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965 security software engineer jobs at 356 companies in Frederick, 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
Help us #BeatIndeed & #BeatLinkedIn
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
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1mo
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AI Security Software Engineer
Pittsburgh or Arlington
OnsiteFull Time
Carnegie Mellon University
Carnegie Mellon University: Global research university providing higher education and conducting scientific research.
5+ YOEBS/MS/PhD in CS, ML, cybersecurity, or related field with substantial professional experience; strong software engineering and ML skills; willingness to travel; security clearance requirement.
Containerization, Microservices, Machine Learning
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1mo
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Senior AI Security Software Engineer
Pittsburgh or Arlington
HybridFull Time
Software Engineering Institute
Software Engineering Institute: Developing software and AI engineering for national security.
10+ YOEBS/MS/PhD in CS/ML/cybersecurity/statistics with years of experience; software engineering, containerization/microservices; travel; need DoD DoW security clearance.
Docker, Kubernetes, Microservices, Python, TensorFlow, PyTorch
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3w
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Software Security Engineer- Cloud/GovCloud (Top Secret cleared)
Reston or United States
$81k-$139k/yr RemoteFull Time
ICF
ICFNASDAQ: ICFI: Provides strategic consulting and technology services to global organizations.
2+ YOEActive Top Secret clearance, 2+ years application security or secure software development experience, secure code review and vulnerability assessment experience, knowledge of cloud (AWS) security and federal/DoD requirements.
AWS, AWS GovCloud, SAST, DAST, SCA, OWASP, NIST, DoD STIGs, DevSecOps
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2mo
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(USA) Principal, Software Engineer, Information Security
Bentonville or Sunnyvale or Bellevue or Herndon
$110k-$264k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
10+ YOEExpertise in enterprise Active Directory engineering, automation-first infrastructure, IaC, AD security and high-availability; PowerShell/Python/Go scripting; VMware/Hyper-V virtualization; strong communication and leadership.
Active Directory, LDAP, Kerberos, VMware, Hyper-V, PowerShell, Python, Go
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6d
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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
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2w
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Software Engineer
McLean, Virginia, United States
$113k-$257k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOESecret clearance required; 7+ years in software/DevSecOps/platform engineering; experience with GitHub Enterprise, GitHub Actions, Python or Go, Terraform/Pulumi, SBOM standards, and secure software supply chain frameworks.
GitHub, GitHub Actions, GitHub Enterprise, GitHub Advanced Security, GitHub CLI, Terraform, Pulumi, Python, Go, REST, GraphQL, Sigstore, Cosign, SBOM, SPDX, CycloneDX, Dependabot, SLSA Level 3, SSDF, NIST 800-218, OPA, Kyverno, OpenSSF, SOC 2, FedRAMP, CMMC
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3w
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Software Engineer III, Security/Privacy, Threat Intelligence
New York City or Austin or Boulder or Reston
$147k-$211k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
2+ YOEBachelor's degree or equivalent experience; 2+ years software development and data structures/algorithms; 2+ years testing/maintaining software; 1+ year building privacy/security software; experience with software design and data storage.
SQL, NoSQL, Google Cloud
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1mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
4+ YOE4-7 years’ software engineering with cloud experience; Java and Python; AWS services; Linux; Docker; Elasticsearch/OpenSearch; SQL; secure web apps.
Java, Python, AWS, CDK, ElasticSearch/OpenSearch, Docker, Linux, SQL, JSON, XML, Lambda, S3, EC2, EventBridge, SQS, SNS, IAM, DynamoDB
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2mo
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Cybersecurity Software Engineer - Remote
Washington, District of Columbia, United States
$140k-$180k/yr RemoteFull Time
Concepts Beyond
Concepts Beyond: Provides systems engineering and aviation expertise for air traffic management.
10+ YOE10+ years software engineering and cybersecurity with leadership; PKI, IAM, cryptography (PQC), confidential computing, zero trust, and cloud security; AWS/Azure security.
