Mainframe Platform Engineer
Core
Expert-level support for IBM Z platforms (z/OS, z/VM, Linux on Z) ensuring platform stability, security, and performance for critical business applications.
Role type
Senior IC Mainframe Platform Engineer
Builds
Stable, secure, and performant mainframe environments for mission-critical business applications
Domain
Enterprise IT / Mainframe Operations
Deliverable
infrastructure
Required skills
IBM Z platform support (z/OS, z/VM, Linux on Z), TSO/ISPF, JCL, JES2/3, SDSF, RACF concepts, z/VM CP commands, Linux shell scripting on s390x, monitoring tools (OMEGAMON, BMC MainView, CA OPS/MVS)
Preferred skills
ITIL Foundation certification, hardware/LPAR troubleshooting, cross-functional team leadership
Technologies
z/OS, z/VM, Linux on Z, JCL, REXX, OMEGAMON, BMC MainView, CA OPS/MVS
Responsibilities
Monitor and maintain platform health and availability across z/OS, z/VM, and Linux on Z; Lead incident response and root-cause analysis for P1/P2 events; Plan and execute patching/compliance cycles; Perform performance and capacity analysis using SMF/RMF; Automate routine tasks using JCL, REXX, and Linux shell scripting; Coordinate ITIL-based change records and maintenance windows; Ensure security hygiene and vulnerability remediation
Seniority
Senior, hands-on IC