Senior Mainframe Z/OS Admin & Automation Specialist

TechDigital Group; Frisco (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

TechDigital Group is seeking an experienced mainframe System Programmer to troubleshoot complex z/OS environments, perform installation, configuration, and migration tasks, and ensure the highest uptime per SLA. The role emphasizes root-cause analysis, documentation, and ongoing improvements.

The position requires deep knowledge of z/OS components, security (RACF), and workload management, with a focus on reliability and proactive problem resolution for large-scale enterprise systems.

Qualifications

• Total experience 9–13 years in System Programming.
• More than 9 years in mainframe system programming.
• Strong understanding of z/OS services and JES concepts.

Responsibilities

• Troubleshoot technical issues and ensure successful installation, configuration, and migration.
• Maintain SLA adherence and monitor system uptime.
• Perform root-cause analysis and document findings.

Skills

z/OS expert

JCL/REXX/CLIST

RACF security

IMS/MQ

CICS/DB2

SMP/E

JES concepts

PARMLIB/JES customization

USS management

Mainframe performance tuning

Education

Bachelor's degree in Computer Science or equivalent

Tools

CA-View

CA-1 Tape Management

BMC InControl/CA-7

CA-MICS/SAS MXG

Job description

TechDigital Group is seeking an experienced mainframe System Programmer to troubleshoot complex z/OS environments, perform installation, configuration, and migration tasks, and ensure the highest uptime per SLA. The role emphasizes root-cause analysis, documentation, and ongoing improvements.

The position requires deep knowledge of z/OS components, security (RACF), and workload management, with a focus on reliability and proactive problem resolution for large-scale enterprise systems.