200 security software engineer jobs at 82 companies in Hanover, PA

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
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
6d
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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
1mo
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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
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
4d
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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
12h
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Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
Strong programming skills, SDLC experience, security-focused software development; Top Secret/SCI with Full Scope Polygraph required; familiarity with DevOps, CI/CD, cloud, and compliance frameworks.
Java, C++, C#, Python, JavaScript, Go, Ruby, Scala, Spring, Angular, React, Node.js, Bootstrap, .NET, Eclipse, IntelliJ IDEA, Microsoft Visual Studio, Microsoft VS Code, PyCharm, NetBeans, Linux, Unix, Windows, macOS, Oracle, MySQL, PostgreSQL, MongoDB, Microsoft SQL Server, Git, GitHub, GitLab, Bitbucket, SVN, Maven, Gradle, Jenkins, Bamboo, Ant, Docker, Kubernetes, OpenShift, AWS, Azure, Google Cloud Platform (GCP), JIRA, Confluence, ServiceNow, Bash, PowerShell, NIST SP 800-53, DoD STIGs, RMF, ICD 503
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
3w
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Software Engineer
Frederick or Baltimore or Washington
$131k-$177k/yr HybridFull Time
WGS Systems
WGS Systems: Develops intelligence and surveillance systems for military and law enforcement.
3+ YOE3+ years embedded software experience with C/C++; experience with embedded Linux/Yocto/OpenWRT, RTOS (FreeRTOS, TI-RTOS), device drivers, board bring-up, system modeling; U.S. citizenship and ability to obtain government security clearance required.
C/C++, embedded Linux, Ubuntu, Arch, Yocto, OpenWRT, QSDK, TI-RTOS, FreeRTOS, VX Works, MS Windows, POSIX, javascript, TypeScript
3d
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Software Engineer (Hybrid) - 29301
Columbia, Maryland, United States
$138k-$195k/yr HybridFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
9+ YOEPython backend engineer with applied AI and Kubernetes experience; must obtain U.S. security clearance and have extensive software engineering experience (typical minimum 9 years). Proficiency with LLM APIs, API design, Git/Docker, and Linux required.
Kubernetes, OpenAI, Anthropic, Git, Docker, Linux, LangChain, LlamaIndex, CrewAI, AutoGen, NiFi, Kafka, AWS, Azure, Postgres, MySQL, Java, Spring
2w
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Software Developer
Annapolis Junction, Maryland, United States
$64k-$128k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
1+ YOEBachelor's in CS/CE or related, 1+ years programming experience in C/C++ and Python, strong OS and network internals knowledge, Top Secret/SCI + Full Scope Poly, familiarity with binary analysis tools and software security.
Python, C, C++, Java, Windows, Linux, IDA Pro, Ghidra, ASLR, DEP, ARM, RISC, PPC
1mo
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Software Engineer 3
Annapolis Junction, Maryland, United States
$86-$136/hr OnsiteFull Time
Wyetech
Wyetech: Provides professional engineering services for government and commercial sectors.
20+ YOEActive US citizenship and position-appropriate security clearance (TS/SCI) required, 20 years SWE experience, Bachelor’s in Computer Science (or equivalent), strong software design, testing, and team leadership skills.
Python, Huggingface transformer models, PyTorch, Docker, Kubernetesevaluation, SLURM, SQL
2mo
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Application Security Engineer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
D&H Distributing
D&H Distributing: Distributes technology products and IT solutions to resellers.
3+ YOEDesigns and implements secure software practices; assesses application security; supports SDLC; proficient in at least one programming language; familiar with OWASP Top 10; experience with security assessments and vendor security.
OWASP, OAUTH, ADFS, PowerShell, Python, Perl, Java, .NET, C#, SIEM, Security
1mo
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Embedded Software Engineer - Cybersecurity
Carlsbad or Germantown
$141k-$222k/yr HybridFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
8+ YOE8+ years software engineering; strong C/C++ on Linux; encryption; OpenSSL; Linux security; Bash/Python/Lua; Agile/Perforce/Git; mentor; BS in CS/Engineering; hybrid Carlsbad; Active Secret Clearance.
C, C++, OpenSSL, Linux, Bash, Python, Lua, Perforce, Git, CI/CD, Agile