Ajay Kuamr
Delhi
Summary
Dynamic Network Administrator with extensive experience at Comviva, specializing in firewall configuration and VPN management. Proven track record in enhancing network security and optimizing performance through strategic troubleshooting. Adept at implementing routing protocols and fostering team collaboration to resolve complex issues efficiently.
Overview
15
15
years of professional experience
Work History
Network Administrator
Comviva
Gurgaon
06.2018 - Current
- Managed integration of advanced firewall solutions, Cisco ASA 5525, Palo Alto 1410.
- Designed, implemented, and maintained security policies, including URL filtering, application control, and traffic filtering.
- Configured Palo Alto firewalls with Active Directory for user identification.
- Managed NAT (Network Address Translation), VPN, and SSL decryption policies for secure communications.
- Consistently updated and refined security rules in response to changing standards.
- Deployed and managed threat prevention features, including Anti-Virus, Anti-Spyware, Vulnerability Protection, and URL Filtering.
- Integrated Palo Alto’s WildFire sandboxing technology to detect and prevent unknown threats.
- Configured Global Protect VPN providing secure remote access.
- Configured site-to-site and remote access VPNs using IPsec and SSL VPN technologies.
- Managed and configured GlobalProtect VPNs to enable secure, remote user connectivity to internal networks.
- Troubleshot VPN-related connectivity issues and optimized VPN performance.
- Migration of ASA 5525 to Palo Alto.
- Configured and managed Cisco Nexus switches.
- Proficient in configuring VLANs, spanning tree protocol (STP), trunking, port channels, and EtherChannels on Cisco Nexus devices.
- Hands-on experience with Nexus 5000, 7000, and 9000 series switches.
Network Engineer
ChiNetworks India Pvt LTd
Delhi
01.2018 - 05.2018
- Oversaw Datacenter Networks across Chicago, Dallas, South Bend, & India.
- Resolving challenges related to network routing.
- Executed advertisement of fresh IP prefixes in BGP as needed.
- Updated BGP configuration by eliminating redundant advertising IP prefixes.
- Managed the synchronization of BGP IP prefix lists across various sites.
Team Leader
Extramarks Education India Pvt LTD
Delhi
08.2016 - 01.2018
- Tracked all logged incidents.
- Managed ticket process.
- Created and maintained team member roster plans.
- Managing configuration and troubleshooting of all Network devices used in Data center L-2 (7200 Core Router, 6509 Series Core Switch ,4948 Switch ,Call Manager )
- L-1 (F-5 LTM, Checkpoint, ASA 5580 Cisco, ACS, Reverbed CMC)
- Managing configuration and troubleshooting of All Router 1800 ,2800 ,860 ,3500 provided in all India locations .In this we are running the BGP ,Static Routing ,SNMP & DHCP .
- Configuration for VC for Domestic and International Call by using different IP .Configuring of new VOIP 6945,7940 on Call Manager and Managing Of STD ,ISD ,Local group .
- Check the bandwidth and usage of bandwidth by using the Net Flow Analyzer tool, and also monitor all routers by the SolarWinds tool.
- Coordinating with the ISP service provider in case there is a technical issue and escalation.
- Handle all the escalations related to network and voice, and provide the appropriate solution by mail and by call.
- Providing the support to the regional engineer related to any kind of network problem.
- Updating the ticket according to update of call in Remedy Tool .
- Check the logs of all routers every day on the SolarWinds tool.
- Provide the support to Server and AS-400 team related to network port on core switch and IP Address In Datacenter .
Team Leader
Netconnect Pvt.Ltd.
Delhi
02.2011 - 07.2016
- Resolved complex BGP routing complications.
- Troubleshooting the VRRP protocol.
- Troubleshooting of failover between MPLS/MPLS and MPLS/DSL.
- Administered the setup and resolution of issues for network hardware in Data Center L-2, featuring the use of 7200 Core Router and 4948 Switch.
- Set up and managed new VOIP 6945, 7940 devices on Call Manager and handled STD, ISD, local groups.
- Utilized Solerwind tool to oversee all routers.
- Coordinating with the ISP service provider in case there is a technical issue and escalation.
- Resolved network and voice-related escalation cases through call and email support.
Network Engineer
InTarvo Technologies Ltd.
Delhi
04.2010 - 01.2011
- Utilized Dynamic VPN to interlink 210 sites.
- Configured and troubleshooted H3C MSR 50-60 and MSR 20-15 routers.
- Configured Nortel 1210 IP phones for SIP server registration.
- Handled setup and debugging of FAX ATA converters.
- Resolved issues with ISDN Dial-up backup links for remote sites.
- Managed Cisco 2800 and 3500 series routers
Education
Some College (No Degree) - Computer Science
H.P Board of Technical Education
HimachalSkills
- Network security
- Firewall configuration
- VPN management
- Routing protocols
- Network troubleshooting
- Troubleshooting and diagnosis
- VPN configuration
- Switch configuration
- Router configuration
Accomplishments
- Migration from Cisco ASA 5525 to Palo Alto 1410 received awards
Languages
Hindi
First Language
English
Intermediate (B1)
B1
Timeline
Network Administrator
Comviva
06.2018 - Current
Network Engineer
ChiNetworks India Pvt LTd
01.2018 - 05.2018
Team Leader
Extramarks Education India Pvt LTD
08.2016 - 01.2018
Team Leader
Netconnect Pvt.Ltd.
02.2011 - 07.2016
Network Engineer
InTarvo Technologies Ltd.
04.2010 - 01.2011
Some College (No Degree) - Computer Science
H.P Board of Technical Education
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