Sr Mainframe Developer Job at DEW Softech, Inc, Trenton, NJ

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  • DEW Softech, Inc
  • Trenton, NJ

Job Description

Sr. Mainframe Developer

Location: Trenton, NJ Hybrid (3 days Onsite, 2 days Remote)
Duration: 12+ Months

*Local Only, IMB Z/OS, COBOL, Hands-on experience with POR (Power-On Reset) configuration activations and system startups, Proficient in building and managing IOCDS datasets using HCD and IOCP tools.

Job Description

We are seeking an experienced Senior Mainframe Developer with deep expertise in I/O configuration management to support our IBM Z environment. This hands-on role focuses on configuration delivery, ensuring environment stability, and implementing project-based infrastructure changes.

What You'll Do

  • Configure and manage mainframe I/O definitions using Hardware Configuration Definition (HCD)
  • Generate and implement IOCDS images and coordinate activations across logical partitions
  • Analyze and update existing configurations to support hardware changes, migrations, and upgrades
  • Troubleshoot I/O pathing, device connectivity, and configuration discrepancies
  • Collaborate with internal teams (z/OS systems, storage, network, hardware engineering) to ensure alignment between logical and physical configurations
  • Maintain accurate configuration documentation and provide knowledge transfer to permanent staff

What You'll Need

Required:

  • Minimum of 5 years of experience defining and maintaining I/O configurations for IBM z/OS systems
  • Proficient in building and managing IOCDS datasets using HCD and IOCP tools
  • Strong knowledge of IBM z/OS operating system internals
  • Hands-on experience with POR (Power-On Reset) configuration activations and system startups
  • Expertise in troubleshooting and resolving complex I/O configuration issues
  • Familiarity with channel paths, control units, and device definitions
  • Excellent documentation and communication skills
  • Knowledge of Sysplex configurations and dynamic I/O reconfiguration
  • Experience in capacity planning and hardware upgrades
  • Familiarity with disaster recovery planning for I/O configurations

Physical Demands

  • Ability to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards
  • Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings, etc.
  • Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor

 

Job Tags

Permanent employment, Work at office, Local area, Remote work,

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