Zachary Piper Solutions is seeking an experienced to support the modernization of a mission-critical government information system. This role focuses on upgrading and maintaining enterprise applications, modernizing legacy software, integrating complex technology stacks, and supporting secure application deployments within highly regulated environments. The ideal candidate brings extensive Java development expertise, strong systems integration experience, and a background supporting large-scale modernization efforts.

• Hybrid role supporting a mission-critical federal modernization program.
• 3 days on two days remote.

• Candidates may work from , while collaborating with engineering, infrastructure, security, and business stakeholders to modernize and sustain enterprise government systems.

• Lead modernization and upgrade efforts for enterprise Java applications supporting government mission systems.
• Develop, maintain, and enhance Java and Python applications across complex enterprise environments.
• Refactor and modernize legacy codebases to improve scalability, performance, maintainability, and security.
• Implement secure coding practices in accordance with government cybersecurity requirements.
• Upgrade, optimize, and maintain Apache Solr environments utilizing Zookeeper services.
• Perform Solr index migrations, version upgrades, and platform performance tuning.
• Deploy and maintain applications within Apache Tomcat environments.
• Integrate applications with Oracle 19c and other enterprise database platforms.
• Support directory service integrations using Apache Directory Studio.
• Design and maintain integrations with SAP Business Intelligence reporting frameworks.
• Troubleshoot application, infrastructure, and database issues across multiple environments.
• Collaborate with security, infrastructure, database, and business stakeholders to support successful deployments and upgrades.
• Develop technical documentation, architecture diagrams, deployment procedures, and system configuration guides.
• Participate in testing, code reviews, validation efforts, and production deployments.

• 13+ years of software development, systems engineering, or related experience.
• Expert-level experience with .
• Strong Python development experience.
• Experience supporting applications within .
• Extensive experience with , including administration, upgrades, index migration, and optimization.
• Experience administering and deploying applications using .
• Experience integrating applications with and other relational database systems.

• Experience supporting environments and reporting frameworks.

• Ability to obtain and maintain a .

• Active .
• Experience with UI framework.
• Familiarity with , CI/CD pipelines, and automated deployments.

• Pay Band: $170,000 - $200,000

• Comprehensive benefits package including medical, dental, vision, 401k, 20 days of paid time off, 11 federal holidays, and sick leave.

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