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Ajesh Racha

Mainframe Architect | Observability & Modernization Specialist

Talent
Mumbai, MaharashtraMember since June 18, 2026
OpenTelemetryPrometheusHoneycombGrafanaSigNozMetricsLogsTracesSLA/SLOsZirisWatch Tower Platformz/OSMVSCOBOLAssemblerJCLCICSBatchDB2VSAMIMSKafkaLinux on ZAPI EnablementSOACOBOL to Python MigrationTSO/ISPFFile-AidXpediterQMF
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About

Mainframe Architect with 18+ years of experience in insurance and financial services, specializing in mainframe observability, performance engineering, and modernization. Proven expertise in designing end-to-end observability pipelines for z/OS systems using OpenTelemetry, Prometheus, Honeycomb, Kafka, and Grafana, and driving reliability improvements through metrics-driven architecture.

Experience

Mainframe Architect – Observability & Modernization - Zurich Insurance Group - Switzerland

(2021-02)

  • Designed and implemented enterprise-scale mainframe observability platform for z/OS systems using SMF and RMF records
  • Implemented real-time telemetry capture and standardized metrics using OpenTelemetry
  • Built observability pipelines using Kafka, OTel Gateway, Prometheus, Honeycomb, and Grafana
  • Enabled proactive performance detection and achieved ~30% performance improvement
  • Led selective modernization migrating COBOL/Assembler components to Python

Technical Lead / SME - Farmers Insurance Group (Zurich Financial Services)

(2016-10 - 2021-01)

  • Technical leadership for high-volume CICS and batch systems supporting commercial insurance
  • Worked on user stories related to cobol, db2, vsam
  • Led bi-monthly releases and production stability initiatives

Senior Software Engineer / Technical Lead - Farmers Insurance Group

(2010-06 - 2016-09)

  • Developed and optimized mainframe batch and CICS applications for Home Insurance systems
  • Implemented DB2 performance tuning and system monitoring using SMF records
  • Led releases, defect resolution, and production support activities

Analyst Programmer - State Farm Insurance - USA

(2006-11 - 2010-05)

  • Developed COBOL, CICS, and DB2 modules for enterprise auto policy systems
  • Supported enterprise modernization and data integration initiatives
  • Performed system monitoring, diagnostics, and performance analysis using Schedulers

Education

Bachelor of Technology - Electronics & Communications Engineering

Skills

Mainframe ArchitectObservability & Modernization Specialist

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