3mo
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Software and Systems Engineer
Chantilly or Herndon or McLean
OnsiteFull Time
5+ YOE5+ years professional software development; Python or Rust; Bash; distributed systems; CI/CD; Linux; strong communication.
Python, Rust, Bash, PostgreSQL, GraphDB, DynamoDB, AWS CDK, Docker, GitLab CI, Jenkins, CloudWatch, pytest, robot, behave, Linux, Embedded Linux
1mo
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Staff Software Engineer, Command and Control
Seattle or Herndon or United States
$150k-$180k/yr HybridFull Time
8+ YOEBachelor’s or Master’s in a computational field or equivalent experience, 8+ years software development, fluency in Python and strong Go skills, expertise in scalable software design and data structures, strong communication and problem-solving.
Python, Go
6d
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Java Software Engineer – Developer (Experienced and Senior)
Herndon or Seal Beach or Mesa
$127k-$232k/yr OnsiteFull Time
3+ YOEBachelor's degree, active U.S. Top Secret clearance, 3+ years software development experience with Java/C++/React/Angular, cloud and Agile experience, familiarity with Windows/Linux and CI/CD tools.
Java, C++, Angular, ReactJS, HTML, CSS, Python, Windows, Linux, AWS, Maven, Git, GitLab, Jira, Confluence, Bitbucket, JUnit, Mockito, Spring Boot, MongoDB, Kubernetes, Helm
1mo
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Senior Command and Control Software Engineer
Clarksburg or Arlington or Durham
$140k-$220k/yr OnsiteFull Time
3+ YOE3+ years embedded/edge software experience, strong modern C++ (C++17/20) on Linux, Python, real-time/low-latency systems, Protobuf or equivalent, CMake/Conan/Docker, experience with NVIDIA Jetson and RF/DSP preferred.
C++17/20, Python, NVIDIA Jetson, iceoryx2, ZeroMQ, Protobuf, TensorRT, ONNX, CMake, Conan, Docker
6d
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Java Software Engineer – Developer (Experienced and Senior)
Herndon or Seal Beach or Mesa
$127k-$232k/yr OnsiteFull Time
3+ YOERequires U.S. Top Secret clearance, Bachelor's degree, 3+ years software experience with Java/C++/React, cloud and Agile experience, and ability to work in Windows/Linux environments.
Java, ReactJS, Python, CI/CD, C++, Angular, HTML, CSS, Windows, Linux, AWS, Maven, Git, GitLab, Jira, Confluence, Bitbucket, JUnit, Mockito, Spring Boot, MongoDB, REST, Kubernetes, Helm
6d
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Software Developer - ServiceNow and Javascript
Herndon, Virginia, United States
OnsiteFull Time
Active TS/SCI with Full Scope Polygraph required; strong ServiceNow and JavaScript experience; familiarity with HTML/CSS, Flow Designer, and automated testing; platform customization and process analysis skills.
JavaScript, ServiceNow, HTML, CSS, ServiceNow Automated Test Framework (ATF), Flow Designer
2w
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Modeling and Simulations Software Developer
Huntsville or Rockville or Maryland or California
$72k-$123k/yr OnsiteFull Time
4+ YOEUS citizen with Secret clearance, Bachelor's in CS/CE or related plus 4+ years experience, modeling & simulations experience, C++ development, software engineering and testing experience.
C++
4w
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Software Engineering and Operations Manager
Herndon or Virginia
HybridFull Time
5+ YOE4+ Mgmt5+ years full-stack development, 4+ years leading engineering teams, bachelor's degree or equivalent experience, Azure/AWS and CI/CD experience, proficiency with .NET/C#/TypeScript/JavaScript, Entity Framework, and Angular.
.NET, C#, TypeScript, JavaScript, Entity Framework, Angular, VB6, C++, Microsoft SQL Server, Ruby on Rails, PHP, SQL, Elasticsearch, Azure, AWS, CI/CD, DevOps
2w
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Lead Modeling and Simulations Software Developer
Huntsville or Rockville or California
OnsiteFull Time
10+ YOE10+ MgmtUS citizen with Secret clearance, 10+ years experience with Javascript, Typescript, React, Java/Spring, management responsibility, bachelor's degree, and modeling & simulations experience.
Javascript, Typescript, React, Java, Spring Framework, Docker, Kubernetes, Rabbit MQ, TomCat Admin
1mo
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Senior Developer - Generative AI Platform and Mission Support
Herndon, Virginia, United States
$146k-$234k/yr OnsiteFull Time
7+ YOESenior developer with 7+ years (PhD) / 10+ years (MS) / 12+ years (BS) experience in software/platform development; strong Python production experience, cloud (AWS), Docker/Kubernetes, PostgreSQL/SQL, CI/CD, Git; US citizen able to obtain Public Trust.
