Enterprise Mainframe Architect | Security Clearance

CMS/Public Trust clearance eligibility required

We are seeking an experienced Senior Enterprise Architect to support enterprise IBM z/OS storage infrastructure across multiple data center environments. This position combines deep technical expertise in mainframe storage administration, architecture, configuration, capacity management, troubleshooting, disaster recovery, and operational support
.

The ideal candidate will bring extensive experience administering IBM z/OS storage environments, including SMS, HSM/DFSMShsm, RMM, DASD, ACS routines, and storage groups
, along with exposure to technologies such as Dell EMC Power Max, Luminex Mainframe Virtual Tape, zEDC, Dino Software T-REX/UDM, and IBM TDMF
.

The role will support approximately 20 LPARs across three storage environments/data centers and will work closely with internal infrastructure teams and technology vendors to maintain highly available, reliable, and efficient storage services.

• Provide senior-level administration and technical guidance for IBM z/OS enterprise storage environments
  .
• Configure, administer, monitor, and optimize SMS storage groups, storage pools, HSM/DFSMShsm, and RMM
  .
• Develop, maintain, test, translate, validate, and activate SMS ACS routines using ISMF.
• Define and maintain appropriate SMS constructs within the z/OS storage environment.
• Initialize, configure, and maintain DASD devices
  .
• Perform DFSMSdss full-volume and logical dataset dump and restore activities.
• Monitor storage utilization, capacity, system health, and alerts and proactively address potential issues.
• Develop and maintain storage management and utilization reporting
  .
• Provide break/fix troubleshooting and root-cause support for storage-related incidents.
• Support Dell EMC Power Max storage and SRDF replication where applicable.
• Support virtual tape infrastructure, including Luminex Mainframe Virtual Tape (MVT), storage pools, LSCRUP processes, and Luminex GUI.
• Support and optimize zEDC (zEnterprise Data Compression) capabilities.
• Work with Dino Software T-REX and UDM products within the mainframe storage environment.
• Participate in storage migrations and related activities using technologies such as IBM TDMF for z/OS
  .
• Coordinate closely with technology vendors for installations, upgrades, troubleshooting, and ongoing product support.
• Assist vendor-led installations and perform product upgrades as required.
• Participate in on-call support
  , system monitoring, and response to production alerts.
• Participate in scheduled disaster recovery exercises and support storage recovery preparedness.
• Use Service Now for incident, problem, request, and change-management activities.
• Follow established change, incident, and problem management processes, including required change-ticket documentation and advance work planning.
• Provide architectural and strategic guidance related to storage infrastructure while remaining capable of performing hands‑on storage administration and troubleshooting.

• Bachelor's degree required. No substitution for the degree requirement.
• 11+ years of related IT experience.
• 4+ years of experience in corporate planning or strategic development
  , which may be concurrent with overall IT experience.
• Extensive hands‑on experience with IBM z/OS storage administration
  .
• Strong experience with:
• SMS / System Managed Storage
• SMS ACS routines
• ISMF
• HSM/DFSMShsm configuration and administration
• RMM configuration and administration
• SMS storage groups and utilization monitoring
• DASD initialization and configuration
• DFSMSdss dump and restore
• Experience supporting production environments through monitoring, alert response, troubleshooting, change management, and on‑call support
  .
• Ability to work effectively with infrastructure…