zOS Mainframe Engineer

Posted 10 hours 17 minutes ago by Robert Walters

£700 - £800 Daily
Contract
Not Specified
Other
London, City, United Kingdom, EC1A2
Job Description

About the Role

We are seeking an experienced z/OS System Programming Engineer to join our dynamic infrastructure team. This critical role is responsible for designing, maintaining, and enhancing the z-platform environment that underpins our enterprise systems. You'll work with cutting-edge Mainframe technology to ensure high availability, performance, and security across our global operations.

Key Responsibilities

  • Design, configure, and maintain the z/OS environment to meet the firm's computing needs.
  • Manage and optimize z/OS catalogs and system components.
  • Troubleshoot complex system issues, especially under high-pressure conditions.
  • Support system and software installations, customizations, and upgrades.
  • Collaborate with cross-functional teams to support development, testing, and production environments.
  • Participate in weekend support and on-call rotation schedules.

Required Skills & Experience

  • Expert-level knowledge of z/OS internals
  • Proven experience in catalog management
  • Strong USS/OMVS and HCD/hardware configuration skills
  • Solid background in troubleshooting and problem diagnosis
  • Hands-on experience with ISV software installations
  • Skilled in test design for software validation
  • Experience in REXX Scripting

Nice to Have

  • Experience with z/OSMF, REST APIs, Kafka, LinuxOne, Ansible, Python
  • Knowledge of Assembler for usermod maintenance and dump analysis

Key Attributes

  • Self-driven and team-oriented
  • Exceptional analytical and investigative abilities
  • Resilient under pressure, especially during critical system outages
  • Creative problem-solver with a passion for system innovation

Why Join Us?

  • Be part of a team managing mission-critical infrastructure
  • Work with industry-leading technologies and practices
  • Collaborate with top-tier engineers in a supportive environment
  • Competitive salary, benefits, and development opportunities

We are committed to creating an inclusive recruitment experience.If you have a disability or long-term health condition and require adjustments to the recruitment process, our Adjustment Concierge Service is here to support you. Please reach out to us at (see below) to discuss further.