Overview Are you a Senior IBM Mainframe Storage z System Architect - Direct-access Storage Device (DASD) who would like to have a positive impact for millions of people? If so, we may have an opportunity for you! TISTA associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account & Flexible Savings Account, Paid Life Insurance, Short-term & Long-term Disability, 401K Match, Tuition Reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more! Responsibilities + Provide DASD and tape storage administration support for our customers. + Manage storage pools for multiple customers and LPARs. + Perform problem diagnostics and resolution. + Create and oversee jobs for daily, weekly, and monthly backups. + Perform data and volume recovery. + Provide support on 24 x 7 x 365 basis across multiple time zones. + Interact with hardware and software vendors as required. + Maintain documentation of issue cause, action, and resolution in the designated problem tracking system. + In joint co-operation with the Disaster Recovery Services and other technical teams, successfully execute tasks associated with any given customer's disaster recovery plans. + Aid and assist other mainframe teams as required to support them and our clients. + Adhere to a schedule that efficiently manages resources and allows timely implementations. + Follow SNOW change control procedures + Experience with z System architectures (z/OS/z/VM) + Knowledge in z/OS , z/VM, SMP/E, JES/EJES , TSO / ISPF , DFSMS Management, Capacity Management, VTAM, and JCL + Knowledge on hardware such as IBM TS7700 series and EMC, VMAX + Experience in Installation and using IBM TS7700 series and EMC, replication software. + Primary administrator for storage tools DFSMS, DFHSM, DFRMM + Analyze and configure Mainframe DASD storage availability, SMS constructs, ACS routines + Monitor, support, maintain, and enhance associated storage, backups, and data replication for Sysplexes + Analyze and determine cause of Mainframe DASD space concerns + Configure Mainframe DASD space capacity where required + Analyze and configure required SMS modifications + Analyze and configure required Mainframe ACS code modifications + Monitor DASD storage resources for performance and available space + Process required Mainframe SMS construct modifications online using TSO logon + Test all changes using the test environment prior to installation. + Analyze, identify and perform catalog reorg’s + Analyze and configure management class constructs defining retention requirements for data sets + Knowledge and experience with SAS. + Understanding of JES3. + Knowledge of doing SMF or RMF research. + Ability to perform ISPF commands to manipulate data file editing. Qualifications + Experience with z System architectures (z/OS/z/VM) + Must have experience with DASD + Must have experience with storage + Knowledge in z/OS , z/VM, SMP/E, JES/EJES , TSO / ISPF , DFSMS Management, Capacity Management, VTAM, and JCL + Knowledge on hardware such as IBM TS7700 series and EMC, VMAX + Experience in Installation and using IBM TS7700 series and EMC, replication software. + Must be able to support 24 x 7 x 365 basis across multiple time zones. + Knowledge of MS teams + Knowledge and experience with SAS + Understanding of JES3 + Knowledge of doing SMF or RMF research + Ability to perform ISPF commands to manipulate data file editing Education: + Master’s degree (computer science, electronics engineering or other engineering or technical discipline) and 10 years of prior relevant experience. + Ten (10) years of additional relevant experience may be substituted for education: (20 years total) Clearance: + The ability to pass a Tier 4/HIGH Background Investigation Location: + Remote, USA + Monday - Friday (8:00 AM - 4:30 PM EST) Job ID2025-5589 Job LocationsUS-Remote-United States