Production support - Mainframe

Common Stack & Tools

- Backend: JCL, COBOL, DB2, CICS
- Operating System: z/OS, OS/390, MVS
- Tools: CA7, ESP, ChangeMan, Endevor, SPUFI, File Manager

Mainframe Production Senior Support Engineer (35 yrs)

- Scope & Impact
- Contribute to the production support and operational stability of assigned applications/domains.
- Work closely with senior engineers and crossfunctional teams to ensure timely incident resolution and smooth daytoday operations.
- Provide technical insights around system behavior, performance, and recurring issues.

- Core Responsibilities
- Ensure stable production operations through active monitoring, alert handling, and proactive issue detection.
- Manage the incident lifecycle (P3–P5) including triage, analysis, coordination, and resolution under guidance for P1, P2 issues.
- Maintain and update runbooks, SOPs, playbooks, and knowledge base to support consistent operations.
- Support and enhance the observability setup—dashboards, alerts, logs, metrics.




- Provide operational support across L1/L2 activities and contribute to L3 investigation under guidance.
- Participate in oncall rotations and adhere to team schedules and workload priorities.
- Communicate effectively with business and engineering teams on incident updates, impact, and resolutions.
- Ensure compliance with change management, audit needs, and security standards.
- Track key operational metrics such as SLA adherence, MTTA, and MTTR.

- MustHave Skills
- Robust foundation in incident, problem, and change management processes (ITIL v4 exposure preferred).
- Familiarity with Changeman/similar version control tools
- Ability to read and debug mainframe code for issue diagnosis.
- Strong analytical skills and ability to work collaboratively within support teams.

- NicetoHave
- Experience with ServiceNow, ESP, and Rally.

Basic knowledge of Rex and automation scripting.

📌 Mainframe Production Support - Hydrabad - BV (Hyderabad)
🏢 Infosys
📍 Hyderabad