Senior Nuclear Defense & Survivability Engineer

Via Logic LLC; Reston (VA); On-site; USD 131,000 - 237,000; Full time

Job summary

Leidos is seeking a Senior Nuclear Engineer in Reston, Virginia to support critical national security missions. You will apply advanced nuclear engineering principles to counterproliferation and survivability design.

Responsibilities include reverse-engineering protective measures, conducting high-fidelity analyses, and modeling using MCNP, SCALE, ORIGEN, COMSOL. You will prepare technical reports and brief senior leadership on findings and recommendations.

Qualifications

• Active TS/SCI polygraph clearance and U.S. citizenship.
• Bachelor's degree with 12+ years of relevant experience or Master's with 10+ years of relevant experience.
• Experience with nuclear weapons supply chains, vulnerabilities, and mitigation strategies.
• Strong background in physics-based simulations and data analysis using Python, MATLAB, or C++.

Responsibilities

• Conduct high-fidelity reverse-engineering analyses and vulnerability assessments of facilities, stockpiles, supply chains, and production processes.
• Develop protective design criteria using physics-based models addressing radiation effects and shielding.
• Utilize multiphysics modeling to evaluate degradation of facilities and processes exposed to weapons effects.
• Prepare technical reports and executive-level briefings on foreign capabilities, vulnerabilities, and methodologies.
• Brief senior leadership and stakeholders on findings and recommendations.

Skills

TS/SCI Polygraph

Nuclear weapons knowledge

Programming (Python/MATLAB/C++)

Physics-based modeling

Threat modeling

Education

Bachelor's degree + 12+ years experience

Master's degree + 10+ years experience

Tools

MCNP

SCALE

ORIGEN

COMSOL

Python

MATLAB

C++

Job description

Leidos is seeking a Senior Nuclear Engineer in Reston, Virginia to support critical national security missions. You will apply advanced nuclear engineering principles to counterproliferation and survivability design.

Responsibilities include reverse-engineering protective measures, conducting high-fidelity analyses, and modeling using MCNP, SCALE, ORIGEN, COMSOL. You will prepare technical reports and brief senior leadership on findings and recommendations.