z/OS ISV Migration Architect

Ensono; Downers Grove (IL); Hybrid; USD 85,000 - 148,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

401k with company match

Dental & Vision coverage

Education Reimbursement

Sabbatical leave

Wellness program

Job summary

Ensono is seeking an experienced ISV z/OS Systems Programmer to install, maintain, and migrate ISV products in a mainframe environment. The role emphasizes evaluating and replacing mainframe software with alternate vendor solutions while ensuring stability and performance.

The ideal candidate will have deep z/OS systems programming knowledge, SMP/E expertise, and hands-on experience with ISV product lifecycles, migrations, and IBM utilities.

Qualifications

• Extensive experience as a z/OS Systems Programmer.
• Installation and maintenance of ISV mainframe software products.
• SMP/E software installation and maintenance processes.
• Experience migrating or converting ISV tools between vendors.
• Strong troubleshooting across the z/OS platform.
• Experience with IBM utilities and system tools.
• Working knowledge of TSO/ISPF environments.
• Experience with multi-vendor ISV ecosystems in production environments.
• Ability to analyze vendor materials and product architectures.

Responsibilities

• Install, configure, maintain, and upgrade third-party ISV software products in a z/OS environment.
• Lead initiatives to replace mainframe products with alternative vendor solutions.
• Perform product evaluations, proofs-of-concepts, and technical comparisons of replacement tools.
• Plan and execute product migration and conversion activities, including configuration changes and data conversions.
• Maintain software using SMP/E, including RECEIVE, APPLY, ACCEPT, USERMODs.
• Troubleshoot ISV installations, integrations, and runtime problems.
• Develop and maintain installation documentation, procedures, and migration runbooks.
• Assist in capacity planning, performance tuning, and operational support for ISV tools.
• Support incident resolution and root cause analysis for production issues involving ISV software.
• Evaluate compatibility and impact of new z/OS releases on installed ISV products.

Skills

z/OS

ISV software

SMP/E

TSO/ISPF

IBM utilities

mainframe migration

problem solving

Tools

JES

RACF

Job description

Ensono is seeking an experienced ISV z/OS Systems Programmer to install, maintain, and migrate ISV products in a mainframe environment. The role emphasizes evaluating and replacing mainframe software with alternate vendor solutions while ensuring stability and performance.

The ideal candidate will have deep z/OS systems programming knowledge, SMP/E expertise, and hands-on experience with ISV product lifecycles, migrations, and IBM utilities.