Ashish Dubey
Senior Netwrok Security Engineer
Hyderabad,TG
Summary
To build my career in a progressive organization that will provide me an exciting opportunity to learn more and utilize my skills into the infrastructure networking field. My key strength is my ability to learn more and produce results within a reduced time frame, willing to work as a key player in challenging and creative environment.
Overview
13
13
years of professional experience
2
2
Certifications
Work History
Senior Security Engineer (L3 Engineer)
Syniverse Technology
06.2019 - Current
- L3 Engineer resolve complex network issues, often requiring in-depth analysis and creativity to find solutions.
- Responsibly in designing, implementing, and maintaining robust and scalable network infrastructures, including planning for redundancy and disaster recovery.
- Automate repetitive tasks and implement scripts for network configuration and management using tools like Python or Ansible.
- Ensuring the smooth Network connectivity to all the locations spread across all over PAN Asia.
- Understanding and implementing network security protocols and best practices is vital for protecting sensitive data.
- Designed and delivered complex network solutions.
- Designed network layouts using Visio applications.
Senior Security Engineer
Genpact Pvt Ltd. (Cox Communication)
10.2016 - 03.2018
- Responsible for cooperative Network for Cox communication.
- Responsible for Cox communication Data Center infrastructure.
- Need to Handel Firewall & Riverbed, Load Balancers queries.
- Upgrade IOS, on Cisco route, Juniper firewall & A10 Load Balancer.
- Configure L3 protocols (IP, BGP, OSPF, EIGRP, IGRP, RIP, HSRP), redistribution, summarization, Filtration (using distribute list, route map, prefix list, access list).
- Implementation and provisioning of new VPN customers in Cisco IP/MPLS-VPN Network using different routing protocols.
- Migrating Site to Site VPN customer from old ASA 8.3 to New ASA 9.1 Devices (350 VPN L2L Tunnels).
- Configuration of Zones and providing different security levels and policies to enhance security.
- Assigning RSA Token to new users.
- Configuration of access-list to mitigate the attacks from different geographical location.
- Configuration of Static NAT, extended access-list on Cisco ASA and Juniper firewall.
- Managing Network virtualization through Multiple VLAN configuration.
- Performed in all new up gradation, Migration and Physical/Logical/Configurationally Changes for Global Customers.
- Configuring the policy based routing with extended ACLS.
- Created and Educated team members on the process related Documents.
Senior Security Engineer
Genpact Pvt Ltd. (Invensys)
10.2015 - 09.2016
- Responsible for cooperative Network for Invensys.
- Responsible for Migration Invensys infrastructure network.
- Install and configure Cisco Routers and Cat Switches as per the requirements.
- Implementation of IP based backbone based on routing protocols, Complete working knowledge of HSRP.
- Ensuring the smooth Network connectivity to all the locations spread across all over PAN Asia.
- Configure L3 protocols redistribution, summarization, Filtration (using distribute list, route map, prefix list, access list).
- Designed and delivered complex network solutions.
- Designed network layouts using Visio applications.
Senior Network Engineer
Tech Mahindra
09.2014 - 10.2015
- Responsible for IBM Blue Sky WAN & LAN of whole US, Canada & EMEA Region.
- Responsible for IBM Red network & SNI infrastructure.
- Need to Handel Load balancer & riverbed quarries.
- Need to Handle IBM Non-commercial & commercial 40 accounts.
- Part of Trusted Cloud and Hosting Services of AT&T which provides Managed hosting services for Major clients in US and also provides cloud infrastructure for Infrastructure as a Service.
- Configure L3 protocols (IP, BGP, OSPF, EIGRP, IGRP, RIP, ISIS, HSRP), redistribution, summarization, Filtration (using distribute list, route map, prefix list, access list).
- Implementation and provisioning of new VPN customers in Cisco IP/MPLS-VPN Network using different routing protocols (e.g. MP-BGP, OSPF, Static, and others which are required).
- Performing Test & Turn-up (TTU) for all Global Customers which includes installation, troubleshooting and replacement of circuits for provisioning on PE routers, CE router configuration.
- Configured & done troubleshooting of circuits for provisioning on all model of routers e.g. Cisco 7200 5400 , 2800, 1900, 2900, 3800, 3750.
- Migrating Customer’s network replace circuits (T1,ISDN,DSL,Frame-relay) links and replace end of life (EOL) devices Routers, Switches, and configuring BGP, SNMP, AAA, DMVPN ,site to site VPN , health check , sweep check and migrate Customer’s LAN network.
- Network, Redistributions of deferent routing protocols to make them live and reachable to other network.
- Managing Network virtualization through Multiple VLAN configuration.
- Performed in all new up gradation, Migration and Physical/Logical/Configurationally Changes for Global Customers.
- Diagnose network and circuit problems.
- Created and Educated team members on the process related Documents.
- Adhering to the client Process.
Network Engineer –Level 2
Net Connect Pvt Ltd. (HCL CommNet)
02.2014 - 09.2014
- Switching/L2 Configuration of: VSS, Inter VLAN routing and VTP on Cisco switches.
