SUMMARY

• Collaborates with corporate executive management teams in planning and executing dynamic enterprise - level business strategies, initiatives-start-up infrastructures, and organizational development.
• Recognized leader, applying high-impact technical solutions to major business objectives with capabilities that transcend IT operation boundaries. Proven ability to manage all phases of project lifecycle: inception, documentation, procurement, deployment, and turnover for monitoring and administration.
• Consistently commended by company executives, colleagues, and peers for strong work ethic and ability to finish extremely complex jobs on schedule.
• Successfully designs highly scalable secure and redundant network environments utilizing most current hardware and software revisions from leading vendors.
• Strong expertise in the areas of Routing, Switching, security and troubleshooting
• Experience in Layer 3 routing and Layer 2 switching and dealt with router configurations like 7200, 3800, 2800 and switches 6500, 4500, 3700, 3750, 3900, 2900, 2960 and 3500XL, 3950 switch series.
• Familiar with Network Monitoring tools like NetCracker, NetProvision, Wireshark, Net Flow, Syslogs and Solar Winds.
• Checkpoint, Cisco Firepower, Cisco ACI, FortiGate
• Familiar with F5 Load balancer, BIGIP, Nexus 7K, 5K, 2K devices.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Experience in troubleshooting issues on NAT configuring, access lists and DNS/DHCP issues within the LAN network.
• Worked extensively in Configuring, Monitoring and Troubleshooting on Cisco ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
• Configured Cisco ASA Firewall and accept/reject rules for network traffic
• Experience in installing and configuring DNS, DHCP server.
• Provided administration and support on Bluecoat Proxy for content filtering and internet access between site and VPN client users
• Deployment and Management of Bluecoat proxies in forward proxy scenario as well as for security in reverse proxy scenario
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST
• Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NATing, Subnetting, also including DNS, WINS, LDAP, DHCP, http, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
• Good knowledge and experience in installation, configuration, and Administration of Windows, HTTP, FTP, DNS, NTP, DHCP servers under various LAN and WAN environments

TECHNICAL SKILLS

Networking Fundamentals and Protocols: IPv4/v6, SDN, Cloud Computing, QoS, TCP/IP, OSI model, Virtualization, IPSec VPN, LACP, ATM, Frame Relay, RADIUS/TACACS, ACL, Firewalls, VoIP. Layer 2 and Layer 3: - filtering ARP, STP, RSTP, VLAN, VTP, Ether Channel RIP, OSPF, BGP, EIGRP, MPLS, ICMP, HSRP, VRRP, GLBP. Layer 4-7: - TCP/UDP, DNS, DHCP, FTP, SSH, SNMP, HTTP, SIP, TELNET, SSH.

Routers: Cisco 1900, 2600, 2900, 3600, 3800, 7200, 7600, Alcatel 7330, 7302, 7450 and 7750

Switches: Cisco 2960, 3750, 4500, and 6500 and Nexus 2K/3K/5K/7K series

Cisco Catalyst Switches: 2960, 3750, 4500, 6807 and 6500 and Nexus 2232, 2248,5548, 7000 series.

LAN Technologies: Ethernet Standards, VLAN, Inter-VLAN, VTP, STP, RSTP,SMTP Ether Channel, Port Fast, ACL, Light weight access points.

WAN Technologies: Frame relay, (E1/T1/E3/T3) lines, Frame Relay, HDLC, PPP, Multi-Link PPP, T1, DS3, MPLS, WLC, WCS, WEP, WPA.

VoIP technologies: SIP, H.323

Programming Language, Platforms & Databases: C, Python, MySQL and Android Studio

Operating System: Windows, Unix and Linux

PROFESSIONAL EXPERIENCE

Sr. Network Engineer

Confidential, Tx

Responsibilities:

