Mainframe Systems Engineer

4 weeks ago


Reston, Virginia, United States Brooksource Full time

Mainframe Systems Engineer

Contract-to-Hire Opportunity

Location: Remote Optional

Brooksource is seeking a highly skilled IBM Mainframe Systems Engineer to join a leading grocery retailer in the Southeast. The ideal candidate will have extensive knowledge of IBM z/OS environments and will be responsible for maintaining, optimizing, and migrating the mainframe system. This role requires a subject matter expert in IBM Mainframe technology and will have a direct impact on strategy and execution of projects.

Key Responsibilities

  • Manage and maintain IBM z/OS mainframe systems, ensuring high availability and performance.
  • Design and implement system upgrades, patches, and enhancements.
  • Perform installation, maintenance, and upgrades for system software and ISV software.
  • Maintain and support virtual tape backup systems and libraries.
  • Provide troubleshooting, training, and technical support for all users and projects of the organization.
  • Resolve issues escalated by other tiers of support.
  • Ensure compliance with server, network, security, and engineering standards and guidelines.

Technical Requirements

Extensive subject matter expertise and team lead experience with IBM z/OS mainframe and related tools/products, including LPAR configuration, MQ Series, DB2 COBOL, JCL, VSAM, CICS, and mainframe ISV software.

Experience with IBM's file structure(s): HFS, ZFS, and PDS's, TSO, and DFSMS.

Experience with IBM DS89xx disk subsystems, including day-to-day operations, replication, flash copies, and immutable staging using tools like Copy Service Manager (CSM) and others.

  • Experience with networking technologies that support the mainframe, i.e., Ethernet, FICON, etc.
  • Experience with z/OS virtualization, including zLinux installation and maintenance.
  • Excellent communication and organizational skills, and the ability to stay focused on completing tasks and meeting goals within a fast-paced environment.
  • Experience with various backup solutions and strategies.
  • Ability to communicate applicable technical subject matter expertise to management and others.

Education and Preferred Skills

  • Bachelor's degree in information technology, computer science, or a related field.
  • 7+ years of relevant experience.
  • Knowledge of LAN/WAN/Firewall/VPN technologies.


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