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Software Research Engineer
Silver Spring or Basking Ridge
$135k-$216k/yr HybridFull Time
5+ YOEBachelor's in CS/CE/EE/applied math/physics,5+ years experience with BS (3+ with MS),Top Secret/SCI clearance and US citizenship,expertise in C/C++/Java/Python/Go,Linux and networking,DevOps (Git,CI/CD).
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, subversion, CI/CD, Vector Packet Processor (VPP), Data Plan Development Kit (DPDK), Elasticsearch, Logstash, Kibana, Flask, REST, GraphQL, gRPC, Docker, Kubernetes, Ansible, Bash, HTML, CSS, JavaScript, Scapy, CORE, PostgreSQL, MongoDB, Amazon Web Services, Microsoft Azure, Google Cloud Platform, Wireshark, tcpdump, tshark
3d
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Software Research Engineer
Silver Spring, Maryland, United States
$135k-$216k/yr HybridFull Time
5+ YOEBachelor's in CS/EE/Applied Math/Physics or related; 5+ years experience (BS), expertise in C/C++/Java/Python/Go, Linux/Windows/MacOS, networking, DevOps (Git, subversion, CI/CD); Top Secret/SCI and US citizenship required.
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, subversion, CI/CD, Vector Packet Processor (VPP), Data Plan Development Kit (DPDK), Elasticsearch, Logstash, Kibana, Flask, REST, GraphQL, gRPC, Docker, Kubernetes, Ansible, Bash, HTML/CSS/JavaScript, Scapy, CORE, PostgreSQL, MongoDB, Amazon Web Services, Microsoft Azure, Google Cloud Platform, Wireshark, tcpdump, tshark
2mo
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Research Computing Software Engineer
State College or Reston
$97k-$164k/yr OnsiteFull Time
6+ YOEBachelor’s degree in a related field; 3+ to 6+ years of relevant experience depending on level; strong programming, software architecture, data analysis, and collaboration skills; willingness to work on-site in State College, PA or Reston, VA; ability to obtain security clearance.
Programming languages, Software architecture, Cloud platforms, Data analysis tools
2mo
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Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
1mo
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOEBachelor's degree and 3+ years experience (Master's may substitute), active TS/SCI with poly required, experience with C/C++, Python, assembly, and Linux/Windows/Mobile platforms; software development, testing, reverse engineering, and vulnerability research.
Windows, Linux, C/C++, Python, Assembly
1mo
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Principal Engineer, Software (R5285)
United States or San Diego or San Francisco or Dallas or Washington
$220k-$330k/yr RemoteFull Time
15+ YOE15+ years building large production software; strong in TypeScript/C++/Go/Python/Rust; 5+ years React/Node/TypeScript and web applications; experience with Git, Linux, Docker, CI/CD, cloud (Azure/GCP/AWS); client-side LLM context management; strong UX/design and research skills.
TypeScript, C++, Go, Python, Rust, Git, React, Node, JavaScript, Linux, Docker, CI/CD, Azure, GCP, AWS, WebGL, Playwright, Electron, DOM, WebSocket, SSE, HTTP Streaming, LLM
2mo
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Research Engineer I
Arlington, Virginia, United States
$90k-$105k/yr OnsiteFull Time
0+ YOEMaster's degree; <1 year experience; TS/SCI eligibility; strong programming and Linux/Networking skills.
Python, C++, Golang, Linux, SDN, Ansible, Bash, Nagios, Prometheus, SNMP, iptables, NFS, TensorFlow, PyTorch, Docker
1mo
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$205k-$217k/yr OnsiteFull Time
20+ YOE20 years SWE experience, bachelor\u0002s in computer science (or 4 extra years experience), 5 years UX experience, knowledge of Linux, CSS, JavaScript, HTML, UX research, 508 compliance; TS/SCI with polygraph required.
Linux, CSS, JavaScript, HTML, Adobe Suite
2mo
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Evergreen Posting: Software Engineer
North Bethesda, Maryland, United States
RemoteFull Time
Experience building accessible, maintainable web applications; full-stack development; collaboration with researchers and designers; remote-ready; travel may be needed.
Java, JavaScript, TypeScript, React, Node.js, Angular, Spring, Jest, Playwright, Cypress, Shell, SQL, DynamoDB, MongoDB, PostgreSQL, Terraform, Serverless, AWS CDK, CLI
1mo
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Principal Vulnerability Research Engineer (Onsite)
Annapolis Junction or Palm Bay or Maryland or Florida or South Carolina or Texas
$99k-$206k/yr HybridFull Time
7+ YOERequires 7+ years (master's) or 9+ years (bachelor's) in computer science or related field; strong C/C++/Python skills, program analysis, reverse engineering, debugging tools, Windows/Linux, x86/x64 assembly; TS/SCI preferred.
