Lead, Systems Engineering

4 days ago

chennai, India Fiserv Full time

What does a great “Mainframe Capacity Engineer” do in Fiserv?


As a Mainframe Performance Engineer, you will be responsible for analyzing, optimizing, and monitoring the performance of our Mainframe systems and applications to ensure they meet business requirements efficiently. You will play a crucial role in identifying performance bottlenecks, optimizing system resources, and enhancing overall system performance to support our organization's objectives effectively.


What you will do:


  • Conduct performance analysis and tuning activities for Mainframe systems, including CPU utilization, memory management, I/O throughput, and response times.
  • Monitor system performance metrics and analyze performance data to identify bottlenecks, trends, and areas for optimization.
  • Collaborate with development teams, system administrators, and architects to design, implement, and tune Mainframe applications and subsystems for optimal performance.
  • Develop and execute performance testing plans, including workload modelling, benchmarking, and capacity planning, to ensure systems can handle expected loads and peak demands.
  • Implement performance monitoring tools and automated alerts to proactively detect and address performance issues before they impact users or business operations.
  • Provide recommendations and solutions for improving system performance, scalability, and reliability based on performance analysis findings.
  • Work closely with vendors and support teams to troubleshoot and resolve performance-related issues in Mainframe software, hardware, and network components.
  • Document performance tuning activities, best practices, and guidelines for internal reference and knowledge sharing.
  • Stay current with emerging technologies, tools, and techniques in Mainframe performance engineering and share knowledge within the team.


What you will need to have:


A successful Mainframe Capacity Engineer will possess the following key skills/behaviors:


  • Bachelor’s degree in computer science, Information Technology, or related field.
  • 8-11 years of relevant experience
  • Proven experience as a Mainframe Performance Engineer or similar role, with a strong understanding of Mainframe architecture and performance principles.
  • Proficiency in performance monitoring and analysis tools for Mainframe environments, such as IBM RMF, WPS, MXG, CA Sysview etc..
  • Solid understanding of performance tuning techniques for Mainframe subsystems and applications, including CICS, DB2, and MQ Series.
  • Experience with performance testing methodologies, tools, and techniques for Mainframe systems, including workload modelling, capacity planning, and stress testing.
  • Strong analytical and problem-solving skills, with the ability to diagnose and resolve complex performance issues efficiently.
  • Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and stakeholders.
  • Proactive attitude towards learning and self-improvement, with a passion for staying updated with the latest trends and best practices in Mainframe performance engineering.


What would be great to have:


  • IBM Certified Performance Analyst or equivalent certification in Mainframe performance tuning.
  • Experience with performance optimization techniques for Mainframe virtualization technologies such as z/VM and z/Linux.
  • Knowledge of scripting languages (e.g., REXX, Perl) for automating performance monitoring and analysis tasks.
  • Familiarity with DevOps practices and tools for Mainframe performance management and monitoring.

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