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
Applicant Notices & Disclaimers
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At SPECTRAFORCE, we are committed to maintaining a workplace that ensures fair compensation and wage transparency in adherence with all applicable state and local laws. This position’s starting pay is: $ 37.00/hr.
