Java/J2EE Software Engineer Security Clearance
Job in
Herndon, Fairfax County, Virginia, 20170, USA
Listed on 2026-06-01
Listing for:
Open Systems Technologies Corporation
Full Time
position Listed on 2026-06-01
Job specializations:
-
Software Development
Java Developer, Cloud Engineer - Software, DevOps, Software Engineer
Job Description & How to Apply Below
Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilities include supplying federal government entities and private businesses with software development, scientific and engineering technical assistance, systems integration, and enterprise security. Since its founding in 1996, OST has been committed to delivering high-quality, best-in-class results that bring added value to our clients while investing in our employees' futures by providing exciting projects to work on, and robust benefits to include technical training and certifications, relocation assistance and a 401K match with immediate vesting.
Open Systems Technologies is seeking a Back-End Software Engineer to support a large government-end client.
Required Qualifications:
* CLEARANCE:
Active TS/SCI w/CI Poly
* A software developer with experience in Java development utilizing various libraries such as Spring Boot, 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, Mongo
DB, Active
MQ 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 Open Shift
* 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 Git Lab
* Ability to investigate root causes and provide corrective actions
* TS/SCI clearance with a CI Polygraph
* DoD 8570 certification, including Security+ or CISSP Software Engineer, Senior 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:
* 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 Dev Ops 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 BENEFITS OST is an…
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
Search for further Jobs Here:
×