Senior Network Administrator

5 days ago

bangalore, India Resillion Full time
Job Description

Job Role: Senior Network Administrator

Location: Bangalore (Hybrid Mode) 

Experience Range: 7-10 Years 

Overview: We are seeking an experienced Network Administrator to support our network operations and manage day-to-day changes in our network environment. The ideal candidate will have expertise in Fortinet Firewall, Forti Switches, and Forti WAP, along with a strong background in routing, switching, and network security.

Key Responsibilities:

  • Support daily network operations and implement changes in the network environment.
  • Configure, manage, and troubleshoot Fortinet Firewalls, Forti Switches, and Forti WAP.
  • Maintain expert knowledge of routers, firewalls, and switching systems.
  • Troubleshoot issues with firewall and traffic crossing the firewall (DMZ), with proficiency in routing protocols such as OSPF.
  • Stay abreast of Telecommunications Industry knowledge, Internet Concepts, Network Technical Support, Networking Concepts, Internet Fundamentals, VOIP, IP routing and Switching, LAN/WAN, and TCP/IP Administration.
  • Plan and perform device backups, updates, upgrades, patching, vulnerability remediation, and planned changes to maintain a secure and up-to-date network environment.
  • Drive severe or crisis incidents confidently and coordinate with vendors/OEMs for smooth resolution.
  • Create and maintain documentation of network configurations, troubleshooting procedures, and best practices.
  • Participate in on-call rotations to address critical network incidents and minimize downtime.
  • Demonstrate strong problem-solving skills and the ability to analyze and troubleshoot complex network issues.
  • Show awareness of Service Management concepts, including Monitoring/Ticketing tools and SR/IM/PM/CM.
  • Exhibit attention to detail and a proactive approach to identifying network issues.

Technical Skills:

  • Proficiency in Routing Protocols: OSPF, BGP.
  • Experience with LAN Switching, WAN, MPLS, and SD-WAN.
  • Knowledge of the TCP/IP protocol suite and Quality of Service.
  • Understanding of application protocols such as HTTP, HTTPS, FTP, SMTP, SNMP, SSL, etc.
  • Expertise in Network Security and Data Center Architecture (Network, Server, Storage).

Qualifications
  • Strong communication and escalation handling skills to effectively interact with customers and stakeholders.
  • Excellent knowledge of interpreting, preparing, and modifying HLD/LLDs Network Diagrams.
  • Extensive experience in routing, switching, and firewall management.
  • Strong analytical and troubleshooting skills in maintaining enterprise data networks.
  • Experience with network security concepts, including firewall policies, intrusion detection, and threat prevention.
  • Ability to troubleshoot network performance issues related to connectivity, bandwidth, and latency.
  • Experience with Fortinet products is highly desirable.
  • Experience with network security concepts, including firewall policies, intrusion detection, and threat prevention.
  • Hands-on experience with Forti Switches, Forti WAP, and Fortinet Firewall.
  • Capability to drive severe or crisis incidents and coordinate with vendors/OEMs for smooth resolution.

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