Mainframe Support – Senior Performance Engineer

Dataconsol Private Limited; Hyderabad; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

Dataconsol Private Limited is seeking a Senior Performance Engineer for Mainframe Support to drive end-to-end performance engineering across large-scale z/OS environments.

You will analyze SMF/RMF data, tune systems, and develop performance reports using MXG, SAS, and Splunk, while participating in a 24x7 on-call rotation and documenting technical solutions.

Qualifications

• Undergraduate degree or equivalent professional experience.
• Senior-level experience in mainframe performance engineering.
• Strong analytical and problem-solving skills.
• Ability to document performance analysis and system recommendations.

Responsibilities

• Perform end-to-end performance engineering across z/OS environments.
• Conduct system capacity planning and performance tuning.
• Analyze SMF and RMF data to evaluate system performance.
• Develop and maintain performance reports using MXG, SAS, and Splunk.
• Monitor daily system health and identify areas for improvement.
• Provide recommendations to enhance system performance.
• Troubleshoot and resolve system performance issues.
• Analyze coupling facility performance and LPAR configurations.
• Participate in a 24x7 on-call rotation to support performance issues.
• Design and document technical solutions for complex system environments.
• Develop proof-of-concepts (POCs) for new performance tools and technologies.
• Use AI tools to improve operational productivity and analysis.

Skills

SMF/RMF

SAS programming

z/OS operations

TSO & ISPF

JCL modifications

z/Linux knowledge

Education

Undergraduate degree or equivalent

Job description

Mainframe Support – Senior Performance Engineer

Responsible for end-to-end performance engineering, capacity planning, and system tuning across large-scale IBM z/OS Parallel Sysplex environments. This role requires strong expertise in SMF-based analysis, WLM policy behavior, infrastructure measurement, and subsystem performance tuning.

Positions: 02

Responsibilities:

• Perform end-to-end performance engineering across z/OS environments.
• Conduct system capacity planning and performance tuning.
• Analyze SMF and RMF data to evaluate system performance.
• Develop and maintain performance reports using MXG, SAS, and Splunk.
• Monitor daily system health and identify areas for improvement.
• Provide recommendations to enhance system performance.
• Troubleshoot and resolve system performance issues.
• Analyze coupling facility performance and LPAR configurations.
• Participate in a 24x7 on-call rotation to support performance issues.
• Design and document technical solutions for complex system environments.
• Develop proof-of-concepts (POCs) for new performance tools and technologies.
• Use AI tools to improve operational productivity and analysis.

Required Skills:

• Strong knowledge of SMF and RMF record structures.
• Experience with SAS programming and statistical data analysis.
• Knowledge of large-scale system operations and infrastructure.
• Proficiency with TSO and ISPF.
• Understanding of z/OS operations and JCL job stream modifications.
• Ability to troubleshoot complex system incidents.
• Experience working across multiple platforms including z/OS and zLinux.

Qualifications:

• Undergraduate degree or equivalent professional experience.
• Senior-level experience in mainframe performance engineering.
• Strong analytical and problem-solving skills.
• Ability to document performance analysis and system recommendations.

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