Mechanical Engineer Chaos IncMechanical EngineerEl Segundo, CA$110,000–$138,000 / yearIn this role, you will support the design and mechanical integration of military electronics and effector systems with critical platform structures and mechanisms, working alongside senior engineers on design challenges ranging from compact electronics enclosures to larger structural or mechanism assemblies. Role Overview: CHAOS is seeking a Mechanical Engineer to join our team providing hands-on mechanical expertise for the integration of ruggedized electronics, effectors, and mission-critical hardware into ground- and sea-mobile platforms for aerospace and defense applications.
Principal Opto-Mechanical Engineer - TeraWave Blue Origin Enterprises LPPrincipal Opto-Mechanical Engineer - TeraWaveLos Angeles, CA$183,193–$256,469.85 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
AI Trainer - Mechanical Engineers - CAD Expertise - (Remote Advisory - US) Prolific Academic LtdAI Trainer - Mechanical Engineers - CAD Expertise - (Remote Advisory - US)Los Angeles, CARemoteWe've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. This project supports the development of next-generation AI models by capturing how experienced engineers approach real-world CAD design challenges and validation workflows.
Mechanical Engineer, Fluid Systems - 2026 New Graduate Radiant NuclearMechanical Engineer, Fluid Systems - 2026 New GraduateEl Segundo, CAPortable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials.
Mechanical Engineer, Fluid Systems Radiant NuclearMechanical Engineer, Fluid SystemsEl Segundo, CAPortable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials.
Senior Mechanical Engineer, Mechanisms Radiant NuclearSenior Mechanical Engineer, MechanismsEl Segundo, CAPortable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and kinematic analysis to determine structural integrity and performance margins using both hand calculations and finite element tools.
Senior Mechanical Engineer, Structures Radiant NuclearSenior Mechanical Engineer, StructuresEl Segundo, CAPerform detailed thermomechanical analysis (static strength, durability/fatigue) and dynamic analysis (vibration, shock) to determine structural integrity (margins of safety) using both hand calculations and finite element tools. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.
Mechanical Engineer, Missile Defense Tooling & MGSE Design Senior - Staff True Anomaly IncMechanical Engineer, Missile Defense Tooling & MGSE Design Senior - StaffLong Beach, CA$130,000–$220,000 / yearDemonstrated expertise designing large structural weldments for aerospace GSE and tooling - welded steel frames, launcher support structures, integration stands, and handling bases - with proficiency in weld joint design, weld symbol specification per AWS A2.4, pre- and post-weld distortion control, material selection for weldability, and vendor qualification of WPS and welder certifications. Lead design of complex tooling including precision interceptor assembly fixtures, kill vehicle integration tooling, canister and launcher assembly GSE, STE/ATP fixtures, below-the-hook lifting devices, and missile transportation and environmental containers.
Mechanical Engineer SoloPoint Solutions, Inc.Mechanical EngineerChatsworth, CAPrepare Qualification test plans, similarity reports, acceptance test procedures, qualification test reports & other engineering documentations to support the qualification & certification of products per the applicable FAA and RTCA DO160 guidelines. Devise and implement proof of concept prototype test plans, conduct tests; data collection and test report generation to support the designs.
Senior Mechanical Design Engineer Northwood SpaceSenior Mechanical Design EngineerLos Angeles, CaliforniaTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions such as national security, global connectivity, and disaster response.
Mechanical Engineer Arup Group LtdMechanical EngineerLos Angeles, CA$95,000–$110,000 / yearOur internal employee networks support our inclusive culture - from race, ethnicity and cross-cultural working to gender, LGBTQ+ and disability - we aim to create a space for you to express yourself and make a positive difference - Discover more about life at Arup at www.arup.com/careers/your-life-at-arup. Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working to gender equity and LGBTQ+ and disability inclusion - we aim to create a space for you to express yourself and make a positive difference.
Associate, Mechanical Engineer Arup Group LtdAssociate, Mechanical EngineerLos Angeles, CA$147,050–$200,000 / yearMinimum 12 years of professional experience designing building HVAC systems, including airside and hydronic system components, and experience leading project teams on medium to large scale projects. Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working to gender equity and LGBTQ+ and disability inclusion - we aim to create a space for you to express yourself and make a positive difference.
Mechanical Design Engineer Silvus TechnologiesMechanical Design EngineerLos Angeles, CaliforniaIts battle-proven StreamCaster family of MANET radios and proprietary MN-MIMO waveform provides the vital communications link for defense, law enforcement and public safety agencies around the world, and in the toughest operational environments. Silvus Technologies , a leading provider of advanced MANET and MIMO communications systems, is reshaping mesh network technology for mission-critical applications – on the ground, in the air and at sea.
2026 Intern Conversion - Mechanical Engineer I Blue Origin Enterprises LP2026 Intern Conversion - Mechanical Engineer ILos Angeles, CA$81,313–$113,837.85 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Sustaining Engineering Manager AMETEK IncSustaining Engineering ManagerRosemead, CAReporting directly to the DVP, Business Manager - Interconnect, this leader will champion continuous improvement, develop high-performing teams, and deliver measurable results in safety, quality, delivery, and cost. AMETEK Hermetic Seal is seeking a results-driven Engineering Manager to lead our Sustaining Engineering function and play a key role on the site leadership team.
Spring 2027 Engineering Intern - Undergraduate Blue Origin Enterprises LPSpring 2027 Engineering Intern - UndergraduateLos Angeles, CAand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
NewRF Engineering Intern (2027 Summer Internship) Northwood SpaceRF Engineering Intern (2027 Summer Internship)Los Angeles, CaliforniaTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions such as national security, global connectivity, and disaster response.
Staff Reliability Engineer Sigma Design.Staff Reliability EngineerCosta Mesa, CA$92–$122 / hourThis role drives reliability strategy, develops reliability processes and infrastructure, performs advanced analysis and testing, and partners cross-functionally to improve product performance, identify risks, and ensure robust, production-ready systems. Primary Function: The Staff Reliability Engineer is responsible for leading reliability engineering efforts throughout the product lifecycle, from early concept development and design through manufacturing, production, and field deployment.
Senior pLEO Systems Engineer Blue Origin Enterprises LPSenior pLEO Systems EngineerLos Angeles, CA$145,188–$203,263.20 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Responsibilities include but are not limited to: Provide end-to-end systems engineering support across the bus and mission architecture, partnering closely with embedded engineering teams to deeply understand subsystem design, hardware implementation, and design nuances at a detailed technical level.
Senior Electrical Engineer Syska HennessySenior Electrical EngineerLos Angeles, CaliforniaThe capability to fully design mechanical systems for various building types not only commercial and mixed-use but also mission critical, life science and R+D facilities would be a major plus and good fit for this dynamic role. Working from either our Los Angeles or San Diego offices, you will contribute to the design of major projects from both inpatient and outpatient healthcare engineering design across all phases from around the world.