Senior Java Developer

Base-2 Solutions; Maryland; Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical premiums paid by company

Dental premiums paid by company

Vision premiums paid by company

Disability premiums paid by company

Life insurance up to $200,000

401(k) with 4% match + 4% non-elective

Job summary

Base-2 Solutions is seeking a Senior Java Developer to modernize a government information system. You will lead upgrades of enterprise Java applications on Windows-based VMware, integrating Oracle 19c and SAP BI, and coordinating with security teams.

The role requires Top Secret/SCI with CI Polygraph clearance, strong secure coding practices, and experience with Solr, ZooKeeper, Tomcat, and directory services. Hybrid work includes on-site Annapolis Junction, MD with remote options.

Qualifications

• Enterprise Java applications on Windows-based VMware environments.
• Python development experience.
• Solr with ZooKeeper upgrades and index migration.
• Tomcat and Directory Studio experience.
• Oracle 19c integration experience.
• SAP BI reporting framework experience.
• Secure coding in government contexts.

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 code to current standards and best practices.
• Implement secure coding practices per government requirements.
• Upgrade Apache Solr clusters with ZooKeeper coordination.
• Migrate and optimize Solr index data during upgrades.
• Manage Tomcat configurations and deployments.
• Integrate applications with Oracle 19c databases.
• Work with Directory Studio for directory services integration.
• Support SAP BI reporting framework integrations.
• Collaborate with security/infrastructure/business teams.
• Minimize operational disruption during upgrades.
• Document designs, procedures, and configurations.
• Participate in code reviews and knowledge-sharing.

Skills

Enterprise Java

Python

Solr with ZooKeeper

Tomcat

Directory Studio

Oracle 19c

SAP BI

Security compliance

PrimeFaces (preferred)

Education

Bachelor's degree with 9 years

Master's degree with 7 years

No degree with 13+

Tools

VMware vSphere

Windows-based VMware

Solr index migration tools

Oracle 19c admin tools

Job description

• Required Security Clearance: Top Secret/SCI with CI Polygraph
• Location: Annapolis Junction, MD
• Work Type: Hybrid (On-Site and Remote)
• Shift: First

• Requisition ID: 4696
• Standard Title:
• Required Security Clearance: Top Secret/SCI with CI Polygraph
• Location: Annapolis Junction, MD
• Work Type: Hybrid (On-Site and Remote)
• Shift: First
• Referral Eligibility: Eligible
• U.S. Citizenship Required? Yes

Position Summary

Base-2 Solutions is seeking a Senior Java Developer to modernize a critical government information system. The ideal candidate will have deep expertise in enterprise Java application development and a proven track record of upgrading complex software infrastructures in secure, regulated environments. The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on Windows-based VMware infrastructure. Strong knowledge of Oracle 19c database integration, SAP Business Intelligence reporting frameworks, secure coding practices, and upgrading and migrating Solr index data is essential. Experience with PrimeFaces UI framework is a plus. The candidate will collaborate with cross-functional teams including security, infrastructure, and business stakeholders to ensure seamless upgrades with minimal operational disruption.

Essential Duties And 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 Business Intelligence 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.

Required 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.

Preferred Qualifications

• Experience with PrimeFaces UI framework.

Required Education and Experience Equivalency

• Bachelor's degree with 9 years of experience.
• Master's degree with 7 years of experience.
• No degree with 13+.

Required Certifications

• None specified.

Required Security Clearance

• Active Top Secret/SCI with CI Polygraph

Pay & Benefit Highlights

Compensation

• Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity).
• Employee referral bonuses up to $10,000 per hired referral.
• Additional bonus opportunities for exceptional performance and contributions to business development and company growth (role-dependent).

Health

• 100% company-paid medical premiums for employees and eligible dependents.
• Choose from multiple plan options with CareFirst, Kaiser, and UnitedHealthcare, including PPO, POS, HMO, and HSA-compatible plans.
• 100% company-paid dental premiums for employees and eligible dependents.
• 100% company-paid vision premiums for employees and eligible dependents.

Income Protection

• 100% company-paid premiums for short-term disability.
• 100% company-paid premiums for long-term disability.
• 100% company-paid premiums for accidental death & dismemberment (AD&D).
• 100% company-paid premiums for life insurance up to $200,000.

Retirement

• 401(k) with immediate vesting: 4% company match plus a 4% non-elective company contribution (8% total).
• 401(k) pre-tax and Roth options.

Leave

• Up to 20 days of flexible paid time off (PTO).
• 11 paid floating holidays.

Work-Life Balance

• Flexible work schedules, including flex time and compressed work periods (contract and project-dependent).