Sr. Network Engineer Resume
Greensboro, NC
SUMMARY
- Talented with a diversified background of LAN/WAN troubleshooting and implementation; Distinctive background of troubleshooting processes collaborating with both field engineers and external Clients; Successful diagnosis of network failures, routing and connectivity issues
- Level3, AT&T, Verizon, Global Crossing, AboveNet, Transbeam and worked directly with them to isolate and resolve network failures.
- Assigned and configured IP addresses based on client network requirements.
- Extensive experience with network troubleshooting, implementation and layer 2 switching in Cisco environments.
- Experience working with engineering team to implement routing between company’s and external Internet Service Provider network, utilizing routing protocol such as BGP.
- Act as escalation point of contact for Tier1 and Tier2 group.
- Monitored network using PRTG, Solarwinds and CA Spectrum monitoring software to quickly isolate and resolve network alarms.
- Configured, installed and troubleshoot Cisco routers, switches, firewalls, wireless access points and other network devices within a LAN/WAN environment.
- Opened, logged, tracked TAC Cases with Vendors to remediate hardware and firmware issues.
- Responded to service calls to resolve cable failures, packet loss, IP conflicts and other network issues.
- Validated Enterprise Network to isolate and pinpoint connection and routing issues.
- Daily assignment of switch ports for Host Servers, F5 Load Balancer, IP - Phones and other network devices being deployed in the Data Center
TECHNICAL SKILLS
Operating Systems: Windows Vista; Windows 7, Windows 8, Windows 10, Server 2008, CatOS IOS and NX-OS
Applications: Microsoft Office Suite; Visual Basic 2008; Visio; Remedy Ticketing System; Service-Now; Solarwinds; Cacti Monitoring Tool; Packet Tracer Analyzer; Wireshark, OPNET IT, Cisco Prime Infrastructure 2.2 - 3.1, Live Action
Hardware: Cisco Nexus 2248, 2232 Fabric Extenders, 5548, 5596, 7010, and 7018 Series Switches. Cisco 1900, 2960, 3550, 3560, 3750, 4503, 4505, 4510, 6509 and 6513 series switch Cisco 1600, 1700, 2600, 2800, 3800, 7200, and 7609 series routers. Cisco Wireless Controller 7500 series, Access Point 3600 series, Juniper Netscreen 5XP, 5GT, 10 and 25 firewalls, Juniper M40 core router, Riverstone 3000 network switch and 32000 integrated core switches, Broadsoft VOIP Switch, Edgemarc 4500 series VOIP router, Lantronix SLC-32 and SLC-48 Terminal Server, 3900 and 6900 F5 Big-IP Load Balancers
Protocols: TCP/IP, RIP, EIGRP, OSPF, BGP, DHCP, MPLS, NAT, MLPPP, PPP, SNMP, HSRP, VRRP, Spanning-Tree, and VTP
PROFESSIONAL EXPERIENCE
Confidential, Greensboro, NC
Sr. Network Engineer
Responsibilities:
- Provide level 3 escalation support for halpdesk and client support groups.
- Point of contact for all carrier circuit installation, testing and turn-ups.
- Responsible for all network changes and implementation throughout the Enterprise core network utilizing the CMR/CR (Change Management Request/Change Request) process.
- Participate in all design meetings with upper management to support various business units and ongoing implementation.
- Perform deep dive troubleshooting with third party vendors such as Cisco on major network issues and hardware failure in the environment.
- Layer2/3 implementation and routing changes for new site and ongoing business requirements
Confidential, Whitsett, NC
Network Engineer
Responsibilities:
- Proactive monitoring of the network and responding to SNMP traps utilizing CA Spectrum and Network Node Management Interface (NNMI).
- Troubleshoot and resolved connectivity issues, routing failures, and other anomalies across the Enterprise Network Environment.
- Progressive implementation, troubleshooting and engineering of the enterprise environment.
- Daily assignment of switch ports for new servers, Load Balancers, IP-Phones, Access points and other network devices being deployed in the Data Center.
- Performed network validation for support group to ensure full redundancy across external links
- Placed servers in/out of rotation on F-5 Load balancers
- Add/remove VLANs across the environment and ensure end user connectivity
- Opened TAC cases with Cisco to mitigate and resolve hardware failures in addition to firmware updates.
- Verified interface trunks/port-channel and ensured allowed VLANs are configured and properly trunked across the environment.
- Lead project that successfully upgraded over 100 Cisco 4510 and 6500 series switches in the World Financial Center (performed remotely with onsite engineers).
- Daily ongoing support of the enterprise network ensuring high availability with strict attention to SLAs, time-line and resolution
- Worked extensively with third party carriers such as AT&T, Century-Link and Verizon to identify and resolve WAN circuit failures and routing issues across the environment.
- Opened Change Management Requests (CMRs) based on client’s requirement and implement changes during scheduled window.
Confidential, New York, NY
Associate Network Engineer
Responsibilities:
- Worked with third party Service Providers, Level3, AT&T, Verizon, Global Crossing, AboveNet, Transbeam to isolate and resolve network failures.
- Worked with Engineering team and Implemented BGP sessions between company’s network and external Internet Service Providers.
- Configured, installed and troubleshoot routers, switches, firewall, repeaters, wireless bridges, access points and other network devices
- Troubleshoot issues related to IP SLA and Policy-based routing.
- Opened, logged, tracked TAC Cases with Vendors to remediate hardware and firmware issues.
- Updated router and switch firmware via TFTP and/or local console.
- Ongoing update of ARINs database with external user IP assignment
- Actively take calls from ACD and work with end users to resolve reported issues
- Assigned and configured IP addresses based on client network requirements.
- Provided third level escalation for Tier1 and Tier2 Helpdesk group
Confidential, New York, NY
Field Engineer
Responsibilities:
- Performed cable run utilizing in-building risers to colocation closets and demarcation point.
- Responded to service calls to resolve cable failures, packet loss, IP conflicts and other network issues.
- Performed bandwidth testing at subscriber location to determine speed and line integrity.
- Configure, test and turn up of new customers
- Performed router and switch relocation based on ongoing requirements.