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Systems Programmer III

Job in Pomona, Los Angeles County, California, 91768, USA
Listing for: LERETA, LLC
Full Time position
Listed on 2026-01-15
Job specializations:
  • IT/Tech
    IT Support, Systems Engineer
Job Description & How to Apply Below

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Systems Programmer III

The Systems Programmer III maintains LERETA’s Mainframe system by installing, customizing, installing, and/or upgrading products that run on the system. The role researches, analyzes, evaluates, and integrates new and emerging technologies in order to find ways to deliver a superior IT environment to the customer in a cost effective and secure manner.

Responsibilities
  • Installs, tests, and maintains IBM and vendor software products
  • Maintains, supports, tunes and enhances LERETA mainframe online and batch environments
  • Monitors the performance of the z/VSE environment and can take proactive actions to avert potential problems
  • Document steps taken and ensure that there are processes in place to avoid future issues
  • Diagnoses and resolves z/VSE system problems with a focus on extremely high availability
  • Analyzes traces, system dumps, and works with vendors
  • Provides SME coaching, support and consultancy to operations staff, application, and other technical teams
  • Documents all environments / processes
  • Plans, schedules and manages all assigned tasks and projects
  • Provides 24 X 7 On-call support as needed
  • Automates operations to decrease manual entries, adjustments, etc. to systems
  • Performs Capacity Planning – estimating the space, computer hardware, software and connection infrastructure resources that will be needed over a period of time
  • Provides Disaster Recovery
  • Responsible for design, implementation and testing of IT disaster recovery solutions
Core Competencies
  • Strong ability to multi-task and work independent
  • Highly skilled in support of z/VSE and associated IBM software
  • Must be skilled and proficient in the theoretical and practical application of ADABAS, Natural, Entire

    X Communicator
  • Must have advance knowledge of CSI Products: EPICS, FAQS, TCP/IP
  • Must be able to exercise independent judgment when performing duties
  • Ability to be resourceful and meticulous
  • Demonstrate strong analytical skills, problem solving skills, and capacity planning skills
Required Education & Experience
  • Bachelor’s Degree or equivalent levels of experience
  • 10 or more years recent related systems programming experience with z/VSE
Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

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