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Defense Modeling Simulation Jobs in Virginia (NOW HIRING)

APEX TK

Modeling and Simulation Engineer

Chantilly, VA · On-site

... of Defense (DOD) * Develop code / scripts to develop algorithms, perform analyses, and automate ... Incorporate phenomenological modeling principles into relevant models and simulations. Required ...

EXPANSIA

Department of Defense and related national security customers. Backed by Falfurrias Management ... On-Site, Fort Eustis, VA Aether Aerospace is seeking a Physical Modeling & Simulation Engineer to ...

EXPANSIA

$120K - $140K/yr

Department of Defense and related national security customers. Backed by Falfurrias Management ... On-Site, Fort Eustis, VA Aether Aerospace is seeking a Physical Modeling & Simulation Engineer to ...

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Defense Modeling Simulation information

What is the difference between Defense Modeling Simulation vs Defense Systems Engineer?

AspectDefense Modeling SimulationDefense Systems Engineer
Required CredentialsBachelor's or higher in engineering, computer science, or related fields; often certifications in modeling and simulationBachelor's or higher in engineering, systems engineering, or related fields; certifications in systems engineering may be preferred
Work EnvironmentResearch labs, defense contractors, government agencies; focus on simulation development and analysisDesign, develop, and integrate defense systems; work in engineering teams within defense companies or military organizations
Employer & Industry UsagePrimarily in defense research, simulation development, and testingInvolved in system design, integration, and lifecycle management of defense platforms

Defense Modeling Simulation specialists focus on creating and analyzing simulations to test defense concepts, while Defense Systems Engineers design and develop actual defense systems. Both roles require engineering backgrounds but differ in their core responsibilities and work environments.

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Infographic showing various Defense Modeling Simulation job openings in Virginia as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

AFSIM Modeling and Simulation Specialist

DCS Corporation

Herndon, VA • On-site

Full-time

Re-posted 12 hours ago

Job description

DCS Air & Space Technology (AST) Sector is looking for an AFSIM Modeling and Simulation Specialist to join our highvisibility MS&A team. If you're excited by cuttingedge technology and motivated by solving real nationalsecurity challenges, this role puts you right at the center of that mission. At DCS-an employeeowned company recognized for agile, forwardleaning solutions across Defense, Aerospace, Human Factors, and Security-you'll have the opportunity to make a direct impact from day one.

As part of our team, you'll work in Reston, VA, supporting advanced defense technologies and R&D efforts alongside experts in simulation integration, stateoftheart modeling tools, and seasoned military SMEs. Your work will drive capability assessments for emerging military technologies and ensure the tools and methodologies we use effectively inform decisionmakers across the Department of Defense.

Essential Job Functions:

As an AFSIM Modeling & Simulation Specialist, you could expect to:

Construct military models and entities of varying complexity in AFSIM.

Provide dynamic scripting techniques to produce modeled entity actions/interactions in AFSIM.

Create and enhance operationally relevant scenarios that accurately represent actions, reactions, and interactions between entities in the AFSIM simulation.

Contribute to the development and execution of MS&A study plans to be conducted using AFSIM.

Collaborate with subject matter experts, such as pilots and technologists, to identify requirements for system implementation in AFSIM.

Coordinate with team members to contribute to execution of analysis of studies, analyze AFSIM results, and prepare and present study findings.

Collaborate with agile AFSIM software development teams to build and enhance MS&A solutions.

Collaborate with study leads and customer stakeholders to identify study requirements and develop relevant technical approaches.

Required Skills:

Due to the sensitivity of customer related requirements, U.S. Citizenship is required.

Must have active TS clearance with SCI eligibility.

At least a BS degree in engineering, science, mathematics, or a related technical discipline and at least 5 years of related analysis experience.

Applicants selected will be subject to a U.S. Government background investigation and must meet eligibility requirements for access to classified information: TS level U.S. DoD security clearance.

At least 2 years of hands-on experience with modeling and simulation tools for engagement and/or mission level studies.

Excellent written and verbal English communications skills.

Ability to apply the scientific method to diverse MS&A efforts.

Scripting or programming experience.

Ability to work well in team environments.

Ability to travel, as required.

Desired Skills:

MS in engineering, science, mathematics, or related technical discipline.

Active security clearance, Top Secret/SCI or higher.

Experience using AFSIM to model systems, scenarios, and behavior scripting.

Experience with any of the following: STK, JMP, Python, C++, or R.

Familiarity with modern military systems, both foreign and domestic.

Employment Type: Full Time
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About DCS

Sourced by ZipRecruiter

DCS Corp is a renowned name in the technology industry, headquartered in Alexandria, VA, US. Found in the late 1970s, DCS Corp provides a broad spectrum of advanced technology, engineering, and analytic solutions for national security clients. The firm specializes in delivering sophisticated systems and technology for land, air, and maritime platforms. They are known for being deeply committed to their mission of enhancing national security.

Industry

Guided missile and space vehicle manufacturing

Company size

1,001 - 5,000 Employees

Headquarters location

Alexandria, VA, US

Year founded

1977

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