Mainframe Top Secret Security Administrator

We are seeking a senior-level Mainframe Top Secret (TSS) Security Administrator to serve as a subject-matter expert supporting legacy mainframe systems and the Mainframe Transformation Team. This role is responsible for maintaining data security, regulatory compliance, and operational stability of the agency’s mainframe environment. The position involves hands-on administration of Top Secret Security (TSS) and z/OS, including user access management, certificate and TLS configuration, system monitoring, and coordination with operations, networking, and application support teams within the State’s Consolidated Data Center Services (DCS). Key Responsibilities Act as the SME for Mainframe Top Secret Security Administration Perform advanced z/OS systems administration and security configuration Manage user access control, certificates, TLS/SSL, RSA keys, SFTP/FTPS Support mainframe configuration, break/fix issues, and daily operations Monitor system performance, security events, and compliance Support mainframe job scheduling, production control, and ISV tools Coordinate with Network, Customer Support, and Application Development teams Assist with root cause analysis and audit readiness Support legacy systems and mainframe modernization efforts CANDIDATE SKILLS AND QUALIFICATIONS Hands-On Experience with TSS (Top Secret Security) Hands-On Experience with z/OS Administration Experience with JES2, z/OS Unix System Services (OMVS), Storage Management Subsystem (SMS) Experience with TLS configuration (certificates, SSL – RSA Keys, SFTP, FTPS) Experience with performance monitoring to include initial analysis of performance issues Experience with Informatica Power Exchange Administration Working knowledge for each of the following: • z/OS Operation • z/OS Networking – VTAM (Virtual Telecommunications Access Method), TCP/IP (Transmission Control Protocol/Internet Protocol) Working knowledge of each of the following: • z/OS-centric automated job scheduling and management software (JOBTRAC) • Terminal Emulator Software (BLUEZONE) • VTAM Session Manager Software (VTAM/SWITCH) Working knowledge of each of the following: • SMP/E (System Modification Program/Extended) • RMF (Resource Measurement Facility) • SMF (System Management Facility) • WLM (Workload Management) Working knowledge of each of the following: • JCL (Job Control Language) • GRS (Global Resource Serialization) • VSAM (Virtual Storage Access Method) • TSO (Time Sharing Option) Experience with REXX