252 security software engineer jobs at 96 companies in Aberdeen, MD
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Eccalon: High-tech cybersecurity and AI solutions for government and industry.
3+ YOEBachelor's or equivalent experience, 3+ years software engineering with security focus; proficiency in JavaScript/TypeScript, Python, Go, or C#; experience with SAST/DAST, secure coding, NIST/CMMC/FedRAMP, and AWS/Azure security services.
JavaScript, TypeScript, Python, Go, C#, CI/CD, SAST, DAST, OWASP Top 10, DoD STIGs, IAM, Cognito, Microsoft Azure AD, SSO, SAML, OIDC, Security Hub, Microsoft Defender, Microsoft Sentinel, WAF, IaC, Docker, ECS, Prisma, Checkov, Snyk, Aqua, AWS, AWS GovCloud (US), Azure GCC High
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
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.
RealmOne: Provides advanced technology services for national security agencies.
12+ YOESenior software engineer with 12+ years in software engineering, Java 17+, Spring Boot, REST, MongoDB; solid OO/SOLID; leads features and mentors peers; active security clearance with polygraph.
Java, Spring Boot, MongoDB, REST, Object-Oriented Design
Internet Testing Systems: Provides secure software for managing and delivering online assessments.
5+ YOEBachelor's in computer science or related,5+ years software engineering experience,proficiency in C# and SQL Server,experience with CI/CD and Agile,security best practices,pass background and credit check.
OceaneeringNYSE: OII: Global provider of engineered services for offshore energy industries.
8+ YOEBS in STEM (or commensurate experience), 8+ years software engineering, experience with C/C++, strong written/oral communication, ability to obtain DoD security clearance, US citizenship required.
JANUS Research Group: Provides specialized engineering and technical services for defense organizations.
10+ YOE10+ years software engineering experience, active Secret clearance, bachelor’s in CS/Software Engineering or equivalent, proficiency in C++, Java, or Python, secure coding and networking knowledge, strong communication skills.
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
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.
ManTech: Provides technology solutions for defense and intelligence agencies.
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.
Peraton: National security and mission-critical government technology services provider.
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.
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
6+ YOE6+ years software engineering experience building cloud and edge systems; experience in regulated environments, secure development practices, QMS familiarity, AI integration, Agile and version control proficiency; degree in CS/SE/STEM.
Microsoft Azure, Google Cloud Platform (GCP), Agile
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
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
IAMUS Consulting: Provider of specialized cybersecurity and IT engineering services.
5+ YOE5+ years Java software engineering experience with modern Java frameworks, enterprise APIs, RESTful services, microservices, OOP, Linux, Git/Maven/Nexus, and experience integrating or guiding AI agent workflows; U.S. citizenship and ability to obtain security clearance required.
4+ YOEU.S. citizen with 4+ years experience or equivalent; bachelor's in CS/Engineering preferred; ability to obtain Secret clearance; experience with GitLab, unit/functional testing, security principles, and CI/CD.