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 secure 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
Solid 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.
Robust 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 Telangana
🏢 Infosys
📍 Telangana