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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java/J2EE Software Engineer - **Company:** Open Systems Inc. - **Location:** Herndon, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Apache ActiveMQ, Agile Methodology, Amazon Web Services, Application Integration Architecture, Software Applications, Systems Engineering, Confluence, JIRA, Unit Testing, Command-Line Interface, Cyber Security, Continuous Integration, Data Integration, Linux, DevOps, Programming Tools, Middleware, Perl (Programming Language), Java Platform Enterprise Edition (J2EE), Gradle, Groovy, Spring Framework, Python (Programming Language), Network Security, MongoDB, Node.Js, OpenShift, Public Key Infrastructure, Scrum Methodology, E2e Testing, Mockito, Ansible, Swagger, Scala (Programming Language), Software Engineering, SQL Databases, Systems Architecture, Openapi, Spring Cloud, Spring-boot, Kubernetes Helm Charts, Backend, Gitlab, Git, Spring Data, Containerization, Kubernetes, Apache Kafka, Non-relational Database, Apache Nifi, Bitbucket, Api Design, Restful APIs, Docker, Jenkins, Microservices - **Published:** June 15, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8976066/javaj2ee-software-engineer ## About the Role * CLEARANCE: Active TS/SCI w/CI Poly * A software developer with experience in Java development utilizing various libraries such as SpringBoot, Mockito, Lombok, OpenAPI (Swagger) and other similar libraries developing RESTFul services. The software application is managed through Git and built using gradle. Other third-party applications that are utilized is Kafka, MongoDB, ActiveMQ and/or NiFi. Applications are containerized and deployed to a Kubernetes cluster using Helm Charts. Experience with Amazon Web Services (AWS) is also desired. * Experience with Java/J2EE object-oriented programming language * Experience with Spring Boot or Spring Framework * Experience in working with microservices and containerization technologies, including Docker, Bitbucket, Kubernetes, or OpenShift * Experience with integration and development tools, including AWS, Docker, Bitbucket, Jenkins * Experience with supporting systems engineering efforts in system design, solution engineering, and software development * Experience with Linux OS and command line interface Software Engineer, Mid Area of Focus Skills - Software Engineer job family aligned skills plus: Java, JavaScript, Git, SQL, Python, Server Side Development, Server Side Software, Middleware, Integration, API Development, Operating Systems, Core Application Systems, Data Integration, Application Integrations, Docker, Node.js, Groovy, Perl Programming, Scala, Spring Cloud, Spring Core, Spring-Boot, Spring Data You Have: * 2+ years of experience with Java * 1+ years of experience in working with microservices and containerization technologies, including Docker and Kubernetes * Experience with backend frameworks, such as Spring Framework or Spring Boot * Experience with API development, including REST architectural style * Experience with Linux OS and Command Line Interface * Top Secret clearance * HS diploma or GED * Ability to obtain a DoD 8570 certification, including Security+ or CISSP, within 6 months of start date Nice If You Have: * Experience with network security, including access and authorization for PKI and chain trusting * Experience with writing unit tests and E2E testing * Knowledge of Apache NiFi and Kafka * Knowledge of JIRA, Confluence, Git, and GitLab * Ability to investigate root causes and provide corrective actions * TS/SCI clearance with a CI Polygraph * DoD 8570 certification, including Security+ or CISSP, * 5+ years of experience with Java * 3+ years of experience in working with microservices and containerization technologies, including Docker and Kubernetes * Experience with backend frameworks, such as Spring Framework or Spring Boot * Experience with API development, including REST architectural style * Experience with integration and development tools, including AWS, Bitbucket, or Jenkins * Experience with supporting systems engineering efforts in system design, solution engineering, and software development * Experience with Linux OS and Command Line Interface * Top Secret clearance * HS diploma or GED * Ability to obtain a DoD 8570 Compliant Certification, including Security+ or CISSP, within 6 months of start date Nice If You Have: * Experience with Open Systems Architecture design principles * Experience with DevOps technologies * Experience with CI/CD technologies, including Ansible, Jenkins, and GIT * Experience with Agile development or Scrum * Knowledge of non-relational databases, including MongoDB * Knowledge of Apache NiFi and Kafka * Ability to work in a fast-paced and collaborative team environment * Possession of excellent verbal and written communication skills * TS/SCI clearance with a CI Polygraph * Security+ CE, SSCP, CCNA-Security, or GSEC Certification ## Related Videos - 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