134 senior python developer jobs at 53 companies in Orange, VA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Senior Python Engineer
Quantico, Virginia, United States
OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
9+ YOEU.S. citizen with active Top-Secret clearance, Bachelor's (or equivalent) and 9+ years' experience; 3–5 years Python development; IAT-II/Security+ CE; experience with Django/Flask, API development, Git, databases/ORMs, security best practices.
Python, Django, Flask, Git
1mo
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Senior Python Engineer
Quantico, Virginia, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor's (or equivalent) and 9+ years experience, U.S. citizenship with active Top-Secret clearance, IAT-II (Security+ CE), 3–5 years Python development, Django/Flask, API integration, Git, database/ORM knowledge.
Python, Django, Flask, Git
3mo
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Senior Software Engineer
King George, Virginia, United States
OnsiteFull Time
TMC Technologies
TMC Technologies: Provides engineering and IT services to government and defense clients.
7+ YOE7+ years in software development with C++, C, Python, Java, and experience with UNIX/Linux/VxWorks; DevSecOps, Agile/Safe; SCRUM; publish/subscribe middleware; model-driven architecture; software metrics; security clearance required; Bachelor’s degree.
C++, C, Python, Java, Batch, UNIX, Linux, VxWorks, publish/subscribe middleware, Model Driven Architecture, DevSecOps, Agile, SAFE, SCRUM
1mo
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Senior Software Engineer
Quantico, Virginia, United States
OnsiteFull Time
Redhorse
Redhorse: Delivering data insights and technology solutions to government agencies.
6+ YOEActive TS/SCI clearance; BS in CS/CE/SE/EE/Info Security; 6+ years software/ops; 4+ years in CNO; 2+ years automation (Python/Bash/PowerShell/Ansible); Linux admin; Git/Jira/GitLab; Docker/Podman; leadership; able to work independently.
Python, Bash, PowerShell, Ansible, Linux (Ubuntu, Rocky Linux), Git, Jira, GitLab, Docker, Podman, Docker Compose
2mo
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Senior Test Engineer
Manassas, Virginia, United States
$101k-$188k/yr OnsiteFull Time
SWIFT
SWIFT: Provides secure messaging services for global financial transactions.
5+ YOEBachelor's in Computer Science or Information Technology; 5+ years in software/systems integration or testing; experience with CI/CD, automation, Python, Shell, Linux, Java, Selenium/Robot Framework; CI/CD with Jenkins; Bitbucket/Git; Ansible; strong communication and collaboration; able to work independently and in agile environment.
Python, Shell, Linux, Java, Selenium, Robot Framework, Jenkins, Bitbucket/Git, Ansible
1w
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Senior Software Developer – Secret
Quantico, Virginia, United States
HybridFull Time
VMD Corp
VMD Corp: Provides airport security screening and federal IT services.
7+ YOESecret clearance, Bachelor\u0002s or equivalent,7+ years software development experience; strong with ASP.NET Core,.NET Framework,C#,Java,Python,MS SQL Server,Oracle,SharePoint,ServiceNow,Docker,CI/CD,GIT and DevSecOps practices.
ASP.NET Core, .NET Framework, C#, Java, Python, Microsoft SQL Server, Oracle Database, SharePoint, ServiceNow, Docker, Artifactory, Nexus Repository, NuGet, Git, Infrastructure as Code (IaC)
2w
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Cloud Developer, Senior
Fort Belvoir or Charlottesville
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years building and operating enterprise secure systems; 3+ years IaC in AWS/Azure/GCP with Terraform or CloudFormation; 2+ years Golang/Python/SQL/Scala/Java, Ansible, Kubernetes/Docker, networking, CI/CD; Secret clearance and ability to obtain DoD 8570 IAT Level II.
AWS, Azure, GCP, Terraform, CloudFormation, Golang, Python, SQL, Scala, Java, Ansible, Kubernetes, Docker, Helm, GitLab, Linux
2mo
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Senior Staff Test Design Software Engineer
Waynesboro, Virginia, United States
$167k-$250k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
14+ YOEUS citizenship, ability to obtain/maintain active Secret clearance, SDLC and Agile experience, proficient in C, C++, C#, Python, and software integration; strong communication.
C, C++, C#, Python, SW integration, SDLC, Agile
1mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
2w
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Senior Software Engineer
Warrenton or State College or Augusta or Centennial
$150k-$200k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Strong Java and JavaScript/TypeScript skills required; Bachelor's in CS/CE/EE or related; experience with full-stack development, containers, Kubernetes, REST, and related tooling; Top Secret clearance required.
Java, Python, JavaScript, TypeScript, Angular, React, Elasticsearch, ELK stack, Redis, Web Services (REST), Docker, LXC, Kubernetes, Helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas
2w
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Senior Full-Stack Developer
Charlottesville, Virginia, United States
HybridFull Time
Data Systems Analysts
Data Systems Analysts: Provides IT and cybersecurity solutions for government agencies.
8+ YOETS/SCI clearance and DoD 8140 IAT Level II required; BS in CS or related (experience may substitute); 8+ years building secure cloud-native applications using Python/TypeScript/JavaScript, React, AWS GovCloud, CI/CD, IaC, containers, and secure coding practices.
