Performance Engineer - Mainframe z/OS

This is a senior-level, enterprise-facing performance and capacity planning role within a large-scale z/OS environment. The ideal candidate will bring deep systems-level understanding of mainframe performance tuning, workload management, and capacity forecasting in high-demand production environments, You will work closely with systems programming, infrastructure, and operations teams to ensure stability, scalability, and forward-looking capacity planning, s * Evaluate and implement Workload Manager (WLM) policy change

s * Interpret RMF Monitor data and system metric

s * Utilize OMEGAMON and other diagnostic tools (including Freeze Frame

) * Develop and maintain performance reporting using MICS and MX

G * Write and maintain SAS programs for performance data analysi

• Strong knowledge of z/OS performance and tunin

g * Proven experience in mainframe capacity plannin

g * Deep understanding of CPU and I/O analysi

s * Advanced SAS programming skills (required

) * Experience with MICS and MXG reporting tool

s * RMF Monitor and OMEGAMON expertis

e * Strong understanding of WLM policies and tunin

g * Ability to manage competing priorities in enterprise environment