Senior Mainframe Systems Programmer - ISV z/OS-2
About the role
ISV z/OS Systems Programmer
mainframe systems programming, SMP/E software management, IBM utilities, and ISV product lifecycle management
product migrations and conversions
Key Responsibilities
- Install, configure, maintain, and upgrade
third-party ISV software products
in a z/OS environment.
- Lead initiatives to
replace mainframe products
with alternative vendor solutions.
- Perform
product evaluations, proof-of-concepts, and technical comparisons
of replacement tools.
- Plan and execute
product migration and conversion activities
, including configuration changes, data conversions, and operational cutovers.
- Maintain and manage software using
SMP/E
, including RECEIVE, APPLY, ACCEPT, USERMODs, and maintenance management.
- Troubleshoot and resolve issues related to
ISV software installations, integrations, and runtime problems
.
- Work with application teams, operations, and vendors to diagnose system or product issues.
- Develop and maintain
installation documentation, procedures, and migration runbooks
.
- Assist in capacity planning, performance tuning, and operational support for ISV tools.
- Support incident resolution and participate in root cause analysis for production issues involving ISV software.
- Evaluate compatibility and impact of new z/OS releases on installed ISV products.
Required Skills and Experience
- Extensive experience as a
z/OS Systems Programmer
supporting enterprise mainframe environments.
- Strong background in
installation and maintenance of ISV mainframe software products
.
- Hands-on experience with
SMP/E software installation and maintenance processes
.
- Experience performing
product migrations or conversions between competing vendor tools
.
- Strong troubleshooting and diagnostic skills across the z/OS platform.
- Experience with
IBM utilities and system tools
commonly used in z/OS environments.
- High-level working knowledge of
TSO/ISPF
environments and utilities.
- Experience supporting multi-vendor ISV ecosystems in production mainframe environments.
- Ability to analyze system documentation, vendor materials, and product architectures.
Preferred Qualifications
- Experience specifically
replacing ISV mainframe products
with alternative vendor solutions.
- Familiarity with common ISV categories such as: • Output management
- Security
- Scheduling
- Storage management
- Performance monitoring
- Database tools
- Automation operations
- Experience working with
vendor support organizations
to resolve complex technical issues.
- Knowledge of
z/OS system internals, JES, RACF, and subsystem integration
.
- Experience with automation, scripting, or operational tooling in the z/OS environment.
Personal Attributes
- Strong analytical and problem-solving skills.
- Ability to manage
complex migrations and product transitions
in production environments.
- Excellent documentation and communication skills.
- Self-motivated with the ability to work independently or as part of a systems engineering team.
- Ability to work on multiple client projects at the same time
Typical Deliverables
- ISV product installation documentation
- Migration and replacement project plans
- Troubleshooting guides and operational procedures
- Product comparison and evaluation reports
- Maintenance and upgrade schedules
Why Ensono?
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
- 401k with company match
- Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
- Family Forming Benefit including fertility coverage and adoption/surrogacy reimbursement
- Paid childbearing and paternal leave
- Education Reimbursement, Student Loan Assistance or 529 College Funding
- Sabbatical leave
- Wellness program
- Flexible work schedule
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,
Not included in the source posting: benefits.
Who can apply
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