L3 Storage Administrator/ Infrastructure Engineer

CORNERSTONE GLOBAL PARTNERS PTE. LTD.; Singapore; On-site; SGD 120,000 - 150,000; Full time

Job summary

CORNERSTONE GLOBAL PARTNERS PTE. LTD. in Singapore seeks a senior Storage Administrator to own enterprise storage infrastructure.

You will drive administration, performance tuning, and disaster recovery across a multi-vendor environment, acting as the final escalation point for storage incidents. Responsibilities include provisioning, NetApp ONTAP, Dell EMC PowerMax, Pure Storage X-Series, SRDF/SnapMirror, and SAN fabric management, plus automation with Python/Ansible.

Qualifications

• Degree in Computer Science, IT, Engineering, or related field or equivalent experience.
• 8+ years in enterprise storage, with at least 3 years in L3 escalation.
• Hands-on Dell EMC PowerMax, Dell ECS, NetApp ONTAP and Pure Storage experience.

Responsibilities

• Administer and maintain enterprise storage arrays with provisioning, LUNs and access controls.
• Manage NetApp ONTAP clusters and file-sharing protocols (NFS/CIFS).
• Oversee FlashArray/FlashBlade via GUI/CLI and Pure1 for health checks.
• Implement data replication (SnapMirror/SnapVault, SRDF) and DR plans.
• Lead L3 escalation, RCA, and permanent corrective actions.
• Automate provisioning and maintenance with Python/Ansible.
• Configure Brocade DCX SAN fabric, zoning and troubleshooting.

Skills

PowerMax 2000

Dell ECS

ONTAP

AFF/FAS

SnapMirror

SnapVault

X-Series

Pure1

Brocade DCX

Python

Ansible

ITIL 4

Education

Bachelor's degree in CS/IT/Engineering

Tools

Pure1 Portal

Unisphere

Job description

We are looking for a highly skilledL3 Storage Administratorto 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 theL3 escalation pointfor 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:Minimum8 yearsof progressive experience in enterprise storage administration, with at least3 yearsoperating in anL3 escalation capacity.

• Technical Expertise:

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

  • NetApp:Strong experience withONTAPoperating system,AFF/FAShardware, SnapMirror, and SnapVault.

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

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

• Automation:Proven ability to write scripts usingPythonorAnsiblefor infrastructure automation.

• IT Service Management:Certified in or familiar withITIL 4framework 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.

  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.

  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.