L3 Storage Administrator/ Infrastructure Engineer

We are looking for a highly skilled L3 Storage Administrator to take ownership of our enterprise storage infrastructure. This is a senior technical role responsible for the administration, performance tuning, and disaster recovery of a multi-vendor storage environment. The ideal candidate will serve as the final escalation point (L3) for complex storage incidents, driving root cause analysis and implementing permanent solutions to ensure maximum system availability.

Key Responsibilities

• Storage Administration & Provisioning

  • Administer and maintain enterprise storage arrays including provisioning, LUN creation, volume management, and access control (mapping/masking).

  • Manage NetApp ONTAP clusters (nodes, SVMs, aggregates) and configure file-sharing protocols (NFS/CIFS).

  • Oversee FlashArray and FlashBlade environments using native GUI, CLI, and predictive analytics tools (e.g., Pure1).

• Data Protection & Disaster Recovery

  • Implement and manage data replication strategies including NetApp SnapMirror/SnapVault and Dell SRDF for business continuity.

  • Develop, maintain, and test disaster recovery plans and operational runbooks/SOPs.

• SAN Fabric Management

  • Configure, monitor, and troubleshoot Brocade DCX SAN switches, including fabric zoning, port management, and connectivity issue resolution.

• Performance & Capacity Planning

  • Proactively monitor storage utilization, IOPS, and latency trends using tools like Active IQ, Unisphere, and Pure1.

  • Perform capacity planning to accommodate business growth and optimize performance.

• Incident & Change Management

  • Act as the L3 escalation point for critical, high-impact storage outages and performance degradations.

  • Lead deep Root Cause Analysis (RCA) and implement permanent corrective and preventive actions.

  • Execute firmware upgrades, OS patching, and maintenance activities following structured ITIL change management processes.

• Vendor & Automation

  • Collaborate with vendor Technical Assistance Centers (TAC) for hardware replacements, bug escalations, and complex troubleshooting.

  • Develop automation scripts (Python/Ansible) to streamline repetitive provisioning, reporting, and maintenance tasks.

Mandatory Qualifications & Experience

• Education: Degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent practical experience).

• Experience: Minimum 8 years of progressive experience in enterprise storage administration, with at least 3 years operating in an L3 escalation capacity.

• Technical Expertise:

  • Dell EMC: Deep hands-on experience with PowerMax 2000 and Dell ECS (object storage). Proficiency in SRDF configuration and management.

  • NetApp: Strong experience with ONTAP operating system, AFF/FAS hardware, SnapMirror, and SnapVault.

  • Pure Storage: Experience managing X-Series (X20/M20) FlashArrays and using the Pure1 portal.

  • SAN Networking: Strong proficiency with Brocade (specifically DCX directors) including advanced zoning, fabric monitoring, and troubleshooting.

• Automation: Proven ability to write scripts using Python or Ansible for infrastructure automation.

• IT Service Management: Certified in or familiar with ITIL 4 framework for incident, change, and problem management.

Good-to-Have Skills (Desirable but not mandatory)

• Experience with multi-cloud hybrid storage architectures (Azure/AWS integration).

• Knowledge of other backup solutions or object storage platforms.

  If you believe you fit the requirements for the role, please submit your application below or drop us an email directly quoting the job title.

  Due to an anticipated high volume of applicants, we regret that only shortlisted candidates will be notified. The information provided is for recruitment purposes only.

  Cornerstone Global Partners (EA License Number: 19C9859) is an affirmative equal-opportunity employer and recruitment firm. We evaluate qualified applicants without regard to race, colour, religion, creed, gender, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.

  (Scarlett) Zhang Jifan
  [Confidential Information]

  EA Registration Number: R26159541.

  Cornerstone Global Partners Pte Ltd (EA License: 19C9859)