Mainframe Systems Administrator

2 weeks ago


Columbus, Ohio, United States Diverse Lynx Full time
Mainframe Systems Administrator

Diverse Lynx LLC is seeking a highly skilled Mainframe Systems Administrator to join our team. As a key member of our IT department, you will be responsible for maintaining the z/OS 2.3 and JES2 software environment, ensuring system reliability and availability.

Key Responsibilities:

  • Maintain and upgrade z/OS releases (2.3, 2.4, 2.5) and configure to support requirements.
  • Upgrade z/os Versions from 2.3 to 2.5 and above, and z/VM and maintenance support from 6.4 to latest versions.
  • Work with application programmers to ensure that application problems do not adversely affect production operations.
  • Provide 24/7/365 software support and assist with the analysis, design, programming, and implementation of applications that will interface with system software.
  • Develop and maintain proper software use and security authorization policies, and create, maintain, and upgrade software systems for development and production environments.
  • Analyze requirements and recommend policies, procedures, and standards for software systems, and implement and verify backup and recovery procedures.
  • Accept ownership of all mainframe-based systems, including multiple z/OS sysplexes, and keep supported systems current with the latest maintenance provided by IBM.
  • Provide level 1 operational support for z/VM and zLinux systems, and resolve any system-related problems that may arise in a timely and efficient manner.

We are an Equal Employment Opportunity employer, and all qualified applicants will receive due consideration for employment without any discrimination. We promote and support a diverse workforce across all levels in the company.



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