Senior z/OS Systems Engineer - Mainframe

U.S. Bank; Chicago (IL); On-site; USD 105,000 - 124,000; Full time

Benefits offered by this job

Healthcare

Retirement plan

Paid vacation

11 holidays

Disability insurance

Job summary

U.S. Bank is seeking a z/OS Systems Programmer with extensive mainframe experience, focusing on installation, upgrading, tuning and troubleshooting z/OS and third-party software.

You’ll support multiple systems in a robust mainframe environment and lead projects across teams to modernize our z/OS infrastructure. Responsibilities include installing and maintaining z/OS in Sysplex environments, deploying SMP/E, and ensuring DR readiness.

Qualifications

• Bachelor’s degree or equivalent work experience.
• At least 5 years of experience within a total information technology (IT) environment.
• At least 10 years of experience with the design, development and support of technology infrastructure.

Responsibilities

• Lead the installation, configuration, maintenance, and lifecycle management of IBM z/OS operating systems across multiple Sysplex environments and data centers.
• Develop, standardize, and execute z/OS upgrade, migration, and maintenance methodologies using SMP/E for software installation and updates.
• Troubleshoot and resolve complex z/OS system, performance, and infrastructure issues, providing root cause analysis and long-term solutions.
• Administer and support critical mainframe subsystems including JES2, CICS, IMS, MQ, and Db2.
• Collaborate with storage, security, networking, application development, and capacity planning teams to ensure optimal system performance and availability.
• Configure and maintain IBM and third-party software products, including solutions from Broadcom (CA), BMC, and Compuware.
• Participate in Disaster Recovery (DR) planning, testing, and recovery exercises to ensure business continuity and platform resiliency.
• Manage and support mainframe hardware, coupling facilities, storage configurations, and GDPS environments.
• Maintain comprehensive system documentation, configuration standards, operational procedures, and technical diagrams.
• Provide 24x7 production support and on-call coverage as part of a rotating support model.

Skills

z/OS expertise

Sysplex know-how

SMP/E deployment

CICS

IMS

JES2

MQ

Db2

RACF security

RMF/MainView

DR planning

REXX scripting

Education

Bachelor's degree or equivalent

Tools

Broadcom (CA)

BMC

Compuware

Job description

U.S. Bank is seeking a z/OS Systems Programmer with extensive mainframe experience, focusing on installation, upgrading, tuning and troubleshooting z/OS and third-party software.

You’ll support multiple systems in a robust mainframe environment and lead projects across teams to modernize our z/OS infrastructure. Responsibilities include installing and maintaining z/OS in Sysplex environments, deploying SMP/E, and ensuring DR readiness.