SKILLS:

• Cisco Routers - (1800, 1900, 2800, 2900, 3800, 4000, 7500 series)
• Cisco ASRs (1000, 900 series)
• Nexus Switches (2000, 3000, 5000, 7000, 9000 Series)
• Cisco Catalyst Switches (3850,6800,4500,9000)
• Cisco Security Appliances - ISE ACS FMC FTD
• Enterprise Wireless Controller Cisco - 4400, 5500,8500 9000 Series
• Firewalls - Palo Alto, Checkpoint ASA
• Layer 2 - LAG, LACP, PAGP, VPC, OTV, VLANs, VTP, STP, RSTP, MST, 802.1Q, ISL
• Layer 3 IGP - OSPF, EIGRP & RIPv2, GRE, Redistribution, Summarization, IPv6, PBR
• WAN - MPLS, BGPv4, VRF, DMVPN, MP-BGP (L3VPN, L2VPN & Traffic Engineering)
• Security - Cisco Identity Service Engine (ISE), IPsec, Firewalls, MD5, VPN, TACAS, RADIUS
• Services - HSRP, VRRP and GLBP, DHCP, DNS,NTP, SNMP, NetFlow, VoIP.QoS
• IP Multicast, VMware, EXSI, OpenStack,Python
• IP Design and Documentation with Visio
• Monitoring Tools - Cisco Prime, NetBrain, SolarWinds, Nagios, NetQoS, Splunk
• Ticketing - Remedy, Service Now, HP Service Manager
• Infoblox (IP Management, DNS, DHCP)

PROFESSIONAL EXPERIENCE:

Confidential, Bethesda, MD

Sr. Network Engineer

Responsibilities:

• Led the initiative to migrate the legacy wireless network for multiple buildings within Confidential on the Next Generation Wireless infrastructure
• Led the project to Consolidate the various Generation data centers into 2 main data centers
• Manage and supporte the wireless network with over 30,000 connections utilizing cisco Prime Infrastructure
• Resolved high priority customers data center request requests
• Tier 3 support Engineer for all Wireless and firewall related escalation for the operations team.
• Develop documentation and maintain a data base of network diagrams and configuration
• Led the Initiative to replace end-of-life Cisco Fabric Extenders with Cisco N9ks iin the Data Center
• Leading the initiative to migrate multiple ICs connection from the Legacy 6500 switches to the Nexus infrastructure in the Data Centers
• Deploying cisco nexus 9ks to support Cisco ACI
• Deploying OTV to support layer 2 communication between the two main data centers
• Respond to complex customer requests data center requests and incidents
• Monitor, document and control infrastructure performance for response throughput and availability.
• Led the deployment of Cisco ISE on the Wireless and Wired Network for all Campus and remote location
• Deployed managed and maintained DMVPN for over 100 remote location

Confidential, Washington, DC

Sr. Network & Security Engineer

Responsibilities:

• Redesigned the Wired and wireless network for optimal performance
• Deployed end-to-end QoS to support VOIP
• Replaced existing Core switches (6500 switches) with cisco 6800 series chassis.
• Migrated services from ASA 5510 to ASA 5512-X Cisco Firewalls.
• Lead engineer on ISE deployment for AAA on LAN and WLAN, utilizing 802.1x, anyconnect NAM with EAP-FAST and MAB printers
• Migrated Tacacs from ACS to ISE Version 2
• Built and managed site-to-site IPsec tunnels to remote offices utilizing cisco ASAs
• Migrated B2B and RA VPN connections from IKEv1 to IKEv2.
• Provide detailed documentation of the entire network (LAN, WLAN and WAN) using Visio.
• Manage deployment and testing of code updates for Cisco wireless systems,
• Monitor, document and control infrastructure performance for response throughput and availability.

Confidential, Sterling, VA

Sr. Network & Security Engineer

Responsibilities:

• Redesigned the wireless network. Serves as the third level of escalation for the operation team.
• Replaced existing Core and Aggregate switches (6500 switches) with Nexus 5000 series and 4500 series chassis.
• Migrated services from ASA 5510 to ASA 5512-X Cisco Firewalls.
• Lead engineer on ISE deployment on Wlan utilizing 802.1x,anyconnect NAM with EAP-FAST and MAB for biomed wireless devices and printers
• Migrated Tacacs from ACS to ISE Version 2
• Replaced EoR and ToR Switches with Nexus 5000s and 2000s in Data Centers and DR sites.
• Provide detailed documentation of the entire network (LAN, WLAN and WAN) using Visio.
• Manage deployment and testing of code updates for wireless systems, such as WiSM, WiSIM2 and WLCs.
• Monitor, document and control infrastructure performance for response throughput and availability.
• Migrated B2B and RA VPN connections from IKEv1 to IKEv2.
• Provide second and third level support to Network Operations and team members.

