21 mechanical process engineer jobs at 17 companies in Oxnard, CA

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Mechanical Engineer
Oxnard, California, United States
$140k-$210k/yr OnsiteFull Time
Swarm Aero
Swarm Aero: A developer of swarming unmanned aircraft and command-and-control systems focusing on rapid aircraft design, integration, and flight testing.
5+ YOEBachelor's in Mechanical or Aerospace Engineering, 5+ years mechanical/structures design and integration experience, proficiency in CAD (NX preferred) and PLM (Teamcenter), GD&T knowledge, manufacturing process familiarity.
NX, Teamcenter, CAD
2mo
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Process Development Engineer
Goleta, California, United States
$91k-$121k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
4+ YOE4+ years manufacturing/process engineering (mechanical or electromechanical), bachelor’s in a technical field or equivalent experience, hands-on problem-solving, lean and process documentation experience, SAP/ERP familiarity, U.S. citizen or permanent resident required.
SAP/ERP
2d
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Semiconductor Process Engineer - E2
Goleta, California, United States
$91k-$169k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
2+ YOEBachelor’s degree in materials, materials science, mechanical engineering, or similar; 2+ years in manufacturing engineering; semiconductor process experience; Microsoft Office proficiency; communication and root-cause analysis skills.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Business Process Engineer
Moorpark, California, United States
$64k-$120k/yr OnsiteFull Time
Ensign-Bickford Aerospace & Defense
Ensign-Bickford Aerospace & Defense: Precision energetic systems and hardware for aerospace and defense
5+ YOEBS or MS in science/engineering (mechanical preferred) with 5+ years aerospace & defense experience; knowledge of continuous improvement, Lean, Six Sigma, ERP/MRP, AS9100 Rev D; strong MS Office and Teams skills; travel as requested.
Microsoft Windows, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Project, Microsoft Teams, ERP, MRP, AS9100 Rev D
2w
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Process Engineer (New Grad December 2026)
Hawthorne or Los Angeles or El Segundo
$95k-$120k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
Bachelor's degree in materials science, physics, mechanical engineering, or similar ABET-accredited engineering discipline; experimental design, statistical analysis, large-data interpretation, and Python or MATLAB experience.
Python, MATLAB, R, JMP, Minitab
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Process Development Engineer (TERADYNE, Agoura Hills, CA) (Agoura Hills, CA, US)
Agoura Hills, California, United States
$98k-$157k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
5+ YOEB.S. in Mechanical Engineering, 5+ years manufacturing engineering experience, SolidWorks and Teamcenter experience, develop assembly processes, design/qualify tools and fixtures, collaborate across teams, and travel 0–10%.
SolidWorks, SolidWorks PDM, Teamcenter, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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Business Process Engineer
Moorpark, California, United States
$64k-$120k/yr OnsiteFull Time
Ensign-Bickford Industries
Ensign-Bickford Industries: Develops aerospace systems, diagnostic tests, and pet food enhancers.
5+ YOEBS/MS in science or engineering (preferred mechanical), 5+ years aerospace & defense experience, expertise in continuous improvement/Lean/Six Sigma, ERP/MRP knowledge, AS9100 Rev D, audit/CAPA/NCR experience, MS Office proficiency, ability to travel.
Microsoft Windows, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Project, Microsoft Teams
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Mechanical Inspector
Sylmar, California, United States
$25-$30/hr FieldFull Time
Verify, Inc.
Verify, Inc.: Global provider of supply chain risk management and inspection services.
5+ YOEPerform in-process and final inspections to engineering drawings and standards (ANSI Y14.5, AS9102); 5+ years aerospace/defense inspection experience preferred; able to use micrometers/calipers and report results via web application.
micrometers, calipers, Microsoft Word, Microsoft Excel
1w
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Industrial Engineer
Goleta, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOESTEM degree and 5+ years of relevant experience in industrial, manufacturing, or mechanical engineering. Requires data modeling, capacity planning, process optimization, and manufacturing improvement expertise.
ERP, SAP, Eyelit, AutoCAD LT, Microsoft O365 Suite, Microsoft Project, Microsoft Visio, IoT
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Manufacturing Engineer
El Segundo or Mojave
$100k-$160k/yr OnsiteFull Time
Icarus
Icarus: Builds solar-powered aircraft for stratospheric intelligence and connectivity.
