Shivanshu Vashishtha
Network And Security Engineer
Gurugram
Summary
Dynamic and results-oriented professional seeking a rewarding career within an innovative organization that values skills, knowledge, and a collaborative spirit. Proven expertise in network configuration, security management, and performance optimization, along with advanced troubleshooting techniques to efficiently resolve complex network issues. Strong understanding of network protocols and infrastructure management ensures robust and secure network operations that drive organizational success. Committed to contributing as a valuable asset to the team while fostering a culture of excellence and continuous improvement.
Overview
17
17
years of professional experience
2
2
Certifications
Work History
Network Engineer
DXC Technology
09.2022 - Current
- Working as a Network engineer as an implementation engineer which include WAN link migration, FW policy, configuring IPsec, Routing changes, F5 LTM, Riverbed, Cisco Wireless, New infrastructure set up and configuration, Firewall upgrade, Cisco ISE t shoot and policy implementation.
- Role: Network Engineer
- Post: Associate Manager
- Client: OneAmerica Financial
Network Engineer
Tata Consultancy Services
09.2015 - 09.2022
- Working as a Network Admin and supporting client global infrastructure (130 Sites) spread across US, UK, Europe, APAC from India.
- Working on remedy tickets raised by users and closing tickets based on SLA.
- Creating Virtual Server on F5 LTM for application load balancing.
- Creating, modifying server Pool, Monitor, Irule, SSL on F5 LTM.
- Troubleshooting issue related to applications which are hosted on F5.
- Troubleshooting Network & Application Slowness issues.
- Setting up IPSEC VPN tunnel with client Partners as on the requirement.
- Configuration VLAN, Port channel, trunk and Stack Switch, Changing VLAN of interface
- Setting with DMVPN tunnel between Datacenter and Branch office
- Configuration of SNMP and RMON on Switches, Routers so as to make it reachable from NOC.
- Vendor escalation for any device problem.
- Upgrading Cisco Switch IOS.
- Preparing Network Documentation, Design, Reports etc.
- Troubleshooting Wireless related issue and adding Access points in WLC.
- Configuring Cisco Switches and Routers.
- I have good experience in routing protocol like EIGRP, BGP and Other protocol like STP, HSRP, VRRP.
- Monitoring entire network devices on Solar wind and Truesight.
- Working with Vendor like Cisco, AT&T, Orange, F5, Riverbed, Tata, Verizon etc
- Role: Network Engineer
- Post: Associate Consultant
- Client: Boston Scientific Corporation
L2 Network Engineer
Cognizant Technology Solutions
08.2014 - 08.2015
- Working as a Technical Lead and supporting Client Global infrastructure spread across US, UK, Europe, Canada from India.
- Experience on Transition of new Projects.
- Installation, Implementation and configuration of Cisco Devices.
- Creating routes using Protocol like Static, RIP V2, EIGRP.
- Monitoring and troubleshooting of Client infrastructure.
- Configuration and troubleshooting of STP, HSRP, VRRP.
- Configuration of VLAN on L2, L3 switches.
- Configuration and troubleshooting of routing protocols i.e. Static, Default route, RIP, EIGRP, BGP.
- Configuration of SNMP and RMON on Switches, Routers so as to make it reachable from NOC.
- Vendor escalation for any device problem.
- Preparing Network Documentation, Design, Reports etc.
- Configuration of passwords for the switches.
- Configuration of Trunking on switches.
- Configuring the Cisco routers 2811, 1845 routers.
- Co-ordination & the escalation to get resolution on time with all the teams.
- Role: Technical Lead
- Post: Technical Lead
- Client: Patheon Pharmaceuticals
Technical Solution Architect
Tech Mahindra Limited
03.2011 - 08.2014
- Working as a Technical Solution Architect for the clients of AT&T and preparing Technical Solution Document and associated Cost Solution document.
- Up gradation, migration and designing of AT&T client’s network of US region.
- Providing solution using different devices like Cisco Nexus 7K, 5K and 2K, Cisco 29xx, 37xx, 45xx, 65xx, 72xx 76xx series hardware.
- Understand the existing network architecture by referring to the design documents.
- Request will contain replacement, up gradation and add more configurations in existing Hardware.
- Maintain the proper documentation which gives the overview of design the requested changes.
- Utilize the tools as specified by AT&T to document the technical solution, cost and pricing in the manner prescribed by AT&T.
- Interact with Sales/service delivery/end customer for understanding their requirement and providing the solution on that basis.
