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# Mainframes Developer

- **Company:** SDH Systems LLC
- **Location:** Dallas, United States
- **Contract:** Permanent contract
- **Skills:** CLIST, Job Control Language (JCL), Rexx (Programming Language), Interactive System Productivity Facility (ISPF), Mainframes, Performance Tuning, Proprietary Software, Broadcom, System Programming, Z/OS, Data Storage Management
- **Published:** August 12, 2026
- **Apply:** https://www.dice.com/job-detail/0452394b-09fc-430f-b31f-a0535be3476d

## About the Role

* 12+ years of professional work experience as a Mainframe System Programmer in zOS & ISVs.
 * Expertise in performing SMP/E and Non-SMPE Installation of ISV products.
 * Expertise in IBM and Broadcom Software product Install and Upgrades.
 * Mastery of z/OS system commands, utilities, and automation tools.
 * Operating system z/OS V2.5 upgrades or later with z/OSMF workflow execution.
 * IODF, HCD Skillset to add new devices.
 * Fluent in JCL and IBM Utilities (IEBGENER/IEBCOPY/AMASPZAP/DFDSS).
 * ISPF/TSO and other basic.
 * Basic knowledge of REXX/CLIST.
 * Designing project plan (upgrades, maintenance, decom) with task list for all stakeholders and communicating the timelines with delivery and customer.
 * Formulate roadmaps with all pre-requisites to achieve project completion.

## Description

This position is for a Mainframes Developer who will be responsible for performing standard system programming activities, configuration, installation, and maintenance using SMP/E, as well as advanced system management tasks in the mainframe environment. The ideal candidate will have expertise in IBM and Broadcom software products, z/OS system commands, utilities, and automation tools., * Perform standard system programming activities like configuration, installation & maintenance using SMP/E, and vendor software installations in the mainframe environment.

 * Perform Operating System upgrade and RSU maintenance via z/OSMF Workflow.
 * Architect, install, and configure highly complex z/OS environments and third-party software.
 * Support Software Standardization and new Feature implementations.
 * Support storage management, performance tuning, capacity planning, security, networking, and operating procedures from zOS perspective.
 * Collaborate with Mainframe System Programmers across tracks to enhance the mainframe environment.
 * Assist team members in problem-solving, making innovative improvements, and decision-making.
 * Identify and implement system and process improvements in the z/OS environment.
 * Work with application support teams and internal customers to facilitate business initiatives.


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