Mainframe z/OS Systems Programmer
First seen by Alion on Sep 25, 2026.
Are you a seasoned Mainframe z/OS Systems Programmer with expertise in z/OS and ISV environments? Join us to lead the way in architecting, installing, and maintaining complex z/OS systems. You'll drive critical upgrades, optimize performance, and innovate with cutting-edge tools like SMP/E, z/OSMF, and IBM Utilities. Collaborate with top-tier teams to deliver seamless system solutions, enhance operational efficiency, and shape the future of mainframe technology. If you're passionate about mastering z/OS, supporting enterprise-wide initiatives, and elevating system environments, this is your opportunity to make a significant impact!
Job Responsibilities :
- Perform standard system programming activities, such as configuration, installation & maintenance using SMP/E, as well as vendor software installations, in the mainframe environment.
- Perform Operating System upgrades and RSU maintenance via z/OSMF Workflow.
- Advanced System Management: Architect, install, and configure highly complex z/OS environments and third-party software.
- Support Software Standardization and new Feature implementations.
- Support other teams: storage management, performance tuning, capacity planning, security, networking, and operating procedures from a z/OS perspective.
- Work with Mainframe System Programmers staff across tracks to enhance the mainframe environment.
- Assist team members in solving problems, driving innovative improvements, and making decisions.
- Identify and implement system and process improvements in the z/OS environment.
- Work with application support teams and other internal customers to facilitate business initiatives.
Experience Level:
- 8+ years of professional experience as a Mainframe System Programmer in z/OS and ISVs.
Technical Key Skills (Mandatory Skills):
- Expertise in performing SMP/E and Non-SMPE Installation of ISV products.
- Expertise in IBM and Broadcom Software product installation 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.
- Sysplex and config management (good to have).
- Fluent in JCL and IBM Utilities (IEBGENER/IEBCOPY/AMASPZAP/DFDSS).
- ISPF/TSO and other basics.
- Basic knowledge of REXX/CLIST.
- Designing project plans (upgrades, maintenance, decom) with a task list for all stakeholders and communicating the timelines with delivery and the customer.
- Formulate roadmaps with all prerequisites to achieve project completion.
Benefits:
- Health Insurance, Accident Insurance.
- The salary will be determined based on several factors, including, but not limited to, location, relevant education, qualifications, experience, technical skills, and business needs.
Additional Responsibilities:
- Participate in OP monthly team meetings and participate in team-building efforts.
- Contribute to OP technical discussions, peer reviews, etc.
- Contribute content and collaborate via the OP-Wiki/Knowledge Base.
- Provide status reports to OP Account Management as requested.
About Us:
At OP, we help you harness the power of technology for maximum impact. A technology consulting and solutions company, we offer advisory and managed services, innovative platforms, and staffing solutions across a wide range of fields including AI, cyber security, enterprise architecture, and beyond. For nearly two decades, we've been challenging the status quo of the consulting industry, serving up fresh, ingenious thinking through a radically lean structure. Together, this strategy delivers unprecedented performance at an unparalleled pace for faster results that propel your business forward.
Skills
Mainframe, z/OS, System Configuration, System Programming, Workflows, JCL, Broadcom, Configuration Management