• Experience in Cisco 7200, 7600 routers, Cisco series switches: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM)
• Monitoring the network, troubleshooting network problems, implementing changes, communicating and working closely with vendors, customers, system administrators.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Setup of site-site (IPSEC VPN) and (SSL VPN) remote VPN connections to communicate between departments
• Deploying Cisco ACI (Spine and leaf)
• Configured ACI Policies, Tenants, Bridge Domain, Private Networks, Contracts and Filters
• Analyzed network problems and coordinated resolutions, Monitored network infrastructure traffic and access Logs.
• Configured ACI integration with VMware
• Configure Cisco Switches-35XX, Cisco Routers 72XX series and monitor performance of network using Wireshark, Zabbix
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
• Experienced in networking and wireless solutions, such as Cisco ASAs, Cisco Nexus series switches and Meraki solutions
• Worked on integrating existing Layer 2 and Layer-3 networks with ACI.
• Implemented VPNs and security policies on ASA, Juniper SRX and Netscreen
• Implementation of Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS, WAN and Route Maps.
• Preformed IOS upgrades on Cisco routers and switches.
• Integrated of layer 4 - 7 services(ASA) with ACI
• Resolving security issues for the clients facing different types of network troubleshooting issues.
• Performing configuration with the Cisco Catalyst switches (6500, 4500)
• Thorough understanding of network and security knowledge (TCP/IP, DNS, DHCP, Firewalls, Routers, IDS, VPN)
• Configured the Cisco router for NATting.
• Provided advanced technical support and fault isolation for Cisco ASA firewalls
• Configured Cisco ASA Firewall and accept/reject rules for network traffic.
• Responsible flor Cisco ASA firewall administration across global networks and for check points.
• Experienced in Cisco ASA, Palo Alto firewalls, Cisco AnyConnect, IP Sec VPN, Cisco CSM and ACS, BlueCoat proxies, director and Reporter, F5 load balancers, Cisco wireless network, Riverbed WAN optimization, Raritan, remote access VPN, Cisco AnyConnect, IP Sec VPN, Blue Coat Cloud, TCP/IP, UDP, DHCP, DNS, MPLS, EIGRP, BGP, HSRP, FTP, SFTP, STP, RSTP, TACACS+, ACS, RADIUS, RSA, SecureID and SNMP monitoring and reporting.
• Work with Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
• Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.
• Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
• Managing Daily, Weekly Backup & restoration of Critical Data.

Environment: Cisco 7200, 7600 routers, Cisco series switches, ASA, WAN, NAT, OSPF, RIP, IGRP, RIPv2, EIGRP, Static Routers, EIGRP, OSPF, RIP, BGP, HSRP and GLBP

Network Engineer

Confidential, Ky

Responsibilities:

• Install new and maintain existing enterprise customers’ high bandwidth devices in order to provide better connectivity to the customers and produce higher profits, better returns for shareholders and thus, grow the business
• Configure LAN services and provide VLAN, STP, VTP, DTP configurations for the customer
• Point to point connectivity for WAN services between Customer Edge router(Cisco) and ISP’s provider edge router (Alcatel 7750)
• Design MPLS VPN service for enterprise customer with bandwidth ranging from 1.5Mbps to over 100Mbps and implement policy mapping, route mapping and performance turning using various routing protocols.
• Experienced in ISR 2900/3900, ASR 1001/1001-x, Nexus 5k, Catalyst 4500/3560/2960 , ASA 5500 with AIP SSM module, ASA 5500-x with FirePower services, WLC 2504
• Experienced with Cisco ASA Firewalls
• Configure VRF using RD/RT and customer ID to separate the customer traffic
• Various routing protocols like OSPF, BGP, EIGRP, RIP as per customer requirements to provide end to end connectivity to the users
• Ensure all services and configurations are perfect and deploy devices at the customer’s site
• Provide on call support to field engineers while they install the devices at customer site and troubleshoot issues, if at all, encountered by the field engineer

Environment: MPLS, WAN L3VPN, EIGRP, OSPF, BGP, RIP, VRF, VPLS, Policy Based Routing

Jr. Network Engineer

Confidential

Responsibilities:

• Collaborated with business and IT partners to support requirements identification, development, testing, and implementation of projects.
• Consistently worked with the team to identify and implement quality improvements resulting in reduced time to test and higher confidence in results through automation and tools.
• Collaborated with field engineers, transport team, provisioning team, wireless team for a faster resolution.
• Configured OSPF and EIGRP in the provider network to set up the Label switched path. Setup and verified policy maps for customers to give them required CIR and avoid over utilization to avoid route congestion. Performed network traffic inspection by monitoring the packet flow between the provider routers (7600, 7000, ASR-1000, 3600, 3800, W60) and switches (3400, 3500, 2400, W2D, W4D) to ensure smooth network connectivity.
• Troubleshot the Layer 3 Virtual Private Networks by performing end-to-end Network troubleshooting on MPLS networks to meet SLA requirements like low latency, no packet drops, guaranteed bandwidth, QOS.
• Analyzed and revamped antiquated and inefficient processes to increase productivity while bringing in newer and more efficient technologies.
• Maintaining Core Switches, creating VLANs and configuring VTP.
• Performed redistribution with OSPF, EIGRP to enable communication with backbone.
• Configured OSPF for Stub area, Totally Stubby Area and NSSA.
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems