41 security software engineer jobs at 27 companies in Warsaw, VA

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
3mo
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Software Developer
Dahlgren, Virginia, United States
HybridFull Time
Zekiah Technologies
Zekiah Technologies: Provides software development and geospatial engineering services.
5+ YOEFive years of professional software development experience; Agile experience; DoD exposure a bonus; security clearance required; BS in CS/Engineering or related field; CISSP/Security+ preferred.
C/C++, C#, .NET, Java, Python, Amazon Web Services, PHP, Data Science (coding), WPF, MVC
5d
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Software Engineer – Full-Stack / Simulation
Fredericksburg, Virginia, United States
$112k-$146k/yr OnsiteFull Time
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
4+ YOE4+ years software development experience; strong skills in modern languages, web visualization, secure real-time data pipelines, game-engine simulation, and AI/ML integration; US citizenship and ability to obtain security clearance.
Python, JavaScript, TypeScript, C#, NetCDF, HDF5, WRF, Unity3D, Google Protocol Buffers (Protobuf), Android Studio, Android Team Awareness Kit (ATAK), AWS GovCloud, AES-256, TLS, Cursor-on-Target, DIS, HLA
1mo
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SOFTWARE ENGINEER II - TESTING
Hollywood, Maryland, United States
$96k-$115k/yr OnsiteFull Time
Platform Aerospace
Platform Aerospace: Provides unmanned aircraft systems and rapid aircraft modification services.
2+ YOEBachelor's in engineering, 2+ years software development experience, embedded systems experience, proficiency in C/C++ and familiarity with Python, experience with debugging/testing/version control, ability to obtain security clearance, strong communication and problem-solving skills.
C, C++, Python, Linux, Hardware-in-the-loop (HIL)
3w
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Junior Software Developer
St Inigoes, Maryland, United States
$70k-$116k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
1+ YOEBachelor's in CS/SE/CE/Math or related, 1+ years software development experience, applied C/C++ and Java, agile experience, Secret security clearance required.
C, C++, Java, Linux, Wireshark, Eclipse IDE, SVN
1mo
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Lead Software Engineer, Data Protection
McLean or Richmond or New York City or Plano
$179k-$246k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience; preferred: Master's, extensive experience in Python/Java/TypeScript/SQL, AWS and schema validation systems, infrastructure as code, and security or AWS certifications.
Go, Python, TypeScript, SQL, CUE, JSON Schema, PostgreSQL, Aurora, Docker, ECS Fargate, Lambda, Step Functions, EventBridge, CDK, AWS, Microsoft Azure, Google Cloud, Java, JavaScript, Terraform, CloudFormation, GitHub Copilot, Claude Code
3w
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Junior Software Developer
Lexington Park, Maryland, United States
$75k-$85k/yr OnsiteFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
1+ YOERequires C# development experience, Agile/SDLC familiarity, debugging/testing skills, bachelor's degree in CS/SE/Engineering, 1–3 years experience, and active Secret security clearance.
C#, Python, Java, JavaScript, AWS, Docker, Jenkins, React, Flask, Spring Boot, SQL, NoSQL
2mo
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E01-C07 Software Engineer
Hollywood, Maryland, United States
$100k-$180k/yr OnsiteFull Time
Aether Aerospace
Aether Aerospace: Defense technology platform providing engineering and manufacturing solutions.
7+ YOE3+ MgmtAbility to obtain Top Secret clearance; Bachelor's or Master's in Computer Science/Engineering; 7+ years embedded software experience with 3+ years leading teams; proficiency in C++, C, Python, JavaScript/TypeScript; experience with RTOS (VxWorks, QNX, FreeRTOS), Embedded Linux, Git and CI/CD tools, Angular/Qt/QML, networking (UDP/TCP, multicast, D...
C++, C, Python, JavaScript/TypeScript, VxWorks, QNX, FreeRTOS, Embedded Linux, Git, Atlassian Bamboo, Jenkins, Bitbucket Pipelines, GitLab CI, Angular, Qt/QML, UDP/TCP, DDS (Data Distribution Service)
2mo
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Mission Security Engineer
Lexington Park, Maryland, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years in mission security methods and systems; secret clearance; BS in Engineering, Mathematics, or Physics; experience in Cybersecurity, Mission Security, Software Assurance, and related disciplines; secure coding practices; design of security architectures.
Cameo, MagicDraw, Cryptographic Algorithms, Secure Coding
1w
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Software Developer
Dahlgren, Virginia, United States
$145k-$175k/yr OnsiteFull Time
Tactical Engineering & Analysis
Tactical Engineering & Analysis: Provides systems engineering and analysis for military combat systems.
Bachelor's in STEM required. Strong experience with Java and C++, Git/GitLab, DevSecOps, Gradle, SonarQube; ability to lead/mentor developers and participate in Agile; ability to obtain US security clearance.
Java, JavaFX, Guice, Gradle, Git, GitLab, SonarQube, VMWare Workstation, Artifactory, Nexus, JIRA, Confluence, Linux/Unix
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
1mo
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SOFTWARE DEVELOPER/DATA SCIENTIST (INTERDISCIPLINARY) - DIRECT HIRE AUTHORITY
Dahlgren, Virginia, United States
$101k-$159k/yr OnsiteFull Time, Contract
Joint Warfare Analysis Center
Joint Warfare Analysis Center: Provides engineering and scientific analysis for US national security.
