Senior Java Developer — Secure Gov Upgrades Top Secret/SCI

Base-2 Solutions, LLC.; Annapolis (MD); On-site; USD 110,000 - 145,000; Full time

Job summary

Base-2 Solutions, LLC. is seeking a Senior Java Developer to modernize a government information system. The role focuses on enterprise Java development, Solr upgrades, and secure coding in a Windows VMware environment, with Oracle 19c and SAP BI integration.

The engineer will collaborate with security, infrastructure, and business teams to minimize disruption during upgrades and document procedures and configurations for ongoing maintenance.

Qualifications

• Expertise in enterprise Java application development on Windows VMware.
• Proficiency in Python.
• Experience with Solr and ZooKeeper, including upgrades and migrations.
• Experience with Tomcat and Directory Studio.
• Experience with Oracle 19c relational databases.
• Experience with SAP BI reporting frameworks.
• Experience with secure coding practices for government compliance.

Responsibilities

• Plan and execute technology stack upgrades for enterprise Java applications in secure government environments.
• Develop and maintain Java/Python components on Windows-based VMware infrastructure.
• Modernize legacy application code to current standards and best practices.
• Implement secure coding practices in compliance with government security requirements.
• Upgrade Apache Solr clusters with ZooKeeper coordination.
• Migrate and optimize Solr index data during version upgrades.
• Manage Apache Tomcat application server configurations and deployments.
• Integrate applications with Oracle 19c database systems.
• Work with Apache Directory Studio for directory services integration.
• Support SAP BI reporting framework integrations.
• Collaborate with security, infrastructure, and business stakeholder teams.
• Ensure minimal operational disruption during system upgrades.
• Document technical designs, upgrade procedures, and system configurations.
• Participate in code reviews and knowledge-sharing sessions.

Skills

Enterprise Java

Python

Apache Solr with ZooKeeper

Apache Tomcat

Apache Directory Studio

Oracle 19c

SAP BI reporting

Secure coding practices

Solr index migration

Windows VMware

PrimeFaces (optional)

Education

Bachelor's degree + 9 years

Master's degree + 7 years

No degree + 13+ years

Tools

VMware

Windows

Oracle 19c

Solr tooling

Job description

Base-2 Solutions, LLC. is seeking a Senior Java Developer to modernize a government information system. The role focuses on enterprise Java development, Solr upgrades, and secure coding in a Windows VMware environment, with Oracle 19c and SAP BI integration.

The engineer will collaborate with security, infrastructure, and business teams to minimize disruption during upgrades and document procedures and configurations for ongoing maintenance.