Title: Z/os Network System Admin Location: Remote Type: Fulltime Salary: Open (Best Possible) Position Overview We are seeking a highly qualified z/OS Network Systems Administrator to join our F500 client support technology team. The ideal candidate will have strong hands-on experience supporting IBM z/OS networking, mainframe systems administration, connectivity, file transfer, messaging, and network operations. Key Responsibilities Provide hands-on support and troubleshooting for IBM z/OS Communication Server , including VTAM, TCP/IP, TN3270, FTP, Policy Agent, and SMTP. Perform day-to-day administration, navigation, and operational support within the z/OS mainframe environment . Utilize TSO, ISPF, JCL, VSAM, and catalog management for system administration and troubleshooting. Execute and interpret z/OS and JES2 operator commands related to network and system operations. Develop automation and operational tooling using TSO/REXX, TSO/CLIST, or SAS . Configure and support mainframe network connectivity for MQ, DB2, CICS, and related middleware . Support and troubleshoot end-to-end file transmission, printing, and email infrastructure . Develop and maintain monitoring, reporting, troubleshooting, and auditing tools for network operations. Collaborate with Enterprise Network Services and Security Platforms teams on network design, upgrades, implementations, and verification activities. Participate in infrastructure troubleshooting, operational improvements, and technology modernization initiatives. Required Skills & Experience Hands-on experience with IBM z/OS Communication Server . Strong knowledge of VTAM, TCP/IP, TN3270, FTP, Policy Agent, and SMTP . Practical experience working in a z/OS mainframe environment . Proficiency with TSO, ISPF, JCL, VSAM, and z/OS catalog management . Experience with z/OS and JES2 operator commands . Scripting/programming experience with REXX, CLIST, or SAS . Experience configuring and troubleshooting connectivity involving MQ, DB2, CICS, and middleware . Experience supporting file transfer, printing, and email/messaging infrastructure . Ability to develop or maintain network monitoring, reporting, and operational tools . Strong communication and cross-functional collaboration skills. Nice-to-Have Skills Experience with Broadcom/CA NetMaster NCL programming . Experience with Broadcom/CA NetMaster . Experience with PKWARE PKZip . Experience with IBM Sterling Connect:Direct . Experience with Secure Proxy technologies. Participation in Disaster Recovery (DR) tests and infrastructure continuity events. Experience advising application development teams on connectivity requirements and application-level network issues . College degree in Computer Science, Information Technology, Engineering, or a related discipline. Knowledge of AI concepts, methodologies, and tools applicable to mainframe/network operations. Preferred Candidate Profile The successful candidate will be a hands-on z/OS networking professional who can independently troubleshoot complex mainframe connectivity issues, automate operational processes, collaborate with enterprise network and security teams, and support critical F500 production environments. If Interested please send your updated resume to: [email protected] and include your rate/Salary requirement along with your contact details with a suitable time when we can reach you. If you know of anyone in your sphere of contacts, who would be a perfect match for this job then, we would appreciate if you can forward this posting to them with a copy to us. We look forward to hearing from you at the earliest.