Drimva

Last Energy

Senior Nuclear Engineer

Austin, TX · On-site · Senior · Full-time · Posted Nov 12, 2025

Experience
8+ years in nuclear systems analysis, safety analysis, or reactor physics.
Education
Bachelor’s or Master’s degree in Nuclear Engineering or a closely related discipline.

About the job

Leads nuclear systems analysis for microreactor design, reviews safety analyses and design documents, and contributes technical expertise to regulatory interactions.

What you'll do

  • Perform thermal-hydraulic and neutronics calculations, and develop models of reactor systems and accident scenarios.
  • Independently verify and approve engineering calculations and safety analyses; review design basis documents, licensing submittals, and technical evaluations.
  • Mentor junior engineers and participate in peer reviews and regulatory interactions.

What they ask for

  • Bachelor’s or Master’s degree in Nuclear Engineering or a closely related discipline.
  • 8+ years of experience in nuclear systems analysis, safety analysis, or reactor physics.
  • Proficiency with at least two of these codes: TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT.
  • Demonstrated experience performing and reviewing complex engineering calculations; strong technical writing and communication skills.

Nice to have

  • Department of Energy regulatory experience.

Tools

TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)