Senior Mainframe Performance Engineer

2 weeks ago

Bengaluru, Karnataka, India TECEZE Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Job Summary:

We are seeking a highly experienced and analytical z/OS PCM Expert to join our mainframe infrastructure team. This role is responsible for ensuring optimal performance, capacity planning, and proactive monitoring of z/OS systems. The ideal candidate will have deep expertise in system performance analysis, workload management, SMF/RMF data interpretation, capacity forecasting, and vendor collaboration. This role is critical to maintaining the health, efficiency, and scalability of enterprise mainframe environments.

Key Responsibilities:

Performance Management & Optimization

  • Monitor and analyze z/OS system performance using RMF, SMF, and IntelliMagic Vision.
  • Identify and resolve performance bottlenecks across CPU, memory, I/O, and network subsystems.
  • Tune WLM policies and system parameters to optimize workload distribution and throughput.
  • Collaborate with application and infrastructure teams to improve end-to-end performance.

Capacity Planning & LPAR Assessment

  • Forecast resource usage trends and plan for future capacity needs.
  • Conduct LPAR sizing assessments and recommend changes to PR/SM configurations.
  • Develop and maintain capacity models using historical SMF/RMF data.
  • Provide input for hardware upgrades, workload balancing, and infrastructure scaling.

Monitoring & Automation

  • Implement and maintain real-time monitoring solutions using tools like Omegamon, Mainview, and IntelliMagic.
  • BMC AMI ops knowledge a plus.
  • Develop automated alerts and dashboards for proactive issue detection and SLA tracking.
  • Integrate monitoring data with enterprise observability platforms and reporting systems.

Reporting & Analysis

  • Generate regular performance and capacity reports for technical and executive stakeholders.
  • Present findings and strategic recommendations based on data-driven analysis.
  • Maintain documentation of performance baselines, tuning activities, and capacity forecasts.

Vendor Collaboration

  • Work closely with IBM, BMC, IntelliMagic, and other vendors to evaluate, implement, and optimize performance tools and solutions.
  • Coordinate with vendors during tool upgrades, performance assessments, and issue resolution.
  • Participate in product roadmap discussions and provide feedback for enhancements.

Collaboration & Support

  • Work closely with z/OS system programmers, DB2 DBAs, MQ administrators, and application owners.
  • Participate in incident response and root cause analysis for performance-related outages.
  • Support disaster recovery and business continuity planning from a performance standpoint.

Required Skills and Experience:

  • 8+ years of experience in z/OS performance and capacity management.
  • Expert-level knowledge of SMF, RMF, WLM, and z/OS internals.
  • Hands-on experience with IntelliMagic Vision, Omegamon, Mainview, or equivalent tools.
  • Strong analytical skills in interpreting system metrics and logs.
  • Proficiency in REXX, SAS, or Python for data analysis and automation.
  • Familiarity with LPAR configuration, PR/SM, and z/OS hardware architecture.
  • Experience working with vendors on tool deployment and optimization.
  • Excellent communication and documentation skills.

Desired Skills and Experience:

  • Experience with AI-driven performance analytics platforms.
  • Knowledge of z/OS Connect, zCX, and hybrid cloud performance considerations.
  • Exposure to DevOps and observability practices in mainframe environments.
  • Understanding of capacity licensing models (e.g., zCAP, MSU, SCRT).

Certifications:

  • IBM Certified Specialist – System z Performance and Capacity Management (
    Preferred
    )

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