SUMMARY

• Certified (CCIP, CCNP, CCIE - Written) Senior Network Engineer with over 10 years of experience in Cisco networking. Experienced Application load Balancing
• Routers and switches to include Nexus 7K/5K/FEX, 6500, 3700, 3500, 7600 series devices Cisco Asa firewalls and Juniper MX960
• IP addressing, IP Subnetting, DNS, 10G/1G Ethernet, Knowledge of ITIL processes
• Wide Area Network (WAN) connection methodologies, MPLS, IP VPN, IPSEC, GRE Tunnels.
• Change Management - Request For Change (RFC)
• Incident Management, Problem Management, Service Center, HPNA, SMARTS,
• Asset Management - Configuration Management Data base (CMDB)
• Expert Knowledgeable in routing protocols such as OSPF, BGP, EIGRP, and RIP. Working knowledge of MPLS and IS-IS protocols
• Engineer with knowledge F5 Big-IP LTM/GTM/ASM/Viprion, Cisco CSS/CSM and ACE load balancer, UCS, and Vcenter.
• Experienced with various Sniffer tools including Niksun, fiddler, http-watch, Wireshark, and standard Unix TCP dumps
• Good Working knowledge of MS Office Suite, Visio, Word, Excel PowerPoint.
• Ethernet switching technologies - Spanning Tree, Trunking, QoS, Access Control Lists (ACLs)

TECHNICAL SKILLS

• Routing switching application delivery switching packet capture and traffic analysis wire shark Confidential Open view
• Smarts monitoring cool
• HPNA
• Net cool
• Cisco prime
• Nick sun NetVcr
• Virtualization
• Datacenter Routing and Switching.
• Firewall Configuration
• Site to Site vpn
• DMVPN
• IPsec
• MPLS
• VRFLITE.

PROFESSIONAL EXPERIENCE

Confidential

Network Architect/Senior Network Engineer

Responsibilities:

• Responsible for Design and support of BGP, OSPF’,EIGRP as well as troubleshooting any issues that occur during the initial implementation
• Designing implementing and configuring Cisco firewalls
• Worked closely with application groups to implement application designs for optimal network performance
• Troubleshooting all Network related issues that arise from time to time
• Deployed Cisco ACE load balancer pairs and migrated production applications to the new platform
• Carrying out configurations and support on f5 load balancers
• Responsible for working with other teams to ensure the testing is done and there are no flaws, from a failover stand point and the hardware has no issues i.e. alarms or failures
• Working with vendors such as cisco to address any configuration issues on different equip ments and technologies
• Configuring port profiles on 1000v and troubleshooting port group issues on the Vcenter
• Carryout design, implementation and support of ace load balancers and f5 application delivery
• Carrying out code upgrades on the Data center devices eg Nexus 7k 5k and 1k
• Created Visio design drawings and implementation strategies to in corporate network analyzers and monitoring systems
• Carrying out designs and implementation on virtual environments, creating profiles using templates, assigning vm port groups, configuring vCenter for ip pools, configuring FI.
• Troubleshooting svs connection issues.
• Configure, design, deploy and troubleshoot Cisco Nexus 7K/5K/FEX switches in an enterprise classed network

Confidential

Senior Network Engineer

Responsibilities:

• Carrying out ip ops acceptance for all pre-production devices working on devices such as Nexus 5k,7k ASR 5500, Juniper SRX, MX960, F5 load balancers (vipron) and IPS-Tipping point 2500
• Responsible of all configuration changes pre-production as well as testing
• Working with different protocols such as OSPF, BGP, VRRP
• Responsible for working with other teams to ensure the testing is done and there are no flaws, from a failover stand point and the hardware has no issues i.e. alarms or failures
• Working with vendors such as cisco to address any configuration issues on the ASR 5500
• Carrying out tests and analysis on the outputs for 3G/4G and LTE deployments
• Responsible of ensuring all the address assignments ipv4 and ipv6 are correctly done and test the reachability as well as routing from different critical point
• Configuring port profiles on 1000v and troubleshooting port group issues on the Vcenter
• Installed and deployed F5 Big IP, Cisco ACE, CSM, devices in enterprise classed datacenter networks

