z/OS Mainframe Capacity Planner & Performance Forecaster

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

Benefits offered by this job

Impact in fintech

Learning opportunities

Inclusive culture

Community involvement

Competitive pay

Job summary

FIS seeks a capacity planning and performance management lead for enterprise z/OS mainframe environments supporting critical financial services workloads. You will forecast resource demand, optimize system performance, and ensure infrastructure readiness to meet business growth and service-level objectives.

You will collaborate with infrastructure, engineering, operations, and business stakeholders to translate workload trends into actionable capacity strategies.

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

Mainframe capacity planning

Performance analysis

Forecasting & analytics

Metrics interpretation

Mainframe architecture knowledge

Trend analysis & modeling

Stakeholder communication

Data-driven decision making

Education

Bachelor’s degree or equivalent in IT/CS

Tools

SMF

CMF

MXG

SAS

MICS

Job description

FIS seeks a capacity planning and performance management lead for enterprise z/OS mainframe environments supporting critical financial services workloads. You will forecast resource demand, optimize system performance, and ensure infrastructure readiness to meet business growth and service-level objectives.

You will collaborate with infrastructure, engineering, operations, and business stakeholders to translate workload trends into actionable capacity strategies.