Jobs at Antares Industries

Senior Test Technician at Antares Industries responsible for building, operating, and maintaining test infrastructure for the R1 reactor. This hands-on role involves assembling test stands, integrating sensors and data acquisition systems, wiring and plumbing hardware, and documenting test results and issues.

Nuclear Operations & Licensing Engineering Intern at Antares Industries for Summer 2027. Interns will contribute to the design, build, and testing of fission microreactors, potentially touching hardware, software, manufacturing, and operations. The role offers hands-on experience in the nuclear energy sector.

Business Operations Finance Intern at Antares Industries for Summer 2027. This role involves contributing to real work from day one, potentially supporting manufacturing and operations, and helping build systems for scaling. The internship offers hands-on experience in the nuclear energy sector.

Senior Turbomachinery Design Engineer at Antares Industries responsible for the mechanical design of turbomachinery components and assemblies for nuclear reactors. This role involves developing hardware from early layouts through detailed CAD, drawings, manufacturing, assembly, and testing, collaborating with various engineering teams and suppliers.

Staff Piping Stress Design Engineer at Antares Industries responsible for the design, analysis, and integration of high-temperature, high-pressure piping systems within the Power Conversion System (PCS). This includes piping specifications, supports, expansion joints, and performing stress and structural analyses under various loading conditions.

Electrical Engineering Intern at Antares Industries for Summer 2027. Interns contribute to the design, build, and testing of fission microreactors, gaining hands-on experience in hardware, software, manufacturing, or systems development.

Multiphysics Software Intern at Antares Industries for Summer 2027. This role involves contributing to the design, build, and testing of fission microreactors. Interns will work on real projects from day one, potentially touching hardware, writing and testing software, or supporting manufacturing and operations.

Supply Chain Manager at Antares Industries responsible for defining and executing the strategic roadmap for supply chain operations. This includes identifying and developing suppliers, maturing supply chains, interfacing with engineering for design for manufacturability, and creating scalable processes and systems.

Senior Nuclear Engineer at Antares Industries responsible for a key component of the reactor design, such as reactivity controls, shielding, fuels, materials, thermal hydraulics, safety, or licensing. Responsibilities include leading neutronics modeling, multiphysics analysis, component design and integration, mentoring junior engineers, developing simulation methods, coordinating validation, and interfacing with regulatory bodies.

The Controller will build and scale the accounting function for Antares Industries, a company developing advanced nuclear energy technology. This hands-on role involves establishing financial systems, controls, and processes to support the company's growth from R&D to commercial deployment, ensuring accuracy, compliance, and operational excellence.

Staff-Principal Tooling Design Engineer at Antares Industries responsible for the design, development, fabrication, qualification, and implementation of tooling and ground support equipment for microreactors. This role involves collaborating with various teams to understand hardware needs and translate them into practical engineering solutions, developing concepts from first principles, and creating detailed CAD models and drawings.

Senior Structural Analyst for space nuclear systems at Antares Industries. This role involves owning structural analysis and dynamics for reactor and spacecraft components, performing stress and dynamics analysis, and supporting hardware development from concept through testing.

Mission Engineer II at Antares Industries. This role involves leading programs for microreactor missions across commercial, defense, and space sectors. The engineer will act as a technical point of contact for customers, driving development and deployment of Antares systems, and integrating products into end-user environments.

Principal Payload Engineer at Antares Industries will lead the development of novel effectors, sensors, and instruments for nuclear-enabled missions. This role involves serving as a technical point of contact for customers, driving mission concept development, and making trade-off decisions on payload projects and technology integration.

Senior Manufacturing Engineer, Fabrication at Antares Industries will own the development and maturation of manufacturing processes for critical reactor hardware. This role focuses on welding, metal forming, and CNC machining, as well as special processes like additive manufacturing, brazing, and diffusion bonding, to turn designs into reliably produced hardware.

Nuclear Operations Engineer at Antares Industries responsible for translating nuclear programs and systems into executable, deployable approaches. This role involves running and operating reactor systems, ensuring successful deployment, startup, and operation aligned with design and safety bases. Key responsibilities include ensuring safe and efficient operation of reactor experiments and plant facilities, managing nuclear training programs, and identifying staffing needs.