Java, Bouncy Castle, ACME, ServiceNow, DocuSign, Keyfactor, Ascertia, AWS, Azure, PKI, IAM, Confidential Computing, Zero Trust, Cloud Security, Post-Quantum Cryptography, PQC
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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
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4w
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Software Engineer
Rockville, Maryland, United States
$118k-$150k/yr HybridFull Time
Skyward IT Solutions
Skyward IT Solutions: Delivering digital modernization and AI solutions for federal agencies.
3+ YOE3+ years software engineering experience with Python, CI/CD and DevOps skills, test automation, containerization (Docker/Kubernetes), REST APIs, and ability to obtain a Public Trust security clearance.
Python, CI/CD, Jenkins, Terraform, Ansible, Docker, Kubernetes, REST APIs, SonarQube, Snyk, NLP, LLM, Scrum, Lean, SAFe
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1mo
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Senior Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Redhorse
Redhorse: Delivering data insights and technology solutions to government agencies.
10+ YOEAbility to obtain government security clearance, 10+ years software engineering experience, mastery of modern software design and SDLC, strong troubleshooting and systems analysis skills.
CA-IDMS, Microsoft SQL Server, Oracle DBMS, C, C++, Java, Ruby on Rails, Visual Basic, SIMULA, IBM Rational Rose XDE, Apache Struts, HTML, JavaScript, LoadRunner
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3d
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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
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1mo
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Software Engineer III
Tysons Corner, Virginia, United States
OnsiteFull Time
Integral Federal
Integral Federal: Provides IT, cybersecurity, and digital transformation solutions for government agencies.
7+ YOEBachelor's in engineering; 7+ years software engineering; biometric systems and secure data handling experience; knowledge of encryption and information assurance; Secret security clearance.
Android, Biometrics, Encryption, DevOps, DevSecOps
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1w
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Software Engineer Senior (Security Clearance Needed)
Chantilly, Virginia, United States
$108k-$180k/yr OnsiteFull Time
GCI
GCI: Engineering and analytics solutions for national security missions.
5+ YOE5+ years software engineering experience; hands-on with Python or JavaScript, REST APIs, Hadoop/Map Reduce/Spark, build automation (Maven/Jenkins), Linux/Windows, and task trackers (JIRA/Redmine). TS/SCI clearance required.
Python, JavaScript, JIRA, Redmine, REST, Hadoop, Map Reduce, Spark, Maven, Jenkins, Linux, Windows
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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
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1w
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Software Engineer
Ashburn, Virginia, United States
$85k-$108k/yr HybridFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
3+ YOE5+ years software engineering experience with C++ and large codebases; experience with C#/.NET desktop apps, Linux/Docker builds, gRPC/protobuf, CI/CD, and debugging across managed/native boundaries; ability to obtain DOD security clearance.
C++, C#, .NET Framework, Microsoft .NET Framework, WPF, Visual Studio 2022, Microsoft MSBuild, NuGet, Conan, Docker, Kubernetes, FFmpeg, libav, gRPC, protobuf, Microsoft PowerShell, Makefiles, NSIS, CUDA, VAAPI, QSV, Jetson, ARM64, Linux
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1w
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Senior AI Security Engineer
McLean, Virginia, United States
OnsiteFull Time
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
4+ YOE4+ years software engineering experience with LLMs, Python, cloud AI deployment, and security-first engineering; experience with multi-agent systems, vector DBs, and interfacing with security platforms.
Python, LangChain, LlamaIndex, AutoGen, CrewAI, Semantic Kernel, Pinecone, Qdrant, Milvus, Weaviate, Splunk, CrowdStrike, Microsoft Sentinel, Palo Alto XSOAR, Kubernetes, EKS, AKS, AWS, Google Cloud, Azure, Llama 3, Mistral, LoRA, QLoRA
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1mo
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Senior Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software and systems to rapidly deliver mission-critical capabilities to U.S. government customers.
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
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