About The Position

The Mainframe Technical Lead leads and manages mainframe system programming activities to ensure high availability, performance, and security of z/OS environments. The role provides technical leadership, mentors team members, and collaborates with stakeholders to deliver infrastructure solutions. This is a 100% remote position offered as a 12+ month contract.

Requirements

  • Strong expertise in IBM z/OS, SMP/E, and JES2/JES3.
  • Experience with DB2, IMS, and CICS subsystems.
  • Proficiency in RACF security administration.
  • Knowledge of mainframe networking, including VTAM and TCP/IP.
  • Familiarity with automation tools such as REXX, CLIST, and JCL scripting.
  • Hands-on experience in system upgrades and migrations.
  • Good understanding of ITIL processes, including Incident, Change, and Problem Management.
  • Bachelor's degree in Computer Science, Information Technology, or a related field.

Nice To Haves

  • Exposure to z/OSMF, z/OS Connect, and modernization tools.
  • Experience in performance tuning and capacity planning.
  • Knowledge of disaster recovery solutions and GDPS.
  • IBM certifications in z/OS System Programming or equivalent.

Responsibilities

  • Install, configure, and maintain IBM z/OS operating systems and related subsystems.
  • Perform upgrades, patches, and migrations, including hardware uplift from Z14 to Z16.
  • Manage SMP/E, PARMLIB, PROCLIB, and system datasets.
  • Monitor system performance, optimize resource utilization, conduct capacity planning, and implement tuning strategies.
  • Implement RACF security policies and ensure compliance with standards; perform audits and vulnerability assessments.
  • Develop and test disaster recovery plans for mainframe environments and ensure 99.9% uptime and SLA adherence.
  • Mentor junior system programmers and provide technical guidance.
  • Coordinate with application and infrastructure teams to resolve issues.
  • Troubleshoot complex system issues and provide root cause analysis.
  • Drive automation initiatives to reduce manual interventions.
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