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308 mechanical systems engineer jobs at 131 companies in Simi Valley, CA

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Mechanical Systems Engineer III
Denver or Littleton or Kent or Huntsville or Reston or Los Angeles or Seattle or Cape Canaveral
$111k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
3+ YOEBachelor's degree in mechanical, aerospace, or related engineering; 3+ years mechanical engineering experience; CAD, structural analysis, aerospace systems, and systems engineering experience; eligibility for Top Secret clearance.
CAD, Model-Based Systems Engineering (MBSE), Defense Biometric Identification System (DBIDS)
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2mo
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Mechanical Engineer, Fluid Systems
El Segundo, California, United States
$108k-$150k/yr OnsiteFull Time
Radiant
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
2+ YOEBachelor’s in Mechanical/Materials/Aeronautical/Civil/Structural engineering; 2+ years in designing, building, and testing fluid systems; strong fluid dynamics and heat exchanger knowledge; 100% onsite at El Segundo, CA.
MATLAB, Python, Finite Element Analysis (FEA)
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Mechanical Systems Engineer, Exterior Sensor Integration
Long Beach, California, United States
$130k-$145k/yr OnsiteFull Time
ALTEN
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
5+ YOEBachelor's in engineering,5+ years automotive mechanical experience with ADAS/autonomy sensor integration,GD&T and tolerance expertise,DFMEA/DVP&R ownership,prototype and validation experience.
CATIA V5, 3DEXPERIENCE, Siemens NX, Teamcenter
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Sr Advanced Systems Engineer - Mechanical Systems
Torrance, California, United States
$133k-$167k/yr HybridFull Time
Honeywell International
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
5+ YOEBachelor's in a technical discipline and minimum 5 years mechanical systems engineering experience; systems integration, V&V, and product lifecycle knowledge valued.
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Principal Mechanical Engineer - Launcher Systems
Los Angeles, California, United States
$180k-$230k/yr OnsiteFull Time
Hikinex
Hikinex: Provider of outsourced sales and administrative business solutions.
10+ YOE10+ years in aerospace/defense mechanical design and system integration; BS in Mechanical Engineering; launcher systems experience; US citizenship and ability to obtain security clearance.
SolidWorks, CAD
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3mo
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Mechanical Engineer, Marine Systems
El Segundo, California, United States
$130k-$210k/yr OnsiteFull Time
Oceanus Maritime Technologies: Building the operating platform for the modern maritime world.
4+ YOEBachelor's degree or higher; 4+ years in mechanical/electrical system design, integration, and testing in real environments; CAD, wiring, and marine exposure; travel up to ~25%.
3D CAD, SolidWorks, NX, Creo, GD&T
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Interior Systems Staff Mechanical Engineer
Long Beach, California, United States
$150k-$284k/yr HybridFull Time
Ford Motor Company
Ford Motor CompanyNYSE: F: Ford manufactures, sells, and services vehicles and mobility solutions.
5+ YOE2+ MgmtBachelor's in mechanical engineering or equivalent; 5+ years designing interior systems with 3D CAD, 3+ years production release and factory launches, and 2+ years leading teams.
NX, CATIA, 3DEXPERIENCE, Microsoft Office, Microsoft Confluence, Jira, Asana
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Mechanical Engineer, Thermal Control Systems II
Long Beach, California, United States
$112k-$159k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
5+ YOEBachelor's in mechanical engineering; 5+ years hardware experience with fluid systems; design, fabrication, testing experience.
NX, GD&T, ANSYS, FEMAP
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6d
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Mechanical Engineer, Routed Systems
Oxnard, California, United States
$130k-$190k/yr OnsiteFull Time
Swarm Aero
Swarm Aero: A defense technology developing autonomous swarming aircraft and command-and-control systems.
3+ YOERequires 3+ years of avionics or aircraft electrical engineering experience, aircraft electrical system design, harness and routing tools, hardware integration and flight testing. US person status required; security clearance preferred.
Zuken, Capital, Artifact, Solidworks/Catia Electrical, NX Electrical, CreoParametric, Python
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Interior Systems Staff Mechanical Engineer
Long Beach, California, United States
$150k-$284k/yr HybridFull Time
Ford Motor Company
Ford Motor CompanyNYSE: F: Designs, manufactures, and sells cars, trucks, and SUVs.
