Application Engineer

Galapagos Federal Systems LLC.

54d•$150,000 - $160,000

About The Position

Galapagos Federal Systems LLC is seeking a qualified Application Engineer to support a mission-critical Department of Defense (DoD) database system managed by the Defense Manpower Data Center (DMDC). The system serves as a centralized, case-level database supporting DoD policy oversight and Congressional reporting, providing capabilities for data entry, case management, workflow automation, and enterprise system integration. In this role, you will design, develop, and maintain application components and system integrations that connect the core platform with internal DoD systems and external Service-level interfaces. Your work will support seamless data exchange across the DoD enterprise, enabling more than 6,500 users—including coordinators, advocates, and legal, investigative, and command personnel—to access reliable and integrated data. Working within an Agile development environment, you will participate in sprint cycles to deliver new functionality, resolve defects, and support modernization initiatives such as cloud migration, API development, and user interface enhancements. The ideal candidate will have experience with Java, Oracle databases, and web technologies, along with a strong understanding of enterprise integration and secure coding practices aligned with DoD standards.

Requirements

DoW Clearance not Required. Ability to obtain and maintain a Tier 3 (T3) background investigation for Noncritical-Sensitive position; Tier 5 (T5) required for privileged access role
Prior experience supporting DMDC or DHRA systems
Experience with Java, Oracle databases, SQL, and web application development
Knowledge of Oracle Forms, Reports, and other 4GL technologies
Experience implementing enterprise application integration patterns and API-based services
Familiarity with Agile/Scrum development methodologies
Experience working with CI/CD pipelines and DevSecOps practices
Strong understanding of secure coding practices and OWASP security standards
Experience with Apache Tomcat, web services (REST/SOAP), and enterprise integration technologies
Strong troubleshooting, debugging, and problem-solving skills
U.S. Citizenship
CompTIASecurity+ CE (DoW 8140/8570 compliant)

Nice To Haves

Familiarity with MicroStrategy or enterprise reporting platforms
Experience working in AWS GovCloud or other DoD-authorized cloud environments
Knowledge of microservices architectures and containerized application environments
Bachelor's degree in engineering, Computer Science, Information Technology, Systems Engineering, or a related technical discipline
DoW 8140 cybersecurity workforce certifications

Responsibilities

Maintain and enhance existing application components, including 4th generation language (4GL) code such as Oracle Forms, Reports, and JavaScript.
Develop, test, and maintain application functionality during quarterly Agile sprints, supporting bug fixes, emergency priority requirements, and minor system enhancements
Conduct code reviews at key development milestones (50%, 75%, and 90% completion) to ensure code quality and maintainability
Apply secure coding best practices, including adherence to OWASP principles and DoD Application Security and Development (ASD) STIG requirements
Design, maintain, and automate system interfaces and data exchange processes between the core application and internal or external interfacing systems
Support approximately 300 annual data exchanges using Secure File Transfer Protocol (SFTP) and implement modernized data exchange mechanisms such as API-based integrations
Develop reusable integration processes to connect with data sources across multiple cloud infrastructures and incorporate them into the enterprise architecture
Integrate application functionality with DoD and Service-level systems to support enterprise interoperability
Support the migration and deployment of applications to Cloud Service Providers (CSPs) in compliance with the DoD Cloud Computing Security Requirements Guide (SRG)
Assist with modernizing the existing monolithic application architecture toward micro front end and micro services based solutions
Develop cloud-native application components and micro services supporting ongoing system modernization initiatives
Contribute to the development of an enterprise system architecture roadmap supporting modernization efforts through 2030 and beyond
Implement user interface and user experience improvements as part of application modernization activities
Develop and execute unit testing and automated test cases, ensuring functionality meets performance and quality requirements
Integrate automated tests into DevSecOps CI/CD pipelines prior to deployment authorization
Participate in System Testing, User Acceptance Testing (UAT), interface testing, and regression testing for system releases and updates
Perform application security scans using tools such as Fortify and Sonatype, and re-mediate vulnerabilities in accordance with Cyber Hardening Policies