Staff-Principal Reliability Engineer at Antares Industries responsible for quantitative reliability analysis of the Antares R1 microreactor. This includes developing and maintaining reliability, availability, and capacity factor models, establishing reliability targets, and translating goals into measurable requirements for various systems.

Senior Turbomachinery Aerodynamics Engineer at Antares Industries responsible for the aerodynamic and aeromechanical design of compressor and turbine stages for nuclear reactors. This role involves developing turbomachinery from early sizing through detailed design, structural analysis, and test validation, collaborating with various engineering teams.

Materials Engineer - Metallurgy at Antares Industries will aid in the development and qualification of materials for reactor systems. Responsibilities include developing experiments, processes, and quality control, as well as collaborating with vendors to address material behavior gaps. The role requires a deep understanding of various materials, including ceramics and metallic alloys, and applying materials science knowledge to manufacturing and innovation.

Licensing Engineer at Antares Industries to develop and execute licensing and permitting strategies for microreactor deployments. This role involves preparing regulatory products, coordinating engagements, translating requirements, and working with engineering, safety analysis, operations, and customers.

Reactor Software Engineering Intern at Antares Industries for Summer 2027. This role involves contributing to the design, build, and testing of fission microreactors. Interns will work alongside engineers on real projects, potentially touching hardware, writing and testing software, or supporting manufacturing and operations.

Staff Turbomachinery Design Engineer at Antares Industries responsible for turbomachinery hardware from concept through development, qualification, and production. This role involves owning the technical execution of the complete turbomachine, coordinating analysis, design, manufacturing, and testing to meet program requirements.

Structural Analyst II at Antares Industries will build and run thermal-structural models of components and subsystems for microreactors. Responsibilities include providing thermal-mechanical assessments, supporting test campaigns, and performing root cause analysis.

Mechanical Design Engineer II (PCS) at Antares Industries. This role involves designing hardware for the Power Conversion System (PCS), focusing on the working-fluid pressure boundary, structural architecture, and high-temperature components. Responsibilities include resolving inter-component issues like routing, supports, thermal growth, leak-tightness, and assembly sequence, as well as managing the mechanical arrangement and pressure budget.

Antares Industries is seeking a Business Development Manager to build the U.S. commercial market for its microreactors. This role involves identifying and evaluating customers and applications, translating market opportunities into projects, and advancing them to commercial agreements. The manager will assess project success factors including economics, policy, and financing, and will also support international business development.

The Recruiting Coordinator at Antares Industries supports the People & Talent team in hiring specialized talent. This role involves assisting recruiters, partnering with hiring managers, and ensuring a positive candidate experience.

Senior Thermo-mechanical Engineer at Antares Industries responsible for the thermal energy budget and its impact on Power Conversion System (PCS) hardware. This role involves developing heat rejection and cold-sink architecture, sizing and integrating the recuperator, defining thermal configurations, and managing temperature-related life-limited hardware.

Mechanical Design Engineer responsible for the mechanical design and development of hardware for reactor electronic systems at Antares Industries. This includes designing enclosures, equipment racks, mounting hardware, and cable management features, and collaborating with cross-functional teams.

Antares Industries is seeking a Strategic Finance Associate to join their Finance organization. The role involves working directly with the Head of Finance and company leadership on critical financial and strategic decisions, including corporate finance, financial modeling, manufacturing economics, capital allocation, commercial and government programs, fundraising, and long-range planning.

Equipment Reliability Engineer at Antares Industries responsible for ensuring critical manufacturing equipment, including CNC machine tools, is safe, available, and capable. This role involves leading breakdown repairs, establishing preventive and predictive maintenance, building a CMMS, and overseeing new equipment commissioning.

Thermal-Mechanical Engineer II at Antares Industries responsible for the Power Conversion System's thermal management. This includes owning the thermal budget, heat rejection, recuperator integration, hot section thermal configuration, and managing temperature-related life-limited hardware. The role involves testing, data correlation, and model refinement.

