System Admin - ICCL - DR

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 

1. 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. 
  

2. Hyper-V Cluster Management 

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

• Perform and troubleshoot:  
  

• Live Migration vs Quick Migration 
  

• Cluster resource optimization 
  

• Ensure high availability with minimal downtime. 
  

3. 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. 
  

4. Networking & Virtualization 

• Configure and troubleshoot:  
  

• NIC Teaming 
  

• Virtual switches and network configurations 
  

• Ensure optimal network availability and fault tolerance. 
  

5. Incident & Problem Management 

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

• Troubleshoot performance issues using tools like:  
  

• Performance Monitor (PerfMon) 
  

• Event Viewer 
  

• Ensure timely resolution within SLA. 
  

6. IIS & Web Server Management 

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

• Implement IIS security hardening such as:  
  

• Enabling HTTPS and disabling weak ciphers 
  

• Configuring request filtering 
  

• Securing application pools 
  

7. OS Migration & Upgrades 

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

• Perform data backup, testing, and rollback planning. 
  

8. File Transfer & Security Protocols 

• Manage and configure secure file transfer solutions:  
  

• FTP vs SFTP