Mechanical Engineer Jobs in Costa Mesa
155 live Mechanical Engineer roles in Costa Mesa, United States. Apply directly on Haystack.
Last updated 6 October 2026. Job counts refresh daily.
As of 6 October 2026, Haystack lists 155 live Mechanical Engineer jobs in Costa Mesa, with 9 added in the past week and typical advertised salaries of $150k to $193k. Employers hiring right now include Anduril Industries, Calance and Resourcesoft, Inc..
Top companies hiring
- AI
Senior Electromechanical Engineer
NewAnduril Industries
Costa Mesa馃嚭馃嚫Hybrid22 hours agoANSYSRoboticsAbaqus+15Engineering - AI
Electro-Mechanical Engineer, EW
NewAnduril Industries
Costa Mesa馃嚭馃嚫Hybrid22 hours agoCADCNCCompliance+8Engineering - AI
2027 Reliability Engineer Intern
NewAnduril Industries
Costa Mesa馃嚭馃嚫Hybrid21 hours agoComplianceComputer VisionData Privacy+6Technology - CA
SENIOR THERMAL ENGINEER
NewCalance
Costa Mesa, CA馃嚭馃嚫HybridYesterdayANSYSCADCFD+2Engineering - RE
Senior Mechanical Engineer
NewResourcesoft, Inc.
Costa Mesa, CA馃嚭馃嚫HybridYesterdayMechanical DesignEngineering - AI
Mechanical Design Engineer
NewAnduril Industries
Costa Mesa馃嚭馃嚫$146k - $194k/yrHybrid22 hours agoCADMechanical DesignEngineering - AI
Senior Mechanical Design Engineer, Thunder
NewAnduril Industries
Costa Mesa馃嚭馃嚫HybridYesterdayCADMechanical DesignStakeholder ManagementEngineering - AI
Tooling Design Engineer, Air Vehicles
NewAnduril Industries
Costa Mesa馃嚭馃嚫Hybrid22 hours agoCADEngineering - AI
Senior Weapons Integration Engineer, Thunder
Anduril Industries
Costa Mesa馃嚭馃嚫Hybrid4 days agoMATLABRustEmbedded Systems+9Technology - AI
Electro Mechanical Engineer, Anduril Expeditionary Systems with Security Clearance
Anduril Industries
Costa Mesa, CA馃嚭馃嚫$130k/yrOn-site1 week agoRoboticsSolidWorksCATIA+1EngineeringGet new Mechanical Engineer jobs in Costa Mesa in your inbox
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- AI
Senior Electro Mechanical Engineer, Anduril Expeditionary System with Security Clearance
Anduril Industries
Costa Mesa, CA馃嚭馃嚫$146k/yrOn-site1 week agoRoboticsCADCATIA+1Engineering - AI
Mechanical Engineer, Support System with Security Clearance
Anduril Industries
Costa Mesa, CA馃嚭馃嚫$129k/yrHybrid1 week agoCADMechanical DesignEngineering - AI
Manufacturing Engineer, Actuators
NewAnduril Industries
Costa Mesa馃嚭馃嚫$129k - $171k/yrHybrid22 hours agoCADCNCConfluence+1Manufacturing - AI
Senior System Safety Engineer with Security Clearance
Anduril Industries
Costa Mesa, CA馃嚭馃嚫$166k/yrHybrid4 days agoANSYSJiraEngineering - AI
Senior Mechanical Engineer - Lethality
NewAnduril Industries
Costa Mesa馃嚭馃嚫Hybrid9 hours agoANSYSAbaqusCAD+3Engineering - AI
Mechanical Engineer, Roadrunner
NewAnduril Industries
Costa Mesa馃嚭馃嚫$129k - $171k/yrHybrid22 hours agoCADStructural AnalysisEngineering - AI
Thermal Engineer, Mission Electronics
NewAnduril Industries
Costa Mesa馃嚭馃嚫$129k - $171k/yrHybrid22 hours agoANSYSCADCFD+2Engineering - AI
Mechanical Engineer - Lethality
NewAnduril Industries
Costa Mesa馃嚭馃嚫$129k - $171k/yrHybrid22 hours agoANSYSAbaqusCAD+3Engineering - AI
Integration and Test Engineer, Fuel Systems (Omen)
NewAnduril Industries
Costa Mesa馃嚭馃嚫$146k - $194k/yrHybrid22 hours agoComputer VisionTechnology - AI
2027 Early Career Flight Test Engineer
NewAnduril Industries
Costa Mesa馃嚭馃嚫$86k - $114k/yrHybrid22 hours agoRoboticsComputer VisionC+++2Technology - AI
Thermal Engineer, Thermal Protection Systems (TPS)
NewAnduril Industries
Costa Mesa馃嚭馃嚫$129k - $171k/yrHybrid22 hours agoANSYSCFDFEAEngineering - AI
Mechanical Engineer, Anduril Expeditionary Systems
NewAnduril Industries
Costa Mesa馃嚭馃嚫$129k - $171k/yrHybrid22 hours agoANSYSSketchCADEngineering - AI
GNC Engineer, Space Emerging Talent
NewAnduril Industries
Costa Mesa馃嚭馃嚫$112k - $149k/yrHybrid22 hours agoSimulinkEngineering - AI
Senior Mechanical Engineer, Test Fixtures with Security Clearance
Anduril Industries
Costa Mesa, CA馃嚭馃嚫$146k - $194k/yrHybrid1 week agoCADCNCFEA+2Engineering - AI
Mechanical Engineer, Space Emerging Talent
NewAnduril Industries
Costa Mesa馃嚭馃嚫$86k - $114k/yrHybrid22 hours agoCADCNCStructural AnalysisEngineering - AI
Senior DFx Engineer, Mechanical & Fluid Systems
Anduril Industries
Costa Mesa馃嚭馃嚫$146k - $194k/yrHybrid6 days agoCADCATIACNC+1Engineering - AI
Staff DFx Engineer, Mechanical & Fluid Systems
Anduril Industries
Costa Mesa馃嚭馃嚫$166k - $220k/yrHybrid6 days agoCADCATIACNC+1Engineering - AI
DFx Engineer, Mechanical & Fluid Systems
NewAnduril Industries
Costa Mesa馃嚭馃嚫$129k - $171k/yrHybrid22 hours agoCADCATIACNC+1Engineering - AI
Mechanical Engineer
NewAnduril Industries
Costa Mesa馃嚭馃嚫$132k - $198k/yrHybrid22 hours agoCADMechanical DesignStakeholder ManagementEngineering - AI
Senior Mechanical Engineer, Test Fixtures
Anduril Industries
Costa Mesa馃嚭馃嚫$146k - $194k/yrHybrid1 week agoCADCNCFEA+1Engineering
Frequently asked questions
How many Mechanical Engineer jobs in Costa Mesa are available?
Haystack currently lists 155 live Mechanical Engineer jobs in Costa Mesa, with 9 added in the past week. Numbers refresh daily.
What do Mechanical Engineer jobs in Costa Mesa pay?
Advertised salaries typically range from $150k to $193k per year, based on 142 live postings with advertised salaries.
Which companies are hiring for Mechanical Engineer jobs in Costa Mesa?
Anduril Industries, Calance, Resourcesoft, Inc. are actively hiring right now.