Senior Mainframe Storage & Virtual Tape Specialist

Page Mechanical Group, Inc.; Washington (District of Columbia); On-site; USD 110,000 - 170,000; Full time

Job summary

Page Mechanical Group, Inc. is seeking a senior storage administrator to manage IBM z/OS DASD, tape libraries, and virtual tape systems. You will ensure high availability, data integrity, and disaster recovery readiness for enterprise storage infrastructures.

You will monitor capacity, performance, and I/O, coordinate with vendors for hardware and firmware updates, and uphold ITIL-aligned incident management standards across the mainframe storage environment.

Qualifications

• Minimum 6+ years dedicated experience in IBM z/OS Mainframe Storage Administration.
• Advanced proficiency with DFSMS, IDCAMS, and catalog management utilities.
• Hands-on operational mastery of enterprise DASD storage arrays, IBM SL4000 automated tape libraries, and Luminex Virtual Tape (MVT/CGX/LTMon).
• Strong competency with TSO/ISPF, SDSF, JCL, and JES2 commands.
• Proven experience adhering to enterprise ITIL incident management SLAs (e.g., ServiceNow).

Responsibilities

• Monitor, administer, allocate, and manage mainframe DASD resources across SMS storage groups, volumes, and user pools.
• Perform continuous capacity forecasting, utilization tracking, availability verification, and I/O performance monitoring to avert space exhaustion.
• Investigate and resolve DASD-related allocation failures, out-of-space abends (SB37, SD37, SE37), abnormal catalog states, and volume fragmentation.
• Maintain enterprise tape operations, catalog retention rules, and physical library health.
• Coordinate tape hardware failures, drive replacements, firmware updates, and scheduled maintenance with infra teams and OEMs.
• Administer, monitor, and troubleshoot Luminex MVT systems and CGX components; monitor replication links and DR readiness.

Skills

Mainframe storage administration

ITIL incident management

RACF security

Tools

DFSMS

IDCAMS

Catalog management utilities

IBMSL4000

Luminex MVT/CGX/LTMon

TSO/ISPF

SDSF

JCL

JES2

Job description

Page Mechanical Group, Inc. is seeking a senior storage administrator to manage IBM z/OS DASD, tape libraries, and virtual tape systems. You will ensure high availability, data integrity, and disaster recovery readiness for enterprise storage infrastructures.

You will monitor capacity, performance, and I/O, coordinate with vendors for hardware and firmware updates, and uphold ITIL-aligned incident management standards across the mainframe storage environment.