Mainframe Top Secret Security Administrator

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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).
• All work products are considered works made for hire, and candidates must pass Texas-authorized criminal background checks.
  
  

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

Minimum Requirements:

Candidates that do not meet or exceed the minimum stated requirements (skills/experience) will be displayed to customers but may not be chosen for this opportunity.

Years

Required/Preferred

Experience

8

Required

Hands-On Experience with TSS (Top Secret Security)

5

Required

Hands-On Experience with z/OS Administration

5

Required

Experience with JES2, z/OS Unix System Services (OMVS), Storage Management Subsystem (SMS)

3

Required

Experience with TLS configuration (certificates, SSL – RSA Keys, SFTP, FTPS)

3

Preferred

Experience with performance monitoring to include initial analysis of performance issues

3

Preferred

Experience with Informatica Power Exchange Administration

3

Preferred

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)
  
  

3

Preferred

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)
  
  

3

Preferred

Working knowledge of each of the following:

• SMP/E (System Modification Program/Extended)
• RMF (Resource Measurement Facility)
• SMF (System Management Facility)
• WLM (Workload Management)
  
  

3

Preferred

Working knowledge of each of the following:

• JCL (Job Control Language)
• GRS (Global Resource Serialization)
• VSAM (Virtual Storage Access Method)
• TSO (Time Sharing Option)
  
  

2

Preferred

Experience with REXX