Infrastructure Support Engineer: Enterprise Storage & Legacy Systems

Our enterprise-level client in Oklahoma City, OK, has an immediate need to add an Infrastructure Support Engineer – Enterprise Storage & Legacy Systems to the team.  Please see below for full details--

Job Notes:

-Long-term contract with multi-year potential.

-Onsite in Oklahoma City, OK

-Drug & Background required.

Pay Rate = $50 w2 per hour

Work Environment:

·        This is a full-time, on-site position based in Oklahoma City, OK, supporting a 24x7 enterprise production environment with on-call responsibilities.

Position Summary:
Merge IT is seeking an experienced Infrastructure Support Engineer to provide on-site support for an enterprise data center engagement. This role is responsible for the operations, maintenance, monitoring, and break/fix support of legacy and mission-critical platforms including IBM AS/400 (IBM i), IBM storage, HPE 3PAR storage, and HPE NonStop systems. The ideal candidate brings deep hands-on expertise across heterogeneous infrastructure and thrives in a high-availability, enterprise production environment.

Key Responsibilities:

·        Provide L2/L3 support, administration, and break/fix services for IBM AS/400 (IBM i / Power Systems) environments, including OS upgrades, PTFs, subsystem management, and job scheduling.

·        Administer and maintain IBM storage platforms (e.g., DS8000, FlashSystem/Storwize, SAN Volume Controller), including provisioning, replication, and capacity management.

·        Manage and support HPE 3PAR / Primera storage arrays, including LUN provisioning, zoning, remote copy, performance tuning, and firmware management.

·        Operate and support HPE NonStop (Tandem) systems, including Guardian/OSS environments, TACL, subsystem monitoring, and fault-tolerant configuration management.

·        Monitor infrastructure health, respond to alerts, and resolve incidents within defined SLAs.

·        Perform root cause analysis, document resolutions, and maintain runbooks and operational procedures.

·        Coordinate with OEM vendors (IBM, HPE) for hardware failures, warranty, and escalations.

·        Support patching, firmware updates, backup/recovery operations, and change management activities.

·        Participate in an on-call rotation and provide after-hours support as required for the production environment.

Required Qualifications:

·        5+ years of enterprise infrastructure support experience in a production data center environment.

·        Hands-on administration of IBM AS/400 (IBM i) on Power Systems.

·        Experience with IBM enterprise storage platforms (DS8000, FlashSystem, Storwize, or SVC).

·        Experience administering HPE 3PAR / Primera storage arrays.

·        Working knowledge of HPE NonStop (Tandem) systems and the Guardian operating environment.

·        Strong understanding of SAN concepts (fabric, zoning, multipathing, replication).

·        Familiarity with ITIL-based incident, problem, and change management processes.

·        Ability to work on-site in Oklahoma City and participate in on-call rotation.

Preferred Qualifications:

·        Relevant certifications (IBM Certified System Administrator – i, HPE storage/NonStop certifications).

·        Scripting experience (CL, shell, PowerShell) for automation.

·        Experience supporting large retail or pharmacy enterprise environments.

·        Experience working within an MSP or third-party managed services delivery model. 

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