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Zensar Technologies

CORE NETWORKING-ROUTING & SWITCHING - CISCO

Zensar Technologies
India · Full-time · Entry
Responsibilities

 JOB DESCRIPTION

  • Install, configure, and manage LANs, WANs, wireless networks, routers, switches, firewalls (PaloAlto), SDWAN - Cloud Genix and other network hardware.
  • Responsible for a large WAN environment, involving multiple networks and data centers, ensuring maximum availability and capacity while ensuring adequate security.
  • Work effectively on cross-departmental projects
  • Support network administration of a 24x7 infrastructure; participate in 24x7 on call rotation.
  • Perform troubleshooting analysis of problems with network infrastructure, working with ISP or vendors
  • Manage network user access and permissions.
  • Manage network systems back up.
  • Document network problems and resolution for future reference
  • Maintain network diagrams and documentation
  • Generate and maintain documentation as it relates to network configuration, network mapping, processes, and service records
  • Monitor network performance, and implement performance tuning
  • Apply knowledge of firewalls and intrusion detection systems
  • Provide prompt communication and status reports on critical activities
  • Ensure proper security practices are followed in accordance with established IT policies and procedures, PCI and SOX Compliance.
  • Install, configure VOIP phones, thin clients/desktops for new users.
  • Manage cabling and telecom infrastructure to ensure smooth operations of our customer delight center.
  • Work closely with business and other IT teams to fulfill infrastructure requirements for new hires, office relocations.

Requirements

  • Bachelor’s Degree in Computer Science, Information Technology or similar
  • Network administration/engineering experience required
  • Experience troubleshooting and tuning WLAN networks
  • Expertise in WAN/LAN, SDWAN and transport technologies (Ethernet, MPLS, TDM circuits)
  • Proven ability to work with logical design models (Spanning tree, VTP, VLANs, physical cabling)
  • Knowledge of network protocols (CoS, PoE, NTP, DNS, DHCP, SMTP,VPC), network management protocols (CDP, TFTP, SNMP) and security protocols (SSH, HTTPS/SSL, AAA, IPSec)
  • Technical expertise in: Firewall, IPS, SSL, VPN, malware defense, web content filtering, Cisco and Palo Alto firewall Administration, Routing, Switching, WLAN,SDWAN.
  • Networking: Switches, Routers, VPN, Servers, Firewalls, LAN, WAN, TCP/IP, DNS, UDP, Latency, VoIP, QoS, EIGRP, BGP, OSPF, NHRP, ATM, PPP, MPLS
  • Experience with e-commerce technologies, such as SSL and load-balancing
  • Working knowledge of IP communication and routing (OSPF, EIGRP, BGP)
  • Working knowledge to maintain Cisco Nexus environment
  • Experience working in a team-oriented, joint environment, preferably in a 24/7/365 Retail/ eCommerce organization
  • Experience with SolarWinds or equivalent enterprise monitoring and analysis toolset
  • Experience with disaster recovery – planning, implementation and maintenance
  • Methodical, meticulous person who is prepared to help instill the processes, standards and best practices in a diverse fast-changing environment
  • Experience with highly virtualized environment utilizing networked storage and cloud computing
  • Industry certifications desired: PAN and Cisco

Key Skills

Ranked by relevance

firewalls firewall switches routers eigrp cloud ospf voip vpn wan ssl dns network administration security practices palo alto wireless ethernet storage nexus snmp dhcp mpls wlan lan ips bgp udp ntp ssh pan
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Posted
Dec 22, 2025
Type
Full-time
Level
Entry
Location
Telangana
Company
Zensar Technologies

Industries

IT Services IT Consulting

Categories

Information Technology

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