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Front-End Software Developer – Modeling & Simulation / HITL

Center for Internet Security · Aberdeen Proving Ground, MD, US

onsiteunknown$180,000–$200,000Posted Aug 28, 2026TypeScriptJavaScriptReactAngularVueHTMLCSSREST APIs

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About this role

## Overview CIS Secure is seeking a **Front-End Software Developer – Modeling & Simulation / HITL** to join our team supporting the **REACT program** at **Aberdeen Proving Ground (APG), Maryland**. In this role, you will develop modern software interfaces for **modeling and simulation**, **hardware-in-the-loop (HITL)**, and advanced engineering environments for critical national security missions. You will build intuitive applications that help engineers and operators **configure systems**, **visualize complex data**, **control simulations**, and **interact with physical and simulated hardware**. --- ## Responsibilities (Essential Functions) - Design and implement user interfaces for engineering, simulation, and test applications - Collaborate with modeling & simulation engineers, embedded developers, hardware engineers, and systems engineers to translate complex workflows into usable software - Develop modern front-end applications integrating with **real-time data**, **simulation environments**, and **HITL systems** - Perform other duties as assigned --- ## Qualifications ### Required Skills - Experience developing production-quality front-end applications using modern **JavaScript/TypeScript** frameworks such as **React, Angular, Vue**, or similar - Strong proficiency with **HTML, CSS, JavaScript/TypeScript**, and modern web application architecture - Experience integrating front-end applications with **REST APIs**, **WebSockets**, message-based interfaces, or other backend services - Experience building **data-intensive interfaces**, dashboards, visualization tools, or engineering applications - Familiarity with software development practices including **Git**, **automated testing**, **code review**, and **CI/CD** - Ability to work directly with engineers and technical users to translate complex requirements into effective user interfaces ### Desired Skills - Experience supporting **modeling and simulation (M&S)** environments - Experience developing software for **hardware-in-the-loop (HITL)** or **software-in-the-loop (SITL)** systems - Experience visualizing/interacting with **real-time telemetry**, sensor data, system state, or simulation outputs - Familiarity with **Python**, **C++**, or other engineering/simulation languages - Experience with **2D/3D visualization**, geospatial interfaces, plotting, or scientific visualization libraries - Familiarity with simulation tools/frameworks such as **MATLAB/Simulink**, **ROS/ROS 2**, **Unreal Engine**, **Unity**, **Gazebo**, or similar - Experience integrating software with unmanned systems, robotics, embedded systems, test equipment, or physical hardware - Experience developing applications for aerospace, defense, autonomy, or other complex engineering environments ### Education - Bachelor’s degree in **Electrical Engineering**, **Computer Engineering**, or related technical discipline, **or equivalent relevant experience** ### Clearance - **Active TS/SCI security clearance required** --- ## Location / Schedule / Travel - **Location:** Aberdeen Proving Ground (APG), Maryland - **Hours:** Standard operating hours with flexibility as required by program/mission needs - **Travel:** No regular travel anticipated --- ## Benefits - **401(k)** with company matching - Dental insurance - Medical insurance - **Health Savings Account (HSA) option** - Flexible Spending - Vision insurance - Life and Disability Insurance - Ancillary offerings (Hospital Indemnity, Accident, Critical Ill

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