Job Description:

We are seeking a Mainframe Engineer to support and modernize hybrid environments spanning IBM z/OS Mainframe and Oracle Cloud Infrastructure (OCI). This role applies SRE principles—including automation, reliability engineering, incident management, and continuous improvement—to ensure the availability and performance of mission-critical systems.

The ideal candidate has deep expertise in IBM z/OS, CA-IDEAL, and COBOL batch applications, with an interest in integrating and modernizing legacy workloads using OCI and cloud-native technologies

.
Key Responsibiliti

- esEnsure the reliability, availability, and performance of IBM Mainframe and OCI environment
- s.Define and manage SLIs, SLOs, and error budget
- s.Automate operational tasks using Python, Go, REXX, or similar technologie
- s.Participate in on-call support, incident response, root cause analysis, and postmortem
- s.Administer IBM z/OS environments, including JES, RACF, WLM, SMF, and performance tunin
- g.Support and maintain CA-IDEAL online applications and COBOL batch workloads, including JCL, DB2/VSAM, and batch schedulin
- g.Troubleshoot hybrid cloud integrations between OCI and mainframe platform




- s.Improve operational efficiency through automation and reliability best practice
- s.Support disaster recovery, capacity planning, and performance optimizatio

n.
Must have

- s: 6+ years of experience in Site Reliability Engineering, Mainframe Administration, or Systems Engineeri
- ng.Strong experience administering IBM z/OS environmen
- ts.Hands-on experience supporting CA-IDEAL and COBOL batch applicatio
- ns.Experience with JCL, DB2, VSAM, and enterprise batch scheduli
- ng.Scripting or programming experience (Python, Go, REXX, or simila
- r).Experience supporting hybrid cloud environments, preferably Oracle Cloud Infrastructure (OC
- I).Robust troubleshooting, automation, and performance tuning skil

ls.
Nice to h

- avesExperience integrating IBM Mainframe environments with
- OCI.Knowledge of CICS, IMS, Datacom, or DB2 on z
- /OS.Familiarity with Google SRE practices (SLOs, error budgets, toil reducti
- on).Experience with mainframe modernization or cloud migration initiati
- ves.IBM z/OS or OCI certifications are a p
- lus.Bachelor's degree in Computer Science, Engineering, or equivalent experie

nce.

📌 Mainframe Developer (India)
🏢 The Functionary
📍 India