Mainframe Capacity & Performance Architect

highmarkhealth; Pennsylvania; Hybrid; USD 120,000 - 160,000; Full time

Job summary

Highmark is seeking a Mainframe Senior Architect to lead performance and capacity management for its IBM enterprise mainframe environment. You will monitor resources, forecast infrastructure needs, and optimize costs in a Parallel Sysplex setting, leveraging RMF/SMF/WLM tools and expertise in z/OS, CICS, MQ, Db2, IMS, and related subsystems.

The role requires deep hands-on skills (REXX, JCL) and strong Excel/PowerPoint proficiency, with collaboration across DevOps and executive teams to ensure

Qualifications

• 10+ years of mainframe systems experience in large, multi-LPAR, Parallel Sysplex z/OS environments.
• Expertise in real-time mainframe performance monitoring and capacity management.
• Deep experience with RMF, SMF, WLM, and other mainframe performance tools.
• Strong hands-on skills in REXX and JCL.
• Advanced proficiency in Microsoft Excel and PowerPoint.

Responsibilities

• Take a lead role to provide strategic consultation to business customers in defining or designing more complex business processes, functions and organizational structures, as well as in researching, identifying and internally marketing enabling technologies based on customer capability requirements.
• Facilitate development of more complex enterprise business solutions that combine knowledge of particular business processes and issues, general technological options, and process facilitation techniques.
• Participate in more complex enterprise strategy development, including environmental analysis, opportunity identification, value cases and business innovation portfolio development.
• Take a lead role to specify and design large or more complex systems, solutions, networks, infrastructure elements, or processes.
• Review others' system design to ensure selection of appropriate technology, efficient use of resources and integration of multiple systems and technology.
• Establish policy for selection of more complex architecture component

Skills

Mainframe experience

Real-time monitoring

RMF/SMF/WLM

REXX & JCL

Excel & PowerPoint

Sysplex z/OS

Tools

RMF

SMF

WLM

Omegamon

SAS/MXG

Job description

Highmark is seeking a Mainframe Senior Architect to lead performance and capacity management for its IBM enterprise mainframe environment. You will monitor resources, forecast infrastructure needs, and optimize costs in a Parallel Sysplex setting, leveraging RMF/SMF/WLM tools and expertise in z/OS, CICS, MQ, Db2, IMS, and related subsystems.

The role requires deep hands-on skills (REXX, JCL) and strong Excel/PowerPoint proficiency, with collaboration across DevOps and executive teams to ensure