Role Overview -

The L2 Infrastructure Support Engineer is responsible for managing, operating, and supporting the organizations server infrastructure across Windows and Linux platforms. This role includes administration of Active Directory (AD), SAN/NAS storage systems, and handson involvement in security operations such as Antivirus, Privileged Access Management (PAM), XDR/EDR, DLP, and email access security controls. The engineer will work closely with L3 and SOC teams to ensure secure, reliable, and high-performing IT services.

Key Responsibilities

1. Server Management (Windows & Linux)

- Perform installation, configuration, and administration of Windows Server (2016/2019/2022) and Linux Server environments (RHEL, CentOS, Ubuntu).
- Monitor and manage server performance, system logs, patching, kernel updates, and OS-level troubleshooting.
- Maintain and manage IIS, DHCP, DNS, NTP, FTP, and other server roles.
- Troubleshoot OS issues, performance bottlenecks, disk utilization, and memory or CPU spikes.
- Support virtualization platforms (VMware/Hyper-V) for VM provisioning, snapshots, and resource allocation.

2. Active Directory (AD) Management

- Manage and maintain Active Directory users, groups, OU structure, and Group Policy Objects (GPOs).
- Perform password resets, account unlocks, security policy updates, and AD cleanup activities.
- Implement, troubleshoot, and maintain AD replication, DNS integration, FSMO roles, and AD health monitoring.
- Support Azure AD, ADFS, and hybrid identity integrations (if applicable).

3. Storage Infrastructure (SAN & NAS)

- Perform L2 operations for SAN (Storage Area Network) and NAS (Network Attached Storage) systems.
- Manage LUN allocation, zoning, masking, and storage provisioning.
- Monitor storage health, performance, capacity utilization, and backup/restoration jobs.




- Troubleshoot storage connectivity issues related to Fibre Channel, iSCSI, and NFS/SMB file shares.

4. Security Operations Support Antivirus & Endpoint Security

- Manage enterprise antivirus solutions (e.g., Symantec, Trend Micro, McAfee, Defender).
- Monitor virus outbreaks, remediate infected endpoints, and ensure AV definitions are up to date.

PAM/PEM (Privileged Access Management)

- Support Privileged Access Management tools (CyberArk, BeyondTrust, etc.).
- Manage privileged credential checkouts, vault policies, session recordings, and PAM access requests.

XDR/EDR

- Support configuration and operations of EDR/XDR tools (CrowdStrike, SentinelOne, Sophos, Defender XDR).
- Review alerts, escalate incidents to SOC, and perform L2 triage of endpoint threats.

DLP (Data Loss Prevention)

- Monitor DLP alerts and support DLP policy enforcement on endpoints, email, and cloud apps.
- Investigate data leak events and support remediation actions.

Email Access Control

- Support Exchange/365 email security controls, transport rules, spam/quarantine management, and mailbox access control.
- Work with SOC/email security tools (Proofpoint, Mimecast, Exchange Online Protection).

5. Incident, Change, and Problem Management

- Provide L2 support for incidents related to server, storage, and security operations.
- Troubleshoot issues escalated from L1 and coordinate with L3/architect teams when required.
- Perform root cause analysis and document preventive measures.




- Participate in scheduled maintenance, planned changes, and patching activities.

6. Monitoring & Documentation

- Monitor servers, storage, and security tools using enterprise monitoring solutions (Nagios, SolarWinds, PRTG, Zabbix).
- Maintain up-to-date configurations, SOPs, knowledge base articles, server inventory, and compliance documents.
- Generate operational reports for server uptime, storage utilization, and security events.

Required Technical Skills

- Windows Server Administration (2016/2019/2022)
- Linux Server Administration (RHEL/CentOS/Ubuntu)
- Active Directory, DNS, DHCP, GPO
- VMware/Hyper-V virtualization
- SAN/NAS management (EMC, NetApp, Dell, HP, IBM or similar)
- Antivirus enterprise solutions
- PAM/PEM tools (CyberArk, BeyondTrust, etc.)
- XDR/EDR platforms
- DLP technologies
- O365/Exchange security operations
- Scripting knowledge (PowerShell, Bash) Preferred
- Understanding of ITIL processes

Soft Skills

- Strong analytical and troubleshooting abilities
- Good communication and documentation skills
- Ability to handle pressure and prioritize tasks
- Team collaboration and process adherence

Qualifications

- Bachelors degree in IT/Computer Science or equivalent
- 3–7 years of experience in L2 Infrastructure/Server Support roles

- Relevant certifications preferred
- Microsoft (MCSA/MCSE, AZ-104)

- Red Hat RHCSA/RHCE

- VMware VCP

- ITIL Foundation
- Security certifications (Security+, CYSA+, etc.) – Optional

Key Deliverables

- High availability and performance of server and storage systems
- Timely resolution of incidents and service requests
- Accurate AD, server, and storage documentation
- Compliance with security policies and audit requirements
- Effective interaction with SOC, L1, and L3 teams for secure operations

📌 Infrastructure Support Engineer (Noida)
🏢 Shivalik Small Finance Bank
📍 Noida