New York City, NY-posted 3 months ago
Full-time • Entry Level
Manhattan, NY
5,001-10,000 employees
Justice, Public Order, and Safety Activities

We are seeking a motivated and detail-oriented Junior Mainframe System Programmer to join our Mainframe Systems Programmers team. In this role, the candidate will work closely with senior system programmers to support and maintain our z/OS mainframe environment. This is a great opportunity for someone looking to build a long-term career in mainframe systems with hands-on experience, structured training, and mentorship.

  • Assist in installing, configuring, and maintaining IBM z/OS and related program products.
  • Learn from experienced team members about mainframe operations, tools, and best practices.
  • Support system maintenance activities, including applying patches and upgrades to system; accompanying storage systems and program products.
  • Gain hands-on experience with tools such as OMEGAMON, CICS, and other IBM mainframe utilities.
  • Participate, learn, and execute disaster recovery exercises.
  • Monitor system performance and availability; help troubleshoot system and application issues.
  • Assist in automating and scripting routine tasks using REXX, CLIST, or JCL.
  • Document system configurations, maintenance activities, and troubleshooting steps.
  • Follow change management and incident response procedures.
  • Take an active part in the upgrades of the mainframe and related storage systems.
  • Provide production off-hour coverage and support periodic weekend implementations.
  • Basic understanding of IBM mainframe environments, including z/OS, TSO/ISPF, SDSF, and JCL.
  • Eagerness to learn and build skills in areas like ZOS, CICS, OMEGAMON, and system maintenance.
  • Strong problem-solving skills and attention to detail.
  • Good communication skills and ability to work in a team-oriented environment.
  • Exposure to mainframe system programming concepts through work, coursework, or internships.
  • Health insurance
  • Pension plan
  • Deferred Compensation Plan (with 457, 401K and Roth IRA options)
  • Pre-tax Commuter Benefit program
  • Pre-tax Flexible Spending Accounts programs
  • Prescription drug coverage
  • Dental benefits
  • Vision care benefits
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