Mainframe Administrator

Arlington, Virginia

Datawiz
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Overview: We are seeking a highly experienced and motivated Mainframe Systems Administrator to lead technical support and management for IBM z/OS mainframe-based solutions. This position requires a deep understanding of mainframe operations, system integration, and advanced troubleshooting capabilities. The ideal candidate will have a blend of technical expertise, strong communication skills, and experience in financial services or similar environments.

Key Responsibilities:

  1. Technical Support and Maintenance
  • Provide senior-level technical support for IBM z/OS mainframe systems, including installation, implementation, administration, and maintenance.
  • Perform problem determination and resolution, including system dump analysis and root cause identification for outages and system issues.
System Upgrades and Fixes
  • Collaborate with team members and vendors to capture and analyze system dumps, apply system fixes and patches, and coordinate testing and roll-out of new system versions.
System Software and Infrastructure Management
  • Install, maintain, and customize operating systems and third-party ISV system software.
  • Configure, debug, and maintain TCPIP and VTAM subsystem configurations.
  • Prepare and install system software, adhering to vendor and site-specific installation protocols.
Large-Scale System Integrity
  • Participate in the installation, implementation, and performance testing of IBM z/OS Parallel Sysplex systems, including shared and cluster queues.
  • Manage LPAR environments and ensure the reliability and integrity of large-scale systems.
Collaboration and Coordination
  • Work closely with technical teams, internal stakeholders, and vendor support to ensure seamless roll-out of new systems and solutions.
  • Effectively communicate technical issues and solutions with staff, customers, and other IT personnel at all levels.
Qualifications:
  • Education and Experience:
    • BA/BS in Computer Science, Engineering, or an equivalent combination of education or experience.
    • Six or more years of experience in mainframe operations management, including TCPIP and VTAM configuration and debugging.
  • Technical Skills:
    • Advanced knowledge of z/OSMF, AT-TLS rules, IPSEC policies, SMP/E, TSO/ISPF, SDSF/ISPF, and LPAR management.
    • Strong understanding of standard systems integration tools and practices.
  • Analytical and Communication Skills:
    • Strong analytical skills with the ability to troubleshoot and resolve complex issues.
    • Excellent written and oral communication skills, with the ability to convey technical concepts to various audiences.
  • Preferred:
    • Experience in a financial services environment.
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Date Posted: 26 March 2025
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