Demo

Mainframe z/OS Security Administrator (TSS)

Neos Consulting
Austin, TX Full Time
POSTED ON 1/14/2026
AVAILABLE BEFORE 3/13/2026

Job Details

City : Austin

State : Texas

Neos is Seeking a Mainframe z/OS Security Administrator (TSS) for a contract role for with our client in Austin, TX.

***REMOTE- ONLY CANDIDATES CURRENTLY RESIDING IN THE U.S. WILL BE CONSIDERED***

No calls, no emails, please respond directly to the "apply" link with your resume and contact details.

DESCRIPTION OF SERVICES
Serve as a subject-matter expert in Mainframe Top Secret Security Administration to maintain data security and regulatory compliance.
Work involves highly advanced (senior-level) systems administration in support of agency mainframe applications and supporting infrastructure; and coordinate day-to-day system administration functions such as mainframe configuration, break/fix system support, and base user account creation/support.
Work requires strong and proven hands-on experience in Mainframe Top Secret Security Administration and z/OS Administration.
Work also requires expertise in certificate renewals and access control within mainframe environments as well as a strong understanding of security compliance, audit practices, and risk mitigation.
Routine system administration functions to include security administration support, performance monitoring, security monitoring, and system maintenance.
Work includes supporting data entry and control work processes, overseeing and coordinating mainframe operations in the State's Consolidated Data Center Services (DCS), and working with the Network Administration, Customer Support and Applications Development & Support teams to provide support necessary for day-to-day mainframe operations.
Experience with Informatica Power Exchange Administration for Change Data Capture processing using mainframe data sources and targets (i.e., IMS and VSAM) a plus.

The Worker will apply their expert knowledge and experience as a Mainframe Top Secret Security Administrator to support both the needs of the Legacy Systems as well as those for the Mainframe Transformation Team.

WORKER SKILLS AND QUALIFICATIONS
Serve as a subject-matter expert in Mainframe Top Secret Security Administration to maintain data security and regulatory compliance.
Provide primary support as the subject matter expert for z/OS operating systems and system components; provide direct technical support as needed in the planning, implementation and testing of releases, upgrades, or changes to z/OS operating system, network, and component software.
Provide end user support for assigned Independent Software Vendor (ISV) products such as BlueZone.
Diagnose platform, software and related product issues and follow up with root cause analysis.
Assist with maintaining and providing technical support for Mainframe Production Control and Support Jobs and monthly Mainframe Job Scheduler.

CANDIDATE SKILLS AND QUALIFICATIONS
Hands-On Experience with TSS (Top Secret Security) - 8 years (Required)
Hands-On Experience with z/OS Administration - 5 years (Required)
Experience with JES2, z/OS Unix System Services (OMVS), Storage Management Subsystem (SMS) - 5 years (Required)
Experience with TLS configuration (certificates, SSL - RSA Keys, SFTP, FTPS) - 3 years (Required)
Experience with REXX - 2 years (Preferred)
Experience with performance monitoring to include initial analysis of performance issues - 3 years (Preferred)
Experience with Informatica Power Exchange Administration - 3 years (Preferred)
Working knowledge of z/OS Operation - 3 years (Preferred)
Working knowledge of z/OS Networking (VTAM, TCP/IP) - 3 years (Preferred)
Experience with z/OS-centric automated job scheduling and management software (JOBTRAC) - 3 years (Preferred)
Experience with Terminal Emulator Software (BLUEZONE) - 3 years (Preferred)
Experience with VTAM Session Manager Software (VTAM/SWITCH) - 3 years (Preferred)
Experience with SMP/E - 3 years (Preferred)
Experience with RMF, SMF, and WLM - 3 years (Preferred)
Experience with JCL, GRS, VSAM, and TSO - 3 years (Preferred)

#DICE

#LI-MB
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Salary.com Estimation for Mainframe z/OS Security Administrator (TSS) in Austin, TX
$96,560 to $121,792
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