z/OS Mainframe Capacity & Performance Lead

FIS; Jacksonville (FL); On-site; USD 112,000 - 190,000; Full time

Benefits offered by this job

Competitive salary and benefits

Inclusive, diverse work environment

Opportunities to make an impact in Fin

Job summary

FIS in Jacksonville, FL is seeking a Capacity Planning and Performance Management Lead for enterprise z/OS mainframe environments. You will forecast resource demand, optimize performance, and ensure readiness to meet growth and service objectives.

Collaborate with infrastructure, engineering, operations, and business teams to translate workload trends into actionable capacity strategies. Success is measured by reliability, efficient resource use, and proactive risk management.

Qualifications

• Bachelor's degree or equivalent practical experience in information technology, computer science, or a related field.
• Experience supporting and analyzing IBM z/OS mainframe environments.
• Strong expertise in capacity planning, performance analysis, and infrastructure forecasting.
• Proficiency interpreting system performance metrics and workload utilization data.
• Knowledge of mainframe architecture, processor technologies, storage, and subsystem performance.
• Experience with capacity management, trend analysis, statistical modeling, and reporting tools.
• Ability to communicate technical findings and recommendations to business and technology stakeholders.
• Strong analytical, problem-solving, and data-driven decision-making skills.

Responsibilities

• Analyze CPU, memory, storage, network, and workload utilization across z/OS environments.
• Develop short-term and long-term capacity forecasts using historical and predictive analysis techniques.
• Monitor performance trends and identify risks impacting availability, throughput, and scalability.
• Create capacity models supporting business growth, application changes, and infrastructure modernization.
• Partner with engineering and operations teams to optimize system performance and resource utilization.
• Evaluate workload characteristics and recommend tuning opportunities for improved efficiency.
• Prepare executive and operational reporting on capacity consumption, trends, and future requirements.
• Support budget planning through infrastructure demand forecasting and capacity recommendations.
• Assess the capacity impact of new applications, platform upgrades, and technology initiatives.
• Maintain capacity planning standards, documentation, metrics, and governance processes.

Skills

Capacity planning

Performance analysis

Data-driven decisions

Mainframe knowledge

Education

Bachelor's degree or equivalent

Tools

SMF

CMF

MXG

SAS

MICS

Job description

FIS in Jacksonville, FL is seeking a Capacity Planning and Performance Management Lead for enterprise z/OS mainframe environments. You will forecast resource demand, optimize performance, and ensure readiness to meet growth and service objectives.

Collaborate with infrastructure, engineering, operations, and business teams to translate workload trends into actionable capacity strategies. Success is measured by reliability, efficient resource use, and proactive risk management.