Demo

Mainframe Migration Engineering Expert

Calibro Corp.
Jacksonville, FL Full Time
POSTED ON 3/19/2025
AVAILABLE BEFORE 4/18/2025

Our client is seeking a highly skilled and experienced Mainframe Consulting Expert to lead and execute a migration project upgrading z / OS from version 2.1 to 3.1 . The ideal candidate will bring a combination of deep technical expertise, leadership capabilities, and a thorough understanding of mainframe workflows. This role requires hands-on experience in complex mainframe environments, as well as the ability to guide teams, troubleshoot challenges, and ensure a smooth, efficient migration process.

Key Responsibilities :

  • Lead and execute the migration of z / OS from version 2.1 to 3.1, ensuring all deliverables are met within schedule.
  • ssess current client environments and workflows, identifying challenges and defining the migration strategy.
  • Collaborate with cross-functional technical teams to ensure system integrity and a seamless upgrade.
  • Optimize LPAR configurations, ensuring efficient utilization of system resources during and after migration.
  • Troubleshoot and resolve issues related to DB2, COBOL, CICS, JCL, VSAM, and other core components during migration.
  • Provide guidance on mainframe ISV software compatibility and upgrades.
  • Communicate project status, risks, and deliverables clearly to stakeholders, both technical and non-technical.
  • Train and mentor client teams on post-upgrade best practices and system enhancements.

Required Technical Expertise :

  • z / OS Migration : Extensive hands-on experience with z / OS upgrades, particularly from version 2.1 to 3.1.
  • Mainframe Tools & Environments : Deep expertise in mainframe systems, including :
  • z / OS and z / VM environments

  • LPAR configuration and optimization
  • JCL, COBOL, DB2, VSAM, and CICS
  • Mainframe ISV software compatibility and integration
  • Optional Skills : Knowledge of MQ Series is a plus.
  • Qualifications and Experience :

  • Minimum of 8 years of experience in mainframe consulting and migration projects.
  • Proven leadership experience in managing large-scale z / OS upgrades or mainframe modernization initiatives.
  • Strong understanding of mainframe workflows , systems integration, and resource optimization.
  • Excellent analytical, problem-solving, and troubleshooting skills.
  • Strong communication skills, with the ability to interface with technical teams, executives, and stakeholders.
  • Prior experience working in enterprise-level environments with mission-critical systems.
  • Why Join :

  • Work on a high-impact project with a leading organization in their industry.
  • Opportunity to showcase your expertise in mainframe migrations and leadership.
  • Competitive compensation and potential for long-term consulting opportunities.
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