z/OS Network Systems Administrator

Accountabilities

• • Provide hands-on administration, troubleshooting, and operational support for IBM z/OS Communication Server, including VTAM, TCP/IP, TN3270, FTP, Policy Agent, and SMTP.
  • Manage day-to-day activities within the z/OS mainframe environment using TSO, ISPF, JCL, VSAM, and catalog management.
  • Execute and interpret z/OS and JES2 operator commands to support network and system operations.
  • Develop and maintain automation and operational tools using TSO/REXX, TSO/CLIST, or SAS.
  • Configure and troubleshoot mainframe connectivity for MQ, DB2, CICS, and related middleware platforms.
  • Support end-to-end file transfer, printing, email, and messaging infrastructure.
  • Build and maintain monitoring, reporting, troubleshooting, and auditing tools for network operations.
  • Partner with enterprise network services and security teams on network design, upgrades, implementations, testing, and verification.
  • Investigate complex infrastructure and connectivity issues and contribute to operational improvements and modernization initiatives.
  • Support reliable production operations and collaborate with application teams on connectivity requirements and network-related issues when needed.

  Requirements

  • Hands-on experience administering and supporting IBM z/OS Communication Server in an enterprise environment.
  • Strong knowledge of VTAM, TCP/IP, TN3270, FTP, Policy Agent, and SMTP.
  • Solid practical experience working with z/OS mainframe systems and related operational processes.
  • Proficiency with TSO, ISPF, JCL, VSAM, and z/OS catalog management.
  • Experience using z/OS and JES2 operator commands for system and network operations.
  • Programming or scripting experience with REXX, CLIST, or SAS, with an ability to automate operational tasks.
  • Experience configuring and troubleshooting connectivity involving MQ, DB2, CICS, and other middleware technologies.
  • Experience supporting file transmission, printing, email, and messaging environments.
  • Ability to develop or maintain network monitoring, reporting, troubleshooting, and operational tools.
  • Strong analytical and problem-solving capabilities, particularly when diagnosing complex mainframe connectivity issues.
  • Strong communication and collaboration skills, with the ability to work effectively with network, security, infrastructure, and application teams.
  • A degree in Computer Science, Information Technology, Engineering, or a related discipline is preferred but equivalent relevant experience may be considered.
  • Experience with Broadcom/CA NetMaster and NCL programming, PKWARE PKZip, IBM Sterling Connect:Direct, Secure Proxy technologies, or disaster recovery testing is an advantage.
  • Knowledge of AI concepts, methodologies, and tools relevant to mainframe or network operations is a plus.

  Benefits

  • Fully remote position for candidates based in India.
  • Full-time employment opportunity supporting a large-scale enterprise technology environment.
  • Opportunity to work with complex IBM z/OS networking and mainframe infrastructure.
  • Exposure to enterprise network, security, middleware, and modernization initiatives.
  • Opportunity to apply automation and scripting skills to improve operational efficiency.
  • Compensation is open and based on the candidate's experience, expertise, and expectations.
  • Opportunity to work on technically challenging production environments and expand enterprise mainframe expertise.