Senior z/OS Mainframe Capacity & Performance Lead

CVS Health; Lansing (MI); On-site; USD 88,000 - 146,000; Full time

Job summary

CVS Health is seeking a Senior Mainframe Capacity & Performance Engineer to join our Enterprise Infrastructure organization. You will lead capacity planning, workload analysis, and performance tuning across the IBM z/OS environment to support mission-critical healthcare, pharmacy, and retail applications.

This role partners with development, systems programming, and operations to identify top resource consumers, drive MIPS reductions, and optimize infrastructure while maintaining service levels.

Qualifications

• 5+ years supporting enterprise IBM mainframe environments, including z/OS and IBM Z.
• 5+ years in capacity planning, performance engineering, root cause analysis, and production troubleshooting.
• 3+ years analyzing utilization trends, forecasting capacity needs, and driving workload optimization.
• 2+ years utilizing enterprise mainframe monitoring and performance management tools.

Responsibilities

• Serve as the primary Senior Mainframe Capacity & Performance Engineer responsible for monitoring, analyzing, and optimizing enterprise mainframe resource utilization, performance, and capacity across IBM z/OS environments.
• Conduct capacity planning, forecasting, trend analysis, and real‑time performance diagnostics to identify bottlenecks, mitigate risks, and ensure platform scalability and reliability.
• Partner with application, infrastructure, database, and systems programming teams to identify high-resource consumers, troubleshoot performance issues, and implement optimization strategies that improve efficiency and reduce MIPS consumption.
• Develop and deliver utilization reports, performance assessments, and capacity recommendations to support infrastructure investments, application initiatives, technology upgrades, and peak‑business readiness activities such as Open Enrollment and Welcome Season.
• Provide technical leadership for performance engineering activities including testing, quality assurance reviews, production support, critical incident response, and participation in an on‑call rotation supporting enterprise application performance.

Skills

Mainframe capacity planning

Performance engineering

Capacity forecasting

Root cause analysis

Production troubleshooting

Excel reporting

Education

Bachelor's degree in Computer Science or related field

Tools

OMEGAMON

RMF III

SAS

MXG

DB2

CICS

MQ

Job description

CVS Health is seeking a Senior Mainframe Capacity & Performance Engineer to join our Enterprise Infrastructure organization. You will lead capacity planning, workload analysis, and performance tuning across the IBM z/OS environment to support mission-critical healthcare, pharmacy, and retail applications.

This role partners with development, systems programming, and operations to identify top resource consumers, drive MIPS reductions, and optimize infrastructure while maintaining service levels.