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473 software tool engineer jobs at 207 companies in Leesburg, VA

2mo
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Software Tool Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Independent Software
Independent Software: Provides software and systems engineering for national security missions.
10+ YOEExperience supporting software productivity, configuration management, or systems engineering tool environments; SDLC/CM familiarity; enterprise tool support; DoD 8570 IAT Level I; active TS/SCI with poly.
IBM Rational, HP Service Manager, Enterprise productivity tools
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6d
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Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
7+ YOE7+ years software engineering experience, bachelor\u0002s in CS or equivalent, U.S. citizenship, active Top Secret/SCI with Full Scope Polygraph, proficiency in listed languages/tools.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, VS Code, Windows, Unix, Linux, macOS, JIRA, Confluence, GitHub, ServiceNow, Spring, Angular, Bootstrap, Oracle, MySQL, MongoDB, Maven, Jenkins, Docker, Kubernetes, Git, SVN, CVS, AWS, Azure, Google Cloud
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1mo
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Software Engineer
Laurel, Maryland, United States
$128k-$214k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
12+ YOERequires demonstrated software engineering experience with DevOps/Kubernetes platforms, GitOps (GitLab), Flux/Argo, Rancher, and project tools (JIRA/Confluence). Must hold an active TS/SCI with polygraph and meet experience/degree equivalencies.
Kubernetes, Rancher, GitOps, GitLab, Flux, Argo, JIRA, Confluence, Talos, VMware vSphere, AWS EC2, Linux, Python, Bash
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1w
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Software Engineer
Hanover, Maryland, United States
$185k-$190k/yr OnsiteFull Time
AnaVation
AnaVation: Providing technical engineering and cybersecurity solutions for federal agencies.
7+ YOEU.S. citizen with active TS/SCI and recent full-scope polygraph, bachelor's in a technical discipline, 7+ years software engineering experience, expertise in Python/C/C++, Windows and UNIX/Linux, CI/CD and DevSecOps tooling.
Python, C, C++, Windows, UNIX/Linux, shell scripting, Docker, Kubernetes, OpenShift, Ansible, Jenkins, GitLab CI/CD, Bamboo, Elasticsearch, Kibana
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1mo
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Software Engineer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
4+ YOE4+ years software/DevSecOps/platform engineering experience, GitHub Enterprise and GitHub Actions experience, scripting in Python or Go, IaC and SBOM tooling, knowledge of SLSA/SSDF/NIST 800-218, Secret clearance required, HS diploma or GED.
GitHub Enterprise, GitHub Actions, GitHub Advanced Security, Dependabot, Terraform, GitHub CLI, REST, GraphQL, Python, Go, Sigstore, Cosign, OPA, Kyverno, SLSA, SSDF, NIST 800-218
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3w
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Software Engineer
Annapolis Junction, Maryland, United States
$96-$108/hr OnsiteFull Time
EverWatch
EverWatchNYSE: BAH: Provides advanced software and intelligence solutions for government agencies.
14+ YOESenior full-stack developer with experience in Java, Spring Boot, Linux, APIs, SQL, Git, and container tooling; TS/SCI with polygraph required; HS/GED plus 18+ years or Bachelor's plus 14+ years of software engineering experience.
Java, JavaScript, Spring Boot, Linux, API, SQL, Git, Docker, Docker Compose, Maven, Apache Kafka, Apache NiFi, Jira, Confluence, ReactJS
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1mo
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Software Engineer
McLean, Virginia, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
4+ YOE4+ years software/DevSecOps/platform engineering experience; GitHub Enterprise and GitHub Actions experience; Python or Go; IaC (e.g., Terraform); SBOM tools (Sigstore, Cosign); knowledge of SLSA/SSDF/NIST; secret clearance required; HS diploma/GED.
GitHub, GitHub Actions, Terraform, GitHub CLI, REST, GraphQL, Python, Go, Sigstore, Cosign, OPA, Kyverno, Dependabot, GitHub Advanced Security
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3w
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Software Engineer
Annapolis Junction, Maryland, United States
$126k-$270k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
14+ YOEBachelor's in CS/CE/EE/Math/Physics, 14+ years software engineering, TS/SCI with Polygraph, experience with C/C++/C#/Java/Python, CI/CD and build/deploy tools, Windows/UNIX development, strong communication and design skills.
C, C++, C#, Java, Python, Artifactory, Docker, Terraform, Ansible, Packer, Jenkins, Bamboo, Windows, UNIX
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2mo
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Software Engineer
Columbia, Maryland, United States
$93k-$140k/yr OnsiteFull Time
TCOM
TCOM: Designs and manufactures persistent surveillance aerostat and ISR systems.
5+ YOEBachelor's in Engineering required; minimum 5 years engineering experience (advanced degree may substitute); experience with simulation tools, modeling, testing, documentation, and design reviews.
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2mo
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Software Engineer
Herndon, Virginia, United States
$130k-$265k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
4+ YOE4-7+ years in software development across data, application, and UI layers; APIs, cloud, and data tooling experience; TS/SCI clearance.
Java, C#/.NET, SQL, JavaScript, HTML, XML, Python, R, Spark, Apache Iceberg, EMR, NiFi, Kubernetes
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2mo
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Software Engineer 3 (AI Assisted Developer Tooling)
Columbia, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
12+ YOEActive TS/SCI with polygraph, 12+ years software engineering experience (with BS) or equivalent, proficiency in Python and Java, experience with IDEs and LLM-powered developer tools, and strong engineering practices.
