Network Engineer Contact Center
Resume:
MADHU ENDRAVATH
Email: ***************@*****.***
PROFESSIONAL SUMMARY:
Overall 5 years of Experience in the Network Engineer Domain with a strong foundation in Routing and Switching.Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches
Experience in L2/L3 protocols like VLANS, STP, VTP, MPLS and Trucking protocols.
Well Experienced in configuring protocols SNMP, RIP, EIGRP, OSPF, BGP.
Good knowledge in WAN Technologies like ACL, NAT and PAT, IPsec, and VPNs.
Knowledge of IP addressing and Subnetting (IPv4/6).
Experience with Cisco Catalyst 2960, 3750, 3850, Cat 9K, Cat 4500X, and Cat 6500 switches, as well as Nexus 2k, 3k, 5k, 7k, and 9k series switches
Managing a TACACS server for AAA user authentication and network device authentication
Experienced in Troubleshooting connectivity and hardware problems on Cisco Networks
Switching experience which includes campus and Data Center Switching. worked on Cisco, Juniper, Arista, Aruba and Dell Switching gear.
Configured network devices for efficient and secure VoIP traffic handling.
Hands-on experience in working with Cisco Nexus switches running NX-OS and Catalyst switches running IOS.
Implemented and managed Juniper devices running JUNOS, including EX Series switches and MX Series routers.
Managed server deployments, configurations, and updates to meet the organization's evolving needs.
Administered and supported Windows/Linux servers, ensuring smooth operations and resolving any issues promptly.
Implemented redundancy and failover mechanisms to ensure VoIP service availability.
Experience in deploying and configuring Cisco Unified Contact Center Express (UCCX) or Cisco Unified Contact Center Enterprise (UCCE) environments, optimizing customer interaction workflows.
Proficiently diagnosed and resolved CUCM-related issues, utilizing tools like RTMT (Real-Time Monitoring Tool) for proactive monitoring, optimizing call quality, and minimizing downtime
Managed user provisioning, extensions, and voicemail box setups within Cisco Unity and Unity Connection, facilitating efficient communication management for diverse user groups.
Successfully integrated Cisco Unity and Unity Connection with Cisco collaboration tools like CUCM and Webex, enabling users to access voicemail and messages through various channels.
Worked on Cisco, Meraki and Aruba Wireless solutions. Worked on configuration of WLAN controllers, AP groups, SSID, RF parameters, Anchor controllers, BYOD policies, Integration with RADIUS servers for Authentication. Experience with Cisco Prime, Aruba Airwave.
Performed deep packet analysis to troubleshoot application issues using tools like Wire-shark.
Experience in installing, configuring and troubleshooting of Checkpoint Firewall and Juniper SSG series.
Worked on Extensively on Cisco Firewall & ASA 5500(5510/5540) Series. Efficient at use of Microsoft VISIO/Office, Excel as technical documentation
Hands on experience with Wireshark Network Packet Analyzer, Solar winds, GNS3.
Knowledge in Network Automation using Ansible and Python Scripting. TECHNICAL SKILLS
Router and VoIP Platforms
Planning, Designing, Installing, and Configuring of Cisco & Juniper Cisco Routers series 9k, 7300, 4000, 3800, 2000, 1900; Routing Fundamentals and
Protocols
Routed and Routing protocols RIP, OSPF, BGP, IPX; MPLS, IPv4 addressing, subnetting, Static routing,
Policy-Based Routing,
Switch Platforms Cisco 2960,3750, 3850, 9300, 9400,4500,6500 Nexus 7K, 5k, 2k Switching Fundamentals
and Protocols
Ethernet technologies, LAN networks, VLAN and VTP, STP, PVST+, Multicast, RSTP, Multi-Layer Switching,
Firewall Platforms
Juniper SRX (650/3600), Palo Alto, Cisco ASA firewalls. Checkpoint (3100, 5100, 5900)
Palo Alto Networks (PA series 2K, 3K, and 5K) with panorama 8.0, Security Protocols
Standard and Extended ACLs, VPN, SSH, SSL, Zone-Based Firewalls, NAT/PAT, Ingress & Egress Firewall Design, Content Filtering, Load Balancing, Network Management and
Monitoring Tools
Wireshark, SolarWinds Net Flow Traffic Analyzer, Network Performance Monitor (NPM), Network Configuration Manager (NCM)
Load Balancers F5 (BIG-IP) LTM 2000, Cisco ACE, Citrix NetScaler WAN technologies Frame relay, PPP, PPOE, VPN, MPLS, Metro Ethernet Scripting Python and Ansible, SQL, POWER-BI,
Operating Systems and
System Administration
tools
Windows 10/7/XP, Windows Server, Nexus OS, Linux, UNIX, Cumulus. VMWare workstation
EDUCATION:
University of New Haven, Pompea Business School
West Haven, CT
Master of Science (MS)
Bachelor of Science, Computer Science
Hyderabad, India
Osmania University, Hyderabad, India
PROFESSIONAL EXPERIENCE:
CLOROX
Durham NC. Aug 2022 – Till
Network Engineer
• Responsibilities included installation, configuration, maintenance, and troubleshooting of the corporate network, monitoring network performance using various network tools to ensure the availability, integrity, and confidentiality of applications and equipment, and providing support for the Cisco network.
