158 sr security software engineer jobs at 81 companies in Easton, MD
2mo
Save
Mark Applied
Hide
Sr Software Developer
Annapolis Junction or Columbia
$174k-$220k/yr OnsiteFull Time
20+ YOEActive security clearance with FS Poly; 20+ years as a software engineer in similar scope, or 4+ years of experience
Java, PostgreSQL, Database design, RESTful API, Docker, Power BI, Python, Power Query M, MariaDB, Elasticsearch
1mo
Save
Mark Applied
Hide
Sr. Software Engineer
Annapolis Junction, Maryland, United States
$100k-$200k/yr OnsiteFull Time
Applied Network Solutions: Providing cybersecurity and network engineering services for government agencies.
20+ YOE20 years SWE experience; Bachelor\u0002s in Computer Science (or 4 yrs additional SWE experience); required security certification (one of CompTIA Security+ CE, CCNA-Security, CySA+, GICSP, GSEC, CND, SSCP); Kubernetes, PKI, GitOps/CI/CD, Python, Bash, Linux, Jira/Confluence experience.
Kubernetes, PKI, GitOps, CI/CD, Linux, Python, Bash, Jira, Confluence
2mo
Save
Mark Applied
Hide
Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
3w
Save
Mark Applied
Hide
Senior Embedded Security Software Engineer
Linthicum or Fort Meade
$129k-$193k/yr OnsiteFull Time
Active TS/SCI with polygraph, strong C/C++ and Python, experience with Ghidra/IDA Pro/Binary Ninja and QEMU for firmware reverse engineering and rehosting, ability to work onsite at Fort Meade/Linthicum.
Ghidra, Python, QEMU, IDA Pro, Binary Ninja, C, C++, Linux, Ghidra API, Binary Ninja API, JTAG, SWD, SDR
2mo
Save
Mark Applied
Hide
Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions: Provides logistics and technical services to defense agencies.
7+ YOESenior software engineer with DoD biometric systems experience; security clearance required; Agile/DevSecOps; Android apps; cybersecurity.
Android, DevOps, DevSecOps, CI/CD, Security testing, Encryption
18h
Save
Mark Applied
Hide
Senior Embedded Security Software Engineer
Maryland or Herndon or Linthicum
$130k-$190k/yr OnsiteFull Time
Requires low-level C/C++ development, Python scripting in Linux, firmware reverse engineering, control-flow analysis, and embedded binary rehosting with QEMU. Top Secret/SCI clearance required for Herndon; polygraph required in Maryland.
C, C++, Python, Linux, Ghidra, IDA Pro, Binary Ninja, QEMU, Ghidra API, Binary Ninja API, JTAG, SWD, Software Defined Radio (SDR), Real-Time Operating Systems (RTOS)
1w
Save
Mark Applied
Hide
Software Engineer 3
Annapolis Junction, Maryland, United States
$188k-$235k/yr OnsiteFull Time
15+ YOE15+ years software engineering experience, bachelor’s in computer science (or equivalent), active security clearance with polygraph, C++/Python/Shell experience, CI/CD and testing expertise.
C++, Python, Shell, CI/CD, SDR
2mo
Save
Mark Applied
Hide
Expert Software Engineer
Herndon or Columbia
HybridFull Time
5+ YOEFrontend-focused software engineer with Angular, JavaScript/TypeScript, and UI experience; security clearance required; 5+ years of relevant experience or 8+ years with BS; strong collaboration and DevOps mindset.
Angular, JavaScript, TypeScript, CSS, HTML, Node.js, NPM, Linux, Bash, Jasmine, Selenium, Cypress, Python, Flask, Django, Tableau, Pandas, D3.js, PDF.js
3w
Save
Mark Applied
Hide
Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; strong Ruby on Rails backend skills; product-minded; experience with React and Flutter, relational databases, security and reliability (HIPAA/SOC 2); strong communication.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
3mo
Save
Mark Applied
Hide
Software/Data Engineer
Laurel, Maryland, United States
$176k-$282k/yr OnsiteFull Time
19+ YOEBachelor's degree in Engineering, Computer Science, Mathematics, or related field with extensive software engineering experience; cloud, Linux, Python; active TS/SCI with poly; ability to work at a customer site.
OpenStack, Linux, Python, PowerShell, Cloud Security
3w
Save
Mark Applied
Hide
PKI Software Engineer
Fort Meade, Maryland, United States
$140k-$170k/yr HybridFull Time
5+ YOEActive Secret clearance (Top Secret preferred), 5+ years software engineering, Java or Rust, Linux, containers, PKI/x.509 and HSM experience, DoD 8570 IAT II (Security+), strong communication.
