





Tier-1 employer and metro location increase applicant density, but niche mainframe skillset limits competition.
Mainframe z/VTAM and IBM z expertise is niche and not easily transferable across industries.
Mandatory specialized IBM z/VTAM, TCPIP and OSA skills make candidate filtering and shortlisting highly stringent.
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Own the build, delivery, and maintenance of IBM Mainframe infrastructure solutions ensuring reliability, performance, and security.
Monitor IT infrastructure performance, manage incidents, and use data-driven approaches to reduce mean time to resolution.
Develop and implement automation for infrastructure tasks and collaborate cross-functionally to align IT infrastructure with business objectives.
Strong experience as IBM Mainframe Network specialist (z Series) with z/OS communication server and expertise in TCPIP and VTAM subsystems configurations.
Proficient in configuring and maintaining SNA & IP products (DB2, CICS, TSO/ISPF, Netview, Connect: Direct, JES2), AT-TLS, IPSEC, and DDVIPA; experience with encrypted data transfers (NDM, SFTP, FTP/TLS).
Experience in network troubleshooting including TCP/IP, routing, IPv4, IPv6, and tools such as NetView, NPM, CA-TPX, and printer/FTP/SMTP/SNMP configurations.
Work Experience Required: Not explicitly mentioned in the JD; Location Requirement: Based out of Chennai.
Experienced in mainframe network infrastructure engineering with proven operational ownership of large-scale IBM z/OS environments.
Demonstrates strong technical leadership, capable of guiding teams and collaborating with multiple stakeholders to develop secure, scalable infrastructure.
Data-driven and skilled in incident management and automation, focused on continuous improvement and reducing downtime.