Mainframe Storage Administrator

15 hours ago

Metro Manila Philippines Russell Tobin Full time

We are seeking an experienced Mainframe Storage Administrator (z/OS) to manage and support daily operations and service delivery for Mainframe OS/Storage environments. This is a hands‑on technical role requiring deep expertise in mainframe storage systems, performance tuning, and incident management. The ideal candidate will work closely with client and customer Mainframe SMEs, ensuring system stability, meeting SLA targets, and supporting critical business operations. Key Responsibilities Manage BAU service delivery for Mainframe OS and Storage. Work daily with client/customer mainframe OS/Storage SMEs and peers. Handle Major Incidents (MI), Priority‑1 (P1) tickets, and lower‑priority support issues. Investigate and resolve Problems/RCA; manage Change/CMR tickets (including weekend changes). Provide business‑hours and on‑call support as required. Support mainframe projects such as hardware, OS, and ISV product upgrades. Ensure 99.99% system availability and adherence to agreed SLAs. Primary Requirements Proven ability to monitor, support, and maintain mainframe DASD tools. Manage and optimize storage performance and efficiency. Assign and initialize direct access storage volumes. Determine data set and volume placement for optimal resource utilization. Maintain and enforce direct access storage standards and best practices. Forecast and manage space requirements in line with client needs. Design, implement, and maintain DASD pooling structures. Perform catalog and data migration management. Provide support for all DASD‑related problems and perform regular storage backups. Plan and execute hardware lifecycle management and upgrades. Technical Skills & Experience Mainframe Hardware & Systems: Hands‑on experience with IBM z14/z15/z16 and Sysplex configurations. Knowledge of SMP/E, ISV products, UserMods, and system exits. Proficiency with IPL/POR procedures and mainframe console operations. Tools & Automation: Experience with OMEGAMON, TEPS, NetView, SIEM tools. Skilled in Assembler, REXX, JCL, CA‑OPS/MVS Automation. Expertise in IODF/IOCDS, HCD/HCM, and mainframe performance tuning. Proficient in PARMLIB/PROCLIB management and memory region customization. Storage Systems & Disaster Recovery: Experience with Hitachi VSP 5500, IBM DS8000, IBM TS7000, EMC VMAX/PowerMax, DLm hardware. Knowledge of IBM Metro/Global Mirror, Copy Services, EMC SRDF, EMC GDDR. Hands‑on experience with DFSMS suite, CA‑1, IBM CSM. Expertise in FlashCopy, BCV‑SnapVX, zDP, and SafeGuarded Copy (SGC). Manage mainframe data center storage replication and virtual tape libraries. Participate in Disaster Recovery planning and execution. Experience in MIPS optimization and software rationalization. Experience: 10‑15 years Employment Type: Full‑time, Morning Shift, Onsite NOTE: Only Filipino locals or PR holders can apply. Interested? Kindly send your CV to Looking forward to meeting you #J-18808-Ljbffr

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