Senior Mainframe Systems Programmer

Company : Ensono

Location : Philadelphia, PA

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

Backup and recovery processes and tools
Troubleshoot performance issues and query tuning concepts
Identify and troubleshoot databases issues with high priority.
Troubleshoot job failures and work with Operations as required.
Monitor the systems for any unusual activities and restrictive states and check the logs periodically for any issues.
Refresh Dev/Test systems with prod backup images as requested.
Off Hours Support as required.
Participate in Oncall Schedule.
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

Minimum of 10 years of related experience
Bachelor's degree required and/or equivalent work experience
Knowledge of zOS DB2 platforms
Ability to perform and lead complex projects
Experience with report and output management software, specifically $AVRS.
Experience with ISIS/PPFA/OGL for AFP form definition creation.
Experience with installation and maintaining zOS
Experience with parallel sysplex

Other Qualifications

Ability to perform skill set of a Mainframe System Programmer
Working in a collaborative multi client Environment.
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:

Unlimited Paid Days Off
Three health plan options through Blue Cross Blue Shield
401k with company match
Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
Paid Maternity Leave, Paternity Leave, and Sabbatical Leave
Education Reimbursement, Student Loan Assistance or 529 College Funding
Enhanced fertility coverage
Wellness program
Flexible work schedule
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 .

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