11 jobs in Hadron Energy, Inc.

Base pay range

$100,000.00/yr - $150,000.00/yr

Hadron Energy is a full‑time on‑site Materials Engineer role based in the San Francisco Bay Area. The position is ideal for candidates with strong technical expertise in materials science, metallurgy, and thermal‑mechanical analysis who are passionate about advancing safe, durable, and high‑performance materials for next‑generation nuclear systems.

• Lead material selection, evaluation, and qualification for components operating under nuclear, thermal, and mechanical stress conditions.
• Conduct material property analysis, testing, and characterization, including tensile, creep, fatigue, and corrosion testing.
• Collaborate with design and structural teams to ensure materials meet performance, safety, and lifecycle requirements.
• Support development of welding, joining, and fabrication processes for high‑temperature alloys and pressure‑boundary materials.
• Interface with suppliers, laboratories, and research institutions to source and validate advanced materials and coatings.
• Contribute to design of radiation‑tolerant and corrosion‑resistant materials for reactor and balance‑of‑plant systems.
• Develop and maintain material databases, specifications, and test plans in alignment with ASME, ASTM, and NRC standards.
• Support component and subsystem testing programs, analyzing results and recommending design or process improvements.
• Collaborate with QA and regulatory teams to ensure material traceability, documentation, and quality compliance.
• Research emerging materials technologies applicable to nuclear and energy systems (e.g., ceramics, composites, advanced steels).

• Bachelor’s or Master’s degree in Materials Science, Metallurgical Engineering, Mechanical Engineering, or a related field (PhD preferred for senior roles).
• 5+ years of experience in materials development, selection, or qualification, preferably within nuclear, aerospace, or energy industries.
• Strong understanding of metallurgy, thermal‑mechanical behavior, and material degradation mechanisms.
• Experience with high‑temperature alloys, stainless steels, ceramics, and corrosion‑resistant materials.
• Familiarity with ASME Section III, ASTM standards, and nuclear materials codes and regulations.
• Hands‑on experience with material testing methods, microstructural analysis (SEM, EDS), and non‑destructive evaluation (NDE).
• Knowledge of radiation effects, oxidation, and embrittlement phenomena in metallic and nonmetallic materials.
• Excellent analytical and problem‑solving skills, with strong attention to detail and documentation discipline.
• Ability to work collaboratively with multidisciplinary engineering and research teams.
• Passion for innovation, clean energy, and developing materials that enable the next generation of nuclear technology.

Direct message the job poster from Hadron Energy, Inc.

Process Engineer – Role Description

This is a full-time on-site role for a Process Engineer , based in the San Francisco Bay Area. The position is ideal for candidates with strong analytical, systems, and thermal-fluid backgrounds who are passionate about designing, optimizing, and scaling advanced energy systems.

The Process Engineer will play a key role in developing and refining the process systems that support Hadron Energy’s micro modular reactor (MMR) technology. This includes modeling thermal, hydraulic, and chemical processes across the plant; designing heat transfer and fluid systems; and ensuring efficient integration between the reactor, balance-of-plant, and auxiliary systems.

You will work closely with multidisciplinary teams—including mechanical, nuclear, and controls engineers—to translate conceptual designs into optimized, manufacturable process systems. This role offers the opportunity to directly influence the efficiency, reliability, and scalability of Hadron’s reactor platform in a fast-paced, innovation-driven environment.

• Develop process flow diagrams (PFDs) and piping and instrumentation diagrams (P&IDs) for key reactor and plant subsystems
• Model and analyze thermal-fluid systems, including coolant loops, heat exchangers, condensers, and auxiliary processes
• Conduct mass and energy balance calculations to optimize system efficiency and safety margins
• Design and evaluate system configurations for heat transport, power conversion, and water/steam handling
• Collaborate with the Balance of Plant and Mechanical Engineering teams to ensure cohesive system integration
• Support component specification and procurement for pumps, valves, instrumentation, and heat exchangers
• Perform process hazard analyses (PHAs) and participate in design and safety reviews
• Develop and validate steady-state and transient process simulations using tools such as Aspen HYSYS, COMSOL, ANSYS Fluent, or Modelica
• Support prototype testing, commissioning, and data collection activities for process validation
• Prepare documentation, calculations, and reports to support internal reviews and regulatory submissions

• Bachelor’s or Master’s degree in Chemical Engineering, Mechanical Engineering, Nuclear Engineering, or a related field
• 5+ years of experience in process engineering, thermal systems design, or power generation
• Strong proficiency in process modeling and simulation software (e.g., Aspen HYSYS, RELAP5, COMSOL, or equivalent)
• Experience designing or analyzing thermal-fluid systems such as coolant loops, heat exchangers, or pressure vessels
• Knowledge of heat transfer, thermodynamics, and fluid mechanics principles applied to high-efficiency energy systems
• Familiarity with ASME codes, P&ID development, and process safety standards
• Understanding of nuclear or advanced energy system processes is a plus
• Excellent analytical, organizational, and technical communication skills
• Ability to work cross-functionally and manage multiple priorities in a dynamic startup environment
• Passion for innovation, clean energy, and enabling the next generation of advanced nuclear technologies

Hadron Energy specializes in Micro Modular Reactor (MMR) development, design, and research based in the San Francisco Bay Area. As the leading MMR developer, Hadron Energy is building factory‑produced, transportable microreactors that provide 24/7 carbon‑free power for data centers, government facilities, industrial sites, and remote communities. Our mission is to create a brighter, healthier, and more equitable energy future.

