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71 assembler mechanical jobs at 49 companies in Napa, CA

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Electro-Mechanical Assembler II
Concord, California, United States
$23-$24/hr OnsiteFull Time
EMCORE Corporation
EMCORE Corporation: Design and manufacture of inertial navigation and sensing solutions.
1+ YOEHigh school diploma, 1-3 years soldering or precision assembly experience, microscope work, basic verbal and reading skills, able to follow standardized work and Kan Ban processes.
jewelers' screwdriver, tweezers, cutters, soldering iron, microscope, cure ovens, QRS11, plasma cleaners, ASIC tester, Kan Ban
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Assembler
Dixon, California, United States
$28/hr OnsiteFull Time
Goodwill of the Heartland
Goodwill of the Heartland: Non-profit providing job training and community employment services.
High school diploma/GED required; experience or vocational training in mechanical, electrical, hydraulics, or welding; basic computer skills; ability to read, write, and comprehend; blueprint reading preferred.
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Mechanical Engineer
San Francisco, California, United States
$115k-$150k/yr OnsiteFull Time
Ouster
OusterNASDAQ: OUST: Designs and manufactures high-resolution digital lidar sensors.
Bachelor's in Mechanical Engineering, experience with multi-domain mechanical systems, SolidWorks and CAD proficiency, hands-on assembly and failure analysis, GD&T/FEA/CFD familiarity and Python scripting preferred; occasional travel.
SolidWorks, CAD, FEA, CFD, Python
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Mechanical Engineer
Alameda, California, United States
$120k-$150k/yr OnsiteFull Time
Longshot Space Technologies
Longshot Space Technologies: Developing ground-based kinetic launch systems for hypersonic and space applications.
0+ YOE0–3 years hands-on test/design/manufacturing or R&D experience; Bachelor's in Mechanical/Aerospace/Systems engineering preferred; experience with high-pressure gas/fluid systems, hardware assembly/testing, documentation, and debugging embedded firmware.
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Mechanical Engineer III
Hayward, California, United States
$95k-$140k/yr OnsiteFull Time
Gaumer Process
Gaumer Process: Manufacturer of electric heaters and engineered process systems.
Hands-on mechanical design and 3D modeling for thermal assemblies, prototype build/test, manufacturing drawings with GD&T, supplier management, and mentoring junior engineers.
SolidWorks, Autodesk Inventor, Solid Edge, COMSOL, ANSYS, AutoCAD Electrical, SPC
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Senior Mechanical Engineer
Cambridge or San Francisco or Boston
OnsiteFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
Multiple years of mechanical engineering experience with systems thinking, hands-on prototyping, product lifecycle experience, ability to lead design of complex assemblies, strong cross-functional communication and mentorship; bachelor's or master's preferred.
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Senior Mechanical Engineer (Actuators)
San Francisco, California, United States
OnsiteFull Time
Foundation Robotics
Foundation Robotics: Building general-purpose humanoid robots for industry and defense.
3+ YOE3+ years designing high-precision rotational/mechanism assemblies; degree in mechanical engineering or related; strong statics, dynamics, controls, electromagnetism; experience with thermal analysis, FEA, 3D CAD, prototyping, and reliability testing.
FEA, 3D CAD
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Mechanical Engineer II
Sacramento, California, United States
$125k-$150k/yr OnsiteFull Time
Spencer Composites
Spencer Composites: Designs and manufactures high-performance composite structures and components.
5+ YOEBachelor's in Mechanical Engineering, 5+ years design and fabrication experience, 5+ years SolidWorks and PDM experience, hands-on assembly/troubleshooting, strong analysis skills; must be a U.S. Person and able to obtain Secret clearance.
SolidWorks, PDM
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2mo
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Mechanical Technician III
Martinez, California, United States
$45-$50/hr OnsiteFull Time
EUV Tech
EUV Tech: Manufactures metrology tools for extreme ultraviolet semiconductor manufacturing.
5+ YOE5+ years as Mechanical or Engineering Technician; clean room semiconductor experience; ultra-high vacuum assembly/testing; precision tool use (CMM/oscilloscope); read diagrams; lift up to 50 lbs; mentor teammates.
CMM, oscilloscope, diagnostic test equipment, precision measuring devices
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Mechanical Engineer – Field Integrations
Alameda, California, United States
$115k-$125k/yr FieldFull Time
Rondo Energy
Rondo Energy: Manufactures thermal batteries for industrial zero-carbon heat delivery.
3+ YOEBachelor's in Mechanical/Manufacturing Engineering, 3–8 years developing manufacturing/assembly/installation processes, strong SolidWorks and geometric tolerancing skills, cross-functional experience.
SolidWorks, MBOM
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Truck Assembler Technician - IMT Mechanic Trucks
West Sacramento or Sacramento
$22-$28/hr OnsiteFull Time
Interstate Companies
Interstate Companies: Sells and services commercial vehicles and industrial power systems.
