Serve as the subject-matter expert in Mainframe Top Secret Security Administration, ensuring data security, access control, and regulatory compliance.
Perform senior-level z/OS system administration, including configuration, maintenance, break/fix support, and user account management.
Support mainframe applications and infrastructure, including certificate renewals, security monitoring, and performance monitoring.
Oversee and coordinate mainframe operations, working closely with network administration, customer support, and application development teams.
Provide end-user support for Independent Software Vendor (ISV) products (e.g., BlueZone) and assist with mainframe production control and job scheduling.
Diagnose platform, software, and related product issues; perform root cause analysis and recommend solutions.
Support Mainframe Transformation initiatives while maintaining legacy systems.
Experience with Informatica Power Exchange Administration for Change Data Capture (CDC) using mainframe data sources and targets (IMS, VSAM) is a plus.
Qualifications
Proven experience in Mainframe Top Secret Security Administration and z/OS system administration.
Strong understanding of security compliance, audit practices, and risk mitigation.
Hands-on experience with mainframe configuration, user account management, and operational support.
Ability to troubleshoot complex platform and software issues and perform root cause analysis.
Familiarity with mainframe job scheduling and production control processes.
Excellent communication and collaboration skills to coordinate with cross-functional teams.