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Senior Mainframe Systems Programmer – z/OS

Remote - United States JR008723

Position Summary:

The Senior Mainframe Systems Programmer – z/OS provides support for on-going projects that require the installation, testing, and implementation of new operating systems and other 'system' software. Includes: Maintenance and debugging of systems software, Coordination with other technical teams (CICS, Database, Network, Hardware/Storage, etc.) in accomplishing assigned tasks, Research and evaluation of new software and hardware products, assisting team members and other areas with technical questions and problem resolution, Monitoring and tuning of systems software, Functional knowledge, use of z/OS components and detailed knowledge of supporting products.  Note: This is not an Applications Developer position.

Key Areas of Focus for this Role

  • Installation and maintenance of Mainframe Systems Infrastructure software (including z/OS and/or ISV products) in support of Software Lifecycle Management
  • Incident / Problem resolution

Required Qualifications

  • Minimum of 10 years of related experience
  • Bachelor’s degree required and/or equivalent work experience.

Other Qualifications

  • Strong understanding and experience of Mainframe systems functionalities and z/OS utilities
  • Strong understanding and experience using SMPE and Vendor specific installation utilities.
  • Ability to perform complex ISV installations.
  • Ability to perform and lead complex projects.
  • Ability to mentor others
  • Ability to work independently when appropriate and work collaboratively in an agile team environment.

Why Ensono?

Ensono is a place we unleash Associates to Do Great Things – for our clients and for your career. This could mean achieving a professional goal, collaborating with your team on an innovative idea, learning a new skill, reaching a wellness milestone, or engaging in your community through volunteer programs. Whatever it means to you, we want Ensono to be the place where you can do great things.

  • We value flexibility and work-life balance. Positions that are not required to be onsite to support a client may offer the ability to work remotely or hybrid at an Ensono office location.
  • Unlimited Paid Day Off (PDO) Plan
  • Two robust health plan options through Blue Cross Blue Shield
  • 401(k) with a generous company match
  • Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
  • Depending on location, ability to take advantage of fitness centers
  • Wellness program
  • Flexible work schedule


Ensono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law.


Pay transparency nondiscrimination statement/posting OFCCP’s pay transparency policy can be found on OFCCP’s website.


If you need accommodation at any point during the application or interview process, please let your recruiter know or email [email protected].





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