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Mainframe Admin

ProitPlano, TXL5 SeniorAugust 5th, 2026
Role: Mainframe zOS Admin- Location: Plano, TX Fulltime Role with TCS Description: Experience working with z/OS, JES2, SMP/E, TSO, IOCP/HCD, Parallel Sysplex Create, populate, secure and troubleshoot IBM z/OS USS (UNIX Systems Services) file systems and mount points. Manage the USS environment on an IBM z/OS mainframe platform. Create/update and debug z/OS parameters using PARMLIB Plan, create and update accurate, detailed documentation for IBM z/OS mainframe platform software/hardware installation/upgrades Use IBM z/OS mainframe communications products, including Virtual Telecommunications Access Method (VTAM), Transmission Control Protocol/Internet Protocol (TCP/IP), and File Transfer Protocol (FTP). Create, update, and debug Job Entry Subsystem (JES2) parameters and statements. Fully understand z/OS services structure, JES concepts, parallel sysplex, Catalog management Expertise in tuning and debugging performance problems for z/OS systems including application workloads Perform problem diagnostics and resolution. Monitor system performance and tune when required Capable of z/OS Performance Analysis using various tools such as IBM's RMF, SMF and subsystem analysis tools Job Type: Full-time Pay: $76,262.31 - $91,842.78 per year Benefits: 401(k) Dental insurance Health insurance Compensation Package: Yearly pay Schedule: 8 hour shift Experience: IBM z/OS mainframe: 9 years (Preferred) VTAM: 9 years (Preferred) Security clearance: Confidential (Preferred) Ability to Commute: Plano, TX (Preferred) Ability to Relocate: Plano, TX: Relocate before starting work (Required) Work Location: In person