285 security software engineer jobs at 118 companies in Centreville, MD

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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+ 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
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
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
2w
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Senior Embedded Security Software Engineer
Maryland or Herndon or Linthicum
$130k-$190k/yr OnsiteFull Time
GrammaTech
GrammaTech: A software technology developing tools for embedded systems, reverse engineering, and cybersecurity.
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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Software Engineer
Annapolis Junction, Maryland, United States
$136k-$252k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
14+ YOEBachelor's degree in engineering, computer science, or related field, or four years' equivalent experience; 14 years' software engineering experience; Linux, programming, project tools, and active polygraph security clearance required.
Linux, Python, C++, Java, JavaScript, Jira, Confluence, Software-Defined Radio (SDR)
3w
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Software Engineer 3
Annapolis Junction, Maryland, United States
$188k-$235k/yr OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
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
3mo
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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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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
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
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
1w
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Senior Software Engineer
Laurel, Maryland, United States
$105k-$290k/yr HybridFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBachelor's degree in a related technical field, 5+ years of software engineering experience, proficiency in a modern language or stack, containerization, Kubernetes, CI/CD, APIs, Git, and secure classified environments.
Java, Spring Boot, Python, C++, Docker, Podman, Kubernetes, Helm, Kustomize, GitLab CI, GitHub Actions, Jenkins, REST APIs, OpenAPI, Swagger, JSON, Protobuf, Git, Kafka, RabbitMQ, AWS, Azure, Google Cloud
3w
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(9300) Software Engineer
Columbia, Maryland, United States
$139k-$180k/yr HybridFull Time
IAMUS Consulting
IAMUS Consulting: Provider of specialized cybersecurity and IT engineering services.
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
3mo
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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
1mo
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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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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
2mo
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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
1mo
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Software Engineer Kubernetes
Columbia, Maryland, United States
HybridFull Time
Northstrat
Northstrat: Provides IT and engineering solutions for US government agencies.
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
3d
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Cloud Software Engineer
Annapolis Junction or Maryland
$190k-$240k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
8+ YOERequires TS/SCI clearance with polygraph, bachelor's degree or equivalent experience, 8+ years software engineering, 6+ years high-level language development, and object-oriented system experience.
Java, C, C++, JavaScript, Microsoft Windows, UNIX, Linux, CentOS, Hadoop, Object Oriented Design, FOSS, COTS, Front End User Interface (UI) Development, Middle-Tier Development, Back-End Development, Full Stack Development, Agile Software Development Practices, Application Programming Interface (API), Artificial Intelligence, Attribute Based Access Control (ABAC), Automated Testing, Cloud Analytics, Cloud-based System Administration, Containerization, Continuous Integration / Continuous Development (CI/CD), Data Modeling, DevOps, Distributed Web Applications, Firewall Administration, Infrastructure as a Service (IaaS), Kanban Software Development Practices, Large Language Models, Machine Learning, Microservices, Monitoring and Alerting, Network Engineering, Recommender Services, Relational Databases, Role Based Access Control (RBAC), Scripting, Service Oriented Architecture (SOA), Systems Engineering, Technical Documentation, User Accessibility, Virtual Machines, Web Services, Accumulo, ActiveMQ, Akka, Amazon Web Services (AWS), Angular, Ansible, Apache, Apache NiFi, Apollo, Artemis, ASP.NET, Atlassian, Backbone.js, Bash, Bootstrap, Cassandra, CoffeeScript, CSS, Cypress, Docker, Docker Compose, Docker Swarm, Drools, Eclipse, Elasticsearch, ExtJS, Flink, Git, GitLab, Gradle, Grafana, GWT, HAProxy, Hazelcast, Heron, Hibernate, HTML, IDE, Firebug, JBlocks, Jenkins, Jetty, Jira, Confluence, JMS, jQuery, JSON, Kafka, KeyDB, Kibana, Kubernetes, Logstash, Maven, MongoDB, MBatis, MySQL, nginx, Node.js, OpenSSL, PKI Certificate Administration, Percona, Postgres, Prometheus, Pulsar, Puppet, Python, Rancher, React.js, Redis, RESTful Web Services, SaltStack, Scala, Selenium, SOAP Web Services, Splunk, Spring, Spring Boot, Spring Cloud, Spring MVC/Beans, SQL, Squirrel, Storm, Subversion, Swagger, Sybase, Terraform, Terragrunt, Tomcat, TypeScript, Vue.js, Web Security, XML, ZooKeeper
2mo
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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
1mo
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Software Engineer III
Hanover, Maryland, United States
$119k-$178k/yr OnsiteFull Time
Oceaneering
OceaneeringNYSE: OII: Global provider of engineered services for offshore energy industries.
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
1w
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Software Engineer (Hybrid) - 29810
Columbia, Maryland, United States
$138k-$195k/yr HybridFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
9+ YOERequires 9 years of software engineering experience, Java, enterprise APIs, REST, microservices, OOP, Linux, configuration tools, technical leadership, and Security+ compliance within 60 days.
Java, Spring, Guava, Claude Code, Gemini, Linux, Git, Nexus, Maven, AWS, Azure, Elasticsearch, MongoDB, Solr, JIRA, Confluence, GitHub Enterprise