Nuclear Engineer

Ecotal; Austin (TX); On-site; Full time

Benefits offered by this job

Competitive benefits

Equity opportunities

Job summary

A fast-growing startup is seeking a Senior Nuclear Engineer focusing on advanced reactor systems in Austin, Texas. The role involves supporting reactor modeling and thermal-hydraulics analysis, providing technical insights for design and operational decisions. Ideal candidates have a background in nuclear engineering and experience with reactor modeling tools. This position offers opportunities for contributing to cutting-edge technology in a dynamic environment, along with competitive benefits and equity options.

Qualifications

• Experience with reactor modeling and system-level analysis.
• Familiarity with neutronics simulations and thermal-hydraulics analysis.
• Comfortable working in a fast-paced technical environment.

Responsibilities

• Support reactor modeling, neutronics simulations, and thermal-hydraulics analysis.
• Provide technical insight for design and operational strategies.
• Inform regulatory submissions for advanced reactor systems.

Skills

Reactor modeling

Analytical skills

Collaboration

Education

Background in nuclear engineering

Tools

MCNP

SCALE

Job description

Overview

Senior Nuclear Engineer – Advanced Reactors

Location: Austin, TX

Company Overview

A fast-growing startup is developing next-generation small nuclear reactors with a focus on rapid hardware iteration and real-world deployment. The company emphasizes practical engineering solutions, moving quickly from design to testing, and tackling high-impact nuclear energy challenges.

Responsibilities

The Senior Nuclear Engineer will support reactor modeling, neutronics simulations, and thermal-hydraulics analysis for advanced reactor systems. The engineer will provide technical insight that directly informs design decisions, operational strategies, and regulatory submissions.

Qualifications

• Background in nuclear engineering, reactor physics, or closely related fields.
• Experience with reactor modeling and system-level analysis.
• Familiarity with tools such as MCNP, SCALE, or similar is a plus.
• Analytical, collaborative, and comfortable working in a fast-paced technical environment.

Why It’s Attractive

• Opportunity to work on cutting-edge reactor technology.
• Contribute to meaningful design and regulatory decisions in a small, high-performing team.
• Competitive benefits and equity opportunities.

Diversity of experience and perspective is valued, and all qualified candidates are encouraged to apply.