Key Responsibilities
• Administer and maintain Windows and Linux servers – provisioning, configuration, patching, hardening, monitoring and lifecycle management – and support Active Directory, DNS, DHCP and file services
• Administer VMware and/or Proxmox virtualization platforms – provision, migrate, resize and decommission VMs, and manage capacity, snapshots and resource allocation
• Manage enterprise backup and disaster recovery – backup jobs, restore testing, retention policies and DR drills
• Manage day-to-day data center operations – racks, power, UPS, cooling, cabling, asset records and physical access controls
• Maintain physical server infrastructure – installation, troubleshooting (RAID, disks, memory, NICs, firmware), vendor escalation and AMC/warranty coordination
• Manage Windows/macOS endpoint patching, ensure patch compliance and report on vulnerability remediation
• Work with Information Security and SOC teams to implement security recommendations, hardening and vulnerability remediation within defined timelines
• Support FortiSIEM-based monitoring – onboard servers, devices and applications,



troubleshoot log collection and integrations, and analyze infrastructure-related SOC alerts
• Troubleshoot LAN/WAN and connectivity issues (TCP/IP, VLANs, DNS, DHCP, routing, VPN, NAT) and coordinate with the Network team on complex incidents. Support Cloudflare Zero Trust / ZTNA, WARP and access policies, and troubleshoot relatedconnectivity and access issues
• Monitor critical infrastructure, act as L2/L3 escalation point and resolve incidents within SLA; perform root-cause analysis and take part in change management, planned maintenance, upgrades and critical incident bridges
• Track infrastructure lifecycle – EOL/EOS, warranty expiry and capacity risks – and recommend refresh, consolidation and decommissioning initiatives
• Support ISO 27001, SOC 2, NIST and internal audits; maintain evidence for patching, backup, access control and vulnerability remediation
• Maintain infrastructure documentation (SOPs, runbooks, KB articles, diagrams) and collaborate with Network, Security, SOC, Cloud and Application teams and external partners

📌 Senior Infrastructure Engineer (Gurugram)
🏢 GreyOrange
📍 Gurugram