213 sr principal software engineer jobs at 82 companies in Annapolis, MD
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
3mo
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Principal Software Engineer
Arlington, Virginia, United States
OnsiteFull Time
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
3mo
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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
Waltham or North Bethesda
$200k-$225k/yr HybridFull Time
8+ YOE8–12+ years of software development; expert in Python, React/TypeScript, AWS; strong system architecture and enterprise integration experience; Bachelor's degree in CS/Engineering or related field.
Python, React, TypeScript, AWS
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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
2w
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Sr Principal Embedded Software Engineer
Baltimore, Maryland, United States
$136k-$204k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, engineering, or related STEM field; 8 years' related experience; 6 years in C/C++, real-time embedded software, and full software lifecycle; U.S. citizenship; Secret clearance and SAP eligibility.
C, C++, VxWorks, Linux, Microsoft Visual Studio, MATLAB, Coverity, SonarQube, Clockwork, Atlassian, Kubernetes, Model-based Engineering, DevSecOps, Agile
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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
3w
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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.
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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.
1mo
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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
1mo
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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
1d
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Principal Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOERequires 20 years of software engineering experience, a computer science bachelor's degree or equivalent experience, active Top Secret/SCI clearance with full-scope polygraph, and U.S. citizenship.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, VS 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
3w
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Principal Software Engineer
Germantown, Maryland, United States
$190k-$225k/yr OnsiteFull Time
10+ YOEBachelor's in engineering or CS, 10+ years software experience including embedded systems, image/video processing, real-time/microsecond control, proficiency in C/C++, and strong hardware collaboration and mentoring skills.
C/C++, continuous integration, DevOps
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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)
3mo
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Principal Software Engineer
Washington, District of Columbia, United States
$152k-$229k/yr RemoteFull Time
5+ YOE5+ years in data/backend/platform engineering; strong Python; cloud infra; Kafka/RabbitMQ; SQL/NoSQL; CI/CD; IaC; data pipelines; security data domain interest.
Python, Go, Rust, Cloud infrastructure, Kafka, RabbitMQ, PostgreSQL, MongoDB, Elasticsearch, Delta Lake, AWS Neptune, Neo4j, Flask, Django, FastAPI, CI/CD, GitHub Actions, Terraform, Infrastructure as Code
2mo
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Principal Software Engineer
Fairfax, Virginia, United States
OnsiteFull Time
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