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Neutronics Jobs in Texas (NOW HIRING)

Last Energy

Senior Nuclear Engineer

Austin, TX

$103K - $142K/yr

Lead and perform complex thermal-hydraulic and neutronics calculations * Independently verify and approve engineering calculations and safety analyses prepared by peers and junior engineers * Provide ...

Last Energy

Senior Nuclear Engineer

Austin, TX · On-site

$103K - $142K/yr

Lead and perform complex thermal-hydraulic and neutronics calculations * Independently verify and approve engineering calculations and safety analyses prepared by peers and junior engineers * Provide ...

Last Energy

Senior Nuclear Engineer

Austin, TX

$103K - $142K/yr

Lead and perform complex thermal-hydraulic and neutronics calculations * Independently verify and approve engineering calculations and safety analyses prepared by peers and junior engineers * Provide ...

All JobsNeutronics JobsNeutronics Jobs in Texas

Neutronics information

What are the key skills and qualifications needed to thrive as a neutronics engineer, and why are they important?

To thrive as a Neutronics Engineer, you need a solid background in nuclear engineering, physics, and mathematics, typically supported by a relevant degree. Familiarity with reactor physics codes (such as MCNP or SCALE), simulation software, and sometimes a Professional Engineer (PE) license are often required. Analytical thinking, problem-solving abilities, and clear communication are crucial soft skills for effectively interpreting complex data and collaborating with multidisciplinary teams. These skills ensure the safe, efficient, and accurate modeling of nuclear systems, which is essential for reactor design, operation, and regulatory compliance.

What is neutronics?

Neutronics is the study of the behavior and movement of neutrons within nuclear reactors or other systems where nuclear reactions occur. It involves analyzing how neutrons interact with materials, how they are absorbed or scattered, and how their distribution affects the operation and safety of a nuclear reactor. Neutronics specialists use mathematical models and simulations to optimize reactor design, ensure efficient fuel usage, and maintain safety standards. This field is essential for the effective and safe generation of nuclear energy.

What are some common challenges faced by professionals working in neutronics, and how can they be addressed?

Professionals in neutronics often encounter challenges such as accurately modeling complex nuclear systems, managing large datasets, and ensuring strict adherence to safety protocols. These challenges can be addressed by staying updated with the latest simulation tools, collaborating closely with multidisciplinary teams (such as nuclear engineers and safety analysts), and participating in ongoing training. Additionally, effective communication and documentation are essential for ensuring that results are clearly understood and can be acted upon by both technical and non-technical stakeholders.

What is the difference between Neutronics vs Radiation Protection Specialist?

AspectNeutronicsRadiation Protection Specialist
Required CredentialsDegree in nuclear engineering, certifications like NEUP or NEETDegree in health physics, certifications like CHP or RC
Work EnvironmentResearch labs, nuclear power plants, simulation centersField sites, hospitals, nuclear facilities
Industry UsageDesigning reactor cores, neutron transport analysisMonitoring radiation exposure, safety compliance

Neutronics focuses on neutron behavior and reactor design, while Radiation Protection Specialists concentrate on safety and exposure management. Both roles require nuclear-related credentials and often work within the nuclear industry, but their daily tasks and focus areas differ significantly.

What are popular job titles related to Neutronics jobs in Texas? For Neutronics jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Neutronics jobs in Texas look for? The top searched job categories for Neutronics jobs in Texas are:
Neutronics jobs near you
Infographic showing various Neutronics job openings in Texas as of August 2026, with employment types broken down into 1% Internship, 93% Full Time, and 6% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution.

Senior Nuclear Engineer

Last Energy

Austin, TX

$103K - $142K/yr

Full-time

Re-posted 6 hours ago

Job description

Last Energy is a fast-growing technology company redefining how nuclear power is designed, manufactured, and deployed. We are building a new generation of modular, distributed nuclear plants engineered for speed, scalability, and real-world impact.
 
We are seeking a Senior Nuclear Engineer to join our core engineering team and drive the analytical rigor behind our microreactor design. This role sits at the intersection of innovation and execution, where complex modeling meets the fast-paced reality of startup deployment. This role will act as both a technical leader and independent thinker, directly influencing design decisions that shape the future of energy.
Key Duties & Responsibilities
  • Lead and perform complex thermal-hydraulic and neutronics calculations
  • Independently verify and approve engineering calculations and safety analyses prepared by peers and junior engineers
  • Provide expert-level review of design basis documents, licensing submittals, and technical evaluations
  • Mentor and guide junior engineers in analytical methods and modeling techniques
  • Develop and maintain detailed models for reactor systems and accident scenarios
  • Participate in peer reviews and regulatory interactions as a technical authority
  • Contribute to continuous improvement initiatives by identifying gaps and proposing innovative solutions
  • Adapt quickly to evolving project needs, regulatory changes, and emergent technical challenges
Qualifications
  • Bachelor's or Master's degree in Nuclear Engineering or a closely related discipline.
  • 7+ years of experience in nuclear systems analysis, safety analysis, or reactor physics.
  • Proficiency with at least two of the following codes: TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT.
  • Demonstrated experience performing and reviewing complex engineering calculations.
  • Strong technical writing and communication skills, with the ability to present to both technical and non-technical audiences.
  • Department of Energy regulatory experience is preferred
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