Antares Industries is seeking a Head of Marketing & Communications to build and lead a world-class function. This executive role will set and implement strategy to advance company growth, strengthen market position, and influence customers and stakeholders. Responsibilities include proactive communications, executive preparation, events, customer marketing, internal communications, brand management, crisis management, and content creation.

Space Mechanical Design Engineering Intern at Antares Industries for Summer 2027. Interns contribute to the design, build, and testing of fission microreactors. The role involves hands-on experience with hardware, software, manufacturing, and operations.

Antares Industries is seeking a Senior or Staff Embedded Software Engineer to develop real-time software for microreactor hardware. This role involves end-to-end ownership of embedded systems, from design to operations, and collaboration with various engineering teams.

Electrical Engineer at Antares Industries responsible for the architecture, design, testing, and integration of instrumentation and control (I&C) and power distribution systems for advanced nuclear microreactors. This role involves hands-on electrical design, hardware development, and documentation for licensing.

Quality Engineering Intern at Antares Industries for Summer 2027. This role involves contributing to the design, build, and testing of fission microreactors. Interns will work alongside experienced engineers and experts, gaining hands-on experience in areas such as hardware, software, manufacturing, and operations.

Senior Mechanical Design Engineer focused on Reactivity Controls at Antares Industries. This role involves leading the design, development, testing, and validation of mechanical systems for reactor reactivity and safe operation. The engineer will architect and build mechanical mechanisms that interface with electrical and software subsystems.

Antares Industries is seeking its first General Counsel, a seasoned legal leader to build and own the legal and compliance foundation for their nuclear microreactor business. This executive role involves serving as a strategic partner to the CEO and executive team, leading legal and compliance functions, and collaborating with various departments to ensure regulatory adherence during prototyping through full-rate production and commercial deployment.

Reliability Engineer II - Senior at Antares Industries. This role focuses on quantitative reliability analysis for the Antares R1 microreactor, including developing and maintaining reliability, availability, and capacity factor models. The engineer will establish reliability targets and translate them into measurable requirements for various systems.

Mechanical Engineering Design Intern for Summer 2027 at Antares Industries. This role involves contributing to the design, build, and testing of fission microreactors for terrestrial, underwater, and space applications. Interns will work alongside experienced engineers on real projects from day one.

Mechanical Design Engineer II - Reactivity Controls at Antares Industries. This role involves leading the design, development, testing, and validation of mechanical systems for reactor reactivity control and safe operation. Responsibilities include architecting and building mechanical mechanisms that interface with electrical and software subsystems.

Senior Thermal Analyst at Antares Industries responsible for the thermal design and analysis of space nuclear vehicles. This role involves developing and validating thermal models for reactor cores, spacecraft, and radiator systems, and guiding architectural decisions and hardware design trades.

Senior Electrical Engineer at Antares Industries responsible for the architecture, design, testing, and integration of instrumentation and control (I&C) and power distribution systems for advanced nuclear microreactors. This role involves hands-on electrical design, hardware development, and preparing documentation for licensing.

Senior Systems Engineer at Antares Industries responsible for product quality from design through decommissioning. This role involves working with cross-functional teams to ensure requirements are incorporated, validated, and verified throughout the reactor lifecycle, focusing on reliability, safety, and performance standards.

Senior Radiation Shielding Engineer at Antares Industries responsible for characterizing radiation sources and designing/analyzing radiation shielding for microreactor operation, shutdown, transportation, storage, and disposition. The role involves applying analysis tools to characterize radiation from fission, activation, and decay, and working with the reactor and site design team to meet customer requirements.

This is an IT Helpdesk Intern position for Summer 2027 at Antares Industries. The intern will contribute to real work from day one, supporting the company's mission of making clean energy abundant through advanced nuclear microreactors. The role involves hands-on experience in a fast-paced environment.

Senior/Staff Nuclear Safety Analysis Engineer at Antares Industries responsible for the safety analysis product for the Mark 1 reactor. This role involves leading intact-event safety analysis, driving source term calculations, and translating reactor physics uncertainties into radiological dose results.

