Senior Aerospace Engineer - Aerothermal & Hypersonics Mach IndustriesSenior Aerospace Engineer - Aerothermal & HypersonicsHuntington Beach, CAHigh-speed aero and aerothermal design: Lead or co-own aerodynamic and aerothermal design activities for hypersonic and atmospheric entry vehicles - vehicle shaping, performance, stability, and thermal environment definition - and support lower-speed aero work in conjunction with other aerodynamicists when the program requires it. Aerothermal environments: Predict and analyze aerodynamic heating environments (convective and radiative where relevant), including engineering (first-order / closed-form) heating methods and higher-fidelity aerothermal analysis as needed to support vehicle, TPS, and structural design.
Mechanical Engineer, Spacecraft Design AstroForgeMechanical Engineer, Spacecraft DesignSeal Beach, CaliforniaITAR Requirements To conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Government. Job Description As a Mechanical Engineer, Spacecraft Design at AstroForge, you will own and drive the mechanical design of spacecraft structures, mechanisms, and assemblies from early concept through flight.
Mechanical Engineer II The Kemtah Group, Inc.Mechanical Engineer IIIrvine, CA$45–$55 / hourScheduled performance reviews Referral program Job Description: JOB SUMMARY The Mechanical Engineer will carry out engineering assignments concerned with the planning, design and testing of rotating machinery (fans, pump and compressor) with rotating speeds up to 24,000 rpm. Qualified candidate will have a minimum of 3-5 years minimum experience in the design, analysis and development of machine design and electro-mechanical components used in defense or aerospace applications.
Mechanical Engineer, Propulsion ANDURIL INDUSTRIESMechanical Engineer, PropulsionSanta Ana, CA$129,000–$171,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. 2+ years in a technical engineering role, or equivalent experience through student engineering teams (Formula SAE, Baja SAE, etc.), personal projects, or internships, demonstrating a high level of personal contribution.
Battery Mechanical Engineer ANDURIL INDUSTRIESBattery Mechanical EngineerCosta Mesa, CA$129,000–$171,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
December 2026 New Graduate Engineer, Mechanical Mach IndustriesDecember 2026 New Graduate Engineer, MechanicalHuntington Beach, CaliforniaMach Industries is seeking a New Grad Mechanical Engineer to join our team in designing, prototyping, and iterating on mechanical and electromechanical systems that support next-generation defense platforms. Mach participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only.
Electro-Mechanical Engineer, R&D ANDURIL INDUSTRIESElectro-Mechanical Engineer, R&DCosta Mesa, CA$129,000–$171,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Here you will work on early stage R&D development for complex systems, including but not limited to mechanical structures, batteries, mechanisms, actuators, motors, power systems, PCBAs, sensors, and payloads.
Electro-Mechanical Test Engineer ANDURIL INDUSTRIESElectro-Mechanical Test EngineerCosta Mesa, CATo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. The team will build and source large electromechanical fixtures for manufacturing test systems, your CAD designs, system level architecture, and experience with sensors and actuators will help us rebuild the arsenal.
Mechanical Engineer Neon AerospaceMechanical EngineerIrvine, California$110,000–$165,000 / yearYou’ll be directly involved in designing the mechanical building blocks that make complex systems work—helping ensure performance, reliability, manufacturability, and cost targets are met. We’re looking for a Mechanical Engineer to help design and integrate complex mechanical and electromechanical systems powering next-generation hardware—spanning positioning, propulsion, environmental control, and energy management.
Senior Mechanical Engineer, Drones ANDURIL INDUSTRIESSenior Mechanical Engineer, DronesCosta Mesa, CA$146,000–$194,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Staff Mechanical Engineer, Omen ANDURIL INDUSTRIESStaff Mechanical Engineer, OmenCosta Mesa, CA$191,000–$253,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Expertise with high-performance airframe manufacturing and assembly processes, including composite and metallic part machining, locating, fixturing, fastening, joining, fuel sealing, and integration from piece part to completed airframe.