Confidential

Senior Network Engineer

Responsibilities:

• Responsible for all duties and tasks of my previously-held Network Engineer position.
• Responsible of different migration aspects which include creation of Bill of Materials
• Responsible for Design and support of BGP, OSPF’,EIGRP as well as troubleshooting any issues that occur during the initial implementation
• Responsible for testing and troubleshooting and implementing Cisco routers and switches including configurations, hardware testing, protocol analysis and testing, backup the configurations image upgrades and downgrades
• Performing documentation using spread sheets Visio diagrams and other tools used for documentation
• Supporting implementation and troubleshooting of designs that are to be carried out
• Interfacing with customers gathering requirements and planning and cost analysis after the customers have provided all the requirements as well as provided dates and deadlines that the requirements have to be completed
• Carrying out presentations and diagraming to different groups on the traffic flow expectations and different protocols used.
• IP addressing assignment and documentation
• Design and implantation of vips on f5 hardware
• Obtaining and analyzing customer configuration F5 configuration files for migration purposes.
• Troubleshooting failed connections and working with application and server teams
• Configuring the Nexus devices connecting to the Confidential blade switches 8024 connected to VMware downstream
• Performing configuration on Nexus 7k, 5k and 2k, configuring fex on the 5k’s for connectivity to the 2k’s, configuring vpc and vdc
• Setting up spans/taps for data collections by Niksun and Net scouts with taps collecting data and sending the data back to the Net scout or netops
• Design, installation and Upgrades on Nexus 5K images from 5.0(2) N2 (1) to 5.0(3) N2 (1) and 2k connected hence the image automatically upgrading on the 2k.
• Deploying riverbeds Steel heads and interceptor for Wan acceleration

Confidential

Senior Network Engineer Design/Consultant

Responsibilities:

• Responsible for all duties and tasks of my previously-held Network Engineer position.
• Creation of changes to be implemented on systems and work with the different businesses on agreement of accepted down times to ensure minimal impact of the Network uptime
• Responsible for Design and support of BGP, as well as troubleshooting
• Responsible for testing and troubleshooting and implementing Dmvpn issues with both internal and external customers which include debugging crypto for IPSec phase 2 and isakmp phase one issues.
• Responsible for testing and troubleshooting and implementing Cisco routers and switches including configurations, hardware testing, protocol analysis and testing, backup the configurations image upgrades and downgrades
• Responsible for testing and troubleshooting and implementing Cisco switches which include hardware replacement such as supervisors incases possible hardware failures due to alerts. Chassis replacements in cases where we have bad slots. Image upgrades on both hybrid and native switches. Spanning tree issues, addressing port security issues.
• Configurations and support of Cisco ASA firewalls as for any connect and support of such connections
• Performing captures and snoops on the checkpoint firewalls, adding new rules for new internal customers
• Supporting implementation and troubleshooting of designs that are to be carried out when on call and my designs during some implementation faces.
• Interfacing with customers gathering requirements and planning and cost analysis after the customers have provided all the requirements as well as provided dates and deadlines that the requirements have to be completed
• IP addressing and submit dns requests for registrations
• Cisco Ace Load balancer configuration and application delivery design and support
• Troubleshooting routing protocols and routing issues such us routing loops which could be due to circuit failure issues, due to changes, implementation of new sites into the network, hardware failures and in some cases failure of protocols or code upgrades that change the behavior of feature sets such as tunnels, where the encryption is done in certain hardware with certain codes of image.
• Research on the current VoIP hardware in place as far as capabilities are concerned as far and memory, the versions that we are currently running, auto attendant set up, the Cue that is currently running as well as the voicemail setup . Configuring the in country Voice Routers dsp farms for trans-coding and conferencing, dial-peers for both pots and VoIP. Configuring Voice gateways and H323 gatekeepers
• Design, installation and Upgrades on Nexus 5K images from 5.0(2) N2 (1) to 5.0(2) N2 (a) and 2k connected hence the image automatically upgrading on the 2k.
• Deploying riverbeds in place of the current (Bluecoat) traffic optimizers
• Performing captures on the riverbed by enabling bypass rules as well as applying them during troubleshooting

