Mainframe System Programmer - z/OS

DXC Technology Company; Petaling Jaya; On-site; MYR 140,000 - 220,000; Full time

Job summary

DXC Technology seeks a Mainframe System Programmer - z/OS to maintain, install, document, and customize the mainframe OS and software. You will diagnose system issues, implement changes, and coordinate with vendors and project teams to ensure high availability and optimized performance.

You will work with z/OS teams to support installations, SMPE processes, and DR planning, ensuring robust operations for global clients with complex environments.

Qualifications

• Bachelor’s degree.
• 10+ years of experience in this role.
• Solid z/OS Operating System installation and maintenance.
• Proficient in JCL, REXX and HLASM.
• Understanding of z/OS services structure, JES concepts, sysplex, Unix System Services, VTAM, TCP/IP, IODF/HCD.
• Disaster Recovery planning.
• Experience administering 3rd party vendor print packages.

Responsibilities

• Provide technical support to clients and other client service lines.
• Perform z/OS systems programming activities and coordinate project resources for 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 installation and execution of vendor supplied software products for the mainframe environment.
• Conduct planning and establish best practices for z/OS vendor product environments.
• Analyze technical system changes to determine impacts and ensure continued operations.

Skills

z/OS

JCL

REXX

HLASM

sysplex

JES

VTAM

TCP/IP

SMPE

Disaster Recovery

Unix System Services

Education

Bachelor's degree

Tools

SMPE

Non-SMPE

Job description

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.

DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world's most complex technology estates. Learn more on dxc.com.