83 principal engineer software development jobs at 44 companies in Fredericksburg, VA

3mo
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Principal Software Engineer
Arlington, Virginia, United States
OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Extensive software engineering leadership; delivery of large-scale distributed systems; cloud, AI/data platforms; strong communication and mentorship.
AWS, Cloud, DevOps, AI tooling, LLMs, distributed systems
2d
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Principal / Sr. Principal Cyber Software Engineer
Chantilly, Virginia, United States
$125k-$235k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOERequires active Top Secret/SCI clearance with polygraph, 5+ years of experience for Principal or 8+ for Senior Principal, proficiency in C# and C/C++, .NET Framework on Windows, PowerShell, Agile development, and software life cycle knowledge.
C#, C, C++, .NET Framework, Windows, PowerShell, Agile, Python, IDA Pro, Ghidra, Microsoft Azure DevOps, CI/CD
1mo
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Principal Software Development Engineer - US Federal
Reston, Virginia, United States
$192k-$287k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
8+ YOEMust be U.S. citizen and able to obtain/maintain security clearance; 8+ years deploying large-scale applications with 3+ years cloud experience; expertise in automation, CI/CD, networking, and scripting; BS in CS or equivalent.
AWS, GCP, Azure, Terraform, Puppet, Ansible, Chef, CloudFormation, Docker, Kubernetes, Helm, Jenkins, Git, TeamCity, GitLab CI/CD, Go (Golang), Python, Ruby, Java, Bash, MySQL, PostgreSQL, Tomcat, ZooKeeper, Kafka, Jira, tcpdump
2mo
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Principal Software Engineer
Fairfax, Virginia, United States
OnsiteFull Time
Trident Systems
Trident Systems: Develops high-performance electronics for space and defense.
9+ YOEBachelor's in CS/Software Eng/Data Science (or equivalent experience), 9+ years related experience (7+ with graduate degree) with Python, Linux/Windows, databases, JSON/REST, Git/SVN, and production-quality software development.
Python, Linux, Windows, Android, JSON, CSV, XML, REST APIs, sockets, message queues, PostgreSQL, SQLite, InfluxDB, object storage, Git, SVN, Flask, FastAPI, Django, Dash, Docker, CI/CD pipelines
1mo
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Principal Software Engineer
Tysons, Virginia, United States
$168k-$214k/yr HybridFull Time
Alarm.com
Alarm.comNasdaq: ALRM: Provides cloud-based smart home security and automation solutions.
15+ YOEBachelor's or equivalent, 15+ years software development, strong object-oriented skills, C#/.NET experience preferred, database design, technical leadership and mentoring experience.
C#/.NET
1mo
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Principal Software Engineer
United States or Vienna or Baltimore
$220k-$372k/yr OnsiteFull Time
NetApp
NetAppNASDAQ: NTAP: Sells enterprise data storage and cloud management software.
12+ YOE12+ years software development experience with expertise in cloud-native, storage and data management; proficiency in NFS/SMB/iSCSI and programming in C/C++/Golang/Node.js/Python.
C, C++, Golang, Node.js, Python, NFS, SMB, iSCSI, Docker, Kubernetes, GitHub, Jenkins, Ansible
2w
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Principal Software Engineer
Colorado Springs or Dayton or Herndon
$175k-$200k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
Software development experience with Unix/Linux, microservices, messaging, REST APIs, Agile/DevOps, Python, Java, JavaScript/React, and Cucumber; ability to obtain and maintain Top Secret clearance.
Unix, Linux, RabbitMQ, REST APIs, Agile, DevOps, Python, Java, JavaScript, React, Cucumber, CI/CD, GitHub, GitLab, Jira, Sphinx, NASA GMAT
1mo
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Principal Software Engineer
Baltimore or Seattle or Vienna or United States or United States
$220k-$372k/yr HybridFull Time
NetApp
NetAppNasdaq: NTAP: Provides intelligent data infrastructure for hybrid cloud environments.
12+ YOE12+ years software development, 5+ years data management/storage experience, 3+ years cloud-native and SOA expertise, proficiency with storage protocols and listed programming tools, strong communication and architectural skills.
C, C++, Golang, Node.js, Python, Docker, Kubernetes, GitHub, Jenkins, Ansible, CI build systems, Automated Testing, NFS, SMB, iSCSI
2mo
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Principal Software Engineer (Auth0)
Bellevue or Chicago or New York City or San Francisco or Washington
$244k-$376k/yr HybridFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
10+ YOE10+ years software development, 4+ years identity/cloud experience, 3+ years developer tooling experience; strong systems design, communication, and rapid learning skills.
Auth0, Auth0 FGA, Model Context Protocol (MCP), A2A, SDKs, Python
3mo
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Principal Cyber Software Engineer (iOS)
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
8+ YOEExtensive iOS native development with C/C++ on Unix/Linux; TS/SCI/Top Secret security clearance required.
C/C++, Objective-C, Swift, iOS, Unix, Linux, Ghidra, Hex-Rays, Docker, Corellium, Git, JIRA, Bitbucket, Bamboo, Atlassian tools
2mo
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Principal AI Software Developer
Fairfax or United States
$166k-$210k/yr RemoteFull Time
Pyramid Systems
Pyramid Systems: Provides software engineering and digital transformation for federal agencies.
