Skip to content

Senior z/OS Mainframe System programmer


The Mainframe Systems Programmer will provide support for on-going projects that require the installation, maintenance, testing, debugging, implementation of new/existing ISVs or other ‘system’ software following established standards. Research and evaluation of new/existing software products, assisting team members and other areas with technical questions and problem resolution. Monitoring and tuning of ISV software. Functional knowledge, use of z/OS components and detailed knowledge of support products such as tape management, scheduling, security, monitoring systems, etc.


  • Provide thought leadership within the Business Unit
  • Provides Technical support for HW and SW solutions.
  • Processes communication skills to participate in client/team/Business unit meetings.
  • Enhance the performance of others through mentoring and guiding.
  • Provide and document problem analysis, resolution and prevention, designing procedures and best practice techniques.
  • Proficient and install ISVs following established procedures within client maintenance windows.  
  • Document research/evaluation of software products.

Skill Required

  • JES3/JES2
  • zOS System Programming SMP/E
  • Fluent in JCL
  • In depth knowledge of REXX/CLIST
  • ISV SW upgrades support knowledge. This includes all vendors such has CA, IBM, Compuware, Innovation. Syncsort, IBM TWSz etc…..
  • Microsoft Office skills.


Your journey with Ensono starts here.

Apply now

More career opportunities at Ensono

Explore additional openings with our team, and apply today.

Start your digital transformation today.