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Senior Mainframe Systems Programmer - ISV z/OS-2

1 day, 11 hours ago
United States
Full-time
Senior
Systems Engineer
DevOps and Infrastructure
Apply Now
Ensono

Ensono

Ensono provides comprehensive hybrid IT solutions and governance, enabling businesses to navigate complexity and modernize their technology infrastructure, from cloud services to mainframe systems, tailored to each client's unique journey.

IT Services
1K-5K
Founded 1969
View All Jobs 55

Description

  • 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, proof-of-concepts, and technical comparisons of replacement tools.
  • Plan and execute product migration and conversion activities, including configuration changes, data conversions, and operational cutovers.
  • Manage software maintenance using SMP/E, including RECEIVE, APPLY, ACCEPT, USERMODs, and related maintenance tasks.
  • Troubleshoot and resolve installation, integration, and runtime issues for ISV software.
  • Collaborate with application teams, operations staff, and vendors to diagnose system and product issues.
  • Develop and maintain installation documentation, procedures, and migration runbooks.
  • Support capacity planning, performance tuning, and operational support for ISV tools.
  • Participate in 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.

Requirements

  • Extensive experience as a z/OS Systems Programmer supporting enterprise mainframe environments.
  • Strong background in installation and maintenance of ISV mainframe software products.
  • Hands-on experience with SMP/E software installation and maintenance processes.
  • Experience performing product migrations or conversions between competing vendor tools.
  • Strong troubleshooting and diagnostic skills across the z/OS platform.
  • Experience with IBM utilities and system tools commonly used in z/OS environments.
  • Working knowledge of TSO/ISPF environments and utilities.
  • Experience supporting multi-vendor ISV ecosystems in production mainframe environments.
  • Ability to analyze system documentation, vendor materials, and product architectures.
  • Preferred experience replacing ISV mainframe products with alternative vendor solutions.
  • Familiarity with ISV categories such as output management, security, scheduling, storage management, performance monitoring, database tools, and automation operations.
  • Experience working with vendor support organizations to resolve complex technical issues.
  • Knowledge of z/OS system internals, JES, RACF, and subsystem integration.
  • Experience with automation, scripting, or operational tooling in the z/OS environment.
  • Strong analytical and problem-solving skills.
  • Ability to manage complex migrations and product transitions in production environments.
  • Excellent documentation and communication skills.
  • Self-motivated with the ability to work independently or as part of a systems engineering team.
  • Ability to work on multiple client projects at the same time.

Benefits

  • Unlimited Paid Days Off.
  • Three health plan options.
  • 401(k) with company match.
  • Dental, vision, short- and long-term disability, life, and AD&D coverage, plus flexible spending accounts.
  • Family forming benefits, including fertility coverage and adoption/surrogacy reimbursement.
  • Paid childbearing and paternal leave.
  • Education reimbursement, student loan assistance, or 529 college funding.
  • Sabbatical leave.
  • Wellness program.
  • Flexible work schedule and remote work flexibility when client needs allow.
  • Annual bonus plan or role-based sales-incentive plan, depending on eligibility.
  • Equity grant under the Associate Equity Appreciation Program.

Interested in this position?

Apply directly on the company website

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