1+ YOE1+ years manufacturing/production/build engineering on real hardware; hands-on mechanical/electrical/aerospace experience; strong tolerance and process intuition; experience partnering with design teams; ability to move fast on the factory floor.
1w
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Senior Machine Design Engineer
El Segundo, California, United States
$120k-$160k/yr OnsiteFull Time
Space Kinetic
Space Kinetic: Developing propellant-free systems for deploying payloads in space.
7+ YOEBachelor’s degree in mechanical engineering or related field, 7+ years designing complex machines, advanced SolidWorks, machine design, GD&T, tolerance analysis, FEA, manufacturing processes, and U.S. government clearance eligibility.
SolidWorks, Finite Element Analysis (FEA), CNC, MATLAB, Python
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Senior RF Systems Engineer
El Segundo, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
12+ YOEMaster's +12 yrs or Bachelor's +14 yrs in EE or related field; expertise in spaceborne RF payloads, signal processing, orbital mechanics, systems engineering for payload development; TS/SCI clearance and willingness to polygraph required.
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Senior RF Systems Engineer
El Segundo, California, United States
$190k-$220k/yr OnsiteFull Time
Space Systems Integration
Space Systems Integration: Provides systems engineering and technical advisory for aerospace missions.
12+ YOERequires TS/SCI clearance and polygraph, Bachelor's (EE/Physics/Math/Aerospace) +14 years or Master's +12 years, experience with spaceborne RF payloads, signal processing, orbital mechanics, systems engineering; strong communication; ~10% travel.
2mo
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Propulsion and Energetics Test Engineer II
Playa Vista, California, United States
$106k-$150k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
2+ YOEBachelor’s in aerospace/mechanical engineering; 2+ years hardware test experience; instrumentation/data processing; test procedure documentation; strong communication; in-person Playa Vista; safe operation with flammables/explosives.
Python, MATLAB, FlexLogger, data acquisition, test software
3w
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Sr NPI Manufacturing Engineer
Northridge, California, United States
$97k-$165k/yr OnsiteFull Time
MiniMed Group
MiniMed GroupNasdaq: MMED: A that develops insulin delivery systems and supports people living with diabetes through connected care and innovation.
4+ YOEBachelor's degree plus 4+ years relevant experience (or advanced degree with 2+ years). Experience in manufacturing process design, equipment installation/validation, statistical analysis, and mechanical assembly equipment. Ability to manage multiple validations and travel 20–30%.
statistical process control, heat staking, adhesive dispense, electrical functional test equipment
3w
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Mission Analysis Engineer (Mid-career) - Millennium Space Systems
El Segundo, California, United States
$109k-$160k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOEBachelor's degree and 5+ years' experience in satellite modeling and simulation; proficiency with Matlab/Simulink, Python or C++; EO/IR image processing, orbital mechanics, and state estimation; U.S. citizenship and ability to obtain Top Secret clearance.
Matlab/Simulink, Python, C++, ASSET, PRA Toolkit, AFSIM, VHDL, Verilog, Vitis Model Composer
3w
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Mission Analysis Engineer (Mid-career) - Millennium Space Systems
El Segundo, California, United States
$109k-$225k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEBachelor's degree and 5+ years' experience in mission modeling/simulation, satellite systems, EO/IR image processing, orbital mechanics; ability to obtain U.S. Top Secret clearance and U.S. Person status; proficiency with Matlab/Simulink, Python, or C++.
Matlab/Simulink, Python, C++, ASSET, PRA Toolkit, AFSIM, VHDL, Verilog, Vitis Model Composer
3w
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Sr Manager - Thermal Processing Equipment
El Segundo, California, United States
$171k-$240k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
7+ YOE3+ MgmtB.S. in mechanical/thermal engineering or equivalent,7+ years engineering/manufacturing experience with thermal processing equipment,3+ years leading engineers,knowledge of reliability methods (FMEA,RCA),asset introduction and vendor acceptance.
2mo
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Launch Support SME
El Segundo, California, United States
OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
15+ YOEActive TS clearance with SCI eligibility; Bachelor's in mechanical, aerospace, or electrical engineering; 15+ years space launch experience; experience with classified spacecraft assembly and launch base processing.