Demo

Mainframe Infrastructure Support

F2Onsite
Dallas, TX Contractor
POSTED ON 3/16/2025 CLOSED ON 4/13/2025

What are the responsibilities and job description for the Mainframe Infrastructure Support position at F2Onsite?

Onsite Mainframe CICS Infrastructure Support

Start ASAP - assignment runs through mid December 2025

Key Responsibilities

  • Manage and support CICS Transaction Server on IBM z/OS platforms.
  • Monitor and optimize mainframe infrastructure, ensuring high availability and performance.
  • Perform CICS system tuning, troubleshooting, and problem resolution to maintain stability.
  • Collaborate with application developers, database administrators, and network teams to ensure seamless operation.
  • Manage z/OS system resources, storage, and workload balancing.
  • Configure and maintain CICS regions, transactions, programs, and system definitions.
  • Implement security controls using RACF to safeguard system access and data integrity.
  • Support disaster recovery (DR) and business continuity plans.
  • Maintain software upgrades, patches, and fixes for CICS and related mainframe components.
  • Document system changes, configurations, and troubleshooting procedures.

Required Qualifications

  • 5 years of experience in IBM CICS and z/OS mainframe infrastructure support.
  • Strong knowledge of CICS Transaction Server, VSAM, DB2, MQ, JCL, and JES2/3.
  • MQseries
  • Experience with CICS Performance tuning, troubleshooting, and region configurations.
  • Hands-on experience with IBM System Automation, SMP/E, and mainframe monitoring tools (OMEGAMON, SYSVIEW, or equivalent).
  • Familiarity with batch processing, REXX, and automation scripting.
  • Understanding of RACF security and compliance standards.
  • Strong analytical and problem-solving skills with the ability to work in a 24x7 support environment.

Additional Information

  • All candidates are encouraged to apply, but many positions require a strict drug and background check by our customers.
  • F2OnSite supports and adheres to all state laws regarding background checks.
  • This position requires specific work hours to be adhered to. Typically the work hours are not flexible, so you must be able available to work during those hours.
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