System Administrator - Data Network L2

Tata Consultancy Services Ltd.
  • Chennai
  • Confidential
  • 3-7 years
  • 23 Jun 2015

  • IT/ Information Technology

  • IT/ Technology - Hardware & Networking, IT/ Technology - Data Center/ Manage Infrastructure Services
Job Description

Should have depth knowledge in Network Security Design, Application/Service Analysis, problem analyzing and project management skills.


Organizational and Administrative capabilities, Remote Access - Solution Design capabilities Technical expert in network security (preferred certifications CISSP, GIAC, CCIE)

Understand VLAN, subnetting, ACLs (downloadable, VLAN and interface) and routing Understand proxy technologies (PAC files) and load balancing (CSS)

Understand authentication technologies (RSA, Radius, Cisco ACS) Understand security infrastructure (firewalls - client and network, IDS/IPS, and reverse proxies)

Strong knowledge and working experience in troubleshooting, problem and performance analyzing

Good knowledge and working experience of traffic analyzing with Wireshark and Netscout Strong Network and Security troubleshooting Skills

Knowledge and working experience of Bandwidth and performance analysis tools ( Packeteer, NetQOS, MRTG etc) and Traffic analysis tools (Netscout) Understanding of SBR and RADIUS authentication and working knowledge of Juniper Steel Belt Radius

Good understanding and Experience on WLAN technology (802.11a/g/n)

Experience in handling of Juniper Firewall.

Experience in handling of 2 factor authentication ( RSA Authentication Manager)

Experience in handling and troubleshooting below devices: Cisco ASA, PIX, CSS, A10 Networks Loadbalancers Juniper SSL SA appliance, Juniper SBR, Cisco WLAN Controller and access points, Cisco NAC Guest Server BlueCoat Proxy RSA Security, TACACS Identifying route cause of the problem and escalating to re-solver group Vendor coordination for incident creation and escalation Follow ups on open incidents until resolution

Familiarity with ITIL process Should have very good communication and time planning skills


Maintaining the agreed SLA/KPI with Client Maintaining good team collaboration

Taking ownership of process and to make visible improvements in the same

Perform tasks without escalation and to actively take part in shift handover and take over

Job Posted By

Raviraj Jain
Experience Professional - Lead

About Organisation

Tata Consultancy Services Ltd.