We are seeking a Senior Mainframe Modernization Specialist with secret clearance to join our dedicated team in Chantilly, Virginia. This role involves working closely with cross-functional teams to modernize legacy mainframe systems and transition transactional data to more contemporary platforms. Day-to-day responsibilities include assessing existing mainframe environments, designing migration strategies, and implementing new technologies to enhance system performance and scalability. Candidates should possess expertise in COBOL, JCL, DB2, and z/OS, along with experience in cloud-based solutions such as AWS or Azure for mainframe modernization projects. The ideal candidate will have a deep understanding of mainframe architecture and the ability to navigate complex business requirements while ensuring data integrity and security throughout the transition process.