Bhargav Reddy Kottam

Durham, North Carolina

Phone:+1-475-***-****

Email:adyt65@r.postjobfree.com

Linkedin Id: http://linkedin.com/in/bhargav-reddy-9054ba269

Professional Summary:

Network Engineer Professional with over 7 years of experience in network design, implementation, troubleshooting and management of large-scale enterprise networks, Cisco/Juniper Networking, Deployment and Providing Network support, Installation and analysis for a broad range of LAN / WAN Protocols.

Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.

Experience working with 2600, 2900, 3600, 3800,3900, 7200, 7600 series Cisco Routers Proficient in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548 and 7010 switches.

Worked on upgrading Aruba controllers and Access points in troubleshooting the onboarding devices with the networks and WAN Optimization Technology, Riverbed

Worked on Cisco Firewalls Cisco ASA 5500(5510/5540) Series and Checkpoint R75, 76, NGX R70 Firewalls and experience testing I Rules using Browser (IE), HTTP watch.

Experience in network protocol implementation, including TCP, UDP, IP, and ICMP, ensuring reliable and efficient data transmission.

Experience in deployment of SD-WAN solutions, transforming traditional WAN architectures into agile, software-defined networks.

Designed network topologies that optimized traffic routing based on application requirements, ensuring efficient data delivery and enhanced user experience.

Experience in designing and implementing cloud-based security solutions, leveraging Zscaler platform to provide secure and direct internet access while eliminating the need for traditional VPNs

Experience in deploying and managing ZIA, a cloud-based security solution that provides secure and direct access to the internet, eliminating the need for backhauling traffic to a central data center.

Implemented EDR solutions to detect and respond to advanced threats, such as malware, ransomware, and zero-day exploits, on endpoints.

Configured, managed, and maintained FortiGate firewall appliances to ensure robust network security.

Designed, deployed, and managed site-to-site and remote access VPN connections using FortiGate devices, enabling secure communication across geographically dispersed locations.

Implemented socket programming in C/C++ for creating client-server applications, facilitating data transfer and network management.

Implemented socket programming in C/C++ for creating client-server applications, facilitating data transfer and network management.

Strong expertise in utilizing SolarWinds network monitoring and management solutions to optimize network performance and troubleshoot issues effectively.

Experience in configuring and managing network devices (routers, switches, firewalls) on Linux-based platforms using tools like iptables, iproute2, and network.

Proficient in scripting languages (Bash, Python) to automate network tasks, streamline configurations, and improve operational efficiency.

Configured and managed AWS Direct Connect to establish dedicated network connections between on-premises data centers and AWS, ensuring low-latency and high-throughput connections.

Responsible for designing the network infrastructure on IBM Cloud, including deciding on the architecture, selecting the appropriate network components, and configuring the network settings.

Experience in Configuring and deploying Cisco FTD and ASA firewalls to protect network infrastructures. This involves setting up rules, access control policies, VPN tunnels, and other security features.

Experience in integrate Cisco FTD and ASA with other security solutions, like Intrusion Prevention Systems (IPS) or Security Information and Event Management (SIEM) platforms, to enhance the overall security posture.

Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210

Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.

Network security skills include Telnet, SDM, NAT/PAT, ACLs, AAA, ASA, FWSM, PIX wall.

Worked on T1/E1/T3 technologies and different LAN WAN/WLAN technologies

Performed professional level documentation using Visio diagrams. Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.

Experience with Palo Alto 5K series. Migration from ASA to PA

Effective team player with an aptitude to learn and ability to prioritize, organize and accomplish multiple tasks, both as part of a team and independently.

Excellent customer management/resolution, problem solving and debugging skills with good verbal/written communications and presentation skills.

Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter- VLAN routing

Technical Skills:

Networking Technologies: TCP/IP, LAN/WAN interconnection, VPN, Aruba,Arista, IP-Sec, Cisco Wirless, Frame-Relay, ISDN, MPLS, SD-WAN,SDN, NAT, Cisco networking, SASE, Zscalar, EDR, DNS, DHCP.

