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The Mainframe SRE is responsible for ensuring the reliability, availability, performance, and scalability of enterprise mainframe platforms. This role blends traditional mainframe engineering with modern SRE principles, focusing on automation, observability, incident management, and continuous improvement. The lead will guide a team of engineers while partnering closely with application, infrastructure, and operations teams.
Key Responsibilities
Lead the Mainframe SRE team, providing technical direction, mentoring, and performance guidance
Own the reliability, availability, and resilience of mainframe environments (z/OS and related subsystems)
Define and implement SRE practices such as SLIs, SLOs, SLAs, error budgets, and reliability metrics
Drive automation to reduce manual operations, improve recovery time, and enhance system stability
Oversee monitoring, alerting, and observability for mainframe systems using modern and legacy tools
Lead incident management, root cause analysis (RCA), and post-incident reviews
Partner with application development teams to improve reliability, performance, and deployment practices
Plan and execute capacity management, performance tuning, and workload optimization
Ensure compliance with security, regulatory, and audit requirements
Lead disaster recovery (DR) planning, testing, and high-availability strategies
Champion continuous improvement, DevOps, and SRE culture within mainframe operations
________________________________________
Required Qualifications
10 years of experience in mainframe systems engineering or operations
Strong hands-on expertise with IBM z/OS
Experience with core mainframe components such as:
Experience leading production support and managing major incidents
Strong scripting and automation skills (REXX, JCL, CLIST, Python, or equivalent)
Familiarity with monitoring and scheduling tools (e.g., OMEGAMON, CA/BMC tools, Control-M)
________________________________________
Preferred Qualifications
Experience applying SRE principles in a mainframe or hybrid (mainframe distributed) environment
Exposure to DevOps, CI/CD, and automation frameworks
Knowledge of Linux on Z and cloud integration patterns
Experience with resilience engineering, chaos testing, or fault injection concepts
Prior people-lead or technical-lead experience
The Mainframe SRE is responsible for ensuring the reliability, availability, performance, and scalability of enterprise mainframe platforms. This role blends traditional mainframe engineering with modern SRE principles, focusing on automation, observability, incident management, and continuous improvement. The lead will guide a team of engineers while partnering closely with application, infrastructure, and operations teams.
Key Responsibilities
Lead the Mainframe SRE team, providing technical direction, mentoring, and performance guidance
Own the reliability, availability, and resilience of mainframe environments (z/OS and related subsystems)
Define and implement SRE practices such as SLIs, SLOs, SLAs, error budgets, and reliability metrics
Drive automation to reduce manual operations, improve recovery time, and enhance system stability
Oversee monitoring, alerting, and observability for mainframe systems using modern and legacy tools
Lead incident management, root cause analysis (RCA), and post-incident reviews
Partner with application development teams to improve reliability, performance, and deployment practices
Plan and execute capacity management, performance tuning, and workload optimization
Ensure compliance with security, regulatory, and audit requirements
Lead disaster recovery (DR) planning, testing, and high-availability strategies
Champion continuous improvement, DevOps, and SRE culture within mainframe operations
________________________________________
Required Qualifications
10 years of experience in mainframe systems engineering or operations
Strong hands-on expertise with IBM z/OS
Experience with core mainframe components such as:
- CICS, IMS, DB2
- JES2/JES3
- MQ, SMF, SDSF
Experience leading production support and managing major incidents
Strong scripting and automation skills (REXX, JCL, CLIST, Python, or equivalent)
Familiarity with monitoring and scheduling tools (e.g., OMEGAMON, CA/BMC tools, Control-M)
________________________________________
Preferred Qualifications
Experience applying SRE principles in a mainframe or hybrid (mainframe distributed) environment
Exposure to DevOps, CI/CD, and automation frameworks
Knowledge of Linux on Z and cloud integration patterns
Experience with resilience engineering, chaos testing, or fault injection concepts
Prior people-lead or technical-lead experience