283 security software engineer jobs at 125 companies in Fallston, MD
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Security Software Engineer (MD, Hanover)
Hanover, Maryland, United States
OnsiteFull Time
3+ YOE3+ years software engineering with security focus, proficiency in one or more languages (JavaScript/TypeScript, Python, Go, C#), secure coding, SAST/DAST, familiarity with NIST/CMMC/FedRAMP and AWS/Azure security.
JavaScript, TypeScript, Python, Go, C#, AWS, Azure, Docker, ECS, Prisma, Checkov, Snyk, Aqua, SAST, DAST, OWASP, Cognito, Azure AD, Security Hub, Defender, Sentinel
2mo
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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
1mo
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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
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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
3d
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Software Engineer, Senior
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
10+ YOE10+ years in software, systems engineering, or cyber operations; production software delivery; programming; virtualization and containers; secure engineering; bachelor's degree or equivalent experience; ability to obtain Secret clearance.
Python, Go, Node.js, C#, Java, C++, VMware, KVM, Docker, Kubernetes, Microsoft Windows, CI/CD, API, DevSecOps, Raspberry Pi
1w
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Top Secret Security Software Engineer - DHA
Woodlawn or Durham
$111k-$158k/yr OnsiteFull Time
1+ YOESpecialized experience installing, enhancing, and maintaining mainframe security software, developing and maintaining security profiles, and troubleshooting mainframe security issues; competencies in attention to detail, customer service, information management, interpersonal skills, oral communication, problem solving, teamwork, and technical comp...
3d
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Software Engineer, Senior
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
10+ YOERequires 10+ years in software or systems engineering, production software development, programming, virtualization, containers, secure engineering, and hardware integration; bachelor's degree or 14+ years' experience; ability to obtain Secret clearance.
Python, Go, Node.js, C#, Java, C++, generative AI, large language model tools, VMware, KVM, Docker, Kubernetes, APIs, CI/CD, Raspberry Pi, retrieval-augmented generation, AI agents, computer vision, machine learning, DevSecOps
2mo
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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
1w
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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
1mo
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
2mo
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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
2w
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(9300) Software Engineer
Columbia, Maryland, United States
$139k-$180k/yr HybridFull Time
5+ YOE5+ years software engineering with strong Python backend, Kubernetes, applied LLM integration experience, security clearance eligibility, API and microservices design, automated testing, and cross-team collaboration.
Python, Kubernetes, Model Context Protocol (MCP), OpenAI, Anthropic, LangChain, LlamaIndex, CrewAI, AutoGen, Java, Spring, Git, CI/CD, Docker, Linux, NiFi, Kafka, AWS, Azure, Postgres, MySQL, Vector Databases
3w
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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
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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
1mo
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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
1mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
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
2mo
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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
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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
1d
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Lead Software Engineer Python
Wilmington or Jersey City or Seattle or Plano
$152k-$215k/yr OnsiteFull Time
5+ YOERequires formal software engineering training or certification, 5+ years of applied experience, advanced Python skills, cloud-native development, CI/CD, testing, secure coding, and AI-assisted engineering experience.
Python, AWS, Google Cloud Platform (GCP), Microsoft Azure, Terraform, Bedrock, Foundry, Vertex AI, SDK, REST, CI/CD
2w
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Software Engineer Kubernetes
Columbia, Maryland, United States
HybridFull Time
9+ YOE9+ years software engineering experience with strong Java skills, Kubernetes (helm, flux), microservices, REST/APIs, Linux, config tools (Git,Nexus,Maven); U.S. citizenship required; security clearance desired; tech lead/mentorship experience.
Kubernetes, helm, flux, Java, Spring, Guava, Linux, Git, Nexus, Maven, AWS, Azure, golang, python, gitlabs CI, Elasticsearch, MongoDB, Solr, JIRA, Confluence, Github Enterprise
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