Senior System Engineer (IBM Mainframe)

TISTA Science and Technology Corporation•Remote-United States, UNAVAILABLE

5d•Remote

About The Position

TISTA Science and Technology is seeking a Senior System Engineer 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.

Requirements

Strong experience with IBM z/OS internals and system components.
Strong experience with SMP/E for software installation and maintenance.
Strong experience with JCL, REXX, SAS, COBOL, SMP/E, and TSO/ISPF.
Strong experience with BMC – MAINVIEW, CMF, BMC AmiOps automation.
Strong experience with Phoenix – EJES.
Strong experience with Innovation – FDR, DSF, FDREPORT, IAM.
Strong experience with Chicago Soft – QwickRef.
Knowledge of system utilities such as IEBCOPY, IDCAMS, IEBGENER.
Experience with system IPLs, dump analysis, and problem determination.
Master's Degree in Computer Science, Electronics Engineering, other engineering or technical discipline, or equivalent PLUS 10 Years of experience.
Ten (10) years of additional relevant experience may be substituted for education.
The ability to pass a Tier 4/HIGH Background Investigation.

Nice To Haves

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.
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.

Responsibilities

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.
May require after-hours support for system maintenance and upgrades.