Harmonia Holdings Group, LLC

Harmonia Holdings is seeking a skilled Database Developer to support a federal government client. This role is responsible for the design, implementation, maintenance, and enhancement of complex database systems across all phases of the system development life cycle. The Database...

Harmonia Holdings is seeking a skilled Application Programmer / Java Developer to support a federal government client in a dynamic, agile development environment. This role is responsible for participating in all phases of the software development lifecycle, including: Requiremen...

The role involves conducting independent, comprehensive assessments of management, operational, and technical security controls within IT systems to determine their effectiveness as defined by NIST SP 800-37. Responsibilities also include planning security authorization reviews, verifying security posture implementation, and developing security compliance processes for external services.

The ETL Data Migration Validation Engineer will independently validate large-scale data migrations across platforms using complex SQL queries, focusing heavily on reconciliation strategies like set-based comparisons to ensure accuracy and integrity of over 100K records. Responsibilities also include validating schema alignment, transformation logic, and operating objectively from development teams to document findings and provide risk-based recommendations.

The Senior IV&V Test Engineer will lead independent validation efforts across application releases, focusing on ensuring performance, reliability, security, and compliance requirements are met before production deployment. Responsibilities include developing test strategies, executing non-functional validation, integrating automation into CI/CD, and maintaining compliance traceability documentation.