# L2 Infrastructure System Engineer

> Questronix Corporation · Makati, Philippines · — · Posted 2026-11-06

**Workplace:** on_site

## Description

### Job Description: 

-   Provide Level 2 (L2) operational support for enterprise server and storage infrastructure, including Windows and Linux systems across Production, UAT, and Development environments. 

-   Perform advanced troubleshooting and incident resolution for server- and storage-related issues escalated from L1 support teams. 

-   Monitor server and storage health, performance, capacity, and availability using enterprise monitoring tools, and take corrective actions when required. 

-   Manage server administration tasks, including user access, services management, system logs, disk utilization, and performance tuning. 

-   Support storage administration and operations, including storage provisioning, LUN allocation, volume management, and capacity monitoring. 

-   Perform storage troubleshooting related to disk failures, storage latency, connectivity, IOPS, and capacity utilization. 

-   Support enterprise storage technologies, including SAN, NAS, and DAS environments. 

-   Perform basic SAN administration, including LUN mapping, zoning coordination, and storage connectivity troubleshooting. 

-   Support storage technologies and protocols such as Fibre Channel (FC), iSCSI, NFS, and SMB. 

-   Monitor storage performance and investigate issues related to storage latency, throughput, and I/O performance. 

-   Support RAID configurations, disk replacement coordination, and storage array health monitoring. 

-   Manage server provisioning, configuration, and patch management following established standards and procedures. 

-   Troubleshoot OS-level issues, application dependencies, and network connectivity problems impacting server and storage operations. 

-   Manage backup and restore operations using enterprise backup tools and ensure backup job success and data recovery readiness. 

-   Support storage backup, replication, snapshots, and recovery operations. 

-   Perform root cause analysis (RCA) for recurring server and storage incidents and recommend preventive actions. 

-   Support virtualized environments such as VMware vSphere, ESXi, and Microsoft Hyper-V, including VM monitoring, basic provisioning, and troubleshooting. 

-   Execute approved infrastructure changes, maintenance activities, storage expansion, and system upgrades in accordance with change management procedures. 

-   Maintain and update technical documentation, operational procedures, and knowledge base articles. 

-   Collaborate with network, storage, database, application, and vendor support teams during incident resolution and service restoration. 

-   Ensure compliance with security policies, patching standards, access control procedures, and infrastructure operational standards. 

-   Provide on-call support and participate in a 24/7 shift-based operational environment when required.

## Requirements

### Qualifications:

-   **Hands-on experience with Windows Server and/or Linux server administration.**
-   **Strong understanding of server infrastructure, operating systems, and system performance monitoring.**
-   Experience with virtualization platforms such as **VMware vSphere, ESXi, or Microsoft Hyper-V.**
-   **Knowledge of Active Directory administration, including user and group management, Group Policy, and authentication services.**
-   Familiarity with enterprise storage technologies such as **SAN, NAS, and DAS.**
-   Basic to intermediate knowledge of storage administration, including LUN provisioning, volume management, storage capacity monitoring, and disk management.
-   Understanding of RAID levels, disk technologies, storage performance, and I/O troubleshooting.
-   Familiarity with storage protocols such as **Fibre Channel, iSCSI, NFS, and SMB.**
-   **Knowledge of storage platforms such as Dell EMC, NetApp, HPE, IBM, or similar enterprise storage solutions.**
-   **Familiarity with backup and recovery solutions such as Veeam, Commvault, NetBackup, or similar tools.**
-   Understanding of backup policies, snapshots, replication, and disaster recovery concepts.
-   Understanding of server patch management, system updates, and security hardening practices.
-   **Experience troubleshooting server and storage performance issues involving disk utilization, memory, CPU, latency, IOPS, and service failures.**
-   **Basic knowledge of network troubleshooting, including TCP/IP, DNS, DHCP, VLANs, and connectivity validation.**
-   **Familiarity with enterprise monitoring tools such as SolarWinds, Zabbix, Nagios, SCOM, or similar platforms.**
-   **Experience with ITSM platforms such as ServiceNow, Jira, or similar ticketing systems.**
-   Good analytical, problem-solving, communication, and technical documentation skills.
-   Understanding of ITIL processes, including Incident, Problem, and Change Management.
-   **Willingness to work in 24/7 shifting schedules and on-call support environments.**

## Apply

[Apply at Questronix Corporation](https://apply.workable.com/questronix-corporation-2/j/CB586099A5/apply)

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