Red Hat Enterprise Linux, Red Hat Certificate System, Dogtag, Java, Rust, Podman, Docker, KVM, HSM, Entrust nShield, Thales Luna, ACME, LDAP, Python, Bash, Fedora, RHEL, CI/CD, ML-DSA, JIRA
2mo
Save
Mark Applied
Hide
Application Security Engineer
Hanover, Maryland, United States
$166k-$295k/yr OnsiteFull Time
11+ YOETS/SCI with poly required. 11–15+ years experience in systems security, software engineering, or computer science. Hands-on C/C++ or C#, ability to read Java, experience with software assurance tools and source code analysis.
C, C++, C#, Java, Rust, Ada, x86_64, PowerPC, MIPS, ASM, Klocwork, CodeSonar, Fortify, CodePeer, IDA Pro, Fortran-Lint
1mo
Save
Mark Applied
Hide
Software Engineer III
Annapolis Junction, Maryland, United States
$215k-$291k/yr OnsiteFull Time
10+ YOETop Secret/SCI with polygraph required; US citizenship required; 10+ years related software engineering experience; Bachelor’s in Computer Science (or 4 years additional SWE experience); skills in computer/system security and HTML, CSS, JavaScript.
HTML, CSS, JavaScript, ITOM, ITSM, HRSD, CSM, Service Portal, Free and Open Source Software (FOSS), GOTS, COTS
1mo
Save
Mark Applied
Hide
Software Engineer III
Hanover, Maryland, United States
$119k-$178k/yr OnsiteFull Time
5+ YOEBS in CS/CE/Math/EE (or equivalent), 5+ years software engineering, experience with REACT/C/C++/C#, Linux, Jira, Git; ability to obtain DoD security clearance; US citizenship; strong written/oral communication and hardware test proficiency.
REACT, C, C++, C#, Linux OS, Jira, Git, oscilloscopes, multimeters
2mo
Save
Mark Applied
Hide
Software Engineer (Multiple Levels)
Fort Meade or Annapolis Junction
$82k-$172k/yr OnsiteFull Time
5+ YOETS/SCI with Polygraph required; BS in STEM (or equivalent experience); 5+ years software engineering experience (levels vary); experience with cloud platforms, containerization, IaC, CI/CD, monitoring, and cloud security.
AWS, Azure, GCP, Docker, Kubernetes, Terraform, CloudFormation, Prometheus, Grafana, CI/CD
1w
Save
Mark Applied
Hide
Software Engineer (Hybrid) - 20509
Fort Meade, Maryland, United States
$115k-$145k/yr HybridFull Time
5+ YOE5+ years software engineering experience with modern Java frameworks, RESTful APIs, microservices, Git/Nexus/Maven, Linux, and security-cleared U.S. citizenship; experience with AI agent workflows preferred.
Java, Spring, Guava, RESTful, Microservices, Git, Nexus, Maven, Linux, AWS, Azure, Elasticsearch, MongoDB, Solr, JIRA, Confluence, Github Enterprise, Claude Code, Gemini
2w
Save
Mark Applied
Hide
Senior Software Engineer (MD, Hanover)
Hanover, Maryland, United States
OnsiteFull Time
10+ YOE10+ years DoD software engineering experience, Master’s degree, active Top Secret/SCI clearance, strong skills in secure software design, testing, deployment, and collaboration with system architects and stakeholders.
2w
Save
Mark Applied
Hide
Senior Software Engineer — Secure Mission Systems
Laurel, Maryland, United States
HybridFull Time
10+ YOEBachelor's degree,10+ years software engineering,active DoD Secret clearance,CI/CD,Kubernetes,OpenShift,GitLab,security scanning tools,AI integration,automated testing,secure SDLC.
GitLab, OpenShift, Kubernetes, Fortify, JFrog Xray, OWASP ZAP, Artifactory, Jira, Confluence, Slack
1mo
Save
Mark Applied
Hide
Radio Services Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
10+ YOEBachelor's in CS/SE (or equivalent experience), 10+ years software engineering with 3+ years on DoD communications, proficiency in C++, Java, or Python, secure coding and networking protocols knowledge, active DoD Secret clearance.
C++, Java, Python, VENOM, Agile, DevSecOps
2w
Save
Mark Applied
Hide
Principal Software Engineer
Laurel, Maryland, United States
$200k-$280k/yr OnsiteFull Time
20+ YOEActive or re-instattable TS/SCI with Polygraph, U.S. citizenship, 20+ years professional experience (BS +20 or equivalent), strong Java experience, security-cleared software development expertise.
Java, Quarkus, PrimeFaces, SQL, PostgreSQL, Elasticsearch