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Systems Engineer – Sr Security Clearance
Job in
Reston, Fairfax County, Virginia, 20190, USA
Listed on 2026-06-30
Listing for:
Nalley Consulting
Full Time
position Listed on 2026-06-30
Job specializations:
-
Engineering
Systems Engineer -
IT/Tech
Systems Engineer
Job Description & How to Apply Below
Position:
Systems Engineer - Sr
LCAT:
Senior
Location:
Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI poly taken within the past seven years will be prioritized.
Required experience:
At least 11 years
Required education:
Master's or PhD in Engineering, Physics, Applied Mathematics, Computer Science, or a related field and 11+ years relevant experience in modeling and simulation within a defense or national security environment. Description Nalley Consulting has an opportunity for an experienced Systems Engineer to support on-going research and development efforts for functional characterization of WMD facilities and their associated design. Requirements:
* Demonstrate proficiency in software development and coding in languages such as Python, C++, MATLAB, or Java.
* Develop modeling and simulation and conduct computational analysis, Monte Carlo simulations, multi-physics modeling, or agent-based modeling.
* Use high-performance computing (HPC) environments to run simulations.
* Work with tools such as Ansys, Ansys STK, IMEA or similar modeling (and DTRA) modeling software.
* Use M&S tools to conduct vulnerability analyses and develop kinetic/non-kinetic defeat mechanisms.
* 11+ years relevant experience in modeling and simulation within a defense or national security environment. ABOUT NALLEY CONSULTING Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions. Created by a U.S. Navy intelligence veteran, Nalley Consulting has grown to include multiple IDIQ vehicles in several states.
Nalley Consulting fringe benefits include:
* Excellent medical, dental, and vision benefits
* PTO
* 11 paid federal holidays
* Tuition assistance
* Paid military-reserve leave
* Paid parental leave for birth or adoption
* 401k matching up to 5 percent of the base salary
* Flex time
* Company-paid short-term disability, long-term disability, and life insurance.
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