System & Network Administrator

Senior Network Administrator
Company: Immortal | Location: Delhi | Experience: 5-7 Years | Employment Type: Full-Time

• Monitor intranet performance and implement security policies, firewall management, and Active Directory management.
• Administer network port management, installations, and IP addressing.
• Manage IP network devices (routers, switches), routing protocols (OSPF, BGP), LAN switching (STP, VTP), and WAN technologies.
• Handle DDoS detection and mitigation; generate reports via NMS and monitoring tools.
• Deploy and manage network monitoring/analysis tools; restore services during failures.
• Respond to fault alerts and complaints within set service limits.
• Apply knowledge of Layer 2 redundancy, IP fundamentals, VLANs, STP/RSTP, VRRP/HSRP, and security practices (firewalls, 802.1X, RADIUS, IDS).
• Implement network security via access-lists, port disabling, and MAC address filtering.
• Use network sniffing tools (e.g., Wireshark) for analysis.
• Maintain backups, redundancy, vulnerability assessment, and patching of network devices.
• Execute Information Security Engineer's instructions to mitigate cyber attacks.

Pay: ₹35,000.00 - ₹45,000.00 per month

Work Location: In person