Core Networking-routing

2 days ago

Telangana, India Zensar Technologies Full time

**Responsibilities**
- 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
- 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

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