Mainframe Automation Engineer: REXX & z/OS Expert (Hybrid)

Randstad Polska Sp. z o.o.; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid Kraków office

Job summary

Randstad Polska Sp. z o.o. is seeking an experienced Mainframe System Automation Engineer to drive end-to-end automation across a large z/OS environment.

The role focuses on hands-off operations, developing robust REXX solutions and maintaining resilient, self-healing mainframe platforms using OPS/MVS or IBM System Automation. We expect strong z/OS background and expertise in mainframe automation tools, with a passion for building reliable, automated systems in a hybrid Kraków office setting.

Qualifications

• Mainframe Automation Experience: Hands-on experience in Mainframe system automation working with Broadcom OPS/MVS or IBM System Automation / NetView
• REXX Scripting: Strong ability to write, debug, and maintain complex scripts using the REXX programming language
• Production Support & z/OS: Proven background in production support, troubleshooting, and incident resolution within enterprise IBM z/OS environments
• ITSM Processes: Solid understanding of Incident, Problem, and Change Management processes
• Autonomy & Soft Skills: Ability to work independently with minimal supervision, paired with excellent verbal and written English communication skills

Responsibilities

• Automation Administration: Administer, support, and enhance enterprise Mainframe System Automation products (OPS/MVS or IBM SA / NetView)
• REXX Development: Design, code, and maintain robust REXX scripts to automate complex operational tasks and z/OS subsystem interactions
• Production Support & ITSM: Resolve production incidents, analyze root causes, and implement permanent automation fixes within agreed SLAs (Incident, Problem, and Change Management)
• Stakeholder Collaboration: Work closely with cross-functional infrastructure and application teams to gather requirements and translate manual processes into automated solutions
• Operational Standards: Ensure all automation deliverables adhere to global operational standards, best practices, and high-availability guidelines

Skills

Mainframe Automation

REXX Scripting

Production Support & z/OS

ITSM Processes

Autonomy & Soft Skills

Tools

Broadcom OPS/MVS

IBM System Automation

NetView

Jira

Confluence

Git / GitHub

Job description

Randstad Polska Sp. z o.o. is seeking an experienced Mainframe System Automation Engineer to drive end-to-end automation across a large z/OS environment.

The role focuses on hands-off operations, developing robust REXX solutions and maintaining resilient, self-healing mainframe platforms using OPS/MVS or IBM System Automation. We expect strong z/OS background and expertise in mainframe automation tools, with a passion for building reliable, automated systems in a hybrid Kraków office setting.