JobsUSASenior Mainframe Systems Programmer
Company : Ensono
Location : Chicago, IL
Posted Date : 15 September 2025
Job Type : Full Time
Category : Software Development
Occupation : Programmer
Job Details
Senior Mainframe Systems ProgrammerRemote - United StatesJR
Position Summary
The Senior Mainframe Systems Programmer provides support for on-going projects that require the installation, testing, and implementation of new operating systems and other 'system' software. Also, the Maintenance and debugging of systems software.. Functional knowledge, use of z/OS components and detailed knowledge of support products such as tape management, scheduling, security, monitoring systems, etc.
Key Areas of Focus for this Role
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Backup and recovery processes and tools
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Troubleshoot performance issues and query tuning concepts
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Identify and troubleshoot databases issues with high priority.
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Troubleshoot job failures and work with Operations as required.
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Monitor the systems for any unusual activities and restrictive states and check the logs periodically for any issues.
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Refresh Dev/Test systems with prod backup images as requested.
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Off Hours Support as required.
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Participate in Oncall Schedule.
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Team lead for zOS - Assist/Lead the zOS system programming team.
What the Ideal Candidate Brings to this Role
Required Qualifications help to assure new Associates are set up for success in their role with Ensono. To be considered for this career opportunity, it is important that you meet all Required Qualifications. Candidates that may meet some, but not all, Other Qualifications are still encouraged to apply.
Required Qualifications
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Minimum of 10 years of related experience
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Bachelor's degree required and/or equivalent work experience
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Knowledge of zOS DB2 platforms
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Ability to perform and lead complex projects
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Experience with report and output management software, specifically $AVRS.
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Experience with ISIS/PPFA/OGL for AFP form definition creation.
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Experience with installation and maintaining zOS
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Experience with parallel sysplex
Other Qualifications
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Ability to perform skill set of a Mainframe System Programmer
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Working in a collaborative multi client Environment.
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Ability to mentor and show leadership qualities
WhyEnsono ( ?
Ensono is a place to make better happen - for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it.
We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on a client site, you can choose to work from home or in our Ensono offices.
Some of our benefits include:
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Unlimited Paid Days Off
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Three health plan options through Blue Cross Blue Shield
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401k with company match
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Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
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Paid Maternity Leave, Paternity Leave, and Sabbatical Leave
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Education Reimbursement, Student Loan Assistance or 529 College Funding
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Enhanced fertility coverage
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Wellness program
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Flexible work schedule
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Depending on location, ability to take advantage of fitness centers
As of the date of this posting, a good faith estimate of the current pay scale for this role is $85,000 to $148,000 annually based on a full-time schedule. Please note that placement in the range may vary based on numerous factors including but not limited to skills, experience, internal equity, and business needs. In addition to base salary, other compensation programs, depending on eligibility, include an annual bonus plan based on company and individual performance, and an equity grant under our Associate Equity Appreciation Program.
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 onOFCCP's website ( .
If you need accommodation at any point during the application or interview process, please let your recruiter know or email .
JR
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