5+ YOE2+ MgmtBachelor's degree in mechanical engineering or equivalent, 5+ years designing interior subsystems with 3D CAD, 2+ years team leadership, and experience with production release and factory product launches.
NX, CATIA, 3DEXPERIENCE (3DX), Microsoft Office, Confluence, Jira, Asana, GD&T
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3mo
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Mechanical Engineer
Hawthorne, California, United States
$123k-$150k/yr OnsiteFull Time
Venturi Astrolab
Venturi Astrolab: Designs and builds robotic rovers for Moon and Mars exploration.
2+ YOEBachelor's degree in engineering; 2+ years mechanical systems experience; CAD and FEA; design for manufacturing and GD&T.
CAD software, Finite Element Analysis (FEA) software
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1w
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Mechanical Engineer
Carson or Torrance
$110k-$137k/yr OnsiteFull Time
Red Cat Holdings
Red Cat HoldingsNASDAQ: RCAT: Providing all-domain drone and robotic solutions for defense.
3+ YOEBachelor's degree in mechanical engineering or related field, 3+ years of design engineering experience, 3+ years with SolidWorks or CAD, FEA, systems engineering, and high-rate production design experience.
SolidWorks, PDMS, NX, Creo, AutoCAD, FEA, BLDC, PCB, PCBA, DFM/DFX, E-Verify
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Mechanical Engineer
Irvine or Los Angeles
$93k-$132k/yr OnsiteFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
6+ YOEBachelor's degree in Mechanical Engineering; minimum 6 years in mechanical and plumbing design for commercial or institutional buildings; PE license; experience with building systems; proficiency with MS Office and design software.
MS Office, Trane TRACE, Manufacturer selection software
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Mechanical Engineer
Carson, California, United States
$110k-$137k/yr OnsiteFull Time
Red Cat Holdings
Red Cat HoldingsNASDAQ: RCAT: Manufacturing tactical drone systems for defense and security.
3+ YOEBachelor’s degree in mechanical engineering or related field, 3+ years of design engineering experience, 3+ years with SolidWorks or CAD platforms, systems engineering, FEA, and high-rate production design experience.
SolidWorks, PDMS, NX, Creo, AutoCAD, FEA, PCB, BLDC, E-Verify
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1mo
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Mechanical Engineer
Torrance, California, United States
$110k-$140k/yr OnsiteFull Time
Intellisense Systems
Intellisense Systems: Designs and manufactures advanced sensing and display solutions.
5+ YOEB.S. in Mechanical Engineering, 5+ years R&D/product design experience with electro-mechanical or optical systems, advanced solid modeling (SolidWorks/Pro-E/CATIA), GD&T, manufacturing processes, and mechanical/thermal simulation (ANSYS) preferred.
SolidWorks, Pro-E, CATIA, ANSYS
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Mechanical Engineer
Irvine or Los Angeles
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
6+ YOEBachelor's in Mechanical Engineering, PE license required for the job location, experience in mechanical/plumbing system design for commercial or institutional buildings, proficiency with Microsoft Office and Trane TRACE; master's preferred and 6+ years experience desired.
Microsoft Office, Trane TRACE
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3w
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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
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3mo
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Mechanical Engineer
Los Angeles, California, United States
OnsiteFull Time
Furientis
Furientis: Develops cost-effective, high-volume interceptor missile systems.
6+ YOEB.S. in mechanical/aerospace engineering, 6+ years designing flight structures or mission-critical systems; NX and Teamcenter experience, GD&T proficiency, hands-on builder, and U.S. Person eligible for SECRET clearance.
NX, Teamcenter
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Senior Mechanical Engineer
Torrance or Los Angeles
$155k-$200k/yr OnsiteFull Time
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
7+ YOEBachelor's degree or higher in mechanical, aerospace, or related engineering; 7+ years developing complex hardware; expertise in mechanical design, GD&T, materials, manufacturing, structural analysis, and system tradeoffs.
CAD, GD&T, ITAR
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4w
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Senior Engineer – Mechanical Engineering
Simi Valley, California, United States
$101k-$153k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
5+ YOEBachelor's in Mechanical or Aerospace Engineering,5+ years designing complex mechanical systems,prototyping and electro-mechanical experience,ASME drawing practices,Solidworks and Microsoft Office proficiency.
Solidworks, Microsoft Office
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