378 mechanical testing jobs at 167 companies in Simi Valley, CA

4w
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Mechanical Test Engineer
Long Beach, California, United States
$85k-$175k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
Bachelor's in mechanical/aerospace engineering, experience in mechanical systems test for aerospace/high-reliability systems, data analysis, test documentation, and U.S. citizenship; active clearance preferred.
LabVIEW, Python, MATLAB, CAD
7h
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Electro-Mechanical Technician
Pasadena, California, United States
$30-$40/hr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
2+ YOEHigh school diploma or GED plus relevant electro-mechanical assembly experience; 2+ years for Technician II or 5+ years for Technician III and Senior. Requires harness fabrication, soldering, testing, schematics, and Microsoft Office proficiency.
Microsoft Outlook, Microsoft Excel, Microsoft Word, NASA-STD-8739.3, IPC-610, J-STD-001, AS9100
1w
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Product Testing & Certification Engineer
Los Angeles, California, United States
$85k-$110k/yr OnsiteFull Time
Oldcastle BuildingEnvelope
Oldcastle BuildingEnvelope: Manufacturer and distributor of architectural glass and glazing systems.
Bachelor's in engineering (or equivalent), hands-on test rig experience, strong communication, ability to create test methods, and working knowledge of AutoCAD Mechanical/Inventor and Microsoft Office.
AutoCAD Mechanical/Inventor, Microsoft Office
1mo
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Mechanical Engineer
Torrance, California, United States
$100k-$155k/yr OnsiteFull Time
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
1+ YOEBachelor's in Mechanical Engineering, 1+ years relevant experience, proficiency with mechanical CAD and drawings, hands-on assembly and testing, able to lift 40 lbs, weekend flexibility, willingness to travel up to 50%, U.S. work authorization and eligibility for government clearance.
2w
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Mechanical Engineer, Components
El Segundo, California, United States
$115k-$150k/yr OnsiteFull Time
Forge Atomics
Forge Atomics: A developer of advanced reactor technology working to scale nuclear fission for reliable, low‑carbon energy.
1+ YOEBachelor's in mechanical engineering or related,1+ years designing and building mechanical hardware,experience with fluid/gas/thermal systems and test instrumentation.
pressure transducers, thermocouples, resistance temperature detectors, relays, solenoid valves
1w
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Mechanical Technician, Switchboards
Long Beach, California, United States
OnsiteFull Time
Giga Energy
Giga Energy: Manufactures electrical infrastructure and operates modular AI data centers.
Hands-on mechanical assembly and testing of switchboards, reading drawings, strict safety adherence, high school diploma, prior mechanic/assembler experience preferred.
2w
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Mechanical Technican
Pasadena, California, United States
$25-$30/hr OnsiteContract
Miso Robotics
Miso Robotics: Automates commercial kitchens using AI-powered robotic assistants.
Assembling, testing, and troubleshooting mechanical systems for robotic kitchen platforms; reading technical drawings; ability to lift 50 lbs; HS or trade school; familiar with MES and electrical schematics.
Manufacturing Execution System (MES), digital torque wrench, analog torque wrench
2mo
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Mechanical Engineer
Redondo Beach, California, United States
$70k-$100k/yr OnsiteFull Time
Mycronic
MycronicNasdaq Stockholm: MYCR: Develops and manufactures high-precision electronics production equipment.
0+ YOEBachelor's in Mechanical Engineering, 0–3 years experience, skilled with 3D CAD and 2D manufacturing drawings, BOMs and ECOs, test setup (thermal/structural), clear global communication, and U.S. work authorization.
3D CAD, 2D CAD, Bills of Materials (BOMs)
1mo
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Mechanical Test Engineer
Torrance or Hawthorne
$110k-$130k/yr OnsiteFull Time
Salient Motion
Salient Motion: Develops modular electromechanical actuation systems for aerospace and defense.
2+ YOEBS in mechanical/aerospace engineering, 2+ years qualification/environmental test experience, hands-on DO-160G and/or MIL-STD-810H testing, proficiency with test instrumentation and DAQ, technical writing, US Person status and international travel ability required.
DO-160G, MIL-STD-810H, load cells, accelerometers, data acquisition systems, electromechanical actuators, motors, gear trains, LRUs
2mo
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Sr. Mechanical Engineer - Avionics Mechanical Packaging - TeraWave
Seattle or Los Angeles or Denver
$145k-$203k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
10+ YOESenior mechanical engineer with 10+ years designing ruggedized avionics enclosures; leadership; CAD/FEA; environmental testing; cross-functional collaboration.