- Advanced Spanning-Tree features – RSTP, MSTP.
- Ether Channel (L2 & L3, LACP and PAGP).
- Configuring the switches with VLANs, STP and VTP.
- VLANs to support private VLANs for enhanced security within VLANs.
- Enabling Port fast, BPDU guard, BPDU filtering, UDLD, Root guard and Loop guard.
- Configuring SPAN, Remote-SPAN, and Port based traffic control like storm control, protected ports, and enabling port-security feature.
- Install and configure Terminal /console servers and access Switches for LAB infrastructure.
- Routing/L3 Routing Protocols – EIGRP, RIP (v1, 2), OSPF, BGP.
- HSRP & VRRP for default gateway redundancy, and DHCP.
- Configuring NAT (Static, Dynamic and Port Overloading) and PAT.
- Cisco Network Engineer with LAN/WAN network skills to provide design and implementation services in the areas of Network infrastructure, computation jobs.
- Installing, configuring & maintaining network equipment & devices; implementing structured cabling, routers and switches.
- Cisco IOS software, Handling cases on IOS up gradation and migration.
- Install and configure Cisco Routers and Cat Switches as per the requirements.
- Implementation of IP based backbone based on routing protocols such as OSPF & BGP.
- Complete working knowledge of HSRP.
- Ensuring the smooth Network connectivity to all the 340 locations spread across all over India.
- Checking all the parameters of Leased Lines connected across Important Major Locations.
- Load Balancing between DC & DR as well as Links connected at Both Ends.
- Troubleshooting all networking issues to ensure minimum downtime and maximum availability of network.
- Managing configuration and maintenance of Cisco Routers (7206, 3745, 3640, 2811, and 1841) & Switches (2950, 2960).
Network Engineer
Dhii Health Tech Pvt Ltd (Wipro)
06.2012 - 02.2014
- Monitoring Router Cisco 7200 VXR series, L3 Switches Cisco 3560 & ME 3400 & 20 Cisco 2950 L2 Switches distributed throughout the city connected in Ring.
- Monitoring & maintaining servers running 24x7x365 Days (DNS Server, Web server, Mail server, Radius server, 24 online server, VOIP Server, Client servers – (Mikrotik).
- Resolve day-to-day technical issues involving email, network issues, applications, hardware & peripherals, routers & switches, etc.
- Maintained Daily & weekly report of all the UP/Down links.
- Configuration the Routers and Switches.
- Configuration the layer3 protocols like OSPF, BGP and EIGRP.
- Creating VLANS in switches, monitoring the errors & status of the ports for all the switches connected in the RING NETWORK.
- Maintenance of all the uplinks from ISP’s & Downlinks to our Clients.
- Escalations to higher in levels if issues not resolved in stipulated time.
- Monitoring and Network Efficiency Analysis of all the uplinks from ISP like load, connectivity (VPN’s, Leased Circuits).
- Configuration Tunnels with authentication.
- Up to OC-48 speed, Frame Relay, ATM, ISDN, xDSL, Load Balancing, Multi Homing.
- Resolve day-to-day technical issues involving, routers & switches, network issues and applications Etc.
- Daily log a call in E-Helpline raised the ticket and rectified the issue.
- Monitoring the MPLS, P2P VPN and ISDN using the software what’s up Gold, IBM Netcool & BPMC Tools.
Education
B.com - Computers
Osmania University
C.E.C - undefined
Board of intermediate education
S.S.C - undefined
secondary board of education
Skills
SD-WAN
VPN's
Routing Protocols
Switching Protocols
TCP/IP Protocol Suite: IP, UDP, TCP, ICMP, ARP, RARP
Cisco series switches: IOS, Nexus, Catalyst
Network security expertise
Firewall installation
Network automation (Python)
VXLAN designs and troubleshooting
Certification
CSCO12142828, 640-902, CCNP Route Certified
Technical Skills
RIP-V1, RIP-V2, EIGRP, OSPF, BGP, VTP, STP, RSTP, MST, PVST, ISL/802.1Q, IP, UDP, TCP, ICMP, ARP, RARP, IOS, Nexus, Catalyst, IP, sub netting, VLSM, VPN, DHCP, DNS, A10 Load Balancer, Riverbed, ASA, Juniper SRX, Checkpoint, Palo Alto
Timeline
Senior Security Engineer (L3 Engineer)
Syniverse Technology
06.2019 - Current
Senior Security Engineer
Genpact Pvt Ltd. (Cox Communication)
10.2016 - 03.2018
Senior Security Engineer
Genpact Pvt Ltd. (Invensys)
10.2015 - 09.2016
Senior Network Engineer
Tech Mahindra
09.2014 - 10.2015
Network Engineer –Level 2
Net Connect Pvt Ltd. (HCL CommNet)
02.2014 - 09.2014
Network Engineer
Dhii Health Tech Pvt Ltd (Wipro)
06.2012 - 02.2014
C.E.C - undefined
Board of intermediate education
S.S.C - undefined
secondary board of education
B.com - Computers
Osmania University