3+ YOEInterdisciplinary software engineering and data science role with security clearance; experience in development, security, and data analytics.
Python, R, Java, C#, Visual Studio, AWS, Kubernetes, GitLab, DevSecOps, ArcGIS Pro, LLMs
2w
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AI-Native Software Engineer Advisor Senior
Atlanta or Woodland Hills or Mason or Richmond or Denver or Mendota Heights
$142k-$222k/yr HybridFull Time
Elevance Health
Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.
7+ YOEBA/BS in IT/CS plus 7+ years multi-platform software engineering; experience building/integrating AI agents, cloud-native development, secure SDLC, and healthcare/regulatory experience preferred.
GitHub Copilot, Cursor, Claude Code, ChatGPT, Codex, Amazon Bedrock AgentCore, AgentCore Runtime, AgentCore Memory, AgentCore Identity, AgentCore Gateway, AgentCore Code Interpreter, AgentCore Browser Tool, AgentCore Observability, AgentCore Evaluations, AgentCore Policy
1w
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Lead Software Engineer (Hybrid Schedule)
Richmond, Virginia, United States
$135k-$163k/yr HybridFull Time
Virginia Retirement System
Virginia Retirement System: Independent agency administering retirement benefits for Virginia public employees.
7+ YOE2+ MgmtBachelor's in computer science,7+ years ASP/.NET development experience,2+ years team lead experience,expertise in ASP.NET,C#,MS SQL,secure coding,ability to support production and participate in on-call rotation.
ASP.NET, .NET, C#, MS SQL
1mo
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Analytic Support/ Software Sustainment and Engineer
Quantico or Dayton
OnsiteFull Time
Quick Services
Quick Services: Provides specialized intelligence and security services to defense agencies.
5+ YOEBachelor's plus 5+ years in software engineering and sustainment including maintenance, databases, requirements analysis, defect triage, version control, scripting, test/validation, and secure environment experience. TS/SCI required.
1w
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Software Developer and Integrator (JSE)-Journeyman
Patuxent River, Maryland, United States
$116k-$166k/yr OnsiteFull Time
AMEWAS
AMEWAS: Provides engineering, testing, and evaluation services for defense systems.
3+ YOE3+ years relevant experience, 3 years C++ experience, Lua experience, Windows/Linux development, Git/GitLab, ability to obtain DoD security clearance, bachelor’s degree or equivalent experience.
C++, Lua, Windows, Linux, Git, GitLab, Ansible, Jira, Scaled Agile (SAFe)
2mo
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Embedded Design Engineer
King George or Dahlgren
OnsiteFull Time
Southeastern Computer Consultants
Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.
3+ YOEEmbedded software engineer with BS in computer/electrical engineering, 3+ years embedded software experience, security clearance eligibility, citizenship required.
Git, GitLab, Jenkins, TCP/IP, GUI development, C/C++, Java, C#
2w
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Site Reliability Engineer
Jersey City or McLean or Richmond
HybridFull Time
Exiger
Exiger: AI-powered supply chain risk and compliance management software.
6+ YOEBachelor's or Master's (or equivalent), 6+ years software/systems engineering with >=4 years in SRE or production/platform reliability, strong Linux/Unix and networking knowledge, experience with SLIs/SLOs, observability, automation, chaos engineering, incident management, and familiarity with AWS and secure/gov environments.
AWS, Codex, Claude, Chaos Monkey, Gremlin, LitmusChaos, Snowflake, Redshift, Apache Iceberg, Go, C, Java, Linux/Unix
1mo
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Test Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Sigmatech
Sigmatech: Provides specialized engineering, technical, and programmatic support for government agencies.
7+ YOESeven+ years in developing and executing test strategies for complex software systems; experience with test tools, DevSecOps, cloud/on-prem, and security concepts.
AWS GovCloud, Azure Government, Docker, Kubernetes, Infrastructure as Code
1mo
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Senior DevOps Engineer (US REMOTE)
Waltham or Culver City or Richmond or West Valley City or Lexington or Little Rock or Allen or Phoenix or Mesa or Scottsdale or Beltsville or Birmingham or Chicago or Brentwood or Plantation or Schaumburg or Atlanta
$140k-$170k/yr RemoteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
8+ YOEU.S. citizen required. 8+ years cloud infrastructure experience, 5+ years software engineering, 2+ years Kubernetes/Docker. Experience with AWS, Terraform, Helm, MySQL, CI/CD, Git, Linux/Bash, and security/compliance frameworks; ability to obtain required security clearance.
Terraform, Helm, MySQL, Kubernetes, CI/CD, GitHub, BitBucket, Azure DevOps, Git, Linux, Bash, Docker, AWS, WireShark, TCPDump, SNGrep, nslookup, SIP/RTP, Artifactory, Sonar, Gradle, Prometheus/Grafana, ELK Stack, OWASP, NIST, CIS, Prisma Cloud/Twistlock, Mend/WhiteSource, Java
3mo
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Python Developer (Cybersecurity)
Dahlgren, Virginia, United States
OnsiteFull Time
TMC Technologies
TMC Technologies: Provides engineering and IT services to government and defense clients.
Develop software and security tools using Python; ability to obtain Secret security clearance; Bachelor's in Computer Science or Cybersecurity; on-site at NSWC Dahlgren.
Python