- Creating BOM for networking devices from different vendors like Cisco, F5, Juniper, Infoblox etc.
- To Analyze/size each network related business cases as per the scope mentioned in the case.
- Role: Technical Solution Architect
- Post: Senior Network Engineer
- Client: AT&T
Senior Engineer
Alcatel-Lucent Managed Solution
09.2009 - 02.2011
- Installation, Implementation and configuration of Cisco Devices.
- Creating routes using Protocol like Static, RIP V2, EIGRP, OSPF.
- Monitoring and troubleshooting of reliance office network.
- Configuration and troubleshooting of STP, HSRP, VRRP, GLBP.
- Installation of Network devices and troubleshooting of Routers and Switches.
- Configuration of VLAN on L2, L3 switches (2960, 3750, 4500 series)
- Configuration and troubleshooting of routing protocols i.e. Static, Default route, RIP, EIGRP, OSPF.
- Configuration of SNMP and RMON on Switches, Routers so as to make it reachable from NOC.
- Vendor escalation for any device problem.
- Preparing Network Documentation, Design, Reports etc.
- Co-ordination & the escalation to get resolution on time with all the teams.
- Technical support for installation and configurations of Cisco Routers, switches to customer.
- Resolve problems in coordination’s with other teams.
- Network Surveillance in 24/7 environments.
- Role: Senior Engineer
- Client: Reliance Comm.
Drive Test & Optimization
Nokia Siemens Networks Pvt Ltd (Outsource from Mafoi)
09.2008 - 09.2009
- Analyzed the Drive test log files using TEMS Investigation. The activities included foot printing of all the sites in order to control the site overshoot, cell dragging, interference elimination, monitoring of RX Quality, two way neighbor relations, locating handover failures, call drops, call blocks, coverage holes, improving and expanding coverage areas after comparing the data of prediction and its measurement taking the terrain conditions into consideration.
- Wireless Survey of inside building.
- Solving Cable SWAP, Overshooting of Sector by down tilting and Less Calls by Re-Orient site azimuth.
- Generated Coverage predictions, Co-channel/Adj-channel interference area plots, suggested improvement of coverage by skewing sectors, down tilt/Uptilt, power increase/decrease, by using better gain antennas.
- Role: Drive Test & Optimization
- Client: Nokia Siemens Pvt Ltd.
Education
Bachelor of Technology - Electronics & Telecommunication
Hindustan College of Science and Technology
Mathura, UP01.2007
HSC - 12th
Kendriya Vidyalaya
Bulandshahr, UP03.2002
SSC - 10th
Kendriya Vidyalaya
Bulandshahr, UP03.2000
Certification
Cisco Certified Network Associate (CCNA) – Cisco ID: CSCO12244211.
CAREER ABSTRACT
- Bachelor’s Degree in Engineering (B.Tech) – Electronics & Telecommunication
- 16 years of experience in Operations & Maintenance, Implementation in the Networking Industry.
- Presently working with DXC technology
- A strategic planner with expertise in co-ordination.
- Experience in Cisco router, Cisco switches. Cisco Nexus Switches, F5 LTM, Cisco Wireless, Cisco ISE . Checkpoint, Palo alto firewall, basis of Riverbed
- Experience in transition project in Singapore, US and UK.
- Sound knowledge of networking concepts of LAN, WAN Technology.
- Expertise in Visio professional to create and update the network diagram.
- Expertise in MS-Excel to prepare any report and analysis.
PERSONAL INFORMATION
- Fathers’ Name: Mr. Ramakant Sharma
- Date of Birth: 1985-08-24
- Gender: Male
- Location: Gurugram, Haryana
- Marital Status: Married
Timeline
Network Engineer
DXC Technology
09.2022 - Current
Network Engineer
Tata Consultancy Services
09.2015 - 09.2022
L2 Network Engineer
Cognizant Technology Solutions
08.2014 - 08.2015
Technical Solution Architect
Tech Mahindra Limited
03.2011 - 08.2014
Senior Engineer
Alcatel-Lucent Managed Solution
09.2009 - 02.2011
Drive Test & Optimization
Nokia Siemens Networks Pvt Ltd (Outsource from Mafoi)
09.2008 - 09.2009
Bachelor of Technology - Electronics & Telecommunication
Hindustan College of Science and Technology
HSC - 12th
Kendriya Vidyalaya
SSC - 10th
Kendriya Vidyalaya