·        Identifying and resolving routing issues in the complex environment of the City of Arlington including public works, city hall, police, fire stations, and data centers.·        Resolving routing and switching issues in OSPF and BGP including application connectivity, troubleshooting sites that have become unreachable, trunk/access VLAN requirements, firewall policy, etc..·        Configuring/deploying/troubleshooting Fortinet firewalls to replace EOL SRX Juniper firewalls as well as supporting new initiatives where NXGN firewalls are required for application control in CLI and GUI. ·        Configuring, maintaining, upgrading load balancing software by Radware within vSphere. ·        Configuring, upgrading, installing Juniper EX3400/4400 switches and SRX firewalls to maintain current security requirements.·        Installing, identifying, and troubleshooting Layer 1 issues including cat 5, 5e, and 6 copper cabling as well as identifying, installing, troubleshooting, and resolving issues with optical cabling including range, TX/RX power requirements, errors, etc.

Supported Cisco IOS, -XR, XE, and Nexus devices (ASR1 & 9Ks, FEX(s), terminal serversRouter/switch builds, resolving issues for a multitude of projects, remote location builds, configuring & maintaining several types of environments for troubleshooting. Wireshark, IP, and MAC filter loggingDedicated video circuit backbone build-out and support. Identifying multi-segment circuit issues, fiber issues past the demarcation point, internal building wiring. Ethernet/LAN with NAT, static routes, port forwarding, DHCP, ACL, etc. iBGP for thousands of hosts. eBGP inter-AS peering for hundreds of hosts.Identifying and resolving all manner of issues in the network including BGP routing, OSPF routing, FW rules, ACL(s) both for the perimeter and multiple services.Led troubleshooting calls across multiple AS(s) with 10 or more teams of engineers until issue resolution. Layer 3 and 4 service configuration and connectivity.DNS zone file/records mgmt.Responsible for all operational network issues that arise within the U-Verse AS.30k planning and view of enterprise network.Identify incorrect network designs, bugs in the OS, and incorrectly deployed configurations Created Methods of Procedure for implementing changes in the Satellite and Video HeadUse a combination of PIM, OSPF, & MPLS along with QoS to route video, voice, and data trafficLifecycle management

Monitored data backbone network and proactively addressed and troubleshot issues with circuits connected to the DSLAMs in various COs. Monitored and assisted in server system monitoring (e.g. DNS, radius, LDAP) and restarted services when I had permissions configured. Worked directly with vendor Wayport installing WiFi Hotspots in several retail locations.Reported backbone outages (e.g. cards failing, insufficient light, fiber cuts, etc) to Technical Assistance Centers (engineering groups), managed executive and troubleshooting conference bridges sometimes simultaneously.Mentored several new technicians and was the de-facto team lead for the better part of 6 months.Managed peering circuits with other Tier 1 ISPs Managed DNS record changes & other configurations needs.

Administrated VMS operating systems in a retail environment.Troubleshot a wide array of workstation level issues affecting retail employees. Resolved Point of Sale hardware/software issues in a timely manner consistent with inter-departmental SLA's.Identified and resolved Local Area Network issues.

Proactively monitored Frame Relay, Point to Point T1/T3, ISDN and ATM connections via NetCOOL to begin troubleshooting immediately, at the point of failure to ensure timely resolution. Created and managed Access Control Lists (ACL) to ensure proper security measures are met ensuring privacy of customer networks.Applied solid technical troubleshooting skills to very difficult customer problems to maintain customer satisfaction.Created and maintained customer premise equipment (CPE) configurations for broadband connectivity in an efficient and timely manner.Managed Authoritative Domain Name Servers (DNS) based on BIND, including editing zone files for primary, secondary and shadow primary name services. Providing a working solution to all name service needs.

Proactively monitored xDSL connections via SNMP and ping scripts to begin troubleshooting immediately, at the point of failure to ensure timely resolution. Mentored more junior technicians in areas such as DNS, connectivity and general troubleshooting.Responsible for escalated customer concerns in a wide array of issues. Created and maintained customer premise equipment (CPE) configurations for broadband connectivity in an efficient and timely manner.Managed Authoritative Domain Name Servers (DNS) based on BIND, including editing zone files for primary, secondary and shadow primary name services.