102 security software engineer jobs at 62 companies in Cecilton, 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
5d
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Senior Embedded Security Software Engineer
Maryland or Herndon or Linthicum
$130k-$190k/yr OnsiteFull Time
Requires low-level C/C++ development, Python scripting in Linux, firmware reverse engineering, control-flow analysis, and embedded binary rehosting with QEMU. Top Secret/SCI clearance required for Herndon; polygraph required in Maryland.
C, C++, Python, Linux, Ghidra, IDA Pro, Binary Ninja, QEMU, Ghidra API, Binary Ninja API, JTAG, SWD, Software Defined Radio (SDR), Real-Time Operating Systems (RTOS)
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...
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
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
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
1w
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Software Engineer III - Databricks
Wilmington, Delaware, United States
OnsiteFull Time
3+ YOE3+ years software engineering experience; proficiency in Python (and/or Java); Databricks, cloud ML pipelines, MLOps, CI/CD, and secure engineering practices; strong communication and system design skills.
Databricks, Delta Lake, Unity Catalog, Workflows, Repos, SQL Warehouses, Python, Java, PySpark, Kafka, Terraform, Kubernetes, Oracle, Cassandra, ECS, EMR, Lambda, EC2, SageMaker, CI/CD, ERWIN, TensorFlow, pandas, NumPy
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
Hanover, Maryland, United States
$119k-$178k/yr OnsiteFull Time
5+ YOEBS in CS/CE/Math/EE (or equivalent), 5+ years software engineering, experience with REACT/C/C++/C#, Linux, Jira, Git; ability to obtain DoD security clearance; US citizenship; strong written/oral communication and hardware test proficiency.
REACT, C, C++, C#, Linux OS, Jira, Git, oscilloscopes, multimeters
1mo
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Software Engineer
Frederick or Baltimore or Washington
$131k-$177k/yr HybridFull Time
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
2w
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Senior Software Engineer (MD, Hanover)
Hanover, Maryland, United States
OnsiteFull Time
10+ YOE10+ years DoD software engineering experience, Master’s degree, active Top Secret/SCI clearance, strong skills in secure software design, testing, deployment, and collaboration with system architects and stakeholders.
1mo
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Radio Services Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
10+ YOEBachelor's in CS/SE (or equivalent experience), 10+ years software engineering with 3+ years on DoD communications, proficiency in C++, Java, or Python, secure coding and networking protocols knowledge, active DoD Secret clearance.
C++, Java, Python, VENOM, Agile, DevSecOps
2mo
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Experienced Software Engineer
Hazelwood or Plano or Oklahoma City or Ridley Park
$127k-$171k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years full-stack software development, 1+ year cloud experience (AWS/Azure/GCP), experience with SDLC and architecture frameworks, and ability to obtain U.S. security clearance (U.S. citizenship required).
AWS, Azure, GCP, CodeVue
3mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
1w
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Senior Software Engineer
Berwyn, Pennsylvania, United States
HybridFull Time
7+ YOE7+ years backend engineering with Java/Python, 2+ years hands-on AI/ML, experience designing distributed transactional systems in regulated fintech, security/observability knowledge, and production incident handling.
Java, Python, Spring Boot, SQL, Kafka, Kubernetes, Docker, LangGraph, RAG, Vector Stores
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