Confidential

F5 Engineer

Responsibilities:

• Gather customer data and design for implementation.
• Worked closely with the peer Design Network Engineers and the implementation teams on achieving customer needs and ensuring deadlines are met.
• Designing implementation configuration and support F5 BIG-IP 4.xx and 9.xx and performing upgrade to 10.x to the current 10.2.
• Supporting implementation and troubleshooting of designs that are to be carried out when I’m on call and my designs during some implementation faces.
• Interfacing with customers gathering requirements and planning and cost analysis after the customers have provided all the requirements as well as provided dates and deadlines that their requirements have to be completed
• Ip addressing and dns registration requests through the Qip
• Configuring the BIG- IP LTM (Local Traffic Manager) and High Availability BIG IP F5 GTMs
• Managed configuration and maintenance of critical F5 load balancers

Confidential

Network Engineer

Responsibilities:

• Responsible for all duties and tasks of my previously-held Network Engineer position.
• Creation of changes to be implemented on systems and work with the different businesses on agreement of accepted down times to ensure minimal impact of the Network uptime
• Responsible for troubleshooting new BGP peering and customer sessions, as well as debugging BGP routing problems for troubleshooting
• Responsible for testing and troubleshooting and implementing site to site Vpn issues with both internal and external customers which include debugging crypto for IPSec phase 2 and isakmp phase one issues.
• Responsible for testing implementation and troubleshooting Riverbed traffic optimizers for connectivity issues which include hardware issues such as Raid errors, traffic not being optimized, riverbed health issues, generating tcpdumps and analyzing them, systems being generated and sent to the vendor for further analysis.
• Responsible for testing and troubleshooting and implementing Cisco routers including configurations, hardware testing, protocol analysis and testing, backup the configurations, access-lists implementations and modifications, route map configurations and testing. IOS upgrades and downgrades
• Responsible for testing and troubleshooting and implementing Cisco switches which include hard ware replacement such as supervisors sup720, msfc, msfc with PFC, configurations of high availability features on the redundant supervisors, failing supervisors to redundant once in cases where I’m being proactive incase possible hardware failures due to alerts. Chassis replacements in cases where we have bad slots. Image upgrades on both hybrid and native switches. Spanning tree issues, addressing port security issues, initiating and implementing failover by the use of hsrp.
• Responsible for testing and troubleshooting and implementing f5 load balancers which include replacement of failed devices configuring them and ensuring proper failover issues are addressed. Troubleshooting VIP issue and ensuring the members are up in cases that they are supposed to be up. Running tcpdumps in cases of anomalies, ensuring that the peering to the firewalls and routers are in place as far as bgp is concerned. The same applies to netscalers that we also use for load balancing in some environments.
• Troubleshooting Cisco’s telepresence issues which include: codec failure issues, hardware voice over ip phone issues, connection problems and in very rare cases QOS issues by priotizing voice and video over date when there are utilization problems.
• Troubleshooting routing protocols and routing issues such us routing loops which could be due to circuit failure issues, due to changes, implementation of new customers into the network, hardware failures and in some cases failure of protocols or code upgrades that change the behavior of feature sets such as tunnels, where the encryption is done in certain hardware with certain codes of image.
• Troubleshooting check point issues connection and performing snoops to verify and identify bidirectional traffic
• Support, troubleshooting of Multicast issues in our trading floor environment where we used both pim sparse and dense mode. Also supported multicast issues for our private client branches which involved video feeds for stock tickers, Market news from Bloomberg broadcasts Confidential our private client supported bank branches.
• Responsible for testing and troubleshooting and in rare cases implementing voice over ip in Latin America, which include troubleshooting voice gateway registration to gatekeeper issues, Customers not able to make out bound calls due dsp failures, troubleshoot dial-peers issues, in some cases configuration issues on connection to Avaya pbx in which in some case simulate a plar connection on the connection to the pbx to prove the equipment that we support, running voice debugs, for vpm signal, vpm spi and vstp session. Deployment and support QOS and VoIP in multiple branches, and installation of IP phones.
• Performing analysis of captures that have been provided by the firewall team
• Equipments supported in this environment range:
• Cisco 6500, 7200, 3500, 2600, 3600, 3700, 2900, 4948, 2600, 2800, 2801 voice gateways and gatekeepers, 2900, 1750 and 1760
• Riverbeds 5000 and 1000
• F5 load balancers 6800, 5110, 9000
• Net cool, Tivoli, Info vista, Alter point

