169 sr security software engineer jobs at 88 companies in Winchester, VA
1w
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(USA) Staff, Software Engineer, Information Security
Bentonville or Herndon
$110k-$264k/yr OnsiteFull Time
4+ YOEBachelor's degree and 4 years of software engineering experience, or 6 years of experience. Requires Python, CI/CD, identity platforms, cybersecurity, risk analysis, and secure software development expertise.
Python, Microsoft Entra Identity, Okta Identity, FIDO2, YubiKey, Passkeys, Windows Hello for Business, Platform SSO, Conditional Access, CI/CD, WCAG 2.2 AA
6d
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Sr. Software Engineer -CTJ- Poly
Reston or Redmond
$120k-$235k/yr HybridFull Time
2+ YOE2+ years technical experience in software or systems engineering, experience with large distributed or air-gapped environments, Azure experience, ability to meet security screening and U.S. citizenship requirements.
Azure, Microsoft Cloud, AI
1mo
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Sr. Software Engineer - Hybrid
Manassas or Belgium
$101k-$188k/yr HybridFull Time
5+ YOEBachelor's in CS or related, 5+ years systems development, strong C++/Java experience with Boost, gRPC, multithreading; familiarity with Linux, Docker, XML/JSON, security technologies and CI/CD tools; ability to tune high-performance systems.
C++, Java, Boost, gRPC, Linux, Python, Docker, XML, JSON, PKI, HMAC, AES, SSL, RHEL, Jenkins, JIRA, Artifactory, Confluence, PL/SQL, HTTP, TCP/IP, SQL
1mo
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Senior Embedded Security Software Engineer
Herndon, Virginia, United States
$129k-$193k/yr OnsiteFull Time
Experience in embedded systems, firmware reverse engineering, C/C++ and Python development, familiarity with Ghidra/IDA/Binary Ninja and QEMU, active Top Secret clearance and ability to obtain TS/SCI, ability to work onsite in Herndon, VA.
Ghidra, Python, QEMU, IDA Pro, Binary Ninja
16h
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Senior Embedded Security Software Engineer
Maryland or Herndon or Linthicum
$130k-$190k/yr OnsiteFull Time
Requires low-level C/C++ development, Python scripting in Linux, firmware reverse engineering, control-flow analysis, and embedded binary rehosting with QEMU. Top Secret/SCI clearance required for Herndon; polygraph required in Maryland.
C, C++, Python, Linux, Ghidra, IDA Pro, Binary Ninja, QEMU, Ghidra API, Binary Ninja API, JTAG, SWD, Software Defined Radio (SDR), Real-Time Operating Systems (RTOS)
1mo
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Senior Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOEAbility to obtain government security clearance, 10+ years software engineering experience, mastery of modern software design and SDLC, strong troubleshooting and systems analysis skills.
CA-IDMS, Microsoft SQL Server, Oracle DBMS, C, C++, Java, Ruby on Rails, Visual Basic, SIMULA, IBM Rational Rose XDE, Apache Struts, HTML, JavaScript, LoadRunner
1mo
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Sr Full Stack Software Developer
Denver or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance with polygraph preferred, 5+ years software development, proficiency in Java and JavaScript, Linux experience, willingness to obtain Security+; Bachelor's in CS or accredited bootcamp required.
Java, JavaScript, Linux, Kubernetes, Elasticsearch, Java Spring Boot framework, AWS, WebSocket's, RESTful API
1mo
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Sr Full Stack Software Developer
Denver or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance (polygraph preferred), 5+ years software development, proficiency in Java and JavaScript, Linux experience, bachelor's in CS or coding bootcamp, Security+ (or willingness), cloud and microservice experience.
Java, JavaScript, Linux, Kubernetes, Elasticsearch, Spring Boot, AWS, WebSocket, RESTful API
2mo
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Expert Software Engineer
Herndon or Columbia
HybridFull Time
5+ YOEFrontend-focused software engineer with Angular, JavaScript/TypeScript, and UI experience; security clearance required; 5+ years of relevant experience or 8+ years with BS; strong collaboration and DevOps mindset.
Angular, JavaScript, TypeScript, CSS, HTML, Node.js, NPM, Linux, Bash, Jasmine, Selenium, Cypress, Python, Flask, Django, Tableau, Pandas, D3.js, PDF.js
3w
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Principal Software Developer Engineer
Reston or Austin or Seattle
$115k-$235k/yr OnsiteFull Time
6+ YOEU.S. citizenship and active TS/SCI with Poly required. Senior software engineer with multi-year experience designing, building, testing, and operating distributed application services; experience with databases, programming/scripting, secure development, code review, and mentorship.