This is a full‑time on‑site role for a Probabilistic Risk Assessment Engineer , based in San Francisco, CA . This senior position is ideal for candidates with extensive experience in nuclear safety, risk assessment, and regulatory engagement who are passionate about licensing the next generation of advanced reactors.

In this role you will be responsible for leading the development and integration of Hadron's comprehensive safety case, serving as the critical link between our engineering team and regulatory authorities. You will spearhead the Probabilistic Risk Assessment (PRA) efforts, develop key sections of the Safety Analysis Report (SAR) , and define the licensing basis for our micro modular reactor. You will build and defend the definitive argument that proves our design meets and exceeds all safety requirements.

• Bachelor's, Master's, or PhD in Nuclear Engineering or a related field
• 5+ years of experience in nuclear safety analysis, probabilistic risk assessment, and reactor licensing
• Deep expertise in PRA methodologies (Level 1, 2, and 3) and familiarity with ASME/ANS PRA standards
• Direct experience interfacing with the Nuclear Regulatory Commission (NRC) and navigating 10 CFR Part 50 or Part 52 licensing processes
• Proven ability to develop, write, and defend sections of a Safety Analysis Report (SAR)
• Proficiency with PRA software such as SAPHIRE, RiskSpectrum, or equivalent
• Strong understanding of severe accident phenomena, reactor systems, and thermal‑hydraulics
• Experience with advanced reactor or non‑LWR licensing is a major plus
• Strong analytical, communication, and teamwork skills
• Passion for clean energy and a startup‑minded approach to problem‑solving

• Mid‑Senior level

• Full‑time

• Engineering and Design

• Utilities, Energy Technology, and Manufacturing

Hadron Energy specializes in Micro Modular Reactor (MMR) development, design, and research based in the San Francisco Bay Area. As the leading MMR developer, Hadron Energy is building factory-produced, transportable microreactors that provide 24/7 carbon-free power for data centers, government facilities, industrial sites, and remote communities. Our mission is to create a brighter, healthier, and more equitable energy future.

This is a full-time on-site role for an Instrumentation & Controls (I&C) Engineer based in the San Francisco Bay Area. The position is ideal for candidates with extensive nuclear I&C experience who are passionate about advancing safe, scalable nuclear technology. You will be responsible for the design, specification, integration, and validation of control, protection, and monitoring systems for Hadron’s micro modular reactor. This includes developing reactor protection system logic, control strategies for balance-of-plant systems, and implementing safety-critical I&C architectures in compliance with nuclear regulatory requirements.

The role requires close collaboration with reactor physics, thermal-hydraulics, electrical, and regulatory engineering teams. You will have opportunities for hands-on design, vendor engagement, and innovation in a fast-paced startup environment focused on next-generation nuclear systems.

• Lead design and specification of I&C systems for nuclear and balance-of-plant applications
• Develop reactor protection system logic, alarm and monitoring systems, and control room interfaces
• Ensure compliance with nuclear safety, cybersecurity, and regulatory standards (NRC, IEEE, IEC)
• Oversee hardware/software integration, including sensors, PLCs, digital control systems, and HMIs
• Collaborate with multidisciplinary teams to define I&C requirements, architecture, and verification plans
• Coordinate development of instrumentation and data acquisition systems with third party partners
• Support factory acceptance testing (FAT), site integration, and commissioning of I&C systems
• Engage with vendors and regulators to ensure design compliance and qualification of safety-critical equipment

• Bachelor’s, Master’s, or PhD in Electrical, Mechanical or Nuclear Engineering, or a related field
• 5+ years of experience in I&C for nuclear power plants or nuclear systems (reactors, test facilities, or advanced reactors)
• Strong understanding of nuclear safety-class I&C systems, regulatory frameworks, and qualification processes
• Proficiency with digital I&C system design, including PLC/DCS programming and hardware integration
• Experience with radiation monitoring systems, reactor trip/protection systems, and safety interlocks
• Familiarity with cybersecurity requirements for nuclear I&C systems (NEI 08-09, NRC guidance, or IEC 62645)
• Hands-on experience with system testing, verification, and validation
• Excellent communication, documentation, and teamwork skills
• Startup-minded approach with a passion for clean energy and innovative problem-solving