Mechanical Engineer Jobs in Costa Mesa
73 live Mechanical Engineer roles in Costa Mesa, United States. Apply directly on Haystack.
Last updated 15 August 2026. Job counts refresh daily.
As of 15 August 2026, Haystack lists 73 live Mechanical Engineer jobs in Costa Mesa, with 19 added in the past week and typical advertised salaries of $150k to $193k. Employers hiring right now include Anduril Industries.
Top companies hiring
- New
Aerodynamics Engineer, Air Vehicles
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr4 hours agoCFDEngineeringAI - New
Integration and Test Engineer (Structures), Omen with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr7 hours agoAssemblyComputer VisionHTTPSTechnologyAI - New
Mechanical Engineer, Support System
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $171k/yr13 hours agoMechanical DesignEngineeringAI - New
Naval Architect Co-op - Winter 2027
Anduril Industries
Costa Mesa, CA🇺🇸$40/hr15 hours agoMATLABShellAssembly+12 moreOtherAI - New
Senior Mechanical Engineer, Production
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $183k/yr23 hours agoCADRoot Cause AnalysisManufacturingAI - This week
Chief Engineer
Anduril Industries
Costa Mesa, CA🇺🇸$191k - $253k/yrYesterdayRoboticsEngineeringAI - This week
Senior Manager, Battery Mechanical Engineering
Anduril Industries
Costa Mesa, CA🇺🇸$166k - $220k/yrYesterdayCFDFEAMechanical Design+1 moreEngineeringAI - This week
Mechanical Engineer, Maritime
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $171k/yrYesterdayRoboticsEngineeringAI - This week
Mechanical Engineer, Drones
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $171k/yrYesterdayRoboticsCADCNC+4 moreEngineeringAI - This week
Senior Mechanical Engineer, Connected Warfare
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yrYesterdayANSYSCADEngineeringAIGet new Mechanical Engineer jobs in Costa Mesa in your inbox
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- This week
Mechanical Engineer, Production, Connected Warfare
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $171k/yrYesterdayCADRoot Cause AnalysisManufacturingAI - This week
Air Vehicle Systems Engineer, Hardware Verification, Integration with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$166k - $220k/yrYesterdayComputer VisionConfluenceHTTPS+1 moreTechnologyAI - This week
Mechanical Engineer, Connected Warfare
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $170k/yr2 days agoANSYSCADEngineeringAI - This week
Staff Mechanical Engineer, Advanced Targeting & Sensing Systems with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$191k - $222k/yr2 days agoMechanical DesignCADTolerance AnalysisEngineeringAI - This week
Fuel Systems Engineer, Air Vehicles with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $171k/yr2 days agoComputer VisionHTTPSTechnologyAI - This week
Staff Flight Test Engineer, Air Dominance & Strike with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$166k - $220k/yr2 days agoComputer VisionC++HTTPS+4 moreTechnologyAI - This week
Staff Flight Test Engineer, Missiles with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$166k - $220k/yr2 days agoComputer VisionC++HTTPS+4 moreTechnologyAI - This week
Mechanical Engineer, Rocket Motor Systems with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $171k/yr5 days agoMicrosoft ExcelEngineeringAI - This week
Flight Test Engineer
Anduril Industries
Costa Mesa, CA🇺🇸$100k - $141k/yr6 days agoRoboticsComputer VisionTechnologyAI Test Site Asset Engineer - Air Defense with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$112k - $149k/yr1 week agoAgileJiraEngineeringAISenior Mechanical Engineer, Rocket Motor Systems with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr1 week agoMicrosoft ExcelEngineeringAISenior Mechanical Engineer, Subsystem Integration and Test with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr1 week agoEngineeringAISenior Supplier Sourcing Engineer, Intelligence Systems & Space with Security Clearance
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr1 week agoEngineeringAISenior Thermal Engineer
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr1 week agoANSYSCADCFD+2 moreEngineeringAISenior Mechanical Engineer, Warfighter Systems
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $170k/yr2 weeks agoCADFEAMechanical DesignEngineeringAISenior Mechanical Engineer
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr2 weeks agoRoboticsCADEngineeringAISenior Battery Mechanical Engineer
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr3 weeks agoAbaqusCADCFD+6 moreEngineeringAIBattery Mechanical Engineer
Anduril Industries
Costa Mesa, CA🇺🇸$129k - $171k/yr3 weeks agoAbaqusCADCFD+6 moreEngineeringAISenior Mechatronics Engineer, Electro-Mechanical (PCB design + Motors/Actuation)
Anduril Industries
Costa Mesa, CA🇺🇸$146k - $194k/yr4 weeks agoEmbedded SystemsRoboticsAltium+3 moreEngineeringAISenior Flight Performance Engineer, Air Vehicles
Anduril Industries
Costa Mesa, CA🇺🇸$166k - $220k/yr5 weeks agoCFDEngineeringAI
Frequently asked questions
How many Mechanical Engineer jobs in Costa Mesa are available?
Haystack currently lists 73 live Mechanical Engineer jobs in Costa Mesa, with 19 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 72 live postings with advertised salaries.
Which companies are hiring for Mechanical Engineer jobs in Costa Mesa?
Anduril Industries are actively hiring right now.