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In Time Tec

Senior Network Administrator - L3

Jaipur · Senior

Older listing - lower visibility likelyVerified listingPosted 39d ago

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97Experience

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Skills required

31 listed
TCP/IPNetwork InfrastructureNetwork SecurityNetwork TroubleshootingPacket LossWeb FilteringTraffic ShapingNetwork Segmentation+23 more
TCP/IPNetwork InfrastructureNetwork SecurityNetwork TroubleshootingPacket Loss

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Job description

Senior Network Administrator - L3

Experience: 6+ Years | Employment Type: Full-Time | Level: Senior / L3

Position Summary

We are looking for an experienced Senior Network Engineer with 7+ years of hands-on experience in enterprise networking. Candidate will be responsible for designing, implementing, managing, monitoring, and troubleshooting enterprise network infrastructure.

The role requires strong practical knowledge of routing, switching, firewalls, wireless, VPN, WAN, network security, and network troubleshooting. The candidate should be capable of independently handling complex incidents, network changes, upgrades, and infrastructure projects while providing technical guidance to junior engineers.

Key Responsibilities

  • Design, configure, manage, and troubleshoot enterprise LAN/WAN infrastructure.
  • Strong Layer 2 and Layer 3 troubleshooting capabilities.
  • Configure and troubleshoot VLANs, trunking, STP/RSTP/MSTP, LACP/EtherChannel, inter-VLAN routing, ACLs, QoS, HSRP/VRRP.
  • Strong understanding of OSPF, BGP, EIGRP, and Static Routing.
  • Troubleshoot routing loops, packet loss, latency, route flapping, and connectivity issues.
  • Analyze routing tables, ARP/MAC tables, STP topology, and network traffic.
  • Hands-on experience with Cisco, Aruba, or equivalent enterprise networking platforms.
  • Configure, manage, and troubleshoot enterprise firewalls.
  • Hands-on experience with Fortinet, Palo Alto, Cisco ASA/Firepower, or equivalent.
  • Configure and troubleshoot security policies, NAT/PAT, ACLs, application control, web filtering, IPS/IDS, SSL inspection, traffic shaping, and HA.
  • Troubleshoot firewall-related connectivity and security issues.
  • Perform firewall configuration backup, restoration, upgrades, and basic hardening.
  • Implement network segmentation and security best practices.
  • Configure, manage, and troubleshoot enterprise wireless infrastructure.
  • Configure SSIDs, VLAN mapping, guest Wi-Fi, captive portal, WPA2/WPA3, 802.1X, RADIUS, and roaming.
  • Troubleshoot wireless authentication, connectivity, coverage, interference, and performance issues.

Network Troubleshooting & Operations

  • Act as an L3 escalation point for complex network incidents.
  • Perform structured troubleshooting and identify root cause.
  • Troubleshoot LAN, WAN, routing, switching, firewall, VPN, wireless, Internet, and network security issues.
  • Use tools such as Wireshark, Ping, Traceroute, Nslookup/Dig, packet capture, and vendor CLI.
  • Analyze network logs, alerts, and traffic flows.
  • Perform Root Cause Analysis (RCA) for major incidents.
  • Identify recurring problems and recommend permanent solutions.
  • Monitor network availability, performance, bandwidth, latency, errors, and packet drops.
  • Work with network monitoring and management platforms.

Technical Skills

TCP/IP | IPv4/IPv6 | Subnetting | VLAN | Trunking | STP/RSTP/MSTP | LACP | HSRP/VRRP | ACL | QoS | OSPF | BGP | EIGRP | Static Routing | Fortinet | Palo Alto | Cisco ASA | NAT | Security Policies | IPS/IDS | Application Control | Web Filtering | SSL Inspection | Traffic Shaping | Network Segmentation | HA | IPSec | Site-to-Site VPN | SSL VPN | Aruba | Cisco | Ruckus | Fortinet | VLAN Mapping | 802.1X | RADIUS | WPA2/WPA3 | Captive Portal | Roaming | DNS | DHCP | DHCP Relay | FQDN | NTP | RADIUS | TACACS+

Qualifications

  • Bachelor's degree in computer science, Information Technology, Electronics & Communication, Computer Engineering, or a related technical field, or equivalent industry experience.

Preferred Certifications

  • CCNA
  • CCNP Enterprise
  • Fortinet FCP / relevant Fortinet certification

Palo Alto certification

Department

Information Technology

Open Positions

2

Skills Required

TCP,Subnetting,VLAN,Trunking,BGP,Fortinet,Palo Alto, Cisco ASA, Aruba, Cisco, Ruckus, VLAN Mapping,SSL Inspection, ACL, NTP, RADIUS, DHCP Relay,

Years Of Exp

6 to 9 years

Salary

700000 to 2000000

tags

TCP,Subnetting,VLAN,Trunking,BGP,Fortinet,Palo Alto, Cisco ASA, Aruba, Cisco, Ruckus, VLAN Mapping,SSL Inspection, ACL, NTP, RADIUS, DHCP Relay

Designation

Senior Network Administrator

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Your match scoreFree · sign in
86Overall
64Skills
97Experience

Your score for this role already exists

ASAI compared this JD against 41 signals - skills, seniority, domain, stack overlap etc. Add a resume and it unlocks in about 30 seconds.

Always free · no credit card · 1 tap with Google

Free · no signup

Get tomorrow's jobs before you have to search

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Why people use ASAI

Someone shared one job with you. ASAI keeps finding the rest.

  • Scored, not searched. Every role ranked against your actual profile.

  • Alerts as often as hourly. Reach new roles while the pile is still small.

  • Skill gaps, spelled out. See exactly which requirements you don't meet yet.

  • Verified jobs, only. Say no to ghost jobs. Your time deserves respect.

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