Confidential

Senior Design / Implementation Network Engineer

Responsibilities:

• Responsible for the Design and implementation of a spinoff carrier from Confidential which was to go live in the summer of 2010. This included the design and implementation of the backbone, implementation of different protocols e.g. bgp, isis and ospf in the backbone
• Responsible for Design testing and troubleshot and implemented fiber to the premise for new FiOS customers
• Responsible for testing and troubleshooting new implementations which include configuration Cisco routers, switches and thirty party equipments such as which included hardware replacement such as supervisors sup720, msfc, msfc with pfc, configurations of high availability features on the redundant supervisors, failing supervisors to redundant once in some cases.
• Responsible for testing and troubleshooting and implementing technologies such as terminal servers mrv installations
• Designed and implemented FiOS central offices which included Juniper firewall implementation console access to all the devices Confidential the site. Building of tunnels as well as verifying the vrfs.
• Installation and implementation of 7200 routers on the back bone
• Designed and implemented mpls

Confidential

Network Analyst /Lan/Wan

Responsibilities:

• Responsible for testing and troubleshooting and support deployment, and support for Confidential ’s enterprise network while maintaining and trouble-shooting 1500+ nodes and 200+ servers.
• Network design review every Friday, review of designs of new sites, changes upgrades and prepare for refreshes.
• Experience with wide-area high-speed network operation, data center operations, and broadband network planning and operations
• Tested Circuits (Frame, Point To Point, Packet Over SONET, MPLS and DWDM) with LECs and Telco’s running loops and tearing them down to troubleshoot errors and outages Confidential a 24HR environment in the production network.
• Troubleshot WAN issues from Layer 2 carrier technologies e.g. Frame-Relay, ATM and ISDN connections to ISPs to resolve outages to Citi Businesses worldwide. Communicated with Senior Business Managers, VPs and technicians about Severity 1 issues while still being point of contact for Level 1 troubleshooting.
• Engaged third level support groups when needed by escalating when specific SLA benchmarks were reached.
• Shared escalation level information with business managers on conference bridges running concurrently with the technical bridge.
• Equipments supported in this environment range: Cisco 6500, 7200, 3500, 2600, 3600, 3700, 2900, 4948, 2600, Open view, ovo, cisco works, dedicated, ATM, VPN, Frame Relay, ISDN

Confidential

Technical support/ Help Desk

Responsibilities:

• Handled issues involving connectivity to the website, browser configurations and settings ensured the proper encryption and proper procedures are met.
• Handled managing your money conversion and technical issues
• Troubleshot email issues in relation to Netscape and internet explorer and supported software’s such as quicken and quick books, troubleshooting and guiding customer through the installation

Confidential

Network Analyst

Responsibilities:

• Played an advisory role and handling escalated issues from level 1 technicians, field technicians and technicians Confidential the central office.
• Provisioned issues that included liaison with the central office technician to ensure effective wiring
• Handled issues on Compaq computers that were bought partnering with Compaq
• Configured dlci for PVC’S to provide paths to different parts of the frame relay networks as well Red back routers, Cayman routers.
• Supported both Dynamic and Static DSL
• Installation and uninstallation of various software’s including but not limited to point to point over Ethernet and the Atm
• Configuration of authentication protocols e.g. pap and chap. Assist customers through the installation their network cards.
• Consulted with the central office technicians to ensure any downtime or network issues were transparent to the customers.
• Troubleshot email issues POP3 and SMTP