Senior System Administrator

Pon Pure

8 - 12 years

25 - 30 Lacs

chennai

Posted:-1 days ago| Platform:

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Skills Required

vmware administration manager linux dns windows troubleshooting virtualization dhcp firewall capacity planning

Work Mode

Work from Office

Job Type

Full Time

Job Description

HCI & Virtualization Management
- Administer and optimize Nutanix HCI clusters
- Manage VMware/Hyper-V environments (migrations, patching, troubleshooting)
- Perform resource utilization analysis and capacity planning
Server & OS Administration
- Oversee Windows Server (AD, GPO, File/Print, DNS, DHCP) and Linux server environments
- Implement OS hardening, patching, and backup procedures
- Perform DR/BCP readiness including Azure Site Recovery, replication testing, and failover drills
Datacenter, Network & Cloud Operations
- Manage on-prem DC servers, racks, and network devices
- Oversee cloud integrations (Azure, OCI, AWS) for DR, backup, and hybrid workloads
- Solid understanding of L2/L3 networking, VLANs, VPNs, Zero Trust, segmentation
- Policy-based firewall and WAF/WAAP configuration knowledge
- Monitor server room health (UPS, PDU, AC, temperature sensors)
Security & Compliance

Manage & Support Firewalls, MFA s, Security operations, Audit fixings, EDR/XDR (SentinelOne), and vulnerability remediation. Ensure audit readiness (ISO, VAPT, DR drills, cyber-insurance)

Storage & Backup Expertise-
Strong in Backup solutions Cloud Backup, NAS, backup retention, secondary backups, and restore testing
Operational Support & Escalations
- Handle Level 2&3 escalations for critical incidents
- Lead RCA (Root Cause Analysis) for infra and security-related issues
- Mentor and guide junior team members with knowledge-sharing and delegation

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