This full-time Senior Legacy Systems Engineer role supports the USAF at Maxwell AFB within the Base Maintenance Family of Systems program. The position focuses on providing technical leadership for the sustainment, refactoring, and modernization of critical legacy IMDS components and enterprise workflows. Key responsibilities include analyzing technical debt, managing coexistence between legacy and modernized systems, and executing migration strategies that preserve operational stability and data integrity. The role appeals to engineers seeking to work on mission-critical infrastructure with a focus on modernizing mainframe and COBOL applications. Candidates must hold an active Secret clearance and possess over a decade of experience in legacy application support. The position is based on-site at the Maxwell AFB location.