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161 mechanical systems engineer jobs at 76 companies in Temecula, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Mechanical Engineer
Tustin, California, United States
$100k-$150k/yr HybridFull Time
Salas O'Brien
Salas O'Brien: Provides integrated engineering design and technical consulting services.
5+ YOEBachelor's in Mechanical Engineering; 5-10 years in mechanical systems engineering; PE preferred; on-site in Tustin, CA with up to 30% travel.
Revit, Navisworks, EnergySoft, Trace software
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5d
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Senior Mechanical Engineer, Intelligence Systems
Santa Ana, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
10+ YOEActive U.S. Secret clearance,10+ years mechanical engineering experience,BS/M.Eng/MS/PhD,CAD and engineering drawings,hands-on fabrication,prototyping,thermal and structural analysis,ability to support manufacturing and test sites.
SiemensNX, Teamcenter
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1w
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Mechanical Engineer III – Battery Systems Engineering
Carlsbad, California, United States
$130k-$165k/yr OnsiteFull Time
Proper Voltage
Proper Voltage: A developing intelligent battery systems and energy storage solutions for robotics, data centers, and defense.
5+ YOEBachelor's in mechanical engineering,5+ years mechanical engineering experience in battery/EV/energy storage,expert 3D CAD skills,thermal analysis and testing experience,GD&T and DFM knowledge,mentorship ability.
Onshape, SolidWorks, SimScale, ANSYS, SolidWorks Simulation
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1mo
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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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1mo
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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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2w
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Mechanical Engineer IV
Carlsbad, California, United States
$125k-$140k/yr OnsiteFull Time
Fluidra
FluidraBolsa de Madrid: FDR: Manufacturer of equipment and solutions for residential and commercial pools.
7+ YOE7+ years mechanical engineering experience; equipment design from concept to production; SolidWorks and FEA experience; familiarity with electrical systems and manufacturing processes; BS in Mechanical Engineering.
SolidWorks, FEA software
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1w
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Mechanical Engineer I
Irvine, California, United States
$76k-$102k/yr OnsiteFull Time
Iris Technology
Iris Technology: Designs and manufactures electronics for aerospace and defense missions.
1+ YOEUS work authorization required; Bachelor's in mechanical engineering; 1+ year engineering experience in R&D or manufacturing; SolidWorks and systems integration experience; able to read electrical/mechanical drawings.
SolidWorks, Microsoft Project, Microsoft Access, Microsoft Excel, Microsoft PowerPoint
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7h
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Sr. Mechanical Engineer
Irvine, California, United States
$105k-$155k/yr OnsiteFull Time
Terran Orbital
Terran OrbitalNYSE: LMT: Manufactures modular spacecraft for aerospace and defense missions.
5+ YOEB.S. or M.S. in Mechanical/Aerospace Engineering,5+ years designing complex mechanical systems,experience with SolidWorks/Creo,GD&T (ASME Y14.5),hardware build/test experience,and U.S. citizenship with clearance eligibility.
SolidWorks, Creo
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1mo
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Mechanical Engineer - Buildings
Riverside, California, United States
$89k-$127k/yr OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
3+ YOEBachelor’s degree in mechanical engineering; 3–5 years building systems design; HVAC knowledge; AutoCAD/Revit experience; codes and standards familiarity.
AutoCAD, Revit
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3mo
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Mechanical Engineer II - Defense Systems Division
Irvine, California, United States
$83k-$139k/yr OnsiteFull Time
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
2+ YOEBachelor's degree in mechanical engineering; 2-5+ years design/analysis; solid modeling; ASME Y14.5 knowledge; good communication; travel possible; US citizenship.
SolidWorks, Creo, PDM
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3w
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Principal Mechanical Engineer
Irvine, California, United States
$140k-$210k/yr OnsiteFull Time
MKS Instruments
MKS InstrumentsNASDAQ: MKSI: Supplies process control instruments and chemicals for semiconductor manufacturing.
8+ YOEBachelor's in Mechanical Engineering required; 8+ years in precision mechanical systems and vibration mitigation; SolidWorks and ANSYS (or equivalent) proficiency; FEA, modal analysis, GD&T, PLM/ERP (Agile, SAP); leadership and test/prototyping experience; travel <10%.
