SAP NS2 is seeking a Senior Java Developer to support, maintain, and enhance a suite of standalone cross-domain security applications within a highly secure, complex government-related environment. This role requires expertise in Java development, system configuration, and secure data transfer protocols to ensure the integrity and security of government systems.
Requirements
- Expert-level Java development, especially for backend, headless systems.
- Experience working with ASE (SAP Adaptive Server Enterprise), RepServer, and RepConnector.
- Strong skills in XML/XSD/JSON processing and transformation.
- Proven experience with Apache Log4j2 and audit-compliant logging standards.
- Familiarity with ANT for build and regression testing automation.
- Practical knowledge of Linux (RHEL 7/8) for scripting, hardening, and OS-level service management.
- Working experience with SSL/TLS configuration, certificates, trust stores, and key management.
Responsibilities
- Develop and maintain complex standalone Java applications (no GUI), with focus on backend logic, XML/JAR generation, and recursive validation logic.
- Support and extend applications interfacing with ASE, RepServer, RepConnector, and other secure backend systems.
- Configure and maintain logging (primarily Apache Log4j2) with emphasis on audit and security traceability.
- Manage deployment and integration pipelines using Maven, GIT (Bitbucket), and ANT for build/test automation.
- Handle secure data packaging using XML, XSDs, and JSON
- Configure and troubleshoot SSL/TLS communications and certificate management for secure data flow.
- Work across Linux environments (Red Hat 7/8) for service management, scripting (Bash/Shell), permissions, and patching based on vulnerability scans.
Other
- Must be a U.S. citizen.
- Candidates must be comfortable working independently, managing detailed system documentation, and coordinating across multiple environments and stakeholders.
- Excellent written and verbal communication skills.
- Highly organized with strong attention to detail.
- Self-directed, motivated, and able to work independently.
