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EI

zOS Systems Engineer

Expert In Recruitment Solutions
🇺🇸 United States
On-site
Staff / Principal
3 months ago
  • z/OS
  • Linux
  • Windows
  • DB2
  • WebSphere
  • Tomcat
  • SAS
  • Windows Server
  • Apache HTTP Server
  • COBOL
  • Disaster Recovery
3 months ago
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zOS Systems Engineer
Malvern, PA - HYBRID

Role Summary

The Sr. z/OS Systems Engineer is responsible for the installation, maintenance, and optimization of the z/OS operating system and its associated subsystems. Unlike traditional storage-focused roles, this position emphasizesMiddleware integration,Application Portability, andModernization. You will be the primary technical lead for migrating legacy mainframe workloads to distributed platforms (Linux/AIX/Windows) and supporting high-availability messaging environments.

Primary Responsibilities

  • Operating System Support: Install, maintain, and upgrade z/OS, DB2, CICSenvironments across multiple LPARs, including performing HCD changes for I/O subsystem migrations.
  • Workload Migration: Lead strategic projects to port legacy z/OS applications (CICS/DB2/WebSphere) to modern architectures likeMicrofocus,Tomcat, orSQL Server.
  • Database Collaboration: Assist DB2 DBAs with version upgrades (e.g., v11 to v12) and monitor Distributed Data Facility (DDF) activity.
  • Monitoring & Optimization: Replace and manage system monitoring tools (e.g., transitioning from Omegamon to ASG-TMON) to ensure 24/7 environment stability.

Technical Requirements

  • Mainframe Core: Deep proficiency inz/OS, JCL, ISPF, REXX, andSAS Programming.
  • Platform Breadth: Hands-on experience withAIX (pSeries),Linux, andWindows Server environments.
  • Messaging & Web: Expert-level knowledge ofIBM MQ,WebSphere (v5.1 through v8.5),Tomcat, andApache HTTP Server.
  • Hardware Management: Familiarity withHCD/HCM,HMC, and fiber-attached storage/tape devices.
  • Legacy Tooling: Experience withEasytrieve,COBOL, andTivoli Storage Manager (TSM).

Preferred Qualifications

  • Experience inBusiness Recovery/Disaster Recovery (DR) planning and execution.
  • Proven track record ofcost-reduction through platform consolidation or "Mainframe-to-Cloud/Open-System" migrations.
  • Ability to mentor junior engineers and contractors during complex infrastructure shifts.

zOS Systems Engineer · Expert In Recruitment Solutions

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