378 mechanical testing jobs at 167 companies in Simi Valley, CA
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Mechanical Test Engineer
Long Beach, California, United States
$85k-$175k/yrOnsiteFull Time
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.
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
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.
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.
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
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.
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.