9 graduate software engineer jobs at 3 companies in Front Royal, VA

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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
5d
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Lead, Software Engineer (42381)
Herndon, Virginia, United States
$117k-$218k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEBachelor's degree plus 9 years' relevant experience, graduate degree plus 7 years, or 13 years without a degree. Requires active Secret clearance and software engineering, architecture, Agile, and lifecycle experience.
Java, C++, Spring Boot, REST API, Linux, Jenkins, Docker, Kubernetes, AWS GovCloud, DevSecOps
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Lead, Software Engineer (40033)
Herndon, Virginia, United States
$135k-$230k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEBachelor's in CE/EE/CS or equivalent experience, 9+ years related experience (or 7+ with graduate degree), experience leading software teams, DoD Secret clearance, expertise in embedded software and Rust/C/C++/Python.
RUST, C, C++, Python, VxWorks, Linux, Integrity, IBM Rhapsody, MagicDraw, Cameo, UML
1w
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Specialist, Software Engineering (39276)
Herndon, Virginia, United States
$97k-$208k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOEBachelor's degree in computer or electrical engineering and 4+ years of relevant experience, or graduate degree with 2+ years. Requires 4+ years in C/C++, Linux, software design, testing, and integration; Secret clearance eligibility.
C, C++, Linux, Qt IDE, UI Framework
6d
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
1w
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Sr. Associate, Software Engineering (39278)
Herndon, Virginia, United States
$97k-$208k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
2+ YOEBachelor's degree in computer or electrical engineering plus 2+ years of relevant experience, or graduate degree plus 1+ year. Requires 2+ years developing C/C++ software and ability to obtain Secret clearance.
C, C++, Linux, Qt IDE, Qt UI Framework
6d
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2026 Intern Conversion - Aerospace Software Apps Engineer I
Washington or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2026 Blue Origin internship completion, college enrollment or recent graduation, B.S. in engineering, full-time availability by September 2027, independent teamwork, communication skills, and U.S. work authorization.
Defense Biometric Identification System (DBIDS)
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Senior Propellant Chemical Engineer (42418)
Camden or Culpeper
$77k-$143k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOEBachelor's degree in chemistry, chemical or materials engineering plus 4 years of energetic materials experience; graduate degree plus 2 years or 8 years in lieu. Secret clearance obtainable.
statistical analysis, programming, data acquisition
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DevOps Engineer - Mid-SR, TS/SCI with FSP - $150K-$200K + 15% 401k
Fairfax, Virginia, United States
$150k-$200k/yr OnsiteFull Time
Millennial Software
Millennial Software: Develops software and automation tools for national security and defense.
6+ YOEActive US citizenship and TS/SCI+FSP, Bachelor’s in CS or related, 6+ years experience (4+ with graduate degree), Security+ required, experience with Terraform, Ansible, Kubernetes, Docker, Linux, Bash/Python, CI/CD and AWS.
Terraform, Ansible, RedHat, Bash, Python, Kubernetes, Docker, Prometheus, Grafana, ELK, Harbor, Helm, ArgoCD, Flux, Amazon Web Services (AWS), EC2, S3, SQS, CI/CD