Hardware Routers: Cisco, Cisco Routers(1800/2600/3600/3800/7200/7600series), Cisco ASR 9Ks

Routing Protocols: OSPF, IGRP, EIGRP, RIP, MPLA, BGP, IS-IS, ISDN, STP, RSTP, VTP

Network Monitoring: Cisco Works 2000, Nagios, SolarWind, Wireshark, Bluecoat proxy, App Neta

Routers: Cisco 2600, 2900, 3600, 3800,3900, 7200, 7600, Juniper M & T Series,. Cisco CRS-1, CRS-3

Operating Systems: Windows 7,Windows 10, LINUX, AWS, IBM Cloud

Load Balancers: CISCO CSM, F5 Networks (BIG-IP)

Switches: Cisco (2900/3500/3700/5500/6500 Series, Nexus 7k,5k,2k

Programming Languages: C, C++, Power shell, Python, IRules.

Design Tools: MS Visio Network Professional, MS-Project.

Firewalls: Juniper Net screen(500/5200), Juniper SRX(650/3600), ASA (5520/5550/5580), ACL’s, McAfee Web Gateways, Checkpoint, Palo Alto firewalls

Features & Services: IOS and Features, IOS-XR, HSRP, SNMP, NTP, FTP Management, Open Stack, TFTP, CDP, Windows Defender.

Professional Experience:

Edward Jones St Louis MO Mar 2022 – Till Date

Senior Network Engineer

Responsibilities:

Extensive worked on BMC Remedy for creating the Change Requests CRQ's, Work Orders, Incident Management.

Implementing, Configuring, and Troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP.

Performing network monitoring, providing analysis using various tools like WireShark, Solarwind, Solaris etc.

Deployed, configured, and managed SolarWinds Orion Network Performance Monitor (NPM) to monitor the health and performance of the network infrastructure.

Utilized SolarWinds NPM to proactively identify and resolve network issues, reducing downtime and enhancing overall network reliability.

Implemented custom SolarWinds alerts and reports to provide real-time notifications for critical network events and performance deviations.

Implemented custom SolarWinds alerts and reports to provide real-time notifications for critical network events and performance deviations.

Conducted regular network assessments using SolarWinds tools to analyze bandwidth utilization, identify trends, and optimize network resources.

Collaborated with cross-functional teams to integrate various network devices and technologies into SolarWinds, ensuring comprehensive network visibility.

Configured ASA 5540 to ensure high-end security on the network with ACLs and Firewall. Configured and deployed BIG-IP LTM 8900 for providing application redundancy and load balancing.

Implemented Quality of Service QOS, Policy Maps, Class-maps, Policy Routing in the network infrastructure throughout all the different sites.

Configured network devices to redirect internet-bound traffic to ZIA's secure cloud gateway, setting up proxy services for web traffic inspection and enforcing content filtering policies.

Successfully deployed and managed Zscaler Internet Access (ZIA) solution across multiple locations, enhancing network security and optimizing internet access for remote and on-premises users.

Monitoring endpoint activities in real-time to identify suspicious behavior, anomalous activities, and potential indicators of compromise.

Utilized SD-WAN controllers and management platforms to centrally manage and enforce network policies across distributed sites.

Simplified policy deployment, monitoring, and troubleshooting through a unified interface.

Configured and managed DNS records using AWS Route 53, integrating them with VPCs and on-premises systems for seamless name resolution..

Implemented socket programming in C/C++ for creating client-server applications, facilitating data transfer and network management.

Designed and optimized packet handling routines in C/C++ to improve network performance and reduce latency.

Integrated secure communication using SSL/TLS protocols in C/C++ applications, ensuring data confidentiality and integrity.

Integrated DNS and DHCP services with Active Directory to enable seamless domain authentication and dynamic DNS updates for client devices.

Collaborated with system administrators and application teams to ensure s

Configured and maintained Virtual Private Networks (VPN) using Check Point technologies to establish secure communication between remote sites and users, mitigating potential security risks.

Worked with Cisco Layer 3 switches 3560, 3750, 4500, 6500 Cisco Nexus 5000 and 7000 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, and ether channel.

Key contributions include troubleshooting of complex LAN /WAN/WLAN infrastructure that include routing protocols EIGRP, OSPF,BGP,RIPv2 HSRP.

Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.

Configured and managed DNS records using AWS Route 53, integrating them with VPCs and on-premises systems for seamless name resolution..

