Technical Applications/Systems Analyst, IBM Mainframe

TISTA Science and Technology Corporation

. Install, configure, and maintain IBM mainframe operating systems, including IBM z/OS .

Posted 11/2/2026full-timeRemote • United StatesMid-LevelSenior💰 $75,730 - $105,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in IBM Mainframe System Programming, particularly with IBM z/OS, including installation, configuration, and maintenance of operating systems and ISV products. Strong analytical and troubleshooting capabilities are essential for ensuring system stability and performance in business-critical environments.

Highest-signal resume keywords

IBM Mainframe System ProgrammingIBM z/OS InternalsSMP/E Software InstallationJCL and TSO/ISPF ProficiencyDump Analysis and Problem Determination

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IBM z/OSSMP/EJCLTSO/ISPFIEBCOPYIDCAMSIEBGENERSystem IPLsDump AnalysisTroubleshooting

Soft Skills

Analytical SkillsCommunication SkillsOrganizational SkillsAttention to DetailTeam Collaboration

Tools & Technologies

DASDSMSDFSMS

Industry Keywords

Mainframe Operating SystemsSystem MaintenancePTFsAPARsSystem Documentation

About the role

Key responsibilities & impact

Install, configure, and maintain IBM mainframe operating systems, including IBM z/OS
Install, upgrade, and maintain ISV products using tools such as SMP/E
Customize system parameters, libraries, and subsystems
Apply maintenance including PTFs and APARs
Plan and execute system IPLs
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 on problem resolution and enhancements
Participate in an on-call rotation and support after-hours maintenance windows
Ensure system stability, performance, and security for business-critical applications running on IBM z/OS environments

Requirements

What you’ll need

5+ years of experience in IBM mainframe system programming
Strong experience with IBM z/OS internals and system components
Strong experience with SMP/E for software installation and maintenance
Strong experience with JCL and TSO/ISPF
Knowledge of system utilities such as IEBCOPY, IDCAMS, and 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
Bachelor's Degree in Computer Science, Electronics Engineering, or equivalent, plus 5 years of experience
Eight years of additional relevant experience may be substituted for education
Ability to pass a Tier 4/HIGH Background Investigation
Monday–Friday availability from 7:30 AM to 4:00 PM CST

Benefits

Comp & perks

Above-industry healthcare benefits
Remote working options
Paid time off
Training/certification opportunities
Healthcare Savings Account
Flexible Savings Account
Paid life insurance
Short-term disability
Long-term disability
401(k) match
Professional development reimbursement
Employee Assistance Program
Paid holidays
Military leave
Additional forms of compensation, such as bonuses, may be available for eligible positions