Krishna Yadav

Experience

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  Global IT Point Pvt. Ltd

  Apr 2011 - Dec 2015

  Network Engineer/Network Security Engineer

  • Managing the Datacenter and administering LANs, WANs internet/intranet• Responsible for communication protocols, configuration, integration & security• Configuration, monitoring and troubleshooting Routing and Switching related problems• Work on L2/L3, VMware and wire-shark and Information security

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  Mehansh Software Solution

  Dec 2015 - Oct 2016

  Technical Support Engineer

  1. Ensure client IT infrastructure and systems remain operational through proactivelyidentifying, investigating and resolving technical incidents and problems; and torestore service to clients by managing incidents to resolution.2. Provide Security Information and event Management (SIEM) Services. The SIEMServices will include the maintenance and management of the SIEM SystemComponents, including health checks, system updates, database maintenance andany required ongoing optimization of relevant SIEM System Components. 3. Provide log management, reporting and analytics for security events to supportregulatory compliance initiatives, internal threat management and security policycompliance management.4. Provide near real-time monitoring for security events, and assist IT security operationspersonnel to identify and be more effective in responding to external and internalthreats.5. Troubleshoot and resolve complex, critical and sensitive support issues over thephone or through web session and electronically.6. Works on Microsoft Windows, WMI collector, Snare for windows, BlueCoat WebProxy, Snort IDS/IPS and knowledge of basic LINUX administration. Show less

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  DEEPKIRAN FOODS PRIVATE LIMITED (Deep Foods)

  Oct 2016 - Nov 2018

  Senior Network Administrator

  • Configuration and troubleshooting IPSEC VPN, MGRE, EZVPN tunneling, Routing, Switching, EIGRP, OSPF and BGP related problems• Work on L2/L3, VMware and wire-shark and Information security• Configuration and troubleshooting Cisco pix/ASA (firewall), ASA5516 with firepower• Configuration and Troubleshooting DMVPN, L2L, EZVPN, SSL etc• Configuration and maintaining IPS/IDS• Configuration and troubleshooting of WLC (2508), and AP’s• IOS upgradation of Routers (ISR and CSR), Switches (Catalyst), Firewalls (ASA), Untangle UTM• Work on RSA signature, CA certificates and ACS server (AAA)• Managing users and policies for Web Filtering using WSA• Work on Cacti, NetBrain Show less

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  IOPEX technologies

  Nov 2018 - Dec 2019

  Technical Support Engineer

  • Detected and rectified issues proactively or as they emerge, coordinating with relevant technical teams until full resolution is achieved• Assumed comprehensive responsibility for overseeing incident resolution within the stipulated service level parameters• Executed device and software upgrades on Paloalto firewall and Panorama devices• Implemented Palo Alto design and installation (including Application and URL filtering, Threat Prevention, and Data Filtering), also handling the configuration and maintenance of IPSEC, SSL VPNs, HA, Security Policies, and PBF Palo Alto Firewalls• Take on the responsibility for the design, configuration, implementation, troubleshooting, and support for Palo products• Conducted in-depth root cause analyses for complex problems and devise effective solutions• Delivered telephonic and remote support to clients in the US (North America) Show less

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  VOIS

  Dec 2019 - Aug 2022

  • Directed a 20+ strong team as an experienced Manager with a decade-long career in Network Security, Build, and Operations, ensuring Network Security Build Compliance as per Security Policies• Delivered Level-3 Support, swiftly troubleshooting, and implementing emergency changes in the network to maintain seamless services• Executed complex tasks such as Routing, Switching, BGP, VPN (IPSec and SSL) modifications, and Security changes• Undertake IOS upgrades for Routers (ASR, ISR, CSR), Switches (Nexus and Catalyst), and Firewalls (ASA, Fortigate, FTD, Paloalto)• Conducted thorough Vulnerability Assessment closures and end-to-end mitigation• Engaged actively with the Change Advisory Board (CAB) to validate changes and perform Impact analysis related to Vulnerability Mitigation• Demonstrated proficiency in multiple remedy ticketing tools like FixedLine, BMC, SNOW, Assyst• Leveraged considerable experience with Tufin and Algosec for enforcing Firewall policies and monitoring tech logs• Troubleshoot and offer remote support to major UK clients such as Aviva, Centrica, L&G, and Morrisons Show less • Directed a 20+ strong team as an experienced Manager with a decade-long career in Network Security, Build, and Operations, ensuring Network Security Build Compliance as per Security Policies• Delivered Level-3 Support, swiftly troubleshooting, and implementing emergency changes in the network to maintain seamless services• Executed complex tasks such as Routing, Switching, BGP, VPN (IPSec and SSL) modifications, and Security changes• Undertake IOS upgrades for Routers (ASR, ISR, CSR), Switches (Nexus and Catalyst), and Firewalls (ASA, Fortigate, FTD, Paloalto)• Conducted thorough Vulnerability Assessment closures and end-to-end mitigation• Engaged actively with the Change Advisory Board (CAB) to validate changes and perform Impact analysis related to Vulnerability Mitigation• Demonstrated proficiency in multiple remedy ticketing tools like FixedLine, BMC, SNOW, Assyst• Leveraged considerable experience with Tufin and Algosec for enforcing Firewall policies and monitoring tech logs• Troubleshoot and offer remote support to major UK clients such as Aviva, Centrica, L&G, and Morrisons Show less

  • Manager (Security Specialist)

    May 2021 - Aug 2022

  • Deputy Manager (Security Specialist)

    Dec 2019 - May 2021
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  Netcracker Technology

  Aug 2022 - now

  Senior Network Security Specialist

  • Collaborating proactively with diverse teams as an integral component of the Security and IT collective at Netcracker• Contributing and facilitating the inception and ongoing development of our customer solutions' network environments, from initial design to consistent upkeep• Diagnosing and rectifying issues related to firewalls, Routers, and Switches, with a focus on root cause analysis and prevention• Executing the installation, configuration, and maintenance of Cisco and Fortinet firewalls, along with other switching and peripheral devices within the environment• Constructing both internal and customer-oriented documentation, encapsulating aspects such as network topology, procedural guidelines, instructional details, solution diagrams, and more Show less