Mainframe Systems Programmer
US$85,000 – US$148,000 / yr base salary
Posted 8 Oct 2026
Advertised as “Senior Mainframe Systems Programmer - z/OS”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 10+ yrs
- Management level
- Individual contributor
- Employment
- Remote
| Base salary | US$85,000 – US$148,000 / yr |
|---|
Study levelBachelor's
At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.
We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose.
HONESTY, RELIABILITY, COLLABORATION, CURIOSITY, PASSION
Role Summary
The Senior Mainframe Systems Programmer provides support for on-going projects that require the installation, testing, and implementation of new z/OS operating systems and other ‘system’ software. Also, the Maintenance and debugging of systems software. Monitoring and tuning of systems software. Functional knowledge, use of z/OS components and detailed knowledge of support products such as tape management, scheduling, security, monitoring systems, and other z/OS supporting systems software. Note: This is not an Applications Programming position.
What You Will Do:
- Participate in On-call Schedule.
- Incident / Problem resolution
z/OS & Tools your main tasks are related to:
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Incident, change and problem handling.
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Configuration and customization.
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Setup of parameters.
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Communication with vendors.
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Participation/contribution to technical projects.
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Solid understanding of z/OS and related product software z/OS.
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PARMLIB configuration and JES2 customization.
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Ability to support in solving problems and implementing changes on z/OS environments.
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Working knowledge of TSO/ISPF, SDSF, JCL.
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Good written and verbal skills.
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Strong analytical and problem-solving skills.
We want all new Associates to succeed in their roles at Ensono. That's why we've outlined the job requirements below. To be considered for this role, it's important that you meet all Required Qualifications. If you do not meet all of the Preferred Qualifications, we still encourage you to apply.
What You Will Need:
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Minimum of 10+ years of experience within a mainframe environment within a large enterprise or equivalent combination of education and experience