C, C++, Python, angr, BAP, IDA Pro, Binary Ninja, gdb, Ghidra, windbg, Windows, Linux, Assembly (x86/x64)
1mo
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Senior CNO Software Developer
Fort Meade or Columbia
$146k/yr OnsiteFull Time
10+ YOEActive TS/SCI with CI Polygraph (or ability to obtain). 10+–16+ years experience (degree-dependent). Experience with CNO, Linux/Windows, C/C++, Python, assembly, vulnerability research, and rapid prototyping.
Linux, Windows, C, C++, Python, assembly language
2mo
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Software Engineer (Machine Translation)TS/SCI with Poly)
Fort Meade, Maryland, United States
$170k-$175k/yr HybridFull Time
11+ YOE11+ years in AI/ML, machine translation, TS/SCI with Full Scope Poly, strong research, Python/C/C++, Docker.
Python, C/C++, Docker
1mo
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HPC Scientific Software Engineer (IT@JH Research Computing)
Baltimore, Maryland, United States
$86k-$150k/yr RemoteFull Time
5+ YOEMaster's in CS or related, 5+ years HPC user support and software deployment experience, hands-on with SLURM, Python/Perl/C/C++/Shell, Linux, containerization, Spack/EasyBuild/CMake, performance optimization and user support.
SLURM, Ansible, XDMoD, Coldfront, Open OnDemand, CryoSPARC Live, SBGrid, NVIDIA, Intel, MATLAB, CUDA, DNN, TensorRT, Intel Compilers, CMake, Make, EasyBuild, Spack, Lua, Python, Perl, C/C++, Shell
1d
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CNO Developer
Herndon, Virginia, United States
$125k-$300k/yr OnsiteFull Time
3+ YOE3+ years cyber software development with reverse engineering and vulnerability research; active Top Secret/SCI clearance; proficiency in C,C++,Python,Java,JavaScript,Swift, reverse engineering tools, OS internals, and modern CI/CD practices.
C, C++, Python, Java, JavaScript, Swift, IDA Pro, Ghidra, OllyDbg, Jeb, Frida, Windbg, Git, CI/CD, Jira, Confluence
4w
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2026 Graduate – Software Engineer; Data Scientist; Ontologist – Threat Analytic Systems
Laurel, Maryland, United States
$85k-$165k/yr OnsiteFull Time
Bachelor's in CS/math/engineering (required), U.S. citizenship and ability to obtain Interim Secret and Top Secret clearances, strong problem-solving and communication, teamwork, experience with Java/Python/JavaScript and ML libraries for data roles.
Java, Python, JavaScript, PyTorch, Tensorflow, Scikit-Learn, Pandas, Numpy, Docker, Podman, Kubernetes, Kotlin, CI/CD
1mo
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Systems and Software Developer 4
Camp H. M. Smith or Aberdeen Proving Ground
$53k-$106k/yr OnsiteFull Time
10+ YOEMinimum 10 years experience (15 may substitute for AA), AA or 2-year technical school required, active TS/SCI clearance, experience researching, designing, developing and maintaining software and databases; up to 10% local travel.
2w
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General Engineer - DIRECT HIRE
Washington, District of Columbia, United States
$102k-$187k/yr OnsiteFull Time
1+ YOEEngineering degree (ABET or equivalent) plus specialized experience in mechanical/electrical/software or multidisciplinary engineering related to vehicle automation, safety, research, and technical project leadership.
2w
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Junior Application Developer (Reverse Engineer)
Fort Meade, Maryland, United States
$95k-$155k/yr OnsiteFull Time
1+ YOEActive Top Secret/SCI with polygraph required. Bachelor's in technical discipline or 4 yrs experience, 1+ year reverse engineering, experience with vulnerability research, network protocols, and software development in Rust/Python/C/C++.
Rust, Python, C/C++, Jira, Confluence
2mo
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AI/ML Engineer, Mid
Washington, District of Columbia, United States
$78k-$176k/yr OnsiteFull Time
Experience with AI, data science, ML engineering, software engineering, data research, or data analytics; programming in Python, C#, or Java; knowledge of big data tools (Spark, Hadoop, Databricks); ability to obtain a Secret clearance; Bachelor's degree.
Python, C#, Java, Spark, Hadoop, Databricks
1mo
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Network-Savvy CNO Developer (TS/SCI w/ Poly)
Annapolis Junction, Maryland, United States
$177k-$332k/yr OnsiteFull Time
15+ YOEActive Top Secret/SCI with polygraph, 15+ years software engineering (C, Python)/reverse engineering/vulnerability research or 3 years with a Master’s; experience with RE, firmware, embedded systems, and vulnerability research.
C, Python, IDA Pro, Ghidra
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