Network Administrator

'Responsibilities :
● Install, configure and manage LANs, WANs, wireless networks, routers, switches, firewalls, SDWAN (Software defined WAN) 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
● 7+ years of network administration/engineering experience required
● Experience troubleshooting and tuning WLAN networks
● Expertise in WAN/LAN 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, AAA, IPSec)
● Technical expertise in: Firewall, IPS, SSL, VPN, malware defense, web content filtering, Cisco and Palo Alto firewall Administration, Routing, Switching, WLAN, CloudGenix , 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'