Designed and deployed DHCP services to automatically assign IP addresses, subnet masks, and other network parameters to client devices, streamlining network provisioning.

Managed DHCP lease times, address pools, and DHCP relay agents to ensure efficient IP address allocation across multiple subnets and VLA

Designed WAN structure to prevent single point of failure in case of link failure.

Configured PVSTP for loop prevention and VTP for Inter-VLAN Routing.

Configured maintained IPSEC Site-to-Site VPN.

Configured, managed, and maintained FortiGate firewall appliances to ensure robust network security.

Developed and implemented firewall policies, NAT rules, and security profiles to control traffic and safeguard the network infrastructure.

Designed, deployed, and managed site-to-site and remote access VPN connections using FortiGate devices, enabling secure communication across geographically dispersed locations.

Utilized FortiGate's Intrusion Prevention System (IPS) to proactively identify and mitigate network threats, preventing potential security breaches.

Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.

Experience configuring Virtual Device Context in Nexus 7k series switch. Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.

Implemented and configured various Lucent dense-wave-division multiplexing products as well as high speed Ethernet over SONET multiplexors including the Wavestar 400G, 800G, 1.6T

Troubleshoot Cisco Applications, network issues and custom products. Network: Cisco Catalyst 6K series, MDS9000 series

Worked in data center to manage tickets, apply diagnostic methods to troubleshoot data center equipment. Pulled required inventory as defined by inventory process. Updated inventory systems as required.

Worked on F5 LTM, GTM series like 6400, 6800, 8800 and for the corporate applications and their availability.

Environment: BMC Remedy, Cisco ASA 5540, BIG-IP LTM 8900, QOS,C/C++, Policy-maps, Class- maps, Nexus,, STP, RSTP, PVSTP, VTP, HSRP,SD-WAN,Ethernet over TDM, Ethernet over SONET,FortiGate,Get VPN, BGP,RIP, DNS, ISE, NAC, DHCP,Radius, Basics of WLA, Nexus 2K, 5K, 7K,

Humana Louisville KY Jan 2021 – Feb 2022

Network Engineer

Responsibilities:

Responsible for entire LAN and WAN/WLAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.

Experience in configuring and managing network devices (routers, switches, firewalls) on Linux-based platforms using tools like iptables, iproute2, and network.

Implemented robust network security measures on Linux systems using firewalls, VPNs, and intrusion detection/prevention systems (IDS/IPS).

Deployed and managed network monitoring tools like Nagios, Zabbix, or Prometheus on Linux to ensure real-time visibility and proactive incident response.

Experience with various network protocols (TCP/IP, UDP, DNS, DHCP) and services (SSH, FTP, HTTP, SMTP) on Linux environments.

Configured and maintained services like BIND, DHCP, and Postfix to provide reliable and secure network services.

Implemented SolarWinds Network Configuration Manager (NCM) to automate network device configurations, backups, and compliance checks.

Assisted in the development of network documentation and standard operating procedures (SOPs) related to SolarWinds configurations and monitoring processes.

Experience in implementing and working with network protocols such as TCP, UDP, IP, ICMP, DHCP, and SNMP using C/C++

Experience in remotely configuring network devices (routers, switches) programmatically using C/C++ APIs and libraries.

Experience in network monitoring applications in C/C++ to collect and analyze network data, ensuring efficient network management

Provided technical support and training to IT teams and end-users on utilizing SolarWinds tools and features effectively.

Deployment of SD-WAN solutions, transforming traditional WAN architectures into agile, software-defined networks.

Designed network topologies that optimized traffic routing based on application requirements, ensuring efficient data delivery and enhanced user experience.

Developed comprehensive security policies within ZIA to control access to websites, applications, and services, aligning policies with organizational needs and compliance requirements.

Integrated ZIA with Identity Providers (IdPs) to ensure secure user authentication and access control, enabling authorized users to safely access corporate resources and the internet.

Worked closely with vendors and support teams to troubleshoot and resolve complex technical issues related to the SolarWinds platform.

Proficient in launching and configuring Amazon EC2 instances with Linux-based operating systems, integrating them into the VPC, and assigning Elastic IP addresses for static public IPs.

Implemented load balancers and auto-scaling groups to ensure high availability and fault tolerance of EC2 instances.