Creo, Ansys, Windchill, GD&T
3w
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Manager, Mechanical Engineering
Pasadena, California, United States
$142k-$189k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
8+ YOEDegree in Mechanical/Aerospace/Mechatronics/Robotics,8+ years mechanical engineering experience delivering high-reliability or spaceflight hardware,management experience,SolidWorks proficiency,and hands-on design, test, and integration skills.
SolidWorks
1w
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Senior Mechanical Engineer
Torrance, California, United States
$135k-$165k/yr OnsiteFull Time
Verustruct
Verustruct: Developing robotic construction systems to automate housing production.
7+ YOE7+ years mechanical design experience in robotics or complex hardware, strong CAD fluency (Siemens NX preferred), prototyping and test experience, understanding of mechanisms, materials, manufacturability, and deployment track record.
Siemens NX, CAD, FEA
1w
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Senior Mechanical Engineer
Torrance, California, United States
$129k-$177k/yr OnsiteFull Time
Divergent
Divergent: Develops digital manufacturing systems for complex vehicle structures.
Bachelor's in mechanical engineering, ability to develop complex mechanical systems from concept through release, hands-on prototyping and testing, strong CAD/GD&T/tolerance skills, and ability to lead cross-functional technical work.
Siemens NX, Teamcenter
1w
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Mechanical Engineer 2
Simi Valley, California, United States
$85k-$141k/yr OnsiteFull Time
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
3+ YOEBachelor's in mechanical/aerospace engineering and 3+ years related experience; proficiency with engineering design/analysis, drawings, testing, V&V, and technical communication.
3w
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Mechanical Engineer II
Redondo Beach, California, United States
$110k-$140k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
3+ YOEBachelors in engineering,3+ years mechanical design experience,proficiency in CAD,FEA,and hardware fabrication/testing; strong communication and cross-team collaboration skills.
CAD, Finite Element Analysis (FEA), GD&T
1mo
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Founding Mechanical Engineer
Los Angeles, California, United States
$135k-$215k/yr HybridFull Time
Pillar Space
Pillar Space: Building high-stakes, flight-grade autonomous space hardware systems.
2+ YOEBachelor's in mechanical/aerospace engineering, 2+ years designing and testing complex mechanical or electromechanical hardware, proficiency with professional CAD (NX, CATIA, Creo, SolidWorks), hand calculations, tolerance analysis and FEA, GD&T and ASME Y14.5 familiarity, hands-on prototyping experience.
NX, CATIA, Creo, SolidWorks, PLM
2mo
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Mechanical Engineering Manager
El Segundo, California, United States
$160k-$220k/yr OnsiteFull Time
The Advanced Manufacturing Company of America
The Advanced Manufacturing Company of America: Manufacturer of critical components for aerospace and defense platforms.
Lead mechanical engineering across design, build, and test; manage and grow engineers; ensure design reviews, qualification testing, and DFM standards.
Siemens NX, FEA, Pressure transducers, Thermocouples, RTDs, Solenoid valves
2d
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Mechanical Technician - Powerplant
Long Beach, California, United States
OnsiteFull Time
Odys Aviation
Odys Aviation: Develops hybrid-electric vertical takeoff and landing aircraft.
High school diploma required; experience with electric propulsion, hybrid powerplant systems, soldering/crimping, harness building, and standard test equipment; ability to read schematics and mechanical drawings.
torque wrench, saw, drill, soldering iron, multimeter, oscilloscope, milliohm meter, forklift, gantry crane
2d
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Mechanical Engineer II
Sylmar, California, United States
$82k-$141k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
3+ YOEBachelor in Mechanical Engineering or equivalent, minimum 3 years engineering experience, SolidWorks/CAD proficiency, ability to design and test medical device sub-assemblies, knowledge of FDA/ISO quality and regulatory requirements.
SolidWorks, CAD
1mo
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Staff Mechanical Engineer
Woodland Hills, California, United States
$161k-$241k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOESTEM degree with 8–12+ years experience (depending on degree), Secret security clearance and US citizenship required, expertise with Siemens NX and GD&T, mechanical testing/qualification experience, and mentoring experience.
Siemens NX, Teamcenter