Director of Test Engineering Radiant IndustriesDirector of Test EngineeringEl Segundo, CaliforniaThis is a hands-on leadership role: you will build and run a service organization that designs test setups, develops instrumentation and data acquisition systems, executes test campaigns, and delivers high-quality data and reports to engineering teams. 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.
Tooling Engineer General MatterTooling EngineerLos Angeles, CaliforniaExperience in a fast-paced engineering environment or a highly technical role requiring a resourceful, entrepreneurial approach to complete tasks within tight timeframes or budget constraints. You will collaborate with engineering and production teams to creates jigs, fixtures, and assembly aids, from rapid prototyping to sophisticated tooling.
Manufacturing Engineer AntaresManufacturing EngineerLos Angeles, CaliforniaAt Antares, we like to specifically tie each role to our founding document’s set of values–here are the top five cultural values we think you should believe at your core to be successful: Think in Systems - Energy and Defense are complex ecosystems with numerous stakeholders with competing priorities, conflicting policies, perverse incentives, and emergent and path-dependent properties. 3+ years of experience in one or more of the following areas: special process manufacturing, process qualification, aerospace/nuclear super alloys, handling hazardous materials (i.e. acids, alkali metals), manufacturing/production engineering, reliability engineering, work instruction creation, project/research-based student experience.
CNC Machinist (Mill & Lathe) General MatterCNC Machinist (Mill & Lathe)Los Angeles, CaliforniaGeneral Matter is seeking a highly skilled Senior CNC Machinist with deep hands-on experience across CNC Mills and CNC Lathes, with a strong emphasis on live tooling programming and complex multi-axis work. In the process, we are restoring America’s ability to produce nuclear fuel to power AI, advanced manufacturing and critical industries our country relies on to remain competitive.
CNC Machinist Radiant Industries IncCNC MachinistEl 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.
CNC Machinist Radiant NuclearCNC MachinistEl 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.
CNC Machinist Radiant IndustriesCNC MachinistEl Segundo, CaliforniaPortable 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.
Quality Manager, Manufacturing General MatterQuality Manager, ManufacturingLos Angeles, CaliforniaOur mission is to restore America’s ability to produce nuclear fuel—fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. This is a chance to design the inspection plans, calibration systems, and QMS for a brand-new precision CNC operation, not just inherit someone else’s.
Manufacturing Engineer I-II, Machining AntaresManufacturing Engineer I-II, MachiningLos Angeles, CaliforniaAt Antares, we like to specifically tie each role to our founding document’s set of values–here are the top five cultural values we think you should believe at your core to be successful: Think in Systems - Energy and Defense are complex ecosystems with numerous stakeholders with competing priorities, conflicting policies, perverse incentives, and emergent and path-dependent properties. 2+ years of experience in one or more of the following areas: special process manufacturing, process qualification, aerospace/nuclear super alloys, handling hazardous materials (i.e. acids, alkali metals), manufacturing/production engineering, reliability engineering, work instruction creation, project/research-based student experience.
Manufacturing Leader AntaresManufacturing LeaderLos Angeles, CaliforniaAt Antares, we like to specifically tie each role to our founding document’s set of values–here are the top five cultural values we think you should believe at your core to be successful: Think in Systems - Energy and Defense are complex ecosystems with numerous stakeholders with competing priorities, conflicting policies, perverse incentives, and emergent and path-dependent properties. This position requires a hands-on leader with strong technical judgment, experience building manufacturing systems from early development through scaled production, and the ability to align people, processes, and facilities with aggressive program timelines.
Materials Special Inspector Terracon Consultants IncMaterials Special InspectorCarson, CACommunicates information to Project Manager and other personnel as directed by the PM.Has experience and proficiency in multiple areas of field testing and inspection and or laboratory testingMay train lower level techniciansMay lead the activities of other engineering technicians in the laboratory or on larger field projects. ICC certification in two or more of the following categories: Reinforced Concrete, Spray-applied Fireproofing, Structural Masonry, Prestressed/Post-Tensioned Concrete, Structural Steel - Bolting, Structural Steel - Welding.
Chemical Operations Manager General MatterChemical Operations ManagerLos Angeles, CaliforniaYou will have the opportunity to work on a groundbreaking project, collaborating with engineering, R&D, procurement, and project teams to identify, procure, and validate the equipment, chemicals, and laboratory capabilities needed to support operations. In conjunction with industrial health and safety staff, develop required Job Hazard Analyses (JHAs) and ensure necessary safety protocols, equipment, procedures and training are established to ensure a safe and compliant work environment.
Test Specialist General MatterTest SpecialistLos Angeles, CaliforniaOwn test assets including Data acquisition systems (DAQ) and test stands, maintaining a test facility that is safe, clean, calibrated, and ready for future testing. Fuel drives the cost of advanced reactor electricity production, and enrichment drives the cost of the fuel that advanced reactors consume.
Test and Operations Engineering Intern - Fall 2026 HermeusTest and Operations Engineering Intern - Fall 2026Los Angeles, CAFall: Around 16 weeks (August - December) Responsibilities: Work alongside experienced engineers to support the planning, execution, and analysis of flight tests, gaining direct exposure to real-world aerospace challenges. You will work alongside engineers, technicians, and cross-functional teams to assist with hardware integration, system checkout, development testing, and test readiness activities.
Test And Operations Engineering Intern - Fall 2026 HermeusTest And Operations Engineering Intern - Fall 2026Los Angeles, CA$25–$33 / hourResponsibilities: Work alongside experienced engineers to support the planning, execution, and analysis of flight tests, gaining direct exposure to real-world aerospace challenges. You will work alongside engineers, technicians, and cross-functional teams to assist with hardware integration, system checkout, development testing, and test readiness activities.
Build Engineer, Turbomachinery - 2026 New Graduate Radiant Industries IncBuild Engineer, Turbomachinery - 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.
Build Engineer, Turbomachinery Radiant Industries IncBuild Engineer, TurbomachineryEl 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.