• Reviewing, analyzing, approving, and executing all changes in the network. All Configurations of Cisco Routers and Switches.
• Worked on Arista Cloud Vision (CVP) & Cloud Vision Exchange (CVX) Deployed on VMs.
• Worked on Routing protocols EIGRP and BGP. Working on Infoblox for IPAM, DHCP, and DNS. Working on Linksys, SG500, Cisco, Arista switches, and Cisco routers.
• Responsible for FortiGate and CISCO ASA Firewall management and operations across our global networks.
• Experience working with Layer 3 Routing Protocols OSPF and BGP.
• Experience working with BGP attributes such as Weight, Local-Preference, MED, and AS-PATH to influence inbound and outbound traffic.
• Experience in configuring and deploying Aruba switches, including the Aruba 2930F and 5400R series, to create scalable and resilient network infrastructures.
• Experience in designing and implementing VLANs on Aruba switches to segment network traffic and enhance security and performance.
• Experience in server deployments, configurations, and updates to meet the organization's evolving needs.
• Experience in managing Aruba Access Points (APs), ensuring optimal coverage, capacity, and seamless roaming for wireless clients.
• Developed and implemented automation scripts (e.g., PowerShell, Ansible) to streamline routine tasks and improve operational efficiency.
• Deployed and managed virtualization technologies (e.g., VMware, Hyper-V) to optimize resource utilization and scalability.
• Implemented EBGP peering between all the branch offices.
• Implemented and managed Juniper devices running JUNOS, including EX Series switches and MX Series routers.
• Implemented security policies and access control lists (ACLs) on Arista, Cisco, and Juniper devices to protect the network infrastructure.
• Created Designs for guest network and mobile access network for NAC solutions.
• Install, manage and monitor Large scale Palo Alto Firewalls through Panorama.
• Strong hands-on experience on ASA Firewalls, and Palo Alto Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Implemented Zone Based Firewalls and Security Rules on the Palo Alto Firewall. Exposure to wildfire features of Palo Alto. Supported Blue Coat Proxy in explicit mode for users trying to access Internet from Corp Network.
• Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering). Configured and maintained IPSEC and SSL VPNs on Palo Alto Firewalls.
• Worked on Zscaler Cloud proxies, Implementation of Policies, Configuration, GRE tunnels to Cloud, PAC file configuration, DLP policies.
• Experience working with Cisco Nexus 7010, 5548, 5596, 2148, 2248 devices. Worked on 40 gig and 100 gig switching chassis with QSFP.
• Deploying and decommission of VLANs on core Cisco ASR 9K, Nexus 9K, 7K, 5K, and its downstream devices also configure 2k, 3k, 7k Series Routers
• Installation and Configuration of Cisco Catalyst switches 6500, 3850 & 2960, 9300 series and configured routing protocol OSPF, EIGRP, and BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy it also includes the configuration of the port channel between core switches and server distribution switches. Environment:
Cisco ASA Firewalls, F5 ADC, BGP, EBGP & IBGP Configurations, Cisco3900,4300,4400,4500 Routers, Cisco Catalyst switches 6500, 3750, 3550, 2960,4500,6500,6800,9300,9400, Juniper EX (2300,4300,4400,) Palo Alto Wildfire,
Capgemini
Hyderabad, India.
Network Engineer Jan 2019 – Dec 2021
Monitored network traffic using Wireshark.
