Senior ISV z/OS Mainframe Migration Lead (Remote)

Ensono; Miami (FL); Remote; USD 85,000 - 148,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Health plan options

401k with company match

Dental/Vision/Life/Disability coverage

Family Forming Benefit

Leave benefits

Education Reimbursement / Student Loan

Sabbatical leave

Wellness program

Flexible schedule

Job summary

Ensono is seeking an experienced ISV z/OS Systems Programmer to install, maintain, and migrate ISV software in a z/OS mainframe environment. The role emphasizes evaluating product options, performing migrations, and ensuring operational stability.

You will work with ISV vendors, operations, and app teams to implement changes with minimal disruption. The position supports primarily remote work, with client-site flexibility as needed, and offers opportunities to influence product lifecycle,

Qualifications

• Extensive experience as a z/OS Systems Programmer.
• Installation and maintenance of ISV mainframe software products.
• SMP/E installation and maintenance processes.
• Product migrations or conversions between competing vendor tools.
• Troubleshooting and diagnostic skills across the z/OS platform.
• IBM utilities and system tools.
• TSO/ISPF environments and utilities.
• Multi-vendor ISV ecosystems in production mainframe environments.
• Ability to analyze system documentation and vendor materials.

Responsibilities

• Install, configure, maintain, and upgrade third-party ISV software in a z/OS environment.
• Lead initiatives to replace mainframe products with alternative vendor solutions.
• Perform evaluations, proofs-of-concepts, and comparisons of replacement tools.
• Plan and execute migrations and data conversions with cutovers.
• Maintain software using SMP/E including RECEIVE, APPLY, ACCEPT, USERMODs.
• Troubleshoot ISV software installations, integrations, runtime problems.
• Collaborate with app teams, operations, and vendors to diagnose issues.
• Develop installation docs, procedures, migration runbooks.
• Assist in capacity planning and performance tuning.
• Support incident resolution and root cause analysis for ISV issues.
• Evaluate compatibility of new z/OS releases with ISV products.

Skills

z/OS Systems Programmer

SMP/E installation

ISV mainframe software

Product migration/conversion

TSO/ISPF

IBM utilities

Troubleshooting

Tools

SMP/E

JES

RACF

IBM utilities

Job description

Ensono is seeking an experienced ISV z/OS Systems Programmer to install, maintain, and migrate ISV software in a z/OS mainframe environment. The role emphasizes evaluating product options, performing migrations, and ensuring operational stability.

You will work with ISV vendors, operations, and app teams to implement changes with minimal disruption. The position supports primarily remote work, with client-site flexibility as needed, and offers opportunities to influence product lifecycle,