12+ YOEUS citizenship required; 12+ years software engineering with 6+ years in AI systems; Bachelor's (or Master's) in CS/Software Engineering; expert Python, cloud (Azure/AWS/GCP), AI/ML platforms; enterprise architecture and leadership experience.
Python, COBOL, OpenAI, Bedrock, Vertex AI, AIR platform, Azure, AWS, GCP, RAG, DevSecOps, SBOM, NIST AI RMF
3w
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Principal Software Engineer
Arlington, Virginia, United States
OnsiteFull Time
Apogee Research
Apogee Research: Develops advanced cyber and systems engineering for national security.
Extensive experience building robust, maintainable software for algorithmically complex problems; high proficiency in C++; strong computer/network security knowledge; excellent analytical and problem-solving skills; US citizenship and Top Secret clearance eligibility required.
C++
2mo
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Principal AI Software Developer
Fairfax or Washington or United States
$166k-$210k/yr RemoteFull Time
Pyramid Systems
Pyramid Systems: Provides digital transformation and IT services to federal agencies.
12+ YOEUS citizenship required; 12+ years software engineering experience (6+ years in AI/LLM systems); bachelor's or master's in CS/Software Engineering or related; expert Python, cloud (Azure/AWS/GCP), AI/ML platforms; DevSecOps and enterprise architecture experience.
Python, OpenAI, Bedrock, Vertex AI, Azure, AWS, GCP, CI/CD, SBOM, DevSecOps, NIST AI RMF
1mo
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Principal Software Developer Engineer
Reston or Austin or Seattle
$115k-$235k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
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
4w
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Principal Software Engineer (Contract)
United States or Arlington or Denver or Merritt Island
RemoteContract
Airbus U.S. Space & Defense
Airbus U.S. Space & DefenseEuronext Paris: AIR: Provides satellite, helicopter, and cybersecurity solutions for U.S. defense.
15+ YOEBachelor's in STEM (masters preferred). 15+ years' experience (12+ with masters) in space/embedded flight software. US citizenship, ability to obtain government clearance, proficiency in C/C++, embedded development, real-time systems, GNC and HIL testing.
C/C++, GNC, BSP, Hardware in the Loop (HIL)
2mo
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Principal Software Developer - TS/SCI
Herndon or Chantilly
$148k-$267k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
10+ YOEBachelor's in EE/CS/CE, active Top Secret/SCI clearance, 10+ years software development experience (8+ in Linux, 6+ with Python and C/C++), strong algorithms/data-structure skills, and Git experience.
Python, C/C++, Linux, Amazon Web Services (AWS), Docker, Kubernetes, PyTorch, TensorFlow, Git, X-Midas, OpenCV, Keras, Qt/PyQt, Android, Gitlab CI/CD, CUDA
1mo
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Principal / Sr. Principal Software Engineer [TS SCI]
Stafford, Virginia, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOETS/SCI clearance with CI polygraph, IAT Level II, 5+ years software engineering experience (level dependent), proficiency in Java/C/bash/python, Windows and RHEL, familiarity with vulnerability tools (Nessus, HBSS, ACAS).
Java, C, bash, Python, Windows, RHEL, Nessus, HBSS, ACAS, Java Swing, Tomcat, JBoss, Wildfly, JDBC, SQL, MySQL, JEE, JNI, JNDI, JMS, Servlet, JSP, EJB, JPA, Hycu, Nutanix, VMware, Elastic Search Stack (ELK), HTML, JavaScript, CSS, Angular, DISA STIGs, Jira, Bamboo, Stash, GIT, Subversion
3w
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Principal Software Developer
Washington, District of Columbia, United States
HybridFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
5+ YOEActive TS/SCI clearance, 5+ years experience (Bachelor's) or equivalent, proficiency with Java 11+, Spring framework, Git; experience with JavaFX, geospatial/streaming data and DoD environments preferred.
Java, JavaFX, Spring, Git, OpenGL, Ant, Eclipse
3mo
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Senior Principal Software Engineer – (Secret Clearance Preferred – Onsite Required)
Oakton, Virginia, United States
$162k-$219k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOE10+ years of software engineering experience; strong C++, Linux, Bash; ETL and data warehousing; NoSQL; security clearance or ability to obtain; onsite work.
C++, SQL, ETL, Linux, Bash, Python, Ruby, MongoDB
1mo
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Principal Software Engineer
Herndon or Columbia
OnsiteFull Time
Clarity Innovations
Clarity Innovations: Provides software and data engineering for national security missions.
TS/SCI clearance required; bachelor's in CS or equivalent experience; experience with Python or GoLang, Kubernetes, containerization (Docker/Podman), GitOps/CI/CD/IaC, and modern DevSecOps practices; architecture and mentoring experience.
Python, GoLang, Kubernetes (K8s), CI/CD, IaC, GitOps, Docker, Podman, Crossplane, Backstage, DevSecOps, Microsoft Azure, Amazon Web Services (AWS)