Managing regular updates, patches, and maintenance tasks to keep the ZIA environment up-to-date and secure.

Configured and managed AWS Direct Connect to establish dedicated network connections between on-premises data centers and AWS, ensuring low-latency and high-throughput connections.

Implemented advanced security features, including Threat Prevention, URL Filtering, and Application Control, on Checkpoint Firewalls to safeguard against evolving cyber threats and ensure regulatory compliance.

Configured and managed DNS records using AWS Route 53, integrating them with VPCs and on-premises systems for seamless name resolution..

Experience in in planning and executing firewall software upgrades and applying security patches to keep the network protected from the latest vulnerabilities.

Worked with ASA Firewall configuration and Participated in Migration of PIX to ASA for hardware devices.

Experience in Setting up Virtual Private Network (VPN) connections using Checkpoint firewalls is a critical aspect of providing secure remote access for users and interconnecting different networks.

Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers. Configured ASA 5520/5500to ensure high-end security on the network with ACLs and Firewall.

Worked with Cisco Catalyst 4500, 4900 switches and Cisco 2800, 3600, 3800, 7200 7600 series Routers.

Configured PVSTP for loop prevention and VTP for Inter-VLAN Routing. Installed Cisco WAAS device 4451-X for acceleration of TCP-based applications, and Cisco's Wide Area File Services WAFS in a single appliance and to preserve and strengthening branch security

Worked with Routing Protocols of EIGRP and BGP.

Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.

Configuring and implementing F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic.

Implementation and configuration of F5 Big-IP LTM-6400 load balancers.

Worked in projects converting P2P circuits into MPLS circuits, commissioning and decommissioning of the MPLS circuits for branch offices.

Configuring and resolving various OSPF issues in an OSPF multi area environment, Implemented, configured BGP WAN routing, converting OSPF routes to BGP OSPF in local routing .

Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.

Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.

Environment: Cisco ASA 5520, 5505, BIG-IP LTM 6400, Nexus, STP, RSTP, VTP, HSRP,, Ethernet over SONET, Ethernet over DWDM BGP, OSPF,SD-WAN,EIGRP, PPP, HDLC, Aruba, RIP, Nexus 2K, 5K, 7K.s, EPL, EVPL, ELAN, NMTP, NMVT, C/C++.

Cigna Atlanta GA Jan 2020 – Dec 2020

Network Engineer

Responsibilities:

Support complex 6500 /5500 series switches.

Support various series of Cisco routers like 7200/7600 series

Configured UDLD, port-fast, uplink fast and other spanning tree features

SDN-specific protocols and technologies such as OpenFlow, NETCONF, and YANG

Planning and configuring the entire IP addressing plan for the clients network In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN/WLAN networking systems.

Troubleshooting IOS related bugs based on past history and appropriate release notes

Technical assistance for LAN/WAN/WLAN management and complex customer issues.

Troubleshooting issues and outages on Trunks and Router interfaces extensively.

Configured STP for loop prevention and VTP for Inter-VLAN Routing.

Configured and managed DNS servers to ensure efficient name resolution and maintain the integrity of the organization's domain name hierarchy.

Implemented DNS security features, such as DNSSEC (Domain Name System Security Extensions), to protect against DNS spoofing and cache poisoning attacks

Planning and Implementation of Subnetting, VLSM to conserve IP addresses.

Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.

Deployed FortiGate firewalls across multiple geographically dispersed sites, ensuring consistent security policies and efficient traffic routing.

Utilized FortiGate's APIs and scripting capabilities to automate routine tasks, such as configuration changes and policy updates, streamlining network management processes.

Utilized SD-WAN capabilities to optimize traffic paths and improve application performance over diverse WAN links.

Utilized SD-WAN analytics to monitor network performance, detect anomalies, and proactively address issues.

Integrated security functionalities such as VPNs, firewalls, and intrusion prevention systems (IPS) into SD-WAN deployments to protect data and ensure regulatory compliance.

Collaborated with security teams to align SD-WAN security with organizational policies.

Extensive experience in configuring and implementing EIGRP, OSPF and BGP.

Supported core network consisting of Cisco 7200 series routers running multi area OSPF Responsible for service request tickets generated by the helpdesk such as troubleshooting, maintenance, upgrades, patches and with all around technical support.

