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Principal Systems Engineer
Annapolis Junction, Maryland, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOERequires extensive systems engineering experience with HPC deployments, logical architecture assessment, ISA/compiler analysis, simulation and benchmarking; current government clearance and polygraph required.
HPC
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Senior Principal Software Engineer (Frederick, MD, US, 21703)
Frederick, Maryland, United States
OnsiteFull Time
10+ YOEBachelor's in engineering, 10+ years experience, mastery of multiple engineering disciplines, ability to design/develop/debug software/systems (real-time, firmware, signal processing, databases, OS), lead projects, mentor engineers, and support business development.
Image and Signal Processing, Real-time, Firmware, Nuclear/Hi-Rel, FAA Certified, Database Design, Operating Systems, compilers, routers, networks, databases, Internet-related tools
1w
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Solutions Engineer - New Products
Herndon or Westminster
$109k-$176k/yr OnsiteFull Time
U.S. Person required. Bachelor's in STEM or equivalent, experience with embedded systems, C/C++/Python, shell scripting, cross-compilation, Linux, networking, customer-facing integrations, and system design.
C, C++, Python, shell scripting, cross-compilation, Linux, TCP/IP, Wi-Fi, PX4, ArduPilot, NVIDIA Jetson, Raspberry Pi, FFmpeg, GStreamer, MPEG-TS, MP4, RTSP
1mo
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Senior Software Engineer (Frederick, MD, US, 21703)
Frederick, Maryland, United States
OnsiteFull Time
5+ YOEBachelor's in engineering, minimum 5 years' experience, ability to lead technical teams, fluency in relevant technologies and application domains.
Image and Signal Processing, Real-time, Firmware, Database Design, Operating Systems, compilers, routers, networks, databases, Internet-related tools, computer-aided engineering
2w
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Principal Software Engineer TS/SCI w/Poly
Fort Meade, Maryland, United States
$200k-$255k/yr OnsiteFull Time
Design, develop, test, and maintain low-level and high-performance software; proficiency with Python and ability to read C/C++ and x86 Assembly; experience with OS internals, compilers, and reverse engineering.
Python, C/C++, Assembly (x86)
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Software System Safety Engineer
Arlington, Virginia, United States
$87k-$198k/yr HybridFull Time
2+ YOE2+ years developing complex or real-time embedded systems, Bachelor's in CS/EE/Engineering required, Secret clearance required, experience with SDLC, software development standards, Eclipse, Microsoft Visual Studio, Rational Software, OS and compiler tech.
Eclipse, Microsoft Visual Studio, Rational Software, FPGAs, PLDs, MIL-STD-882, AI/ML
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Software System Safety Engineer
Arlington, Virginia, United States
$87k-$198k/yr OnsiteFull Time
2+ YOESecret clearance required. 2+ years developing complex systems including real-time/embedded software; SDLC, standards, OS and compiler knowledge; experience with Eclipse, Microsoft Visual Studio, or Rational Software; BS in CS/EE/Engineering required.
Eclipse, Microsoft Visual Studio, Rational Software, FPGAs, PLDs
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Security Engineer
Springfield, Virginia, United States
OnsiteFull Time
6+ YOERequires TS/SCI clearance. Experience compiling A&A/BOE for ICD 503/RMF, supporting IATT/ATO in classified IC/DoD environments, securing hybrid cloud, and using tools like Telos XACTA, Ansible, Terraform, ACAS (Nessus), and SCAP Compliance Checker.
Telos XACTA, Ansible, Terraform, ACAS (Nessus), SCAP Compliance Checker (SCC), QEMU-KVM
1w
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AI Engineer - Mission Innovation Lab
Pittsburgh or Arlington
OnsiteFull Time
8+ YOEBS+8yrs or MS+5yrs in CS/ML/Math; proficiency in Python and a compiled language; experience with LLM fine-tuning, RAG, LangChain, Hugging Face, containers, CI/CD; ability to obtain and maintain DoW security clearance.
