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Senior Mainframe Infrastructure Engineer London

Randstad Enterprise

london, on, Canada Full-time July 13, 2026

Opportunity Description

Join the financial sector as a Senior Mainframe Infrastructure Engineer, focusing on performance optimization and capacity planning. Use your expertise to ensure critical workloads run efficiently.

In this role, you will handle real-time performance monitoring and anomaly detection for our client’s mainframe systems, utilizing advanced analytics and reporting tools. With over 10 years of experience in z/OS environments, you will collaborate with cross‑functional teams to identify performance exceptions and enhance operational efficiency. Your insights will be valuable in influencing key engineering and business decisions while ensuring seamless workload behavior.

Key Responsibilities

  • Conduct real‑time z/OS performance monitoring and analysis
  • Resolve performance issues in partnership with incident teams
  • Implement tuning strategies and monitor resource allocation
  • Support capacity planning with accurate forecasts and modeling
    Full-time Other-General

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