Zos System Programmer

Job Description z/OS Systems Programmer

Job Title: z/OS Systems Programmer
Primary Skills: IBM z/OS, Terraform
Role Type: Mainframe Systems Programming / Production Support

Job Summary

We are looking for an experienced z/OS Systems Programmer with strong hands-on expertise in IBM z/OS system administration, mainframe systems programming, ISV product support, and production support.

The candidate will be responsible for maintaining and upgrading the z/OS operating system and associated IBM/CA products, supporting production environments, performing problem determination, and providing technical support for software implementations and projects.

Key Responsibilities

z/OS Systems Programming

• Install, maintain, upgrade, and support the IBM z/OS operating system.
• Perform system software maintenance, configuration, and lifecycle activities.
• Support z/OS environments across development, testing, and production.
• Perform software changes, upgrades, migrations, and implementation activities.

ISV Product Support

• Install, maintain, upgrade, and troubleshoot IBM and CA (Computer Associates) products.
• Manage software dependencies, configurations, maintenance levels, and compatibility.
• Work independently on complex mainframe software issues.
• Coordinate with vendors and internal technical teams when required.

Production Support

• Provide L2/L3 production support for mainframe systems and software.
• Perform detailed problem determination, root-cause analysis, and issue resolution.
• Monitor system health and respond to production incidents.
• Participate in release, implementation, and maintenance activities.
• Provide off-hours support and participate in an on-call rotation.

Mainframe Tools & Technologies

Hands-on knowledge of:

• z/OS
• SMP/E
• TSO/ISPF
• USS (Unix System Services)
• SDSF
• JCL
• IBM and CA/Computer Associates products

Automation & Infrastructure

• Support automation of system administration and software maintenance activities.
• Work with Terraform for infrastructure/configuration automation where applicable.
• Contribute to standardization and automation of repeatable operational tasks.

Mandatory Skills

• IBM z/OS Systems Programming
• Extensive hands-on Mainframe Systems Programming experience
• z/OS, SMP/E, TSO/ISPF, USS, SDSF, JCL
• IBM and CA products
• Production support
• Strong problem determination and troubleshooting
• Terraform
• Ability to work independently in a production environment

Good to Have / Preferred Skills

• Assembler

• REXX

• CLIST

• GDPS

• Automation

• Top Secret

• Performance monitoring using:

• OMEGAMON

• RMF

• SMF

• SAS

Risk, Governance & Compliance

• Follow enterprise change, incident, and problem-management processes.
• Ensure compliance with applicable security, risk, and regulatory requirements.
• Support software implementation controls and maintain appropriate operational documentation.
• Contribute to business continuity, resilience, and operational risk management activities.

Candidate Profile

• Strong background in z/OS systems programming and mainframe infrastructure.
• Excellent troubleshooting and analytical skills.
• Good understanding of enterprise production environments.
• Strong written and verbal communication skills.
• Ability to explain complex technical issues clearly to technical and non-technical stakeholders.
• Strong collaboration and stakeholder-management abilities.
• Willingness to provide off-hours and on-call support when required.

Key Skills

z/OS | Mainframe Systems Programming | SMP/E | TSO/ISPF | USS | SDSF | JCL | IBM Products | CA Products | Production Support | Problem Determination | Terraform | REXX | CLIST | GDPS | Top Secret | OMEGAMON | RMF | SMF