Mainframe Senior Architect – Performance & Capacity Management

Job Title: Mainframe Senior Architect – Performance & Capacity Management Location: Remote, USA Company Overview Glint Tech Solutions is a women-owned, global IT staffing firm recruiting on behalf of a leading enterprise client for the role below. Project Description 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. Key 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 Mandatory Skills 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-Have Skills Grafana (highly desirable), ZPCR, Macro4 Freezeframe, BMC Thruput Manager, TADz, IntelliMagic SAS programming; executive dashboard experience Large-scale, highly transactional enterprise background Education Bachelor's degree in IT/CS or related field preferred, not required with strong relevant experience (note on profile if applicable).