Supporting EIGRP and BGP for problems of L2/L3 in internal teams external customers. Experience in installation, configuration and administration of application Sun Solaris on Window OS System.

Configured and troubleshot Nexus 7k, 5k. Upgrade Cisco Routers, Switches and Firewall PIX IOS using TFT.

Creating NAT/PAT used ACLs to block unauthorized users to the VLAN IP and allowing the.

Environment: Cisco Wireless, Switching, Routing, Nexus, Access-lists, Subnetting,FortiGate, STP, RSTP, VTP, HSRP, PorChannel, EIGRP,SD-WAN, SNMP, DNS, DHCP, RIP, OSPF, BGP, EIGRP, Radius Nexus

Epsilon India July 2016 – Jun 2018

Network Engineer

Responsibilities:

Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers Implemented VTP and trunking protocols 802.1q and ISL on 3560, 3750 and 4500 series Cisco Catalyst switches

Performed on-call support for installation and troubleshooting of the configuration issues. Worked on installation, maintenance, and troubleshooting of LAN/WAN ISDN, Frame relay, NAT/PAT, DHCP, TCP/IP,Radius

Configured Access List Standard, Extended, and Named to allow users all over the company to access different applications and blocking other

Configuring and maintaining network components such as routers, switches, firewalls, load balancers, and virtual private networks (VPNs).

Experience working with SDN technologies such as VPCs and load balancers.

Experience in deploying Arista network solutions, including switches and routers, in diverse network environments such as cloud infrastructures.

Configuring and managing Arista devices, including switch port configurations, VLANs, routing protocols (BGP, OSPF), access control policies, and network segmentation using VXLAN.

Troubleshoot and resolve complex network issues on Arista equipment, utilizing command- line interfaces (CLI), monitoring tools, and log analysis in identifying and resolving network

Experience in leveraging Arista EOS (Extensible Operating System) and scripting languages like Python to automate network provisioning, configuration management, and monitoring tasks, improving operational efficiency.

Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210

Utilized solarwind tools to proactively troubleshoot Client issues

Actively participated in SolarWinds community forums, sharing knowledge, and learning from other experts to stay updated with the latest industry trends.

Conducted capacity planning exercises using historical SolarWinds data to ensure the network infrastructure meets current and future demands.

Managing and maintaining Solaris. Troubleshoot and resolve technical uses issues. Implementing new/changing existing data networks for various projects as per the requirement

Troubleshooting complex networks layer 1, 2 frame relay, ATM, Point to Point, ISDN to layer 3 routing with MPLS, BGP, EIGRP, OSPF and RIP protocols technical issues.

Environment: RIP, EIGRP, TCP/IP, FCOE, MPLS, BGP, ACL, VTP,SD-WAN, VLAN, Arista, Juniper.

TalenData Technologies Pvt Ltd, India Aug 2014 – Jun 2016

Network Engineer

Responsibilities:

IOS upgrades on Catalyst 1900, 2900, 3500 series switches and 2500, 2600, 3600 series routers.

Racking, stacking, and cabling network-based, IT systems Configuration of Access control List ACL Std., Ext, Named to allow users all over the company to access different applications and blocking others.

Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company using FLSM, VLSM addressing.

Troubleshoot the issues related to routing protocols. Perform routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.

Installing operating systems, software and hardware on computers. Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal.

Assisting Junior and Senior Engineers, on-site management of cable-wiring technicians Troubleshot problems on a day to day basis and documented every issue to share it with design teams.

Implemented and configured routing protocols like EIGRP, OSPF and BGP.

Connected switches using trunk links and Ether Channel. Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.

Used Network Monitoring tool to manage, monitor and troubleshoot the network. Configured Cisco IOS Feature Set, NAT/PAT and Simple Network Management Protocol SNMP and Network Management Technical Plans NMTP for Network Security implementation.

Environment: TCP/IP, Racking, Stacking, VLSM, IP addressing, Sub netting, Routing Protocols.

Education Details:

Master’s in Computer Science from University of New Haven(UNH) (2020)

Bachelor’s in Computer Science from Indian institution of Engineers(IIE) (2014)

Certifications and Training:

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP)

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