Mainframe IMS Systems Programmer

Hire'in Solutions; Plano (TX); On-site; USD 120,000 - 150,000; Full time

Job summary

Hire'in Solutions seeks an experienced Mainframe IMS Systems Programmer / DBA to manage IMS DB and IMS TM on z/OS. You will ensure high availability, performance, and security while coordinating with DB2, MQ, CICS, and TCP/IP environments.

You will install, upgrade, patch, and tune subsystems; manage definitions and configurations; monitor performance and resolve issues; and participate in DR planning. Strong ITIL and ServiceNow workflow experience is required.

Qualifications

• Experienced with IMS DB/IMS TM on mainframe z/OS systems.
• Strong skills in tuning, performance monitoring, and troubleshooting.
• Familiar with ITIL processes and ServiceNow change management.
• Ability to design and maintain disaster recovery plans and backups.

Responsibilities

• Install, configure, and maintain IMS DB and IMS TM subsystems on z/OS.
• Perform version upgrades, maintenance, and security patching.
• Manage IMS definitions: DBDs, PSBs, ACBs, and control regions.
• Tune buffers, parameters, and storage for peak performance.
• Monitor IMS and participate in bottleneck resolution.
• Troubleshoot complex issues using logs, dumps, and abends.
• Support backup/recovery strategies and DR testing.
• Coordinate IMS integration with z/OS, DB2, MQ, CICS, TCP/IP, and Parallel Sysplex.
• Document configurations and procedures; follow ITIL-change workflows.

Skills

Mainframe IMS expertise

DBA skills

System tuning

Troubleshooting

Disaster recovery planning

Documentation

ITIL/ServiceNow

Tools

IMS DB

IMS TM

z/OS

DB2

CICS

MQ

TCP/IP

Parallel Sysplex

Job description

Locations: Plano, TX/Pennington, NJ/Phoenix, AZ/Charlotte, NC/Chicago, IL/Jacksonville, FL (TX is TOP)

Position Summary

We are seeking an experienced Mainframe IMS Systems Programmer / DBA to manage, maintain, and optimize our z/OS mainframe environments. In this role, you will be responsible for ensuring the high availability, performance, and security of our IMS Database (IMS DB) and IMS Transaction Manager (IMS TM) subsystems. The ideal candidate will possess deep technical expertise in database administration, system tuning, troubleshooting, and integration with modern enterprise tools.

Key Responsibilities

• Subsystem Management: Install, configure, and maintain IMS DB and IMS TM subsystems on Mainframe z/OS platforms.
• Lifecycle & Maintenance: Perform version upgrades, routine maintenance, and security patching to guarantee system stability and currency.
• System Definitions: Manage and maintain IMS system definitions, including DBDs, PSBs, ACB libraries, and control regions.
• Performance Tuning: Configure and tune buffer pools, system parameters, and storage resources to ensure peak processing performance.
• Monitoring & Optimization: Monitor IMS database and transaction performance to proactively identify and resolve bottlenecks before they impact business operations.
• Incident & Problem Resolution: Troubleshoot complex system and database issues by analyzing system logs, dumps, abends, and error reports.
• Backup & Recovery: Support IMS utilities, implement robust backup/recovery strategies, and actively participate in disaster recovery (DR) planning and testing.
• Environment Integration: Coordinate seamless integration and communication between IMS and related environments, including z/OS, DB2, MQ, CICS, TCP/IP, and Parallel Sysplex.
• Change Management: Implement updates following established ITIL guidelines and use ServiceNow change management workflows to document system changes.
• Documentation: Create and maintain thorough, accurate technical documentation regarding configurations, architecture changes, and standard operating procedures.