Python, Java, VS Code, TypeScript, Electron
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2mo
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Software Engineer
Annapolis Junction, Maryland, United States
$150k-$210k/yr OnsiteFull Time
Wood Consulting Services
Wood Consulting Services: Provides technical and strategic solutions to federal government agencies.
12+ YOE12 years of software development experience; strong Java expertise; experience across multiple Java frameworks; UI and server-side development; proficient with databases and DevOps tools.
Java, Python, C/C++, Groovy, SQL, JavaScript, Spring, JEE, JPA, EJB, JTA, Jackson, Jersey, Swing, JavaFX, Angular, Eclipse, VS Code, Visual Studio, WebStorm, Rhapsody, Oracle, PostgreSQL, MongoDB, SQL Server, BDD, DevOps tools, Windows, Linux
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1mo
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Staff Software Engineer
Tysons, Virginia, United States
HybridFull Time
Alarm.com
Alarm.comNasdaq: ALRM: Provides cloud-based smart home security and automation solutions.
8+ YOEBachelor's degree or equivalent, 8+ years software engineering experience, strong C#/.NET Core skills, distributed systems and microservices experience, Kafka, Kubernetes, Redis, observability tooling, excellent communication and technical leadership.
C#, .NET Core, Microsoft SQL Server, Kafka, K8s, Microsoft Azure, Redis, Helm, Argo Rollouts, Grafana, Backstage, Specmatic, Pact, OpenTelemetry, dotnet-templates
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1mo
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IVA Software Engineer
Arlington or Rosslyn
$120k-$160k/yr HybridFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
3+ YOEUS citizen with active Secret clearance; 3+ years software engineering experience (Bachelors+5 or Masters+3). Experience with TypeScript/JavaScript, React, Next.js, NestJS, AWS, relational databases, CI/CD, and DevOps tooling.
JavaScript, TypeScript, React, Next.js, NestJS, Lambda, API Gateway, S3, ECS, Fargate, Oracle, PostgreSQL, Aurora, TypeORM, Prisma, DBeaver, pgAdmin, SQL Developer, CodePipeline, CodeBuild, CloudFormation, CDK, GitLab, Jenkins, Nexus, OKTA, CyberArk, Jira Service Management
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1mo
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Software Engineer (Contract)
Chicago or Washington or District of Columbia or Florida or Illinois or Maryland or Michigan or North Carolina or New York or Pennsylvania or Texas or Vermont or Virginia or United States
$90k/yr HybridContract
Civis Analytics
Civis Analytics: Cloud platform for data science and predictive audience analytics.
1+ YOE1–2 years professional software engineering experience; familiarity with AI/ML and tools; front-end React and back-end frameworks (Rails/Django/Node); SQL proficiency; strong problem-solving and collaboration skills.
React, Python, Ruby, Node, SQL, Claude Code, GitHub Copilot, ReactJS, AngularJS, VueJS, Rails, Django, NodeJS, Go, Flask, Amazon Web Services (AWS), D3, pandas, scikit-learn, NumPy, SciPy, R, STATA
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1w
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Software Engineer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOEActive Top Secret (TS/SCI) with polygraph required; bachelor's in a technical discipline (or +4 years experience); 3 years software development; experience with Python, Kafka, relational databases, and AI/ML tools.
Kafka, Python
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2mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
7+ YOESeven years in software development/engineering; two years in SIGINT environment; front-end web development with JavaScript/React; knowledge of distributed storage and big data tools; experience with Windows/UNIX/Linux; strong communication and mentoring skills.
Java, C, C++, Windows, Linux, Unix, Hadoop, HDFS, BigTable, Web Services, SOA, JavaScript, React
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1w
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Software Engineer Kubernetes
Columbia, Maryland, United States
HybridFull Time
Northstrat
Northstrat: Provides IT and engineering solutions for US government agencies.
9+ YOE9+ years software engineering experience with strong Java skills, Kubernetes (helm, flux), microservices, REST/APIs, Linux, config tools (Git,Nexus,Maven); U.S. citizenship required; security clearance desired; tech lead/mentorship experience.
Kubernetes, helm, flux, Java, Spring, Guava, Linux, Git, Nexus, Maven, AWS, Azure, golang, python, gitlabs CI, Elasticsearch, MongoDB, Solr, JIRA, Confluence, Github Enterprise
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1mo
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Journeyman Software Engineer
Fredericksburg or Dahlgren or Washington or Chantilly
$90k-$110k/yr HybridFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
3+ YOEBachelor's (plus 2 yrs) or Master's (plus 4 yrs) in CS/Engineering/Math; 3+ years of software development with C++/C# preferred; Agile experience; Atlassian tools, Git/Bitbucket; must obtain/maintain a Secret clearance and be a U.S. citizen.
Atlassian, Jira, Confluence, Git, Bitbucket, C++, C#
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1mo
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Senior Lead Software Engineer
McLean or Richmond or Chicago or Plano
$209k-$262k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOEBachelor's degree, 6+ years software engineering, 1+ year cloud experience (AWS/Azure/Google Cloud). Proficiency in JavaScript, Java, TypeScript, SQL, Python, Go, containers, Kubernetes, and AWS tools. Leadership and AI tooling experience preferred.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Open Source RDBMS, NoSQL databases, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, GCP, interactive AI tooling
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