Senior Mainframe Administrator

Key Responsibilities

247 Monitoring & Operations 247 monitoring and operations with defined incident response SLAs.

IBM Z DR Orchestration

Runbook & Change Management Ownership Maintain operational runbooks, coordinate firmware/microcode upgrades, and manage capacity planning through the 2028 replacement window.

Operational Stabilization

Agency Coordination Work directly with DoIT, HFS, IDHS, IDOR, and IDES technical leads to ensure DR readiness and SLA compliance.

Required Skills & Experience

10+ years in IBM Z mainframe operations , storage, or DR engineering.

Handson experience with IBM DS8000 , FICON , Metro Mirror , Global Mirror , GDPS , HyperSwap , Copy Services Manager , or Hitachi VSP/TrueCopy/UR.

Deep understanding of z/OS LPAR , IMS/DB2 , CICS/VTAM restart automation , and transactional consistency.

Experience running OEMaligned DR operations with strict RTO/RPO SLAs.

Ability to lead DR tests, document results, and interface with senior government stakeholders.

Strong background in runbooks, change control, and capacity planning .

Preferred Qualifications

Prior experience supporting public sector or large multiagency mainframe estates .

Familiarity with aging IBM Z hardware (z196, zEC12, z114) and migration considerations. The z196, zEC12, and z114 estate has been past IBM end-of-service since 2019.

Exposure to modernization programs or mainframe assessment frameworks.