Mainframe System Programmer - z/OS
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 13, 2026. DXC Technology scores A on the Alion truth index.
Job Description:
We are looking for Mainframe System Programmer - z/OS, the candidate will work to maintain, install, document and customize the mainframe operating system and installed software. The candidate will be required to diagnose system and performance problems, execute configuration changes, implement vendor supplied software and work on project related tasks.
Technical Delivery:
- Responsibilities include (but not limited to):
- Provide technical support to clients and other clients service lines.
- Perform z/OS systems programming activities and coordinate project resources needed to complete software maintenance and installation schedules.
- Ensure software is operating at supported and optimized levels.
- Work with z/OS administrators to analyze and resolve root cause issues.
- Provide on-call support as required for products supported by the team.
- Plan, support and manage the installation and execution of infrastructure and vendor supplied software products for the mainframe environment.
- Partake in planning and establishing of best practices for the z/OS vendor product environments.
- Analyze technical system changes and improvements made to the system software in order to determine impacts related to existing systems and guarantee continued operations and availability of systems.
- Knowledge and skills required:
- Solid z/OS Operating System installation and maintenance.
- Installing, upgrading, and maintaining any software products of IBM and 3rd party vendor products
(ISVs) as per client’s request or business requirements by both SMPE and NON-SMPE method.
- Proficient in JCL coding skills, REXX and HLASM programming languages.
- Solid problem determination and resolution skills for operating system and program products with an understanding of system monitoring tools.
- Experienced in supporting multiple client mainframe workloads.
- Understanding of z/OS services structure, JES concepts, sysplex configuration, Unix System Services, Comm Server (VTAM, TCP/IP, system catalog structures, and IODF/HCD).
- Solid understanding of Disaster Recovery planning. Experienced administrating 3rd Party vendor print packages.
Qualifications:
- Bachelor’s degree.
- 10+ years of experience in this role
At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.
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