Nuclear Engineer - Senior

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About this role

Company Description

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.

Job Description

Overview

 

 SOSi is seeking a Senior level Nuclear Engineer (Scientific Support). to be part of a unique, multi-discipline team assisting partners to fuse operations and intelligence information to enhance government efforts against current and emerging threats, and counterproliferation efforts.

 

Essential Job Duties

 

  • In this role, you will support defense analytic requirements with enhanced scientific and engineering research, as well as reverse engineering analysis.
  • You will also conduct facility and vulnerability assessments on foreign nuclear capabilities.
  • Develop innovative analytic and collection concepts across directorate mission areas, support assessment of new technologies techniques, methods, conduct multi-Intelligence integration, and plan programming budgeting.

 

Qualifications

Minimum Requirements

 

  • BA degree in relevant field.
  • 8 years of experience supporting defense analytic requirements with nuclear engineering research.
  • In lieu of BA degree, 12+ years of experience supporting defense analytic requirements with nuclear engineering research in lieu of a degree.
  • Experience reviewing analytical products for cogent arguments, tradecraft standards, and adequate support.
  • Ability to define comprehensive, new, or unique research approaches that enable rigorous assessments to address and contribute to high-level tasks.
  • Ability to work independently and with minimal oversight.
  • Active TS/SCI clearance; willingness to take a polygraph exam.
  • Demonstrates ability to define comprehensive, new, or unique research approaches that enable rigorous assessments to address and contribute to high-level tasks.
  • Demonstrates in-depth analysis of analytic operations and knowledge management issues across organizational and intra-IC boundaries and clearly articulates key findings.
  • Demonstrates ability to work independently and with minimal oversight.
  • Demonstrates ability to review analytic products for cogent arguments, tradecraft standards, and adequate support for conclusions; routinely tests analytic rigor of analytic products.

 

Preferred Qualifications

 

  • TS/SCI with a current CI Poly
  • Knowledge of nuclear sub-disciplines like thermos-hydraulics, seismic events, physics, computational science, or fission reactor engineering.
  • Bachelor’s degree in physics, engineering, engineering technologies, or a physical science field.

 

Additional Information

Work Environment

  • Normal office conditions
  • On government site in Reston, Virginia

 

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.

Frequently Asked Questions

Is the salary disclosed for the Nuclear Engineer - Senior position at sosi1?
The salary for this Nuclear Engineer - Senior role at sosi1 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Nuclear Engineer - Senior position at sosi1 located?
This Nuclear Engineer - Senior role at sosi1 is based in Reston, Reston, VA, United States, VA, us. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Nuclear Engineer - Senior role at sosi1 full-time or part-time?
This is listed as a Full time position. It is posted as a Nuclear Engineer - Senior role at sosi1.
How do I apply for the Nuclear Engineer - Senior position at sosi1?
Click the "Apply Now" button on this page. You will be redirected to sosi1's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Nuclear Engineer - Senior job at sosi1 posted?
This Nuclear Engineer - Senior position at sosi1 was posted on Nov 21, 2025. Apply as soon as possible — early applications are often reviewed first.
Nuclear Engineer - Senior
sosi1
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