Configuring and maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and troubleshooting Remote infrastructure management of offices in different locations.
Monitored network traffic using Wireshark.
Troubleshooting and escalation management of day-to-day issues for offices.
Managing Citrix NetScaler load balancer
Administrating and managing the Cisco ASA 5512 firewall.
Implanting VLAN routing and VPN security
Experience with Project data and voice documentation tools & experience with developing network.
Design documentation and presentations using VISIO.
Security policy review and configuration in Palo Alto and Junipers Firewall in US offices and datacentre.
Analysed customer application and bandwidth requirements, ordered hardware and circuits, and built cost-effective network solutions to accommodate customer requirements and project scope.
Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800,3800,3600,2800,2600,2900, 1800, 1700,800)
facilitate adding new business partners to new and existing infrastructures.
Configured RIP, PPP, BGP and OSPF routing.
Worked on different vendor's devices like Cisco, juniper, brocade, etc.
Experienced in implementation and troubleshooting knowledge of protocols and technologies, especially in the following: BGP4, OSPF, IPv4, and Ethernet.
Installing and configuring juniper M series router along with juniper switches QFX series
Working Knowledge of frame relay, MPLS services, IPSec VPN's, OSPF, BGP and EIGRP routing protocols, NAT, sub-netting, also including DNS, WINS, LDAP, DHCP, TCP/IP, UDP, SNMP, OSPF, IPSEC, PPP, VLAN, VTP, STP (Spanning tree Protocol), RSTP & Multicasting protocols.
Installed, configured and maintained several Cisco DMVPN routers servicing smaller sites, several Edge router running BGP and MPLS to Internet service providers.
Experience on F5 load balancer to maintain balance in the network system with application specific usage. Experience with Firewall administration, Rule analysis, Rule modification.
Troubleshoot traffic passing managed via logs and packet captures
Responsible for reviewing current and planned network designs, particularly F5 load balancer implementations. Identified opportunities for implementation of network best practices.
Implemented Quality of Service (QOS), Policy Maps, Class-maps, Policy Routing in the network infrastructure throughout all the different sites.
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, ether channel.
Key contributions include troubleshooting of complex LAN /WAN infrastructure.
Installed redundant Big IP F5, LTM, and GTM load balancers to provide uninterrupted service to customers.
Designed and managed multi-site VoIP networks, ensuring consistent communication across locations.
Implemented advanced monitoring tools to track VoIP performance and identify potential issues proactively.
Successfully established interoperability between VoIP systems and various communication platforms, including legacy phone systems, enabling seamless connectivity and collaboration.
Managed user provisioning, extensions, and voicemail box setups within Cisco Unity and Unity Connection, facilitating efficient communication management for diverse user groups.
Implemented security measures within CUCM, including user authentication and access controls, ensuring compliance with industry standards and safeguarding sensitive communications.
Experience in deploying, configuring, and administering Cisco Unified Communications Manager
(CUCM), managing multi-site environments to ensure seamless voice communication across the organization.
Utilized SD-WAN controllers to centrally manage and orchestrate network traffic, enabling dynamic path selection, load balancing, and traffic optimization.
Integrated security features into SD-WAN deployments, including firewall capabilities and secure tunnels, to protect network traffic and ensure compliance with industry security standards.
Migrated to Juniper EX series switches from Cisco 3500 series and 6500 series switches.
Experience with moving data centers from one location to another location, from 6500 based data centers to Nexus-based data center.
Implemented EVPN-based Virtual LAN (VLAN) and Virtual Extensible LAN (VXLAN) segmentation to isolate tenant traffic within multi-tenancy environments.
Installed and configured Meraki (MX80, MX60) Appliance via Meraki MX400 Cloud.
Installed and configured Cisco Meraki (MR66, MR74, MR84) wireless Access points in the warehouses.
Responsible for performing administration on BGP, OSPF routing protocols Environment: Cisco 3925, 2620, 1900 routers, Cisco 3750, 2950 Switches, Juniper, Routing protocols: EIGRP, RIP, OSPF, BGP, FHRP: HSRP, Cat 5, Cat 6, Sniffing Tools: Ethereal, Wireshark, Port Security, SRX Firewall, VLAN, 802.1Q Trunking, CUCM, VoIP, Cisco ASA 5500, VLANs.
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