Mechanical Engineer, Drones ANDURIL INDUSTRIESMechanical Engineer, DronesCosta Mesa, CA$98,000–$130,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Senior Mechanical Engineer, Intelligence Systems ANDURIL INDUSTRIESSenior Mechanical Engineer, Intelligence SystemsCosta Mesa, CA$146,000–$194,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Senior Mechanical Engineer, Components And Propulsion ANDURIL INDUSTRIESSenior Mechanical Engineer, Components And PropulsionCosta Mesa, CA$146,000–$194,000 / yearIntegrate & Optimize for Production: Collaborate closely with Systems, Electrical, Software, and Manufacturing teams to ensure seamless integration of propulsion and mechanical components into larger platforms, optimizing designs for manufacturability, maintainability, and scalability. Design & Analyze Propulsion Systems: Lead the conceptualization, design, and detailed engineering of novel propulsion systems (e.g., electric, turbofan, rocket, hybrid) including engines, motors, pumps, and associated fluidic or thermal management components, ensuring optimal performance and efficiency.
Mechanical Engineer, Components And Propulsion ANDURIL INDUSTRIESMechanical Engineer, Components And PropulsionCosta Mesa, CA$129,000–$171,000 / yearIntegrate & Optimize for Production: Collaborate closely with Systems, Electrical, Software, and Manufacturing teams to ensure seamless integration of propulsion and mechanical components into larger platforms, optimizing designs for manufacturability, maintainability, and scalability. Design & Analyze Propulsion Systems: Lead the conceptualization, design, and detailed engineering of novel propulsion systems (e.g., electric, turbofan, rocket, hybrid) including engines, motors, pumps, and associated fluidic or thermal management components, ensuring optimal performance and efficiency.
Electro Mechanical Engineer, Anduril Expeditionary Systems ANDURIL INDUSTRIESElectro Mechanical Engineer, Anduril Expeditionary SystemsCosta Mesa, CA$146,000–$194,000 / yearRobust Hardware Design: Design and develop critical mechanical hardware components, including durable enclosures, innovative electronics packaging solutions, efficient bus bars, and complex cable assemblies built to survive extreme conditions. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process.
Sr. Mechanical Engineer, Electrical Integration Rivian Automotive IncSr. Mechanical Engineer, Electrical IntegrationTustin, CA$107,800–$134,800 / yearResponsibilities Integrate Printed Circuit Boards into an actuation system, including specification of thermal paste and conformal coating Integrate press-fit components into a Printed Circuit Board Assembly Analyze PCBs, ICs, and press-fit components for mechanical failure modes (deflection, temperature, contamination, humidity) Perform 3D modeling and generate drawings of components and assemblies Collaborate with cross-functional teams Coordinate validation efforts with Tier 1 and Tier 2 suppliers Develop and execute design verification plans and reports (DVP&R) Lead and maintain design failure mode and effects analyses (DFMEAs) Prototype and iterate designs to validate functionality Qualifications Bachelor's Degree in Mechanical Engineering or related technical field and 3+ years of experience, OR Master's Degree in Mechanical Engineering or related technical field and 1+ years of experience. First principles approach to problem solving PCB Integration experience (mechanical, thermal) Deep understanding of Printed Circuit Board and IC mechanical failure modes Proficient in 3D/2D CAD (Catia V5/V6 preferred) Strong knowledge of GD&T and tolerance stack-up analysis Familiarity with PLM systems, BOM structuring, engineering changes, and deviation processes Pay Disclosure Salary Range California-Based Applicants: $107,800-$134,800 (actual compensation will be determined based on experience, and other factors permitted by law).
Principal Mechanical Engineer MKS IncPrincipal Mechanical EngineerIrvine, CA$140,000–$210,000 / yearA Day in Your Life at MKS: We are seeking a Principal Mechanical Engineer to provide technical leadership for the Vibration Control Group, developing and sustaining precision vibration isolation and structural support products (optical tables, breadboards, platforms, isolators, and integrated customer solutions). You will own challenging mechanical designs from concept through release, guide verification and validation, and partner cross‑functionally with product management, manufacturing, supply chain, quality, and sales to deliver high‑performance, manufacturable, and cost‑effective solutions.
2026 Early Career Mechanical Engineer ANDURIL INDUSTRIES2026 Early Career Mechanical EngineerCosta Mesa, CA$100,000–$110,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Senior Mechanical Engineer, Hvac - Anduril Expeditionary Systems ANDURIL INDUSTRIESSenior Mechanical Engineer, Hvac - Anduril Expeditionary SystemsCosta Mesa, CA$146,000–$194,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This is a rare seat: the chance to own an entire environmental control system end-to-end, from first-principles sizing calculations to the moment a soldier flips it on in the field, inside a small, tight-knit team that ships real hardware to real users.