3w
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Modeling & Simulation Engineer (Systems Engineer, Sr)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEBachelor's in STEM preferred, 1+ years building physics‑based models or simulation engines, experience with MBSE/SysML, numerical methods, V&V, and cross‑disciplinary collaboration.
MATLAB/Simulink, Python, NumPy, SciPy, JAX, C++, STK, GMAT, Orekit, Trick, Modelica, CUDA, Vulkan, OpenCL, REST, gRPC, GraphQL, Three.js, WebGL, React Three Fiber, CesiumJS, Cameo, Teamwork Cloud, Jama, DOORS, MBSE, SysML
3w
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Systems Architect / Technical Product Lead (All levels)
Chantilly, Virginia, United States
OnsiteFull Time
7+ YOE7+ years enterprise architecture and full‑stack leadership for simulation, digital‑engineering, and data platforms; MBSE/SysML, modeling & simulation, TypeScript/JavaScript, React, Python/C++/Rust, Kubernetes; U.S. citizenship and ability to obtain DoD Secret/TS/SCI.
MBSE, SysML, TypeScript, JavaScript, React, REST, GraphQL, gRPC, Python, C++, Rust, Kubernetes, MATLAB/Simulink, WebGL, Three.js, R3F, Cesium, Cameo Systems Modeler, Teamwork Cloud, Jama, DOORS
1mo
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SAP NS2 Full Stack Developer - Top Secret, CI Polygraph required
Herndon or Springfield or Washington
$107k-$231k/yr OnsiteFull Time
3+ YOE3–5 years software development experience; proficiency with JavaScript/Node.js and Express, front-end frameworks (React/Vue/Angular), SAP HANA/SQLScript, Docker and OpenShift, PKI/X.509 and mTLS, RHEL administration, Git workflows.
SAP HANA, SQLScript, SAP CAP, Node.js, Express.js, OpenCV, pngjs, Docker, Red Hat OpenShift, RHEL, OpenShift Container Registry, SAP HANA client driver, X.509, mTLS, CAC/PIV, HTML5, CSS3, React, Vue, Angular, D3.js, Three.js, WebGL, Apache NiFi, KNIME, Airflow, Talend, Git, GitHub, PowerShell, Bash, Docker Compose, XSA, OpenShift Operators, Helm
1mo
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Visualization & Simulation Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEUS citizen able to obtain TS/SCI with polygraph; BS in STEM (engineering discipline); 1+ years relevant experience; basic JavaScript and frontend, familiarity with Python, 3D math, and client-server exposure.
Three.js, Python, JavaScript, Git
3w
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Sr. Front-End Software Engineer (Geospatial & Middleware)
Sterling, Virginia, United States
OnsiteFull Time
8+ YOEActive Top Secret clearance, Bachelor’s in CS or related,8+ years front-end experience, strong JavaScript and modern frameworks, Protobuf and middleware experience, experience with Kafka/RabbitMQ/ActiveMQ/ZeroMQ, API development, geospatial UI experience.
JavaScript, React, Angular, Vue, Protobuf, Apache Kafka, RabbitMQ, ActiveMQ, ZeroMQ, gRPC, FlatBuffers, Avro, GitLab, AMQP, MQTT, Data Distribution Services, Cesium JS, Open Layers, Leaflet, Mapbox, WebGL
1mo
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Visualization & Simulation Software Engineer (Geospatial/RF Systems)
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEUS citizen with BS in engineering, 5+ years software development, strong JavaScript/TypeScript and Three.js skills, Python proficiency, 3D math and spatial algorithms, full-stack (REST APIs/WebSockets), and ability to obtain TS/SCI with polygraph.
Three.js, JavaScript, TypeScript, Python, WebSockets, REST APIs, WebGL, PyVista, VTK, Docker, GLSL, WebGPU
2w
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Software Engineer - Frontend Development
Reston, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's in computer science, 2 years relevant experience, JavaScript/TypeScript, React, HTML/CSS, strong communication, US citizenship and eligibility for security investigation.
JavaScript, TypeScript, React, HTML, CSS, Spring Boot, Redux, WebGL, OpenGL, Java, Python
2w
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UI Front-End Engineer
Sterling, Virginia, United States
OnsiteFull Time
3+ YOETop Secret clearance, Bachelor's in CS or related, 3+ years front-end experience with JavaScript/TypeScript, HTML5/CSS3, modern frameworks (React/Angular/Vue), RESTful integration, GIS/mapping and real-time data experience.
JavaScript, TypeScript, HTML5, CSS3, React, Angular, Vue.js, Apache Kafka, RabbitMQ, ActiveMQ, ZeroMQ, Protobuf, GitLab, CesiumJS, OpenLayers, Leaflet, Mapbox GL JS, WebGL, Redux, Zustand, Pinia, Swagger/OpenAPI, WebSockets, gRPC, MQTT, DDS, AMQP