103 principal software engineer jobs at 31 companies in Aberdeen, MD
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$190k-$280k/yr OnsiteFull Time
20+ YOEActive TS/SCI with Polygraph; US citizenship; 20+ years software engineering experience; bachelor's in CS or related; able to work independently and in a team; strong communication.
Java, NiFi, SQL, PostgreSQL, Elasticsearch
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$215k-$250k/yr OnsiteFull Time
12+ YOE12 years of software engineering experience; BS in computer science; experience with Java, Spring Boot, MongoDB, Kubernetes, AWS; TS/SCI with Full Scope Polygraph clearance.
Java, Spring Boot, MongoDB, Kubernetes, Rancher, RKE2, AWS, RHEL, LLMs, S3/MinIO, Elasticsearch, NiFi
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$207k-$266k/yr OnsiteFull Time
12+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; 12+ years of software engineering; BS or higher in Computer Engineering/CS; 5 years in SIGINT/IA/IT domains; expert Java (17+), REST, Spring Boot, SOLID OO design; leadership and mentoring.
Java, Spring Boot, REST, MongoDB, Docker, Kubernetes, Elasticsearch, Logstash, Kibana, PKI, TLS, SSL, Confluence, Jira
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Senior Principal Software Engineer
Annapolis Junction, Maryland, United States
$183k-$193k/yr HybridFull Time
8+ YOEBachelor's in software engineering (or related STEM) with 10+ years experience or Master's with 8+ years; ability to obtain DoD TS/SCI clearance; strong software lifecycle, embedded/Linux development, Kubernetes/CI/CD experience.
CI/CD, Kubernetes, Helm, containerd, Docker, Podman, FPGA, Linux, Model Context Protocol (MCP), AI/ML
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Principal Software/Data Engineer
Laurel, Maryland, United States
OnsiteFull Time
19+ YOEExtensive software engineering experience; TS/SCI with polygraph; cloud infrastructure experience; strong Linux and Python; IT management understanding.
OpenStack, Linux, Python, Cloud infrastructure, COTS, GOTS
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Principal Software Engineer (ONSITE)
Fulton, Maryland, United States
$118k-$225k/yr OnsiteFull Time
8+ YOESoftware development with OO languages (Java/C++), full lifecycle, CS fundamentals; 8+ years experience or advanced degree.
Java, C++, Angular, GraphQL, REST, Kafka, Typescript, Docker, Kubernetes, OpenShift, Redis, Postgresql, HTML/CSS
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
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Principal Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
11+ YOEBachelor's in CS or Software Engineering plus 11 years' relevant experience; TS/SCI w/Poly clearance; proven experience designing and delivering complex production software, making architecture decisions, and mentoring engineers.
2w
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Principal Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
11+ YOEBachelor's in CS or software engineering plus 11 years relevant experience, TS/SCI w/Poly clearance, design and deliver complex production software, proficiency with modern programming, CI, source control, automated testing, and strong communication.
3w
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Principal Software Engineer
Hanover, Maryland, United States
$200k-$245k/yr OnsiteFull Time
20+ YOEUS citizen with TS/SCI+Poly, bachelor\u0019s degree in a technical discipline, 20+ years software engineering experience, advanced Python, Protocol Buffers, gRPC, Kubernetes, and Helm expertise.
Python, Protocol Buffers, gRPC, Kubernetes, Helm, Docker, Docker Buildx, GitLab CI/CD, Java, RESTful APIs, GNU Autotools, MongoDB, etcd, Elasticsearch, RabbitMQ
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Principal Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
20+ YOEUS citizen with Top Secret/SCI+Poly, bachelor\u0002s degree in a technical field, 20+ years software engineering experience, advanced Python, Protocol Buffers, gRPC, Kubernetes, Helm, and distributed systems expertise.
Python, Protocol Buffers, gRPC, Kubernetes, Helm, Docker, Docker Buildx, GitLab, GitLab CI/CD, Java, RESTful APIs, GNU Autotools, MongoDB, etcd, Elasticsearch, RabbitMQ
3d
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Principal Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOERequires 20 years of software engineering experience, a bachelor's degree in Computer Science or equivalent experience, U.S. citizenship, and active Top Secret/SCI clearance with full-scope polygraph.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, Visual Studio Code, Windows, Unix, Linux, macOS, Atlassian Suite, JIRA, Confluence, GitHub, ServiceNow, Spring, Angular, Bootstrap, Oracle, MySQL, MongoDB, Maven, Jenkins, Docker, Kubernetes, Git, SVN, CVS, AWS, Azure, Google Cloud
1mo
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Principal or Senior Principal Embedded Software Engineer
Annapolis, Maryland, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEB.S. in CS/EE/CE or equivalent with 5+ yrs (Principal) or 8+ yrs (Senior Principal) embedded real-time software experience; proficiency in C++, Python, Linux/Windows; technical lead and microelectronics programming experience; US citizen able to obtain TS/SCI with poly.
C++, Python, Linux, Windows, Jira, Confluence, Bitbucket, JavaScript, Qt, CUDA, ArrayFire, Docker, k8s
4w
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Principal Software Engineer TS/SCI w/Poly
Fort Meade, Maryland, United States
$200k-$255k/yr OnsiteFull Time
Design, develop, test, and maintain low-level and high-performance software; proficiency with Python and ability to read C/C++ and x86 Assembly; experience with OS internals, compilers, and reverse engineering.
Python, C/C++, Assembly (x86)
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Principal Software Engineer
United States or Vienna or Baltimore
$220k-$372k/yr OnsiteFull Time
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
1mo
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Principal Software Engineer
Baltimore or Seattle or Vienna or United States or United States
$220k-$372k/yr HybridFull Time
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
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Principal or Senior Principal Embedded Software Engineer
Annapolis, Maryland, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEB.S. in CS/EE/CE or equivalent STEM with 5+ yrs (Principal) or 8+ yrs (Senior) embedded real-time software experience; proficiency in C++ and Python; Linux/Windows experience; microelectronics programming; technical lead experience; US citizen able to obtain/maintain TS/SCI with poly.
C++, Python, Linux, Windows, Jira, Confluence, Bitbucket, JavaScript, Qt, CUDA, ArrayFire, Docker, Kubernetes
1mo
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Principal Software Engineer - AI Engineer
Jersey City or Wilmington or Palo Alto
$204k-$285k/yr OnsiteFull Time
7+ YOE7+ years software engineering experience; strong Python and PyTorch/TensorFlow; experience with vector storage, agentic AI and LLM deployment, MLOps and CI/CD, cloud (AWS or Azure); leadership and responsible AI practices.
Python, PyTorch, TensorFlow, Vector storage systems, CI/CD, MLOps, AWS, Azure, LLM Suite
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Software Engineer, Principal - TS/SCI
Centreville or Herndon or Columbia or Augusta or San Antonio or United States
$125k-$225k/yr HybridFull Time
10+ YOE10+ years software engineering experience, C/C++ proficiency, strong Windows knowledge, Git familiarity, active Top Secret/SCI clearance, bachelor’s in CS preferred, documentation and collaboration skills.
C/C++, Git, Python, CI/CD, Windows APIs, win32, Windows Native
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Software Engineer Principal II
Fort Meade or Maryland or United States
$150k-$254k/yr OnsiteFull Time
8+ YOEMust possess Top Secret/SCI with polygraph, Bachelor's in a related field, 8+ years software development experience with cleared/intelligence community work, and experience coding, testing, and deploying secure applications.
Docker, Java, HPC, AI agents, QPU, GPU
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