oxide production facility, test and release materials, monitor processes, maintain records, ensure safety and regulatory compliance.
Gas chromatography, Analytical methods, Instruments and test equipment, Basic computer skills
3w
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Part Time - Anthropology Instructor
Marysville, California, United States
$2k-$3k/hr OnsitePart Time
Master's in Anthropology or Archaeology OR Bachelor's in those plus a Master's in related fields or equivalent; fingerprint clearance and TB test required; submit transcripts and application materials.
1w
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Shop Technician
Sacramento, California, United States
$34-$45/hr OnsiteFull Time
5+ YOE5+ years diagnosing and repairing heavy/material handling equipment, basic computer knowledge, self-motivated, must provide own tools; drug test required.
1w
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Shop Technician
Sacramento, California, United States
$34-$45/hr OnsiteFull Time
5+ YOE5+ years diagnosing and repairing material handling or construction equipment, basic computer knowledge, must provide own tools, pass pre-employment drug test.
1w
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CARPENTER HELPER
Roseville, California, United States
$20-$28/hr OnsiteFull Time
Assist carpenters with layout, fastening, blocking, sheathing, cleaning, and material handling; must pass drug test and be able to travel to job sites and lift heavy loads.
3d
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Design Engineer - 9541
Stockton, California, United States
$78k-$100k/yr OnsiteFull Time
MacLean Power Systems: Manufactures engineered components for electrical and telecommunications infrastructure.
2+ YOEBachelor's degree and 2+ years experience; proficiency with CAD; ability to design, model, test prototypes; knowledge of materials, production criteria, and 5S; communication and leadership skills.
CAD
3d
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Design Engineer - 9541
Stockton, California, United States
$78k-$100k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2–4 years experience; ability to design, model, test prototypes, create drawings, select materials, and use CAD; strong technical, planning and communication skills.
CAD
2mo
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Assistant High School Athletic Director- Leroy Greene Academy -2026-2027
Sacramento, California, United States
OnsitePart Time
2+ YOETwo years coaching experience; strong organizational and communication skills; CPR/First Aid; TB test; fingerprinting; three references; completion of required materials before coaching begins.
2mo
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Senior Construction Inspector
Lodi, California, United States
$37-$57/hr OnsiteFull Time
4+ YOEHigh school diploma; associates preferred; 4-6 years construction inspection; valid driver’s license; multiple certifications in materials testing, geotechnical, and inspection; internal safety certifications.
6d
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Production Operator
Stockton, California, United States
$27/hr OnsiteFull Time
Operate and oversee processing equipment, perform tests and quality checks, troubleshoot and resolve equipment issues, maintain production logs, and follow safety procedures; forklift and material handling experience preferred.
1mo
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Senior Chemical Engineer
Berkeley, California, United States
$112k-$140k/yr OnsiteFull Time
3+ YOEPhD or MS with 3+ years experience in chemistry/chemical engineering/materials science; expertise in fluid mechanics, fluid handling, sensor selection, modeling, verification testing, and defining engineering requirements.
1w
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Dock Worker - Sacramento, CA
Sacramento, California, United States
$25-$28/hr OnsiteFull Time
Must be 18+, able to read/write/speak English, complete drug screen and background check, pass forklift driving test and new-hire trainings, physically able to lift and move materials.
forklift, pallet jack, hand truck
1mo
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Asphalt Specialist
Vallejo, California, United States
$90k-$104k/yr OnsiteFull Time
High school diploma required (bachelor's in engineering/geology preferred). Preferred 5 years construction materials testing experience (aggregates, asphalt, ready-mix). Must be able to perform ASTM/AASHTO/DOT tests, travel as needed, lift up to 50 lbs, and hold a valid driver’s license.
Microsoft Office Suite, Google, Oracle Business Environment
1w
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Instructional Assistant (TK emphasis)
Roseville, California, United States
$18-$23/hr OnsitePart Time
Assist instruction and supervise students, prepare materials, perform clerical duties, monitor progress, follow school discipline and safety policies; ability to lift up to 25 lbs and pass a standardized proficiency test.
1mo
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CTE Intern
Santa Rosa, California, United States
$21/hr OnsiteInternship
High-school senior eligible to graduate; willingness to learn, positive attitude, attention to detail, teamwork, and shift flexibility. Performs materials handling, assembly, test/repair, quality inspection, and ERP data entry.
ERP, Shop Floor Control Production/Test tracking system
3d
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Class A Delivery Driver
Sacramento, California, United States
$350/day FieldFull Time, Part Time
1+ YOEValid CDL-A, DOT health card, 1+ year commercial driving experience, clean MVR, pass drug/background/road tests, ability to lift heavy cases and use material-handling equipment.