Senior Mainframe Storage & Virtual Tape Architect

Advanced Network Consulting Inc; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Job summary

Advanced Network Consulting Inc seeks an experienced IBM z/OS Mainframe Storage Administrator to oversee DASD, tape, and virtual tape environments in a demanding enterprise setting. You will monitor capacity, performance, and data integrity, while coordinating DR testing and vendor support.

The role requires hands-on expertise with DFSMS, Luminex LTMon, RACF, and ITIL-aligned operations. On-site Washington DC area preferred for collaboration with production teams.

Qualifications

• Minimum 6+ years dedicated experience in IBM z/OS Mainframe Storage Administration.
• Advanced proficiency with DFSMS (DFSMSdfp, DFSMSdss, DFSMShsm, DFSMSrmm/CA-1), IDCAMS, and catalog management utilities.

Responsibilities

• Monitor and administer mainframe DASD resources across SMS storage groups, volumes, and user pools.
• Perform capacity forecasting, utilization tracking, availability verification, and I/O performance monitoring.
• Investigate and resolve DASD allocation failures, SB37/SD37/SE37, abnormal catalog states, and volume fragmentation.
• Execute volume initialization, pool additions, data migration, volume consolidation, defragmentation, and decommissioning.
• Identify and mitigate storage bottlenecks impacting CICS, DB2, or batch processing.
• Maintain enterprise tape operations, including IBM SL4000 environments and hardware health.
• Troubleshoot tape mounts, missing volumes, read/write errors, robotic arm faults, and drive degradation.
• Coordinate tape hardware failures and firmware updates with vendors.
• Administer, monitor, and troubleshoot Luminex MVT/CGX; monitor replication links and DR readiness.
• Use LTMon for telemetry and channel health diagnostics; support DR simulations.
• Manage media lifecycles, retention policies, and seamless coexistence with physical tape ops.
• Coordinate patching and incident resolution with Luminex support; keep runbooks updated.
• Ensure RACF compliance and ITIL-aligned change, incident, and problem management.

Skills

IBM z/OS Storage Administration

DFSMS suite

Tape Library Management

Luminex MVT/CGX/LTMon

TSO/ISPF

SDSF

JCL

JES2

ITIL Incident Management

Capacity & Performance Monitoring

Tools

DFSMSdfp

DFSMSdss

DFSMShsm

DFSMSrmm/CA-1

IDCAMS

Job description

Advanced Network Consulting Inc seeks an experienced IBM z/OS Mainframe Storage Administrator to oversee DASD, tape, and virtual tape environments in a demanding enterprise setting. You will monitor capacity, performance, and data integrity, while coordinating DR testing and vendor support.

The role requires hands-on expertise with DFSMS, Luminex LTMon, RACF, and ITIL-aligned operations. On-site Washington DC area preferred for collaboration with production teams.