Mainframe Capacity & Performance Administrator

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Your Role

• Monitor and analyze mainframe system performance using tools like RMF, SMF, and other performance monitoring utilities.
• Conduct capacity planning by forecasting future resource needs based on usage trends and business growth.
• Perform performance tuning by optimizing system configurations and implementing best practices.
• Generate and present regular reports on system performance, capacity utilization, and trends, with actionable recommendations.
• Collaborate with application developers, infrastructure engineers, and other IT teams to resolve performance issues and implement enhancements.

Your Profile

• 4-12 years of experience in mainframe performance and capacity planning, especially with IBM z/OS systems.
• Proficient in using RMF, SMF, and other performance and capacity planning tools.
• Strong analytical and problem-solving skills to identify and resolve performance bottlenecks.
• Excellent communication skills to collaborate effectively with technical and non-technical stakeholders.

What will you love working at Capgemini

• Work on enterprise-scale mainframe environments supporting mission-critical operations.
• Gain exposure to advanced performance monitoring and capacity planning tools.
• Clear career progression from operations to architecture and leadership roles.
• Be part of high-impact projects that ensure system reliability, scalability, and performance.