252 security software engineer jobs at 96 companies in Aberdeen, MD

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Security Software Engineer (MD, Hanover)
Hanover, Maryland, United States
OnsiteFull Time
Eccalon
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
1w
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Senior Embedded Security Software Engineer
Linthicum or Fort Meade
$129k-$193k/yr OnsiteFull Time
Two Six Technologies
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.
Ghidra, Python, QEMU, IDA Pro, Binary Ninja, C, C++, Linux, Ghidra API, Binary Ninja API, JTAG, SWD, SDR
1mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions
Systems Products and Solutions: Provides aviation and ground sustainment services for defense agencies.
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
1mo
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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
2mo
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Software Engineer 4
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
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
4d
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Software Engineer
Baltimore, Maryland, United States
$100k/yr HybridFull Time
Internet Testing Systems
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.
C#, SQL Server, CI/CD, Agile
2mo
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Sr Software Developer
Annapolis Junction or Columbia
$174k-$220k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
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
4w
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Software Engineer IV
Hanover, Maryland, United States
$138k-$208k/yr OnsiteFull Time
Oceaneering
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.
C, C++, Linux, UDP, TCP, SPI, I2C, CAN, RTI, MQTT, ProtoBuf, Jira, GitHub, Artifactory
1mo
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Software Engineer - PM C2T
Aberdeen, Maryland, United States
$130k-$170k/yr OnsiteFull Time
JANUS Research Group
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.
C++, Java, Python, VENOM
1mo
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Expert Software Engineer
Herndon or Columbia
HybridFull Time
Freedom Technology Solutions Group
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.
Angular, JavaScript, TypeScript, CSS, HTML, Node.js, NPM, Linux, Bash, Jasmine, Selenium, Cypress, Python, Flask, Django, Tableau, Pandas, D3.js, PDF.js
2d
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
Impruvon Health
Impruvon Health: Software and hardware for medication management in care settings.
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
1mo
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Application Security Engineer
Hanover, Maryland, United States
$166k-$295k/yr OnsiteFull Time
ManTech
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.
C, C++, C#, Java, Rust, Ada, x86_64, PowerPC, MIPS, ASM, Klocwork, CodeSonar, Fortify, CodePeer, IDA Pro, Fortran-Lint
2mo
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Software/Data Engineer
Laurel, Maryland, United States
$176k-$282k/yr OnsiteFull Time
Peraton
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.
OpenStack, Linux, Python, PowerShell, Cloud Security
1w
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PKI Software Engineer
Fort Meade, Maryland, United States
$140k-$170k/yr HybridFull Time
August Schell
August Schell: Cybersecurity and data engineering services for federal agencies.
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
1mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
Hologic
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
1mo
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Software Engineer III
Annapolis Junction, Maryland, United States
$215k-$291k/yr OnsiteFull Time
General Dynamics Information Technology
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
3mo
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Lead Software Engineer
Plano or Wilmington
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience; microservices with Python, Docker, Kubernetes; SDLC, CI/CD, security; mentoring; AWS and ML/AI tooling.
Python, Docker, Jenkins, Python-Streamlit, SQL, JSON, Kubernetes, AWS EMR, AWS EC2, AWS RDBMS, PostgreSQL, Oracle, Apache Spark, Pyspark, TensorFlow, GitHub Copilot
1w
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(9037) Software Engineer
Columbia, Maryland, United States
$138k-$180k/yr HybridFull Time
IAMUS Consulting
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.
Java, Spring, Guava, Claude Code, Antigravity, Gemini, NiFi, Kafka, AWS Infrastructure, K8's, Azure, Elasticsearch, Postgres, Trino, Python, Flask, Vue, Docker, CICD, JIRA, Confluence, Github Enterprise, Git, Nexus, Maven, Linux
1mo
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Software Engineer (Multiple Levels)
Fort Meade or Annapolis Junction
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
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
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Software Engineer
Columbia, Maryland, United States
$109k-$140k/yr HybridFull Time
Sealing Technologies
Sealing TechnologiesNYSE: PSN: Provides defensive cybersecurity hardware and edge computing solutions.
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.
Ansible, ESXi, Rocky, Oracle, GitLab CI, GitHub Actions, GitLab, GitHub, KubeVirt, Python, Splunk, Security Onion, JIRA, Kubernetes, Linux