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Mainframe zOS Support Engineer

Remote • Posted 1 hour ago • Updated 1 hour ago

Contract W2

61 Months

No Travel Required

Remote

$38/hr

Fitment

Dice Job Match Score™

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Job Details

Skills

"Mainframe Support Engineer"
"Mainframe Production Support"
"zOS Support Engineer"
"Mainframe Operations"
zOS
"IBM zOS"
JCL
"Job Control Language"
CICS
DB2
MQ
VSAM
"Control-M"
"CA-7"
OPC
TWS
"batch monitoring"
"batch support"
scheduling
ABEND
troubleshooting
"production support"
"incident management"

Summary

Job Title: Mainframe zOS Support Engineer
Location: Remote – USA
Duration: ~61 Months (5 years 1 Month)

Job Summary
We are seeking an experienced Mainframe zOS Support Engineer to provide end-to-end production support for enterprise mainframe environments. The ideal candidate will have strong experience in zOS operations, batch job monitoring, incident management, and troubleshooting production issues within large-scale mainframe systems.
This role requires hands-on expertise in JCL, batch scheduling tools, CICS, DB2, MQ, VSAM, and system monitoring. The candidate will work closely with application, infrastructure, and support teams to ensure system stability, performance, and high availability.

Key Responsibilities
Mainframe Production Support

Monitor zOS system health, performance, and batch processing activities
Handle production incidents, service requests, and critical severity issues
Perform root cause analysis (RCA) and implement permanent fixes
Provide ongoing support for enterprise mainframe environments

Batch Operations & Scheduling

Support JCL execution, batch job monitoring, and ABEND troubleshooting
Work with scheduling tools such as Control-M, CA-7, OPC/TWS
Ensure successful batch processing and timely issue resolution

System & Application Support

Support and maintain CICS, DB2, MQ, VSAM, datasets, and related subsystems
Coordinate with application teams for deployments, fixes, and environment support
Troubleshoot data transfer and FTP/SFTP-related issues

Incident, Change & Problem Management

Follow ITIL processes for incident, problem, and change management
Participate in CAB meetings and production release activities
Maintain compliance with operational and audit standards

Environment & Performance Management

Conduct daily and weekly health checks for zOS, CICS, DB2, and storage systems
Identify performance bottlenecks and optimize job execution
Monitor system availability and operational stability

Required Skills
Core Mainframe Skills

IBM zOS operations and system monitoring
JCL
TSO/ISPF
SDSF
CICS
DB2
MQ
VSAM
FTP/SFTP
RACF (basic understanding)

Scheduling & Operations

Control-M
CA-7
OPC/TWS
Batch job monitoring and scheduling
ABEND troubleshooting

Process & Support

Production support experience
Incident management
Root Cause Analysis (RCA)
ITIL process knowledge

Experience Required

10+ years of Mainframe production support experience
Strong enterprise support and troubleshooting background
Experience supporting mission-critical production environments

Preferred Qualifications

Experience in large enterprise environments
Strong communication and coordination skills
Ability to work in support/on-call environments
Experience working with cross-functional infrastructure and application teams

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10119021
Position Id: 56066-1
Posted 1 hour ago

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