Hemant Kumar

Experience

• 

  SMS group

  Sept 2016 - Jul 2018

  Trainee Engineer

  Produced detailed reports and compelling technical presentations, leveraging insights to drive informed decision-making. Executed proactive LAN maintenance and upgrades, showcasing hands-on approach to hardware and network troubleshooting. Assumed responsibility for configuration, integration, and security of communication protocols, ensuring robust and secure network operations.

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  Zeetron Networks Pvt. Ltd. India

  Aug 2018 - Jun 2020

  Network Engineer

  Initiated proactive customer engagement through calls, collecting logs and executing fundamental troubleshooting to resolve issues. Generated and insightful summaries of troubleshooting calls, creating valuable knowledge repository for future reference. Steered configuration of access lists in alignment with stringent security standards, bolstering network integrity. Facilitated seamless integration of systems into domains, enhancing overall network efficiency. Managed Active Directory issues, demonstrating proficiency in troubleshooting and problem resolution. Show less

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  Orange Business Services

  Jun 2020 - Nov 2023

  Spearheaded incident and change management operations by utilising Service Now and Cherwell ticketing tools for ensuring swift and effective issue resolution. Demonstrated proficiency in L2 support for Cisco routers and switches, specializing in routing protocol such BGP , OSPF , MPLS and adeptly handling both LAN and WAN issues for clients. Collaborated with L3 engineers to resolve high-critical issues and implement configurations crucial for network stability. Directed capture and analysis of traffic in Palo alto firewalls, leveraging logs to troubleshoot issues effectively. Administered migration of traditional Cisco infrastructure to Cisco Meraki SD WAN, enhancing network efficiency and performance. Monitored and troubleshot overall customer network, ensuring seamless operations. Supported a diverse technology stack, including Cisco Meraki, MPLS, Zscaler, and Palo Alto Firewall. Show less Spearheaded incident and change management operations by utilising Service Now and Cherwell ticketing tools for ensuring swift and effective issue resolution. Demonstrated proficiency in L2 support for Cisco routers and switches, specializing in routing protocol such BGP , OSPF , MPLS and adeptly handling both LAN and WAN issues for clients. Collaborated with L3 engineers to resolve high-critical issues and implement configurations crucial for network stability. Directed capture and analysis of traffic in Palo alto firewalls, leveraging logs to troubleshoot issues effectively. Administered migration of traditional Cisco infrastructure to Cisco Meraki SD WAN, enhancing network efficiency and performance. Monitored and troubleshot overall customer network, ensuring seamless operations. Supported a diverse technology stack, including Cisco Meraki, MPLS, Zscaler, and Palo Alto Firewall.● Successfully navigated and resolved high-critical issues, collaborating closely with L3 engineers to implement essential configurations.● Led efforts in providing escalation support and delivering Root Cause Analysis (RFO) reports to clients.●Supported customer network comprising Cisco routers, switches, Meraki devices, Zscaler, and Palo Alto and Cisco ASA firewalls.● Partnered with backbone team to address customer concerns related to website reachability and latency over backbone network.●Successfully migrated from traditional cisco infrastructure to Cisco meraki SDWAN●Led expert-level L2 support for Meraki and Cisco Routers, participating in troubleshooting escalation calls with customers to swiftly resolve connectivity issues.● Resolved complex Meraki challenges encompassing MX, MS, and MR devices, addressing concerns, such as WAN failures, DNS misconfigurations, failed failovers, Master/Master setups, firmware upgrades, site isolation, DNS and DHCP issues, and TCP anomalies.●Investigated and solved Zscaler-related challenges by troubleshooting traffic routes on ZIA portal. Show less

  • Senior Network Engineer

    Jun 2020 - Nov 2023

  • Senior Network Engineer

    Jun 2020 - Nov 2023