1+ YOE1+ year experience in automotive or heavy-equipment assembly or mechanics preferred; high school diploma/GED; able to lift 50-75 lbs; read blueprints and electrical schematics; use hand and power tools; diagnostic computer use; must supply basic hand tools.
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Electro-Mechanical Assembly Technician
Sacramento, California, United States
OnsiteFull Time
Qnetic
Qnetic: Manufacturer of grid-scale mechanical flywheel energy storage systems.
7+ YOE7+ years assembling and maintaining heavy equipment; ability to read electrical/mechanical/vacuum schematics, use hand/power/soldering/precision tools, troubleshoot mechanical and electrical faults, and lift heavy parts.
hand tools, power tools, soldering equipment, precision measurement tools
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Appliance Assembler - Entry Level
Oakland, California, United States
$47k-$54k/yr OnsiteFull Time
Auto-Chlor System
Auto-Chlor System: Provider of commercial dishwashing systems and chemical sanitation solutions.
No prior industry experience required; valid driver's license held ≥3 years; willing to participate in background check and drug screen; able to learn mechanical and hand-tool skills.
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Mechanical Engineer, RF Systems
South San Francisco, California, United States
OnsiteFull Time
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
Mechanical design for antenna and RF assemblies, CAD and GD&T, RF fundamentals, materials selection, environmental and structural analysis, prototype and supplier integration, hands-on lab work and field investigations.
CAD, Vector Network Analyzer, Anechoic chamber
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Mechanical Engineer II- Spencer Composites
Sacramento, California, United States
$125k-$150k/yr OnsiteFull Time
X-Bow Systems
X-Bow Systems: Manufactures 3D-printed solid rocket motors and launch systems.
5+ YOEBachelor's in Mechanical Engineering, 5+ years designing and fabricating mechanical systems, 5+ years SolidWorks and PDM experience, tooling and fixture design/testing, strong analysis (stress/fluid/thermal), hands-on electro/mechanical assembly, must be a U.S. Person (ITAR).
SolidWorks, PDM
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Appliance Assembler - Entry Level
Oakland, California, United States
$23/hr OnsiteFull Time
Auto-Chlor System
Auto-Chlor System: Leases commercial dishwashers and provides chemical sanitation services.
No prior industry experience required; valid driver's license (3+ years), ability to use hand tools, mechanical aptitude, dependable, and willing to participate in occasional on-call rotation. Paid hands-on training provided.
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Electro-Mechanical Assembly Technician
Alameda, California, United States
$28-$39/hr OnsiteFull Time
Pyka
Pyka: Designs and manufactures autonomous electric aircraft for heavy-duty missions.
3+ YOE3+ years wiring harness and electromechanical assembly experience, soldering and bench testing with multimeter/oscilloscope, ability to follow schematics/work instructions and meet IPC/WHMA-A-620 quality standards.
digital multimeter, oscilloscope, power supply, IPC/WHMA-A-620, 38999, Deutsch, Bulgin, M12
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Fall '26 Intern - Mechanical Engineering
San Francisco, California, United States
OnsiteMultiple Commitments Available
Moss
Moss: Builds robots to scan trees for automated farm inventory.
Hands-on hardware projects, structural analysis and failure-mode knowledge, CAD and FEA proficiency, GD&T understanding, sensor/power integration experience, and prototyping/assembly skills.
CAD, FEA, GD&T
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INDUSTRIAL MECHANIC III
Caguas or Boston or San Francisco or United States or Puerto Rico or Dominican Republic or Mexico or Germany or Canada or South America
OnsiteFull Time
Mentor Technical Group
Mentor Technical Group: Provides engineering, compliance, and facility technical support services.
3+ YOEAssociate degree or high school diploma plus 3 years mechanical experience; ability to lift 25–50 lbs; mechanical diagnostics, repair, lubrication, assembly, and blueprint reading skills.
voltmeters
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Manufacturing Test Engineer (Electro-Mechanical Systems)
Hayward, California, United States
$100k-$125k/yr OnsiteFull Time
Pulse Biosciences
Pulse BiosciencesNasdaq: PLSE: Develops bioelectric medicine for non-thermal cell ablation procedures.
2+ YOEBachelor's in electrical engineering or related, 2+ years manufacturing experience (1+ in regulated industry), bench test and assembly/test skills, IEC 60601 and FDA/ISO knowledge, Python/MatLab/LabVIEW desired, domestic travel ability.
Python, MatLab, LabVIEW, DMM, RTA, Oscilloscope, Power Supply, Signal Generator, ERP, PLM, Microsoft Word, Microsoft Excel, Microsoft Project, Microsoft PowerPoint, Microsoft Visio
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