Confidential, Gaithersburg, MD

Sr. Network Engineer

Responsibilities:

• Provided operational and project support for enterprise initiatives.
• Designed and deployed Cisco ISE for wireless authentication using EAP-TLS and guest provisioning
• Managed and maintained all ASAs/Palo Alto and VPN concentrators.
• Lead engineer on a firewall refresh Replaced ASAs with a layer 7 firewall (Palo Alto 5020s).
• Configured and troubleshot WAN and enterprise routing related problems including EIGRP and BGP.
• Monitored network systems. Took ownership of and resolved incidents within guaranteed SLAs.
• Directed testing of code updates for wireless systems such as WiSM, WiSM2 and WLCs. Responsible for managing the deployment as well.
• Managed, monitored and documented infrastructure performance for response throughput and availability
• Provide detailed documentation for projects and operational needs.
• Provided second and third level support to Network Operations and team members.
• Upgraded IOS on Routers, Switches, WiSMs, WLCs and Firewalls.

Confidential, Silver Spring, MD

Senior Network Design Advisor

Responsibilities:

• Provided network design, documentation and implementation expertise for large healthcare customer.
• Provided operational and project support for enterprise initiatives.
• Led the integration efforts for branch offices and affiliate practice acquisitions. Worked with Project Managers from scoping until implementation and eventually, support.
• Configured and troubleshot WAN and enterprise routing related problems including EIGRP and BGP.
• Monitored network systems and resolved incidents within guaranteed SLAs.
• Provided detailed documentation for projects and operational needs.

Confidential, Greenbelt, MD

Network Engineer

Responsibilities:

• Configured Cisco Layer 2 and Layer 3 switches and routers. Handled the configurations and upgrades for all routers and switches. Designed and implemented VLAN environment to increase security performance and facilitate bandwidth management.
• Followed established procedures to deliver pre-defined solutions.
• Monitored and responded to network events regarding deterioration in performance and implements established actions to restore network functionality.
• Installed, configured and managed Cisco 6500 Switched LAN environment.
• Skilled in applying network systems methods in order to plan, maintain, troubleshoot and enhance network systems that respond to a large-scale campus network systems.
• Configured and troubleshot WAN related problems including OSPF, EIGRP, BGP and RIP routing and design.
• Provided second and third level support to Network Operations and team members.
• Provided remote support for LAN/WAN networking and security implementations. Analyzed and recommended corrective actions pertaining to network performance issues.
• Configured routers for OSPF, NAT, HSRP, Multicast, ISDN backup, frame encryption, compression and traffic shaping.
• Configured and troubleshot IGP routing to include RIP v.2, OSPF, EIGRP, redistribution and BGP.
• Directed application of various Cisco technologies to include PVST+, PAGP, Trunk, routing, ACLs.
• Understanding of DNS, SMTP, HTTP, and HTTPS, TCP/IP, UDP, VPN and ARP.
• Knowledge of routing, switching, MPLS VPN, LANs, WANs, Network Security policies and QOS.
• Worked with Cisco ASA firewalls. Troubleshot Cisco switching 802.1X and port security issues.
• Configured Hot Standby Routing Protocol to provide high network availability by protecting against a single router failure. Configured basic HSRP (One HSRP group), basic HSRP configuration using the track option (tracking of serial interfaces) and configured Multigroup HSRP configuration.
• Troubleshot HSRP with various commands such as debug standby and show standby.

Confidential, Bowie, MD

Network Engineer

Responsibilities:

• Monitored the network performance regularly to improve performance and functionality.
• Monitored network/software security. Controlled access to the IT network and updated security programs as a part of the security procedure.
• Responsible for the installation of software and maintenance of workstations,
• Assisted in maintaining the network and system documentation including hardware/software configurations. Supported logs and other related technical information.
• Monitored and troubleshot network with tools such as Traceroute, Ping, tcpdump and Sniffer Pro.
• Diagnosed, troubleshot and upgraded all Macintosh Power PC desktop and laptop systems.
• Upgraded Cisco Routers, Switches and Firewalls IOS using TFTP.