System Engineer IV - Hydrological Modeling Engineer
Greenbelt or United States
RemoteFull Time
GAMA-1 Technologies: Provides IT, cloud, and security services to federal agencies.
1+ YOEMaster's or PhD in hydrology/engineering/computational science, experience deploying and optimizing hydrological/flood models in HPC/GPU environments, proficiency with C++ and CUDA, ability to obtain a security clearance.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
4+ YOE4+ years in sensor fusion and target tracking, deep learning for computer vision, experience with Python/C++/Rust and GPU programming (CUDA/RAPIDs), Secret clearance, bachelor's in STEM.
Python, C++, Rust, CUDA, RAPIDs, Kubernetes, DINO, CLIP, SAM
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
Pursuing or recently completed Bachelor’s in Computer or Electrical Engineering; experience with C/C++/VC++; knowledge of OOD, software lifecycle, Linux/Windows; containerization (Docker,Kubernetes) and CUDA are a plus.
C, C++, VC++, Linux, Windows, Docker, Kubernetes, CUDA
McLean or Chantilly or El Segundo or Aurora or Colorado Springs
$99k-$225k/yrOnsiteFull Time
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
4+ YOE4+ years in sensor fusion/target tracking, experience with deep learning for computer vision (DINO, CLIP, SAM), Python/C++/Rust, GPU programming (CUDA/RAPIDs), Secret clearance, BS in a STEM field.
Quartermaster AI: Deploying AI-powered sensor networks for maritime domain awareness.
5+ YOE5+ years embedded Linux/platform software experience; strong C++ and Python; Yocto, ROS2, Jetson/TensorRT/CUDA experience; networking, OTA update systems, hardware bring-up, and cross-boundary debugging skills.
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
0.5+ YOEBachelor's in software engineering or related STEM plus 2 years (or Master's plus 6 months); DoD Secret clearance obtainable; experience with Linux, CI/CD, CUDA/GPU, AI-assisted development, test automation, and mentoring.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOETS/SCI+Poly required,10+ years data science experience,2+ years software/data engineering,Python,CUDA,Kubernetes,SQL/Oracle,EMR/NoSQL familiarity,GPU processing,model deployment and ML production experience.
Tyto Athene: Provides IT services and digital transformation for government agencies.
5+ YOEMaster's or PhD in a technical field,5+ years developing quantum algorithms or software,Python and quantum framework proficiency (Qiskit,PennyLane,Cirq,CUDA-Q,Amazon Braket),understanding of NISQ/FTQC and error mitigation,and U.S. citizenship with ability to obtain security clearance.
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOETS/SCI with poly required,10+ years data science experience,deploy and monitor ML models in production,ETL/data engineering skills,proficiency with Python,CUDA,Kubernetes,CI/CD,Kafka,SQL/Oracle and NoSQL,experience with NLP/LLMs and GPU processing.
Principal Digital Signal Processing Engineer - TS/SCI
Herndon or Chantilly
$148k-$267k/yrOnsiteFull Time
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
10+ YOETS/SCI required. Bachelor’s degree in EE/CE or related, 10+ years implementing algorithms for communications, signal processing, geolocation, image processing or related domains. Proficiency with C/C++, Python, MATLAB, Linux, and Git; experience with GNU Radio, X-Midas; CUDA, ARM, USRP desirable.
Quidient: Develops AI for 3D scene reconstruction and virtualization.
Advanced degree or equivalent experience in CS/vision/robotics, significant hands-on VI-SLAM or visual-inertial odometry experience, strong modern C++ and Python skills, sensor calibration experience, and ability to work hybrid in Columbia, MD while meeting security/background checks.
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
3+ YOE2+ years with Bachelor's or 5+ years experience; strong Python REST services; GenAI, LLMs, AI agents; cloud and scalable systems; collaboration across teams.
Johns Hopkins University: Private research university providing higher education and medical services.
PhD required in a related field; strong Python and PyTorch experience; generative modeling, uncertainty quantification, and reproducible research experience; demonstrated publication record; U.S. citizen preferred.
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$170k-$220k/yrOnsiteFull Time
Systems & Technology Research: Develops advanced technology for national security and defense applications.
8+ YOEAbility to obtain Top Secret clearance, Bachelor's in CS or related with 8+ years experience, strong modern C++ skills, multi-threading and performance optimization, test/integration experience, GitLab and CI/CD familiarity, leadership and mentoring ability.
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
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.
Cirrascale: Provides specialized GPU-based cloud infrastructure for AI workloads.
3+ YOE3+ years in data center operations or server deployment, strong Linux and networking knowledge, component-level troubleshooting, ability to rack heavy servers, and willingness to travel 30-40%.
Base-2 Solutions: Delivers engineering and technology services for national security.
14+ YOEActive Top Secret/SCI with Full Scope Polygraph; 14+ years software engineering experience; proficiency in C++, Python, Golang, Terraform, AWS; AI/ML and GPU-enabled high-performance development experience; bachelor\u0002s in Computer Science required.
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOEU.S. citizen with active TS/SCI and CI polygraph ability, bachelor\u0000s or equivalent experience,5+ years Linux systems administration, DevOps infrastructure, LAN/WAN, DoD cybersecurity, compute/network hardware, and troubleshooting.