Nuclear Shielding Engineer for Microreactors

Aalo Atomic; Austin (TX); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Paid Time Off

Competitive salary

Job summary

Aalo Atomics in Austin, TX, is seeking a Shielding Engineer to design and analyze radiation shielding for advanced reactor systems. You will apply state‑of‑the‑art methods to evaluate source terms and develop shielding solutions that meet safety, regulatory, and customer requirements.

You will collaborate with multidisciplinary teams to balance performance, manufacturability, and cost throughout the design lifecycle, from concept through decommissioning.

Qualifications

• Bachelor's degree in a technical discipline (Nuclear Engineering, Physics, Materials Science or related).
• 2+ years in radiation shielding analysis, radiation transport, or related nuclear engineering.
• Proficiency with radiation transport tools (MCNP, ADVANTG, SCALE/KENO, OpenMC or similar).
• Understanding of regulatory requirements, shielding design, radiation transport methods, and engineering practices.

Responsibilities

• Perform shielding design and analysis for reactor, fuel handling, and site systems.
• Develop trade studies evaluating shielding materials, geometries, and deployment strategies.
• Create neutronics simulations to characterize neutron and photon source terms during operation.
• Optimize shielding designs balancing protection, manufacturability, cost, and deployment.
• Produce technical reports and safety basis documents supporting design, licensing, and operations.
• Ensure methods and software comply with the Aalo quality assurance program.

Skills

Radiation shielding

Neutron transport

Python scripting

Team collaboration

Regulatory knowledge

Education

Bachelor's degree in Nuclear Engineering/Physics/Materials Science

Tools

MCNP

ADVANTG

SCALE/KENO

OpenMC

Job description

Aalo Atomics in Austin, TX, is seeking a Shielding Engineer to design and analyze radiation shielding for advanced reactor systems. You will apply state‑of‑the‑art methods to evaluate source terms and develop shielding solutions that meet safety, regulatory, and customer requirements.

You will collaborate with multidisciplinary teams to balance performance, manufacturability, and cost throughout the design lifecycle, from concept through decommissioning.