Oracle Cloud Infrastructure, AWS, Azure, Google Cloud, RESTful APIs, microservices, CI/CD, containers, Kubernetes, Linux, observability
3d
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Sr Software Development Engineer
Reston, Virginia, United States
$164k-$246k/yr HybridFull Time
3+ YOEUS citizen with 3+ years DevOps experience, proficiency in Python, Kubernetes/Docker, CI/CD and infrastructure automation, ability to obtain U.S. security clearance.
Kubernetes, Docker, Python, IAAS, AWS, GCP, Containers, Service Mesh, ArgoCD, Grafana, Terraform, Git, Jenkins
6d
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Software Engineer III
Chantilly, Virginia, United States
$121k-$189k/yr OnsiteFull Time
8+ YOEActive Top Secret clearance with SCI eligibility and CI polygraph eligibility, US citizenship, minimum 8 years software development experience, proficiency in Python, software architecture, OOD, Git, and unit testing; experience in secure government environments preferred.
Python, Git, Apache Nifi, Cribl, Terraform, GraphQL, Angular, React, Svelte, MySQL, PostgreSQL, Microsoft SQL, SAFe
22h
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Software Developer
Reston, Virginia, United States
OnsiteFull Time
8+ YOEBachelor's degree in a related field, 8 years of Agile software development integrating front and back ends, secure application coding/testing/deployment, and Intelligence Community experience; U.S. citizenship and Top Secret/SCI Polygraph eligibility required.
Agile
1mo
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Principal Software Engineer
Ashburn, Virginia, United States
HybridFull Time
8+ YOE8+ years embedded software experience (or 6+ with MS), strong C and C++, embedded systems and debugging, Unix/Linux proficiency, unit testing, ability to work with hardware teams; eligible for DOD security clearance.
C, C++, Unix, Linux, yocto, JIRA, Confluence, Git
2w
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Senior Software Development Engineer, Engagement Security
Herndon or Seattle
$168k-$227k/yr OnsiteFull Time
5+ YOE5+ years professional software development with programming, system design/architecture, mentoring/tech lead experience; experience with Linux, cloud platforms, AI/ML and on-call operations.
PyTorch, TensorFlow, Python, BERT, GPT-2, GPT-3, Linux, AWS
2mo
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Embedded Software Engineer - Cybersecurity
Carlsbad or Germantown
$141k-$222k/yr HybridFull Time
8+ YOE8+ years software engineering; strong C/C++ on Linux; encryption; OpenSSL; Linux security; Bash/Python/Lua; Agile/Perforce/Git; mentor; BS in CS/Engineering; hybrid Carlsbad; Active Secret Clearance.
C, C++, OpenSSL, Linux, Bash, Python, Lua, Perforce, Git, CI/CD, Agile
6d
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Senior Software Developer
Washington or Chantilly
HybridFull Time
5+ YOE5+ years enterprise software experience, bachelor’s in CS or related, experience with secure coding, cloud (AWS/Azure), compliance with federal audit/CJIS/FedRAMP, strong communication and attention to detail.
AWS, Azure, FedRAMP, CJIS, DevSecOps, Agile, Scrum
1w
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Software Engineer IV
Herndon, Virginia, United States
OnsiteFull Time
7+ YOE2+ MgmtLead a small engineering team; experience with Java, Python, SQL, Shell, Unix/Linux, Kubernetes/OpenShift; 7+ years relevant experience; TS/SCI with CI poly required; Security+ preferred.
Kubernetes, OpenShift, Java, Python, SQL, Shell Script, Unix, Linux, JavaScript, NiFi
2mo
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Embedded Software Engineer - Cybersecurity
Carlsbad or Germantown
$141k-$222k/yr HybridFull Time
8+ YOE8+ years software engineering experience with C/C++ on Linux, encryption/OpenSSL, Linux security controls, Bash/Python/Lua scripting, Git/Perforce, and an active US Secret Clearance; bachelor’s degree or equivalent.
C, C++, OpenSSL, Linux, Bash, Python, Lua, Perforce, Git, Docker, Podman, LXC, JSON, TLS, IPsec, ARM, Power, x86
3d
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Senior Software Engineer
Germantown, Maryland, United States
$107k-$145k/yr OnsiteFull Time
5+ YOEBachelor's in engineering, 5+ years experience, fluency in Rust/C/C++, strong Linux and networking skills, Docker, microservices, Git/Jenkins, ability to lead, U.S. citizenship and active/obtainable DOD security clearance.
Rust, C, C++, Linux, Docker, NATS, Kafka, MQTT, gRPC, Git, Jenkins