CICS z/OS Systems Engineer (CICS Liberty Infrastructure)

VMC Soft Technologies, Inc; Chennai District; On-site; INR 3,500,000 - 5,500,000; Full time

Job summary

VMC Soft Technologies, Inc. is seeking a highly experienced CICS z/OS Systems Engineer with strong expertise in IBM CICS System Administration and IBM WebSphere Liberty (CICS Liberty).

The role focuses on configuring, administering and optimizing CICS environments on z/OS, supporting modern Java runtimes within CICS Liberty, and ensuring secure, high-availability mainframe infrastructure. The candidate will work on security integration (RACF), performance tuning, and production support,

Qualifications

• 7+ years of experience in mainframe environments.
• Hands-on expertise in CICS z/OS administration and Liberty integration.
• Experience with z/OS infrastructure, security integration, and performance tuning.

Responsibilities

• Install, configure and maintain IBM CICS Transaction Server on z/OS.
• Manage CICS region creation, startup/shutdown, cloning and maintenance.
• Configure CICS resources including transactions, programs, files, queues and connections.
• Perform CICS upgrades, patching and migrations.
• Monitor and optimize CICS performance across production environments.

Tools

IBM z/OS

CICS Transaction Server

CICS System Programming

CICS Region Administration

CICS Performance Tuning

WebSphere Liberty

CICS Liberty

RACF Security

Job description

Job Description CICS z/OS Systems Engineer (CICS Liberty Infrastructure) Position Details

Role: CICS z/OS Systems Engineer / CICS Liberty Infrastructure Engineer

Experience: 7+ Years

Location: Bangalore / Chennai / Gurgaon

Employment Type: Full-Time

Role Overview

We are seeking a highly experienced CICS z/OS Systems Engineer with strong expertise in IBM CICS System Administration, IBM WebSphere Liberty (CICS Liberty), z/OS infrastructure, and enterprise security integration. The ideal candidate should possess hands-on experience in configuring, administering, and optimizing CICS environments, supporting modern Java runtimes within CICS Liberty, and ensuring secure, high-availability mainframe infrastructure.

The role requires deep expertise in CICS system administration rather than application development, with exposure to enterprise security, performance tuning, troubleshooting, modernization initiatives, and production support.

Key Responsibilities CICS z/OS Administration

• Install, configure, administer, and maintain IBM CICS Transaction Server on z/OS.
• Perform CICS region creation, startup, shutdown, cloning, and maintenance.
• Configure CICS resources including transactions, programs, files, queues, and connections.
• Perform CICS upgrades, patching, and version migrations.
• Monitor and optimize CICS performance across production environments.

IBM WebSphere Liberty (CICS Liberty)

• Install, configure, and administer IBM WebSphere Liberty runtime within CICS.
• Configure Liberty server.xml, JVM profiles, features, and application deployment.
• Deploy Java applications into CICS Liberty runtime.
• Configure SSL/TLS, certificates, and secure communication.
• Troubleshoot Liberty startup, deployment, and runtime issues.

z/OS System Engineering

• Support enterprise z/OS environments.
• Perform system monitoring, capacity planning, and performance tuning.
• Analyze SMF, RMF, and system logs.
• Coordinate with z/OS infrastructure teams during maintenance and upgrades.

Security & Integration

• Implement RACF security for CICS and Liberty environments.
• Configure SAF, SSL certificates, authentication, and authorization.
• Support secure API integration with distributed systems.
• Implement enterprise security policies and compliance requirements.

Modernization & Integration

• Support REST APIs and web services hosted on CICS Liberty.
• Integrate CICS applications with enterprise middleware.
• Support Java-based modernization initiatives on the mainframe.
• Collaborate with distributed application teams for hybrid integration.

Operations & Support

• Provide L2/L3 production support.
• Participate in 24 7 on-call rotation.
• Perform incident, problem, and change management.
• Conduct Root Cause Analysis (RCA) for production incidents.
• Prepare operational documentation and standard operating procedures.

Required Technical Skills Mainframe

• IBM z/OS Administration
• IBM CICS Transaction Server
• CICS System Programming
• CICS System Administration
• CICS Region Administration
• CICS Performance Tuning