Mainframe Systems Engineer

Tekskills Inc.; Bengaluru; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Tekskills Inc. seeks an experienced System Administrator to manage mission-critical mainframe environments in Chennai. The role requires strong hands-on expertise with z/OS, JES2, RACF/ACF2, and IBM utilities, with a focus on reliability and DR readiness. You will drive performance, automation, and upgrades for complex workloads.

The ideal candidate has 5+ years delivering IT infrastructure in a mainframe context and will collaborate with global teams on capacity planning and incident resolution.

Qualifications

• Solid experience (5+ years) in delivery roles within IT Infrastructure.
• Expertise in mainframe hardware and peripherals, z/OS and related utilities.
• Experience in disaster recovery setup and DR drills.
• Knowledge of IBM Workload Scheduler and CA7 for job scheduling.

Responsibilities

• Manage and monitor mainframe environments (z/OS, JES2, RACF/ACF2).
• Perform capacity planning and performance tuning for mainframe workloads.
• Lead DR drills and disaster recovery execution.
• Collaborate on migrations, upgrades, and automation tasks for mainframe systems.

Skills

Mainframe

Workload

Scheduler

Tools

RACF

ACF2

TSO/ISPF

JES2

VTAM

SMP/E

CA7

DFSMS

HMC

OMVS

Job description

Job Title: System Administrator

Work Location: CHENNAI, TN

Skills Required: MAINFRAME, WORKLOAD, SCHEULER

Experience: 5 -12 Years

Job Description:

• Solid experience (5+ years) in delivery roles within IT Infrastructure

Technical requirements

• Strong hands on IPL / POR procedures and Automation
• Good Knowledge in mainframe hardware and associated peripherals, z/OS, JES2, TSO / ISPF, DFSMS, VTAM, SMP/E, User Mods, RACF, HMC, HCD, and VTAM and commands
• Strong knowledge in RACF / ACF2 to audit the privileges
• Strong knowledge in IBM/ISV Utilities, Tools OMEGAMON, Mainview, Sysview
• Experience in DASD storage management and tools DFHSM, $AVRS and dispatch tools
• Strong knowledge in REXX, CLIST, JCL, OMVS, IBM Workload Scheduler, CA7
• Experience in disaster recovery setup and conducting DR drills.
• Mainframe Capacity Planning & Performance Tuning as per business needs
• Experience in Value-Add services, such as MIPS Optimization, Software rationalization,
  Specialty Engines
• Mainframe migration, Version Upgrade & Automation activities (REXX, CLIST, Assembler, other)
• Experience in handling complex escalated issues