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zOS Systems Engineer

Expert In Recruitment Solutions

Malvern, PA

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JOB DETAILS
SKILLS
Advantage CA-Easytrieve, Apache Web Server, Application Integration, Cloud Computing, Cobol Programming Language, Cost Control, Disaster Recovery, HTTP (HyperText Transport Protocol), High Availability, IBM AIX Operating System, IBM CICS (Customer Information Control System), IBM DB2, IBM Rexx Programming Language, IBM TSO/ISPF, IBM WebSphere Application Server, IBM WebSphere MQ (Message Queue), IBM z-OS Operating System, Input/Output, JCL (Job Control Language), Linux Operating System, Machine Tool, Mainframe Computer, Mentoring, Microsoft SQL Server, Microsoft Windows Operating System, Microsoft Windows Server, Middleware, Migration Strategy, Operating Systems, Statistical Analysis System (SAS), System Migration, Systems Administration/Management, Systems Engineering, Tape Backup, Technical Leadership, Tivoli Storage Manager, Tomcat
LOCATION
Malvern, PA
POSTED
30+ days ago

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 emphasizes Middleware integration, Application Portability, and Modernization. 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, CICS environments 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 like Microfocus, Tomcat, or SQL 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 in z/OS, JCL, ISPF, REXX, and SAS Programming.
  • Platform Breadth: Hands-on experience with AIX (pSeries), Linux, and Windows Server environments.
  • Messaging & Web: Expert-level knowledge of IBM MQ, WebSphere (v5.1 through v8.5), Tomcat, and Apache HTTP Server.
  • Hardware Management: Familiarity with HCD/HCM, HMC, and fiber-attached storage/tape devices.
  • Legacy Tooling: Experience with Easytrieve, COBOL, and Tivoli Storage Manager (TSM).

Preferred Qualifications

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

About the Company

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Expert In Recruitment Solutions

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