About the job :

We are seeking a skilled and experienced System Administrator (L2) to manage, maintain, and optimize Windows Server environments, Hyper-V clusters, and enterprise infrastructure.

The ideal candidate should have strong troubleshooting skills, hands-on experience in server management, clustering, patching, and IIS administration.

Key Responsibilities :

Server Administration & Maintenance :

- Manage and administer Windows Server environments (2012/2016/2019/2022).

- Perform server provisioning following standard checklists and best practices.

- Ensure system availability, performance tuning, and capacity planning.

- Monitor system health and proactively resolve issues.

Hyper-V Cluster Management :

- Configure and manage Failover Clusters and Hyper-V environments.

- Perform and troubleshoot:

1. Live Migration vs Quick Migration

2. Cluster resource optimization

3. Ensure high availability with minimal downtime.

Patch Management & Security :

- Execute monthly OS security patching across standalone and clustered environments.

- Apply patches with minimum downtime strategies (Cluster Aware Updating).

- Maintain compliance with organizational security standards.

- Perform vulnerability remediation and system hardening.

Networking & Virtualization :

- Configure and troubleshoot:

1. NIC Teaming

2. Virtual switches and network configurations

3. Ensure optimal network availability and fault tolerance.

Incident & Problem Management :

- Handle major/critical incidents, perform root cause analysis (RCA).

- Troubleshoot performance issues using tools like:

1. Performance Monitor (PerfMon)

2. Event Viewer

3. Ensure timely resolution within SLA.

IIS & Web Server Management :

- Install, configure, and troubleshoot IIS (Internet Information Services).

- Implement IIS security hardening such as:

1. Enabling HTTPS and disabling weak ciphers

2. Configuring request filtering

3. Securing application pools

OS Migration & Upgrades:

- Plan and execute physical server OS migrations with minimal business impact.

- Perform data backup, testing, and rollback planning.

File Transfer & Security Protocols:

- Manage and configure secure file transfer solutions:

1. FTP vs SFTP