Microsoft Copilot, React, TypeScript, Python, FastAPI, Express.js, Angular, GitLab CI/CD, AWS GovCloud, EC2, ECS, EKS, Lambda, S3, IAM, Terraform, CDK-TF, AWS CDK, Pulumi, Docker, Kubernetes, JSON, YAML, OpenAPI, Swagger, SonarQube, Jira, Confluence, Amazon SQS, Kafka, PostgreSQL, DynamoDB, MongoDB
1mo
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Simulation Developer
Quantico, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOETS/SCI clearance required. Bachelor\u0002s in CS or related field (or 10 years experience). 7+ years simulation or game-based software development; proficiency with C++, C#, Python, or Java; experience with simulation engines and version control.
C++, C#, Python, Java, AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, Arena, SQL
1mo
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Regional Threats Modeling and Simulations Engineer (Senior-Level)
Charlottesville, Virginia, United States
HybridFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
12+ YOESenior data scientist/engineer with 12 yrs relevant experience (8 yrs with Bachelor's). Requires mastery in data science, ML, modeling & simulations, R/Python/SQL, Power BI/Tableau, analytic leadership, and wargaming; TS/SCI required.
R, Python, SQL, Microsoft Office, Microsoft Power BI, Tableau
2mo
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Senior Staff Test Design Software Engineer
Waynesboro, Virginia, United States
$167k-$250k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
10+ YOEU.S. citizen able to obtain/maintain U.S. Government Secret Clearance and Special Program Access; advanced degree or equivalent experience; 10+ years technical experience; SDLC/Agile experience; proficiency in C, C#, C++, Python; strong communication skills.
SDLC, Agile, C, C#, C++, Python, RS View, RS Logix 5000, PLC/HMI, FPGA, RTOS, LabWindows CVI, AMAX
3mo
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Senior RF Spectrum Policy Analyst/Engineer
Chantilly or El Segundo or Colorado Springs
OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
12+ YOEBachelor’s in Electrical Engineering; 12+ years experience for Senior role; experience with ITU/NTIA/FCC spectrum policy; ability to obtain TS/SCI clearance; travel <10%.
RF engineering, Policy analysis, Python, Matlab, Spectrum management
1mo
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Senior Computer Network Operations Software Engineer
Chantilly or Tysons or Quantico or Huntsville
OnsiteFull Time
Full Visibility
Full Visibility: Provider of technical and engineering solutions for government agencies.
6+ YOEActive TS/SCI clearance, bachelor’s in a computing/engineering field, 6+ years software engineering (4+ supporting CNO), 2+ years automation with Python/Bash/PowerShell/Ansible, Linux admin, Git/Jira/GitLab, Docker/Podman experience.
Python, Bash, PowerShell, Ansible, Ubuntu, Rocky Linux, Git, Jira, GitLab, Docker, Podman, Docker Compose, Kubernetes, Apache NiFi, C, C++
1mo
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Senior Associate Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
2+ YOE2+ years experience; Bachelor's (or Master's) in systems/computer/software engineering or IT; experience with Java, C++, Python, Git, Linux, Docker; US citizen with current or eligible SECRET clearance; strong communication skills.
Java, C++, Python, Git, Linux, RHEL 8, RHEL 9, Docker, Kubernetes, Podman, KVM, Helm, Jenkins, Ansible, GitOps, Nexus, Robot Framework
2w
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Staff / Senior Flight Physics Engineer
Manassas, Virginia, United States
$110k-$160k/yr HybridFull Time
Electra
Electra: Developing hybrid-electric aircraft for sustainable regional air mobility.
6+ YOEBachelor's in aerospace or related, 6+ years (Staff) or 8+ years (Senior) experience in aircraft performance/flight sciences, proficiency with Python or MATLAB and Git, experience with FAA Part 23/25 certification, VLM/AVL/xRotor/CFD exposure, strong analytical and communication skills.
Python, MATLAB, Git, AVL, xRotor, VLM, CFD
2mo
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Software Engineer/Data Manager
Alexandria or Quantico
OnsiteFull Time
JASINT
JASINT: Providing cybersecurity and technical services for national security missions.
8+ YOEActive TS/SCI with Poly required; Bachelor’s or Master’s with 8+ years (or specialized training with 10+ years); senior-level experience in data management, knowledge management, and software development.
Python, Java, C++, Microsoft SharePoint, Microsoft PowerPoint, Visual Studio
1w
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Cleared Senior Systems Engineer
Charlottesville, Virginia, United States
$116k-$209k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
8+ YOERequires advanced systems engineering and integration/testing experience, proficiency in Python/Java/C++/Bash/Matlab, MBSE and SysML familiarity, Git/Jira/Confluence experience, and active TS/SCI clearance preferred.
Python, Java, C++, Bash, Matlab, Git, Jira, Confluence, Cameo, MagicDraw, Innoslate, SysML, Optix, Linux Command Line Interface (CLI), Docker, Kubernetes, AWS

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