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Overview
TISTA Science and Technology is seeking a Technical IBM Mainframe Applications/Systems Analyst to join our growing team.
At TISTA, you’ll do meaningful, mission‑driven work that improves lives alongside teammates you trust and leaders who are transparent and supportive. We invest in your learning and internal mobility so you can build a career that keeps advancing. We’re proud to serve and hire Veterans, and we put people first in everything we do.
TISTA associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account & Flexible Savings Account, Paid Life Insurance, Short-term & Long-term Disability, 401K Match, Professional development reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!
Responsibilities
The IBM Mainframe System Programmer is responsible for the installation, configuration, customization, and ongoing maintenance of mainframe system and ISV software products. This role ensures system stability, performance, and security while supporting business-critical applications running on IBM z/OS environments.
Install, configure, and maintain IBM mainframe operating systems, including IBM z/OS.
Perform installation, upgrades, and maintenance of ISV (Independent Software Vendor) products using tools such as SMP/E.
Customize system parameters, libraries, and subsystems to meet organizational requirements.
Apply maintenance (PTFs, APARs) and perform system IPL planning and execution.
Troubleshoot system issues, analyze dumps, and resolve software-related problems.
Support storage management processes including DASD, SMS, and DFSMS.
Maintain documentation for system configurations, procedures, and changes.
Collaborate with application teams, operations, and vendors for problem resolution and enhancements.
Participate in on-call rotation and support after-hours maintenance windows.
Qualifications
5+ years of experience in IBM mainframe system programming.
Strong experience with:
IBM z/OS internals and system components.
SMP/ E for software installation and maintenance.
JCL, TSO/ISPF.
Knowledge of system utilities such as IEBCOPY, IDCAMS, IEBGENER.
Experience with system IPLs, dump analysis, and problem determination.
Strong analytical and troubleshooting skills.
Ability to work independently and in a team environment.
Excellent documentation and communication skills.
Attention to detail and strong organizational skills.
Preferred Qualifications
Experience with additional IBM subsystems such as: CICS.
Familiarity with automation and scheduling tools.
Knowledge of disaster recovery and high availability configurations.
Experience with mainframe performance tuning and capacity planning.
Education:
Bachelor's Degree in Computer Science, Electronics Engineering, or equivalent PLUS 5 Years of experience.
Eight (8) years of additional relevant experience may be substituted for education.
Clearance:
The ability to pass a Tier 4/HIGH Background Investigation.
Location:
Remote, USA.
Monday - Friday (7:30 AM - 4:00 PM CST).
Pay Range:
The pay for this position ranges from $48,730 to $57,500.
The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, and location.
Also, certain positions are eligible for additional forms of compensation, such as bonuses.
TISTA associates are eligible to participate in our comprehensive benefits plan! More information can be found here:
