Mainframe Systems Specialist: z/OS, CICS & DB2

O2 Technologies,Inc; Chapel Hill (NC); On-site; USD 90,000 - 130,000; Full time

Job summary

O2 Technologies,Inc seeks a skilled Mainframe Administrator to manage Z/OS environments and maintain high-availability operations. You will handle system management, configuration, and release processes using Endevor, ensuring stability across critical mainframe workloads.

The role requires hands-on expertise with CICS, DB2, IMS, JCL, MQ, and related tooling, plus strong SQL performance tuning capabilities. A Bachelor’s degree in CS/IT/CE is expected; Master’s degree preferred for advanced roles.

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field.
• Master's degree in CS/IS/CE preferred.

Responsibilities

• Z/OS System Management.
• Mainframe Configuration Management.
• Release Management (Endevor).
• SQL Performance Tuning.
• DB2 Administration & Utilities.
• CICS Administration & Debugging.
• Middleware Integration (MQ).
• IMS Application Support.
• JCL Development & Maintenance.
• Mainframe Operations Expertise.

Skills

Mainframe knowledge

Release management

Education

Bachelor's Degree in CS/IT/Engineering

Master's degree preferred

Tools

Z/OS

CICS

DB2

Endevor

IMS

JCL

MQ

Elixir

SQL

Job description

O2 Technologies,Inc seeks a skilled Mainframe Administrator to manage Z/OS environments and maintain high-availability operations. You will handle system management, configuration, and release processes using Endevor, ensuring stability across critical mainframe workloads.

The role requires hands-on expertise with CICS, DB2, IMS, JCL, MQ, and related tooling, plus strong SQL performance tuning capabilities. A Bachelor’s degree in CS/IT/CE is expected; Master’s degree preferred for advanced roles.