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Micro Reactor Jobs (NOW HIRING)

Zap Energy

Micro Reactor Lead Engineer

Everett, WA · On-site

$150K - $210K/yr

About the Opportunity Zap Energy is seeking a Reactor Team Lead to support the Zap Micro Reactor (ZMR) program. In this role, you will lead an integrated product team through the full product ...

AMPERA INC

Senior Nuclear Engineer

Palm Beach Gardens, FL · Hybrid

$98K - $135K/yr

These engineers will play a critical role in the design, analysis, and validation of AMPERAs compact micro-reactor systems working at the intersection of nuclear physics, thermal-hydraulics, fuel ...

AMPERA INC

Senior Nuclear Engineer

Palm Beach Gardens, FL · Hybrid

$98K - $135K/yr

These engineers will play a critical role in the design, analysis, and validation of AMPERAs compact micro-reactor systems working at the intersection of nuclear physics, thermal-hydraulics, fuel ...

Zap Energy

Reactor Core Design Engineer

Everett, WA · On-site

$150K - $210K/yr

About the Opportunity Zap Energy is seeking a Core Design Engineer to support the Zap Micro Reactor (ZMR) program. In this role, you will be a part of an integrated product team to deliver a liquid ...

Radiant Industries

Supply Chain Manager

El Segundo, CA · On-site

$85K - $168K/yr

... micro-reactor systems. This role is crucial in building and maintaining a resilient, cost-effective, and reliable supply base. You will work closely alongside our Supplier Development Engineers (SDEs ...

Radiant

Direct Procurement Manager

El Segundo, CA · On-site

$85K - $168K/yr

... micro-reactor systems. This role is pivotal in establishing and maintaining a resilient, cost-effective, and reliable supply base. As Procurement Manager, you will collaborate closely with our ...

Radiant

Direct Procurement Manager

El Segundo, CA · On-site +1

... micro-reactor systems. This role is pivotal in establishing and maintaining a resilient, cost-effective, and reliable supply base. As Procurement Manager, you will collaborate closely with our ...

Radiant

Supply Chain Manager

El Segundo, CA · On-site

$85K - $168K/yr

... micro-reactor systems. This role is crucial in building and maintaining a resilient, cost-effective, and reliable supply base. You will work closely alongside our Supplier Development Engineers (SDEs ...

Antares

Thermal - Fluids Analyst I / II

Los Angeles, CA · On-site

$90K - $150K/yr

... R1 micro-reactor. Design engineers will rely on your modeling and technical expertise for iterative design feedback and optimization, while adhering to best practices for DFM (design for ...

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Micro Reactor information

What are micro reactor operators?

Micro reactor operators are professionals responsible for managing and overseeing the operation of small-scale nuclear reactors, often referred to as micro reactors. Their duties include monitoring reactor systems, ensuring safety protocols are followed, performing routine checks, and responding to any operational anomalies. Micro reactors are designed for modular, flexible power generation in remote or specialized settings, so operators often need specialized training in both nuclear technology and safety. These operators play a crucial role in ensuring the safe and efficient generation of power from micro reactor systems.

What are some common challenges faced by micro reactor operators in a laboratory setting?

Micro reactor operators frequently encounter challenges such as maintaining precise temperature and pressure control due to the small scale of the equipment. They must also ensure consistent mixing and flow rates to achieve reproducible results, which can be more sensitive to minor fluctuations compared to larger reactors. Additionally, troubleshooting instrumentation and maintaining safety protocols in confined spaces are integral parts of the role. Effective communication with chemists and engineers is essential, as micro reactor operations often support rapid experimentation and process development.

What are the key skills and qualifications needed to thrive as a Micro Reactor Engineer, and why are they important?

To thrive as a Micro Reactor Engineer, you need a solid background in nuclear engineering, thermodynamics, and reactor physics, typically supported by a relevant engineering degree. Familiarity with nuclear simulation software, CAD tools, and regulatory safety standards is essential, and certifications such as a Professional Engineer (PE) license can be advantageous. Strong analytical thinking, attention to detail, and effective teamwork skills help address complex reactor design and safety challenges. These skills ensure safe, efficient, and innovative development or operation of micro reactor technologies.

What is the difference between Micro Reactor vs Nuclear Reactor Operator?

AspectMicro ReactorNuclear Reactor Operator
Required CredentialsEngineering degree or specialized training, certifications varyLicense from nuclear regulatory authority, extensive training
Work EnvironmentSmall-scale, often portable or modular facilitiesLarge, centralized nuclear power plants
Industry UsageEmerging energy solutions, remote power, researchTraditional nuclear power generation
Job FocusDesign, maintenance, and operation of small reactorsMonitoring, controlling, and ensuring safety of nuclear reactors

Micro Reactor and Nuclear Reactor Operator roles differ mainly in scale and environment. Micro Reactors are small, often portable units used for innovative energy solutions, requiring specialized training. Nuclear Reactor Operators work in large power plants, holding specific licenses and overseeing traditional nuclear energy production. Both roles demand technical expertise but serve different operational contexts.

