Senior Mainframe Engineer — Onsite, Dearborn

Stefanini, Inc; Dearborn (MI); Hybrid; USD 84,000 - 91,000; Full time

Job summary

Stefanini Group in Dearborn, MI is seeking a seasoned Mainframe Engineer to design, operate, and optimize enterprise servers, including IBM z/OS platforms, RACF, and ISV integrations. This on-site role supports capacity planning, resource optimization, and disaster recovery planning for long-term workloads.

You will implement complex infrastructure solutions, maintain virtualization, and monitor resources to ensure security, performance, and cost control.

Qualifications

• 10+ years of IT experience with 8+ years in development.
• MainframeSystems and z/OS expertise.

Responsibilities

• Design, operate, and maintain enterprise servers including mainframe systems.
• Configure secure virtualized environments and manage ISV software integrations.
• Provide off-hours support for disaster recovery planning and testing.
• Analyze, debug, and resolve z/OS software problems.

Skills

Assembler

REXX

JCL

TSO

ISPF

SAS coding

Education

Bachelor's degree

Master's degree

Tools

SMP/E

MVS/JES

Job description

Stefanini Group in Dearborn, MI is seeking a seasoned Mainframe Engineer to design, operate, and optimize enterprise servers, including IBM z/OS platforms, RACF, and ISV integrations. This on-site role supports capacity planning, resource optimization, and disaster recovery planning for long-term workloads.

You will implement complex infrastructure solutions, maintain virtualization, and monitor resources to ensure security, performance, and cost control.