Senior Java Engineer: Secure Gov Upgrades & Solr

Base-2 Solutions; Reston (VA); Hybrid; USD 110,000 - 170,000; Full time

Job summary

Base-2 Solutions is seeking a Senior Java Developer to modernize a critical government information system in Reston, VA. You will lead upgrades across the technology stack, including Solr with ZooKeeper, Tomcat, Directory Studio, and Oracle 19c integrations, while ensuring secure coding and minimal disruption.

You will collaborate with security, infrastructure, and business stakeholders to deliver robust, scalable solutions using Java and Python on Windows-based VMware infrastructure.

Qualifications

• Expertise in enterprise Java application development on Windows-based VMware infrastructure.
• Expertise with Python.
• Expertise with Apache Solr with ZooKeeper (including upgrading and migrating Solr index data).
• Experience with Apache Tomcat, Apache Directory Studio.
• Experience with Oracle 19c/relational database integration.
• Experience with SAP Business Intelligence 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.
• 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

Java enterprise development

Python

Solr with ZooKeeper

Secure coding practices

Oracle 19c integration

SAP BI reporting frameworks

Education

Bachelor's degree + 9 years experience

Master's degree + 7 years experience

No degree + 13+

Tools

Apache Tomcat

Apache Directory Studio

Job description

Base-2 Solutions is seeking a Senior Java Developer to modernize a critical government information system in Reston, VA. You will lead upgrades across the technology stack, including Solr with ZooKeeper, Tomcat, Directory Studio, and Oracle 19c integrations, while ensuring secure coding and minimal disruption.

You will collaborate with security, infrastructure, and business stakeholders to deliver robust, scalable solutions using Java and Python on Windows-based VMware infrastructure.