Python, C/C++, Java, REST, GraphQL, Docker, Kubernetes, LangChain, Hugging Face Transformers, TensorFlow, PyTorch, JAX, Airflow, Prefect, Ray, DeepSpeed, ZeRO, FastAPI, gRPC
3w
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Sr. C++ Software Engineer- 2 Days Onsite - Reston, VA - FreeWheel
Reston, Virginia, United States
HybridFull Time
7+ YOE4+ years with compiled languages (C++ preferred), databases and network programming; strong OOP, Git, debugging; Bachelor's in Information Technology preferred.
C++, Git, Go, Linux, Snowflake, Aerospike
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Radio Frequency Software Engineer Principal - 1660
Reston or United States
$150-$200/hr RemoteContract
10+ YOE10+ years software engineering experience; expert Python; experience with compiled languages (Rust/C/C++/Go), stream processing, databases, FlatBuffers/Protobuf, Linux administration, GitLab CI/CD; BS degree or equivalent experience; US citizenship and Public Trust eligibility required.
Python, Rust, C, C++, Go, MySQL, PostgreSQL, FlatBuffers, Protocol Buffers, DuckDB, Parquet, Polars, ZeroMQ, RabbitMQ, GitLab, Git, SSH, Jupyter Notebooks, React, D3, Claude Code, GitHub Copilot, JetBrains AI Assistant, Network Description File (NDF), TNS (Target Network System)
3w
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Principal Software Engineer 4 with TS/SCI + Poly
Fort Meade, Maryland, United States
$207k-$227k/yr OnsiteFull Time
11+ YOEBachelor's +11 years (or equivalent); active TS/SCI with polygraph; proficiency in Python; ability to read C/C++ and x86 Assembly; experience with OS internals, compilers, debugging, and executable analysis.
Python, C, C++, Assembly (x86)
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Software Integration Engineer 3 (IDN - 179)
Fort Meade, Maryland, United States
OnsiteFull Time
8+ YOEActive TS/SCI with Polygraph; ~8 years experience integrating, installing, configuring, upgrading, compiling, and supporting COTS/GOTS software; Linux, Bash/Python, containerization, Kubernetes, Ansible, Helm, Prometheus/Grafana, and Git skills.
Linux, Bash, Python, Docker, Podman, Kubernetes, Ansible, Helm, Prometheus, Grafana, Git, Jira, Confluence
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Software Integration Engineer 2 (IDN - 178)
Fort Meade, Maryland, United States
OnsiteFull Time
6+ YOEActive TS/SCI with polygraph required. Bachelor\u0002s in Computer Science or equivalent experience. 6+ years integrating, installing, configuring, compiling, and supporting COTS/GOTS in heterogeneous OS. Linux CLI, Bash/Python, Docker/Podman, Kubernetes, Ansible, Helm, Prometheus/Grafana, and Git experience required.
Linux CLI, Bash, Python, Docker, Podman, Kubernetes, Ansible, Helm Charts, Prometheus, Grafana, Git, Jira, Confluence
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Embedded Flight Software Engineer – Level 3 or 4
Linthicum, Maryland, United States
$109k-$204k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years (Level 3) or 8+ years (Level 4) of embedded real-time software experience; U.S. citizenship and ability to obtain Top Secret/SCI clearance; experience with C++, Linux, GCC cross-compiling, software integration, debugging, and configuration management.
C++, Linux, Python, GCC, GDB, Jira, Confluence, Bitbucket
1w
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Engineering Technician III
Stafford, Virginia, United States
$90k-$93k/yr OnsiteFull Time
10+ YOERequires bachelor’s degree, 10 years experience, TS/SCI with CI poly clearance, ability to lift 50 lbs, strong written and oral communication, and experience constructing components, testing, and data compilation.
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Cryptologic Computer Scientist 4
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOEDegree in CS/CE/EE/Math or related with substantial CS experience (PhD+7yr, MS+9yr, BS+11yr, AS+13yr); strong CS fundamentals (OS, compilers, databases, algorithms, architecture, discrete math, PL theory, data structures); programming and system engineering experience; active security clearance with polygraph.
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