Modeling & Simulation Systems Engineer – National Capitol Region

Mission Technologies, a division of HII

Modeling & Simulation Systems Engineer developing robust modeling architectures for various DoD and IC customers. Collaborating with teams and government partners to refine simulation models and analyses.

Posted 5/29/2026full-timeReston • Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $111,347 - $160,000 per yearWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Create, refine, and present data products with compelling narratives that provide analytically rigorous conclusions to both senior leaders and non-technical audiences
Work efficiently alongside the Government, in cross-contractor teams, and individually, to identify and isolate analytic, logical, and syntax anomalies in simulations, MBSE models, algorithms, and big data
Conduct analysis and create custom metrics within a discrete event simulator framework like AFSIM, and perform analysis with post-processing software like Python, R, Excel, etc.
Provide quantitative answers to challenging, space systems-focused questions
Support subject matter experts who advise senior leaders on methodological, analytical, and domain-specific issues
Analyze the accuracy of algorithms within modeling frameworks and collaborate to discover improvements
Assist the Portfolio Lead with the development of architectural and technical communication products

Requirements

What you’ll need

Bachelor’s degree in Aerospace, Mechanical, Electrical or Systems Engineering (or equivalent) or Operations Research/Mathematics (or equivalent)
5-10 years relevant experience
Object-oriented software coding experience (e.g. Python, C++, MATLAB)
Familiarity with Model Based Systems Engineering, SysML, and modeling tools such as Cameo Systems Modeler
Must be SCI eligible (background investigation within last 5 years or in continuous monitoring)
Must be willing to travel CONUS approximately 20% of the time

Benefits

Comp & perks

best-in-class medical, dental and vision plan choices
wellness resources
employee assistance programs
Savings Plan Options (401(k))
financial planning tools
life insurance
employee discounts
paid holidays and paid time off
tuition reimbursement
early childhood and post-secondary education scholarships

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

data analysiscustom metricsobject-oriented programmingPythonC++MATLABdiscrete event simulationalgorithm analysisModel Based Systems EngineeringSysML

Soft Skills

communicationcollaborationanalytical thinkingproblem-solvingpresentation skills

Certifications

Bachelor’s degreeSCI eligibility