HARKESH KUMAR

Experience

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  New Distinct services (NDS)

  Jan 2018 - Dec 2018

  Network Operations Center Engineer

  1. Real-Time Monitoring: Actively monitoring network nodes through TeMIP and responding to network down alerts.2. Alarm Management: Managing and investigating HRT alarms and cross-checking with the TRT team for GBM/ODC issues.3. Level-2/3 Troubleshooting: Providing high-level support to troubleshoot and resolve complex network issues.4. Ticketing and Event Management: Raising trouble tickets and following up on open issues in HP Service Manager.5. Network Configuration: Handling day-to-day network configurations, including IP assignments, VLAN setups, trunking, HSRP, and Ethernet. Show less

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  Telecrats India

  Jan 2019 - Jan 2020

  Network Engineer

  1. Check network monitoring tools for any alerts related to switches, routers, VLANs, trunk links, and other network components.2. Work on configuring and troubleshooting HSRP (Hot Standby Router Protocol) for gateway redundancy on routers and switches.3. Configure the Port Fast feature on access links to optimize the spanning tree protocol (STP) convergence time.4. Implement MAC address binding for critical servers in the data center to prevent MAC address flooding or spoofing.5. Assign VLANs to switch ports as per the network design and verify correct VLAN tagging and access port configurations.6. Configure EtherChannel between switches or switches and routers to increase bandwidth and provide redundancy and troubleshoot EtherChannel issues, ensuring the proper negotiation of LACP or PAgP protocols. Show less

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  Rosenberger Group

  Jan 2020 - Mar 2022

  Network Engineer

  1. Deployed routers, switches, and Palo Alto firewalls across multiple locations, ensuring optimal performance and security.2. Configured IP addresses on router interfaces, enabling efficient network communication.3.Enabled SSH, routing, and configured user access credentials for enhanced security and user management.4. Conducted troubleshooting and configuration of EIGRP, HSRP, OSPF, and ISIS protocols, along with static routing to ensure network reliability.5. Developed new IP address schemes tailored for various customers and clients, optimizing network performance. Show less

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  Overture Rede

  Jun 2022 - Oct 2023

  Sr. Network Engineer

  1. Deployed and configured Palo Alto firewalls, specifically PA-500, PA-850, and PA-2000 series, ensuring compliance with PAN-OS 8.1, 9.1, and 10.1.2. Executed configuration of NAT and PAT rules as per traffic flow requirements, enhancing performance and security.3. Managed URL and application allowances based on specific customer requirements, optimizing access controls.4. Configured, managed, and tuned security monitoring tools to ensure robust network security.5. Set up site-to-site VPNs between different customers, providing secure connectivity and communication. Show less

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  HCLTech

  Oct 2023 - Nov 2024

  Network Specialist

  ➣ AWS Cloud Networking: Implement and manage AWS networking components, such as VPCs, subnets, route tables, and security configurations.➣ Storage Solutions: Set up and manage S3, EBS, EFS, and snapshots for data storage.➣ Load Balancing & Auto Scaling: Configure elastic load balancers and auto-scaling groups to ensure high availability and resilience.➣ VPN & Direct Connect: Configure secure connectivity between AWS and on-premises environments using VPNs, Direct Connect, and Palo Alto firewalls.➣ Security Configuration: Manage and configure AWS security mechanisms like security groups, NACLs, and firewalls.➣ Routing & DNS: Manage DNS using Route 53, including routing policies and health checks.➣ Team Collaboration: Work closely with teams to design, implement, and maintain AWS infrastructure, share best practices, and troubleshoot issues. Show less