Mainframe Top Secret Security Administrator jobs in United States
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Largeton Group · 6 days ago

Mainframe Top Secret Security Administrator

Largeton Group is seeking a Mainframe Top Secret Security Administrator to ensure data security and regulatory compliance. The role involves advanced systems administration for agency mainframe applications, overseeing day-to-day operations, and providing technical support in a consolidated data center environment.

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H1B Sponsor Likelynote

Responsibilities

Serve as a subject-matter expert in Mainframe Top Secret Security Administration to ensure data security and regulatory compliance
Provide advanced, senior-level systems administration for agency mainframe applications and supporting infrastructure
Oversee day-to-day mainframe system administration, including configuration, troubleshooting, and user account management
Perform routine security administration, performance monitoring, security monitoring, and system maintenance tasks
Ensure expertise in certificate renewals, access control, security compliance, audit practices, and risk mitigation in mainframe environments
Support mainframe operations in the State’s Consolidated Data Center Services (DCS) and coordinate with Network Administration, Customer Support, and Applications Development teams
Apply expert-level knowledge of z/OS operating systems, including planning, implementation, testing of releases, upgrades, and changes
Provide technical and end-user support for Independent Software Vendor (ISV) products, such as BlueZone
Diagnose platform and software issues, perform root-cause analysis, and provide production control support
Assist with mainframe job scheduling and support jobs
Preferred experience with Informatica Power Exchange Administration for Change Data Capture processing using mainframe data sources and targets (IMS, VSAM)
Required hands-on experience in TSS (Top Secret Security), z/OS Administration, JES2, z/OS Unix System Services (OMVS), and Storage Management Subsystem (SMS)
Required experience with TLS configuration (certificates, SSL, RSA Keys, SFTP, FTPS)
Preferred experience with REXX, performance monitoring, and Informatica Power Exchange Administration
Working knowledge of z/OS Operation, networking (VTAM, TCP/IP), automated job scheduling (JOBTRAC), terminal emulator software (BLUEZONE), VTAM Session Manager (VTAM/SWITCH), SMP/E, RMF, SMF, WLM, JCL, GRS, VSAM, TSO
Must have state client experience (preferably with the Texas Railroad Commission)

Qualification

Z/OS AdministrationTLS configurationInformatica Power ExchangeZ/OS Unix System ServicesJES2Storage Management SubsystemREXXPerformance monitoringJOBTRACBlueZoneNetworking VTAMNetworking TCP/IPTSOJCL

Required

Required hands-on experience in TSS (Top Secret Security), z/OS Administration, JES2, z/OS Unix System Services (OMVS), and Storage Management Subsystem (SMS)
Required experience with TLS configuration (certificates, SSL, RSA Keys, SFTP, FTPS)
Working knowledge of z/OS Operation, networking (VTAM, TCP/IP), automated job scheduling (JOBTRAC), terminal emulator software (BLUEZONE), VTAM Session Manager (VTAM/SWITCH), SMP/E, RMF, SMF, WLM, JCL, GRS, VSAM, TSO
Must have state client experience (preferably with the Texas Railroad Commission)

Preferred

Preferred experience with Informatica Power Exchange Administration for Change Data Capture processing using mainframe data sources and targets (IMS, VSAM)
Preferred experience with REXX, performance monitoring, and Informatica Power Exchange Administration

Company

Largeton Group

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At Largeton Group, we're passionate about empowering businesses to reach new heights through innovative staffing solutions and cutting-edge technology.

H1B Sponsorship

Largeton Group has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2024 (10)
2023 (8)
2022 (6)
2021 (7)
2020 (11)

Funding

Current Stage
Growth Stage

Leadership Team

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Ashutosh Tripathi
Managing Partner
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Saurabh Prakash
Client Partnership Manager.
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Company data provided by crunchbase