Python, JavaScript, TypeScript, Rust, FastAPI, Docker, Kubernetes, AWS, PostgreSQL, SQL, Git, Terraform, React, LLM
1mo
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Senior Developer - Generative AI Platform and Mission Support
Herndon, Virginia, United States
$146k-$234k/yr OnsiteFull Time
12+ YOESenior software developer with extensive production experience (min 12 years with BS), strong Python, cloud (AWS), containerization (Docker/Kubernetes), backend/API and data skills, CI/CD and Git, and US citizenship for Public Trust suitability.
Python, JavaScript, TypeScript, AWS, Docker, Kubernetes, PostgreSQL, SQL, Git, Rust, FastAPI, React, Terraform, CI/CD
1w
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Web Application Developer and SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
12+ YOE12+ years developer experience; 5+ years with AWS and Java, C#, or Python; experience with VMWare, scripting (Python/Bash/Perl), Kubernetes; Top Secret clearance; HS diploma or GED.
AWS, Java, C#, Python, VMWare, Bash, Perl, Kubernetes
1w
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Web Application Developer and SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
12+ YOE12+ years developer experience; 5+ years with AWS, Java, C#, or Python; experience with VMware, scripting (Python,Bash,Perl), containerization (Kubernetes); Top Secret clearance and HS diploma/GED required.
AWS, Java, C#, Python, VMware, v9.x, Bash, Perl, Kubernetes
2mo
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System Development Engineer II, Platform Engineering and Emerging Technologies
Arlington or Herndon
$129k-$175k/yr OnsiteFull Time
2+ YOE2+ years software development; 1+ years design/architecting; Bachelor's degree or CSSLP; proficiency in C++, C#, Java, Python, Golang, PowerShell, Ruby; active US Top Secret/SCI clearance (with polygraph) or ability to obtain.
C++, C#, Java, Python, Golang, PowerShell, Ruby
1w
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Senior Lead Software Engineer - Network Infrastructure and Automation
Annapolis Junction or Sterling
$122k-$253k/yr OnsiteFull Time
5+ YOEBachelor's in STEM or equivalent, 5+ years network infrastructure and DevOps networking experience, active TS/SCI with polygraph, U.S. citizenship, Python and SDN expertise, Kubernetes and CI/CD experience.
Python, Shell Scripting, BGP, VRF, MPLS, IP, TCP, UDP, VMware NSX-T, Kubernetes, Helm, Podman, Docker, Jenkins, GitLab CI, Ansible, Terraform, Git, Kafka, REST, gRPC, NETCONF, RESTCONF, GitHub Copilot, Claude Code, Calico, OVN, Cilium
1w
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Test and Integration Engineer
Denver or Sterling
$63k-$130k/yr HybridFull Time
3+ YOEU.S. citizen with TS/SCI clearance (or ability to obtain),3+ years in software testing/QA/DevOps,knowledge of CI/CD,containerization,Kubernetes,Linux,ability to read code (Java/Python),and strong analytical and communication skills.
GitLab, Helm, Kubernetes, Karate, Gherkin, Jenkins, GitLab CI, ArgoCD, Terraform, Dagger, Grafana, Kibana, Prometheus, Elasticsearch, AWS, Bash, Python, PostgreSQL, Redis, GitHub Copilot, ChatGPT
1mo
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Application Development and Deployment Lead
Herndon, Virginia, United States
OnsiteFull Time
6+ YOEBachelor's in related field; 6+ years application design/deployment experience for classified IC systems; 5+ years combined programming experience; AWS certification; experience with Agile, SecDevOps, CI/CD and enterprise deployments.
Jira, Confluence, AngularJS, JavaScript, Java, HTML, CSS, Oracle, NoSQL, SQL, Kubernetes, Terraform, Docker, CI/CD, PowerBI, Tableau
2w
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Associate Director, Digital Proteomics and AI Innovation
Gaithersburg, Maryland, United States
OnsiteFull Time
PhD or equivalent with deep mass spectrometry proteomics/peptidomics expertise, hands-on data science and software delivery experience building AI/agentic AI systems, and ability to integrate multi-omic datasets to generate biological insight.
mass spectrometry, agentic AI, AI
1w
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Airport Engineering and Facility Services Contracts Lead
Dulles or Arlington
$95k-$137k/yr OnsiteFull Time
5+ YOE5+ years facilities maintenance or service contracting experience; ability to develop specifications, oversee procurement/contracting, manage large budgets, read engineering drawings, and use office/database software; state driver’s license required.
CLMS, Workday
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