Senior Mainframe Systems Programmer – ISV z/OS

🕒 June 26

🇺🇸 United States – Remote

💵 $85k - $148k / year

⏰ Full Time

🟠 Senior

🖥 Software Engineer

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Ensono

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

💼 Consulting

Consulting • Cloud Services • IT Services

Ensono is a managed service provider and expert technology advisor focused on enabling clients to navigate complex IT environments. Ensono offers services including mainframe-as-a-service, cloud migration, and IT infrastructure management, with a strong emphasis on modernizing legacy systems and optimizing IT operations. The company is recognized for its flexibility and allyship, providing businesses with the ability to adapt and evolve through solutions like Ensono Flex®. It specializes in both mainframe and cloud solutions, holding competency in AWS mainframe modernization and is a global Azure Expert MSP. Ensono acts as an ally, helping companies achieve better business outcomes through IT innovation and strategic technology advisement.

📋 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. • Maintain and manage software using SMP/E, including RECEIVE, APPLY, ACCEPT, USERMODs, and maintenance management. • Troubleshoot and resolve issues related to ISV software installations, integrations, and runtime problems. • Work with application teams, operations, and vendors to diagnose system or product issues. • 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 participate in 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. • High-level 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.

🏖️ Benefits

• Unlimited Paid Days Off • Three health plan options • 401k with company match • Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts • Family Forming Benefit 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