Infographic showing various Micro Reactor job openings in the United States as of May 2026, with employment types broken down into 1% As Needed, 97% Full Time, 1% Part Time, and 1% Contract. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution.
Micro Reactor Lead Engineer

Micro Reactor Lead Engineer

Zap Energy

Everett, WA • On-site

$150K - $210K/yr

Full-time

Posted 12 days ago

Job description

About Zap Energy
Zap is advancing the next generation of nuclear power technology across fusion, fission and hybrid applications. Built on an integrated platform of high-energy-density physics and pulsed power, liquid metals and advanced materials, and compact, modular systems, Zap is building the foundational technologies needed to deploy the energy sources of the future.
About the Opportunity
Zap Energy is seeking a Reactor Team Lead to support the Zap Micro Reactor (ZMR) program. In this role, you will lead an integrated product team through the full product lifecycle (design, testing, fabrication, commissioning, build) to deliver a liquid metal cooled fission reactor in support of Zap's integrated nuclear mission. The ideal candidate has extensive experience in mechanical engineering, including industry codes and standards (ASME BPVC), and familiarity with nuclear reactor design analysis methods and tools. This role requires identifying and solving ill-defined first-of-a-kind problems. Being a team player is foundational to success in this role.
Key Responsibilities
  • Leadership: Plan, organize and lead reactor engineering and hardware delivery, within an NQA-1 program, including:
    • Reactor Core
    • Nuclear Fuel
    • Reactor Internals
    • Reactor Vessel
    • Reactivity Control System
    • Software V&V
    • Integration of Design, Testing, and Safety Case Activities
    • Development of Design Basis Documentation
  • Line Manager: Build out the Reactor team, including expertise in nuclear reactor analysis, fuel design and qualification, and high-temperature vessel design. Act as line manager for your team. Develop and monitor metrics to assess and improve team performance. Own your team's technical performance, delivery of scope, and their professional development.
  • Individual Contribution: Perform engineering analysis in support of Reactor development. Write high quality documentation with rigor commensurate with the stage of the project and required quality level. Plan and assign work packages to meet schedule milestones. Review and approve engineering deliverables, including supplier submittals. Be the primary point of contact for the ZMR Reactor design basis.
  • Cross-Functional Collaboration: Work with design, testing, and integration teams to ensure design basis and safety basis are in-sync. Identify and evaluate engineering trade-offs for design basis and safety-basis, especially when in conflict. Identify key testing activities to simplify or gain confidence in the design. Actively identify areas for engineering and process improvement, including implementation of solutions.
  • Supplier Collaboration: Act as the technical representative for supplier collaborations.
  • Quality Assurance: Perform work within a graded quality assurance program. Identify and implement right-sized solutions to increase efficiency in execution, especially for cross-organizational functions related to quality assurance.

Qualifications
  • Education: Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering or related field from an ABET-accredited program is required.
  • Technical Experience: At least 8 years of experience in engineering and delivery of complex systems, including nuclear reactors, flight vehicles, and industrial plants. Preference toward advanced non-water-cooled nuclear reactors.
  • Technical Skills: Proficiency in mechanical design and analysis according to ASME Codes & Standard. Proficiency in nuclear reactor physics, thermal hydraulics, and transient behavior. Experience using reactor analysis tools and software, including writing design and calculation reports. Knowledge of modern software engineering practices and programming languages, such as Python.
  • Managerial Experience: At least 2 years of experience managing a team of three or more direct reports.
  • Communication: Excellent technical writing skills and the ability to clearly present complex information to both internal and external stakeholders, including regulators.
  • Licenses/Certifications: A Professional Engineer (PE) license is a bonus.

Personal Attributes and Skills
  • Strong commitment to safety, quality, and ethical standards in engineering, including the ability to infuse this commitment throughout the organization.
  • Strong analytical and problem-solving skills with attention to detail.
  • Self-starter and can-do attitude.
  • Familiarity and competence with basic program management processes and tools.
  • Outside the box thinking, grounded in practical engineering solutions.
  • Effective communication skills, both verbal and written.
  • The ability to collaborate in a multidisciplinary team environment.
  • Adaptability, resilience, and commitment to continuous learning.

Employment may be conditioned upon the ability to obtain export authorization. Estimated salary range: $150,000-210,000 annually. Candidates may be considered for other positions at Zap Energy and actual salary will be based on relevant education, experience, and other qualifications. Range is published in accordance with Washington Equal Pay and Opportunity Act.
Zap Energy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws and regulations.

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