Mainframe Senior Architect – Performance & Capacity Management

Glint Tech Solutions • New York, NY

5d • Remote

About The Position

Seeking a Mainframe Senior Architect specializing in IBM mainframe performance and capacity management (~80% performance / 20% capacity planning) for a large IBM zEnterprise environment, covering z/OS performance, WLM, SMF/RMF analysis, Parallel Sysplex, and capacity forecasting/cost optimization. This role involves providing technical leadership and mentoring.

Requirements

• Extensive z/OS, WLM, SMF/RMF, Parallel Sysplex experience
• Strong REXX/JCL and SAS/MXG or OMEGAMON skills
• Db2/CICS/IMS/MQ performance knowledge
• MIPS/MSU forecasting and IBM software cost optimization understanding
• Advanced Excel and executive communication skills
• Must be a U.S. Citizen

Nice To Haves

• Grafana (highly desirable)
• ZPCR
• Macro4 Freezeframe
• BMC Thruput Manager
• TADz
• IntelliMagic SAS programming
• Executive dashboard experience
• Large-scale, highly transactional enterprise background

Responsibilities

• Monitor, tune, and troubleshoot z/OS performance (CPU, memory, storage, workload)
• Tune WLM policies; analyze SMF/RMF data for trends and bottlenecks
• Evaluate Db2, CICS, IMS, and MQ workload impact across multi-LPAR/Parallel Sysplex environments
• Forecast MIPS/MSU capacity; perform SCRT processing
• Build dashboards/reports via SAS/MXG, Excel, OMEGAMON, IntelliMagic, REXX, JCL
• Partner cross-functionally on findings; advise on cost optimization
• Provide technical leadership and mentoring

What This Job Offers

• Job Type: Full-time
• Career Level: Senior