Open Systems Technologies Corporation ยท 3 months ago
Java/J2EE Software Engineer
Herndon, VA
Full-time
Onsite
Mid, Senior Level
2+ years expOpen Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. The company is seeking a Back-End Software Engineer to support a large government-end client, focusing on software development, systems integration, and enterprise security.
ConsultingInformation TechnologySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Support a large government-end client
Work with Java/J2EE object-oriented programming language
Utilize Spring Boot or Spring Framework
Engage with microservices and containerization technologies, including Docker, Bitbucket, Kubernetes, or OpenShift
Support systems engineering efforts in system design, solution engineering, and software development
Work with integration and development tools, including AWS, Docker, Bitbucket, Jenkins
Utilize Linux OS and command line interface
Qualification
Required
CLEARANCE: Active TS/SCI w/CI Poly
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
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
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
Preferred
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
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
Benefits
3 weeks paid time off
11 Federal Holidays
Medical/dental coverage
STD
LTD
Life Insurance
AD&D
401k with up to 4% match
End-of-year profit sharing
Company
Open Systems Technologies Corporation
Open Systems Technologies (OST) Corporation is a technology solutions company that has been providing customized, high-end security solutions to large-scale enterprises since 1996.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Thomas R. Truitt
Owner / Founder / Servant-of-All
Recent News
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2025-09-25
2025-09-23
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