102 sr principal software engineer jobs at 26 companies in Easton, MD
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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.
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
Principal Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
20+ YOERequires 20 years of software engineering experience, a computer science bachelor's degree or 24 years without one, 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, 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
1mo
Save
Mark Applied
Hide
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)
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
397 - Principal Software Engineer
Fort Meade or Annapolis Junction
$216k-$241k/yr OnsiteFull Time
11+ YOEBachelor's degree plus 11 years of relevant experience or equivalent; Python proficiency; C/C++ and x86 Assembly comprehension; software architecture, OS internals, debugging, malware analysis, and reverse engineering experience.
Python, C, C++, Assembly, x86
2mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior Principal Software Engineer
Annapolis Junction, Maryland, United States
HybridFull Time
10+ YOEBachelor's degree plus 10 years relevant experience or master's degree plus 8 years. TS/SCI clearance eligibility and U.S. citizenship required; expertise in software lifecycle, leadership, embedded systems, CI/CD, and Kubernetes preferred.
Kubernetes, Helm, containerd, Docker, Podman, Linux, FPGA, AI/ML, MCP (Model Context Protocol)
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Annapolis Junction, Maryland, United States
$205k-$217k/yr OnsiteFull Time
20+ YOE20 years SWE experience, bachelor\u0002s in computer science (or 4 extra years experience), 5 years UX experience, knowledge of Linux, CSS, JavaScript, HTML, UX research, 508 compliance; TS/SCI with polygraph required.
Linux, CSS, JavaScript, HTML, Adobe Suite
3mo
Save
Mark Applied
Hide
Principal Software Engineer TS/SCI w Poly
Annapolis Junction, Maryland, United States
$135k-$216k/yr OnsiteFull Time
8+ YOEBachelor's degree plus eight+ years, or Master's with six+ years, or PhD with three+ years; TS/SCI with polygraph clearance required.
AWS, Terraform, CI/CD, cloud deployments