Professional - L3 Network

Best InfoSystems Ltd.
  • Bangalore, Hyderabad, Noida
  • Confidential
  • 8-10 years
  • 31 Dec 2015

  • IT/ Information Technology

  • IT/ Technology - Hardware & Networking
Job Description

8 to 10 years experience in the troubleshooting and performance management of Data Center /ISP infrastructure networks.
Customer service skills and client focus
Strong communication and interpersonal skills including an ability to convey technical information using non-technical language
Analytic nature - for example, quick to read and analyze designs, technologies and components and how they may be combined to achieve a unique outcome
Ability to step back and take an objective view of a problem a logical process-orientated person
Excellent communication skills to be able to explain architectures to clients and MS operations staff
Ability to communicate the value that an architectural solution can bring to IT and business stakeholders
Good Presentation and/or Training skills
Excellent Reporting skills
Excellent Problem Solving skills
Ability to work in a high pressure environment
Monitor, troubleshoot, and escalate production problems as per operations processes, affecting the network infrastructure that includes Routers , Switches, Firewalls and Load Balancers.
Troubleshoot and resolve hardware and software issues of LAN/WAN , Firewalls and Load Balancers, Mcafee web gateways and end point protection devices.
Troubleshoot Routing and performance related issues on the LAN/WAN.
Implement change requests as per business needs on Routers, Switches, Firewalls and Load Balancers.
Work with the vendor\product in delivery of data network service, hardware and software to agreed service levels.
Supervising responsibilities including interviewing and training/coaching NOC team members.
Keep up to date with new networking products and services .
Handling and escalating highly impacting operational issues to upper Management and/or 3rd party vendor escalation.
Network and structure cabling design and Implementation.
Perform vendor interaction with internal and external support organizations.
Participate in team projects and project/technology transition.
Troubleshoot, and escalate production problems affecting the network and systems infrastructure.
Identify and resolve chronic issues.
Knowledgeable in the following data circuit technologies TDM, MPLS, Ethernet, EoSDH and POS
Expert knowledge in service provider level networking with knowledge in TCP/IP, Routing Protocols (OSPF and BGPv4, RIP etc.). Specific knowledge of BGP, OSPF and IP protocols in MPLS & none MPLS Environment.
Good understanding of high availability fundamentals .
Hands-on experience on Juniper SRX Firewalls.
Hands-on experience on Load Balancers ( Array Networks).
Hands-on experience of LAN switching technologies: STP, Trunking, EtherChannel.
Expert Knowledge of VPN technologies and IPSec , SSL and GRE protocols.
Understanding of network protocols like FTP, TFTP, NTP, SNMP, DNS, DHCP.
Internet Firewalls: Juniper SRX in Active/Standby HA .
Intrusion Prevention System: Mcafee Devices at DC and DR.
Web & IM Proxy: Mcafee EPO/HIPS/NIPS/SIEM.
Web Antivirus: Mcafee Web Gateway.
Web Content Filtering: Mcafee Security Suite at DC and DR.
SSL VPN: Juniper .
Daily review and analysis of all audit logs for security violations and suspicious activities.
Daily Health checks on the integrity of critical network settings (e.g. user list, firewall rules, ACL, logging, IPS logs, Firewall Logs etc.).
Security administration and support activities (e.g., firewall rules, ACLs and other network and appliance settings added/deleted/modified, etc.)
L1 & L2 Troubleshooting for Security Devices. L3 Problems to be escalated and followed up for closure with OEM/principles
Patch Management & version upgrades for Security software/appliances
Security Incident Reporting.
Documentation of Existing Security Setup and keeping it current all the times.
Should have experience OR strong conceptual skill in Network Security and IT Security of large infrastructure.
Hands on experience in Vulnerability Auditing, Security Monitoring, Web filtering, RSA Token handling, Patch Management, Backup and Restoration procedures, License Management and Migration of Network Security Devices.
Should have knowledge on ITIL V3 Framework. Experience in any Incident Management Ticketing tool. Strong conceptual knowledge on Incident Management and Change Management.
Must have Strong oral and written communication Skill.
Professional attitude with customer centric approach.
Should be a good TEAM PLAYER
Process DNS domain reservation
Add / Cancel/ Block internet sites for user access on HTTP / HTTPS / FTP services (Proxy)
Handle Request for Socks Application creation, Socks Access cleaning, Socks Access modification
Manage SSL certificates acquisition and renewal
Add VPN access for users / Web servers filters
Open internet site access for users /Prioritize work orders
Very good understanding & experience on Network Security technology Firewalls Juniper,
IPS/IDS, VPN) and on Network & Security monitoring tool (nimsoft).
Client Focus to maintain service up-time in line with SLA terms.

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Best InfoSystems Ltd.