This is a general application for engineers at Antares Industries. The role family is engineering, and the seniority is mid-level. The company is focused on developing mass-producible, inherently safe microreactors for clean energy applications.

Welding Engineer II at Antares Industries supporting the development, qualification, and production of welded hardware for reactor systems. Responsibilities include owning welding processes from design through acceptance, developing and qualifying welding procedures (WPS, PQR), and working with cross-functional teams to ensure welded assemblies meet requirements.

Manufacturing Engineering Intern for Summer 2027 at Antares Industries. This role involves contributing to the design, build, and testing of fission microreactors. Interns will work on real projects, potentially touching hardware, software, manufacturing, and operations.

Manufacturing Engineer I-II, Machining at Antares Industries. This role involves manufacturing and assembly of nuclear reactors, developing R&D facilities, and documenting special processes. Responsibilities include ensuring parts are manufacturable, leading manufacturing planning, and assisting with in-house vs. outsourcing decisions.

Senior Mission Engineer at Antares Industries leading programs for commercial, defense, and space microreactor missions. This role involves serving as a technical point of contact for customers, driving development and deployment of systems, and owning product integration into end-user environments.

Senior Test Engineer at Antares Industries responsible for designing, building, and owning test infrastructure for the R1 microreactor. This role involves developing end-to-end test plans for components and subsystems, documenting testing best practices, and collaborating with cross-functional teams to validate hardware performance.

Senior Manufacturing Engineer, Electrical Engineering at Antares Industries. This role involves manufacturing and assembly of nuclear reactors, developing the first R&D facility, and ensuring parts are manufacturable and integrable. The engineer will lead manufacturing planning, assist with in-house vs. outsourcing decisions, and vendor selection.

Nuclear Engineering Intern at Antares Industries for Summer 2027. Interns will contribute to the design, build, and testing of fission microreactors, potentially touching hardware, software, manufacturing, or systems scaling. The role offers hands-on experience in nuclear energy.

Embedded Controls Engineer for a power conversion system (PCS) at Antares Industries. This role involves owning and expanding control software, evolving a Simulink implementation into a robust real-time application. Responsibilities include architecture, development, validation, deployment, and troubleshooting of the control system.

This is a Senior Tooling Design Engineer II role at Antares Industries. The engineer will own the design, development, fabrication, qualification, and implementation of tooling and ground support equipment for microreactors. Responsibilities include creating 3D CAD models, assemblies, and drawings, and performing mechanical design and analysis.

Thermofluids Analysis Intern at Antares Industries for Summer 2027. This role involves contributing to the design, build, and testing of fission microreactors. Interns will work alongside experienced engineers and experts on real projects, gaining hands-on experience in the nuclear energy sector.

Senior/Staff Electrical Systems Engineer at Antares Industries responsible for the Instrumentation and Controls (I&C) electrical system requirements. This role involves defining what each component must do, how it can fail, and how to prove its performance for regulatory approval.

Senior Mechanical Design Engineer on the Power Conversion System (PCS) at Antares Industries. This role involves designing the hardware that integrates turbomachinery, motor-generator, recuperator, and primary heat exchanger into an operable power plant, focusing on the working-fluid pressure boundary, structural architecture, and high-temperature hardware.

Senior Power Electronics Engineer at Antares Industries responsible for the high-power electrical architecture of the plant. This role involves defining the common DC bus architecture, establishing performance and fault-handling requirements, leading supplier selection, and driving the roadmap for future power and deployment scaling.

Enterprise Software Engineer at Antares Industries. This role focuses on building the operating backbone for quality systems, connecting supplier execution, manufacturing, purchasing, quality, engineering, and finance. The engineer will administer enterprise tools, map business processes, build automations, and create workflows to track commitments and surface blockers.

Nuclear Engineer I/II at Antares Industries will be responsible for key components of the reactor design, including reactivity controls, instrumentation, shielding, fuels, materials, thermal hydraulics, safety, or licensing. Responsibilities include neutronics modeling, multiphysics analyses, experimental validation, design iteration, documentation, and prototype testing.