SolidWorks, ANSYS, FEA, CAD, PLM, ERP, Agile, SAP, GD&T, BOM
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3mo
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Mechanical Engineer Manager
Poway, California, United States
OnsiteFull Time
Cohu
CohuNASDAQ: COHU: Provides semiconductor test, handling, and inspection equipment and services.
5+ YOE5+ MgmtBachelor's in Mechanical Engineering; 5+ years mechanical engineering; leadership experience; experience with test handling equipment or semiconductor automation; design-to-manufacturing in electro-mechanical systems; proficient in SolidWorks; strong project and people management.
SolidWorks, MS Office, FEA
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1mo
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Mechanical Design Engineer III
Escondido, California, United States
$84k-$154k/yr OnsiteFull Time
Nikkiso
NikkisoTokyo Stock Exchange: 6376: Designs and manufactures precision fluid control and industrial equipment.
2+ YOEBachelor's degree in Mechanical Engineering with 2 years experience or Master's in Mechanical Engineering; cryogenic/high-pressure system experience; read/develop P&ID; familiarity with P&IDs; pump selection/operations; safety/risk assessment; CAD tools; travel up to 25%.
AutoCAD, Inventor, SolidWorks
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1mo
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Systems Engineer
Carlsbad or Tempe
$95k-$150k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
5+ YOEBA/BS in engineering or equivalent, 5+ years designing complex electrical/mechanical/software production test systems, US citizenship, up to 10% travel, must work from Carlsbad, CA or Tempe, AZ office.
Jama, Solidworks Electrical, Solidworks 3D, Agile (Configuration Management Database), Microsoft SharePoint, DxDesigner, JIRA, ADS, HFSS, O-Scopes, Spectrum Analyzers, Network Analyzers, Logic Analyzers, Signal Generators
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5d
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Principal Mechanical Engineer (Console System)
Carlsbad, California, United States
$107k-$203k/yr OnsiteFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Developing and manufacturing innovative medical devices for less-invasive treatments.
7+ YOE7+ years mechanical engineering experience developing complex electromechanical medical devices; Bachelor's in mechanical engineering or related; SolidWorks and FEA experience; knowledge of design controls, FDA and ISO13485 processes.
SolidWorks, Finite Element Analysis (FEA)
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1mo
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Sr. Mechanical Engineer
Irvine, California, United States
$150k-$175k/yr OnsiteFull Time
Neon Aero: Designs and builds AI-native aerospace hardware and flight systems.
8+ YOE8+ years in mechanical product development and production, strong Siemens NX, GD&T, and production release experience; leadership in mechanical systems design; hands-on hardware responsibility.
Siemens NX, GD&T, FEA, Python, MATLAB
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1mo
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Sr. Systems Engineer - Lighting
Irvine, California, United States
$108k-$143k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
5+ YOEBS in Mechanical Engineering; 5+ years in systems engineering (lighting preferred); experience with requirements management and modeling tools; strong communication; ability to manage a complete system through V-cycle.
MATLAB, Simulink, Enterprise Architect, Flow, Jama, Vector Canalyzer, CANoe, CANape
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2mo
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Mechanical Engineer, High-Spec Water
Tustin, California, United States
$100k-$110k/yr OnsiteFull Time
CECO Environmental
CECO EnvironmentalNASDAQ: CECO: Provides industrial air, water, and energy transition solutions.
Design, specify, and deliver water/wastewater mechanical systems; ensure regulatory and safety compliance; lead technical documentation.
BIM, 3D modelling
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3d
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Principal Mechanical Engineer (Console System)
Carlsbad, California, United States
$107k-$203k/yr OnsiteFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Manufacturer of interventional medical devices and technologies.
7+ YOEBachelor in mechanical engineering,7+ years developing complex electromechanical medical devices, expertise in GD&T, tolerance and FEA, design controls and regulatory experience for Class II/III devices.
SolidWorks, FEA
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2mo
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Mechanical Engineer, High-Spec Water
Tustin, California, United States
$100k-$110k/yr OnsiteFull Time
CECO Environmental
CECO EnvironmentalNASDAQ: CECO: Providing industrial air, water, and energy transition solutions.
Design, specify, and deliver high-spec water and wastewater mechanical systems on regulated projects; strong technical writing and stakeholder skills.
3D modelling, BIM, CAD
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