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Ensono

IT transformation and cloud migration services

Senior Mainframe Systems Programmer - z/OS

System AdministrationConfirmed live in the last 24 hours
Full-timeRemote in USA

About the Job

Requirements

  • A minimum of 10 years of experience within a mainframe environment in a large enterprise, or an equivalent combination of education and experience.
  • A bachelor's degree or equivalent work experience.
  • Knowledge and understanding of z/OS and z/OS installation and maintenance, including SMP/E.
  • Working knowledge of TSO/ISPF, SDSF, and JCL.
  • Working knowledge of Unix System Services (USS), including USS file system management and security.
  • Ability to perform the skill set of a Mainframe System Programmer.
  • Ability to perform moderately complex ISV installations.
  • Knowledge of z/OS security and z/OS systems programming functions.
  • Understanding of z/OS services structure, Parallel Sysplex, and catalog management.
  • Ability to work as a team member and handle major incident or emergency situations.
  • Good interpersonal, verbal, and written communication skills, including customer service at management level.
  • Self-motivation, strong analytical and problem-solving capabilities, planning and organizational skills, initiative, and ability to learn.

Responsibilities

  • Provide support for ongoing projects involving installation, testing, and implementation of new z/OS operating systems and other system software.
  • Maintain and debug systems software, and monitor and tune systems software.
  • Participate in the on-call schedule.
  • Resolve incidents and problems; handle incidents, changes, and problems.
  • Configure and customize systems and set parameters.
  • Communicate with vendors.
  • Participate and contribute to technical projects.
  • Support problem-solving and implement changes in z/OS environments.

About the Company

Ensono

IT transformation and cloud migration services

Ensono helps large organizations modernize IT and migrate to cloud platforms through managed services and consulting. It specializes in mainframe modernization, cloud enablement, data architecture transformation, and data center consolidation, delivering end-to-end IT transformation. The company offloads non-core IT tasks to its teams and handles migrations, modernization projects, and ongoing cloud and IT management to keep systems stable, scalable, and secure. Its goal is to improve operating speed and reliability by leveraging cloud and data insights, so clients can focus on their core business.

Company size
1,001-5,000
Company stage
Acquired
Total funding
$76.2M
Headquarters
Chicago, IL
Founded
1969

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