SUMMARY:

• Experience in installing, migrating, configuring, and troubleshooting of high end Routers and Switches. (Cisco ASR 9000, CRS, 7600, 7600, 3900, 3800, Catalyst 3750, 4500, 6509 and Juniper QFX 5100, MX Series Router)
• Experience in configuration and troubleshooting routing protocols including RIP, EIGRP, OSPF, IS - IS and BGP.
• Experience in testing of Cisco high end products C12000, CRS and ASR9K platform routers running advanced IOS-XR Software.
• Experience in Manual and Regression testing in BGP, MPLS, L3VPNs, L2VPNs, QoS and Multicast
• Experience in implementation of dynamic multipoint virtual private network (DMVPN) and support and resolutions to network issues, troubleshoot and resolve issues related to DMVPM.
• Experience in daily management, configuration and implementation of Cisco 4507 and 6509 Layer 2/3 switch
• Refreshed documentation of entire enterprise network including all routers, switches, firewalls, and wireless LAN devices.
• Worked closely with application development and systems team to ensure firewall flows were opened for testing and production purposes and to ensure those flows met Enterprise security guidelines.
• Handled escalations and resolved technical issues according to SLA
• Executed trouble tickets and performed desktop support to on-site users, for resolution of PC related issues. Performed daily backup of all critical data.………………………
• Installing, secure, maintaining, troubleshooting, administering and upgrading Microsoft Windows Server operating systems with all required server roles on assigned servers.
• Hands on experience with installing and managing IT services such as Active Directory, Site replication, Multi Domain forests architecture, DNS, WINS, DHCP, and Terminal Services.
• Planned, tested, and implemented System Center (SCCM and SCOM) 2007 and upgrade to 2012 R2 enterprise environment.

TECHNICAL SKILLS

• CISCO Routers: ASR 9000, CRS 1000, 7600, 72xx, 3900, 3800, 3700, 3600, 2600,1700 series
• CISCO L2/L3 Switches: 2800, 3500, 3700,4000, 6500 series
• Juniper QFX 5100 Switches and MX Router
• VMWare, Hyper-V
• Cisco Meraki Security MX 400, Wireless MR 42 and Switch MS 410
• Microsoft Server 2003, 2008, 2012 R2 and System Center 2012.
• Symantec Enterprise Antivirus solution and Backup
• Network Management software - Solar Winds Orian,, Wireshark, OPNet
• Netapps, HP Proliant Servers, DELL PoweEdge 24xx, 25xx,4400 Servers
• IBM PCs/Compatible Desktops, peripheral devices such as network printers
• Vulnerability Assessment (VA) Tools – Nessus, NMAP.

WORK EXPERIENCES

Confidential, Colorado

NETWORK ENGINEER 

• Implementation, configure and support of BGP Community
• Implementation, configure and support of MPLS, MPLS-TE and VPLS.
• Implementation, configure and support of IPV6 over the Backbone ISIS and the BGP Relationships.
• Implementation, configure and support of Netflow Collector for Security Proposes.
• Plan for security on Customers LAN.
• Migration from L1 to L2-L2, ISIS redesign of entire Network.
• Implementation, configure and support of DWDM metropolitan RING.
• Generation of Statistics for Traffic Analysis using NPM and Nagios.
• Planning and Design Schemes of Problem Solving and Automatization.
• Research and implementation of new technologies.
• Developing Engineering projects to reduce the Operation time.
• Metro Ethernet Using Dying Gasp, UNI, NNI, QnQ Tunneling.
• Developing configurations standard for new Implementations.
• Developing detail Plan for Equipment Migration MOP.
• Planning of detailed Migrations of platform,
• about 88 Circuits 10GB with around 250 Gbps, without affectation.
• This includes MPLS, ISIS, BGP and L3-VPN Customers.
• Detecting CORE problems ASAP and reacting in case of fiber cuts, damaged equipment replacement
• Write operational MOP (Method of Procedure) documentation
• Collaboration with equipment venders for system improvement
• As Cisco Network Engineer my responsibilities also include: Oversight of all Network Group projects, formulation of budgetary requirements, responsibility for all aspects of the procurement process, creation and maintenance of on-call rotation, change control, training and vacation schedules, foster team building and the professional development of individual engineers, vendor relationships and the design, testing, implementation and support of the entire data network.
• Responsible to meet the SLA's in resolving tickets in Incident and Change Management tickets, providing timely updates and fixing the issue. 
• Logging into Cisco routers and switches using SecureCRT/ PUTTY checking the device uptime, logs, interface flapping, line protocols, neighboring devices etc .
• Implemented security on edge routers utilizing ACLs to mitigate DoS, Spoof and other attacks as well as limiting SSH and SNMP 
• Contributed to a 40% reduction in WAN MPLS outages and restoration time by delivering timely technical training.

NETWORK SYSTEMS ADMINISTRATOR

• Designed and implemented a multi-homed EIGRP network solution
• Configured the security policy and failover for Cisco ASA 5500
• Designed and implemented L2 redundancy (PVSTP).
• Configured QOS for better performance on Vocera wireless VoIP solution.
• Implemented the Cisco WLAN infrastructure consisting of 100 Cisco Aironet AIR-LAP1131AG-A-K9 access points for Vocera communication system (wireless badges).
• Wi-Fi Site Survey for 100 access points
• Installed/configured redundant wireless controllers Cisco 4400 series.
• Implemented high security model between all VLANs by ACL filtering and private VLANs.
• Designed, planned and implemented Active Directory Services, Active Directory Group Policy Objects (GPO), Group Policy Management Console (GPMC), DHCP and DNS
• Migration of Legacy Active Directory to 2012 Active Directory ( Including DMZ) 
• Provide domain administration/lead related architectural support including designing, building and maintaining our Global AD. 
• Monitoring the AD and other windows server through SCOM and troubleshoot the alert.
• Responsible for  scheduling monitoring for the server environment using SCOM which includes Server health, application health, iis etc
• Provide support and managed Certificate Authority (PKI) 
• Manage, Configure Group Policy in order to secure Domain environment 
• Integrate SSO and two factor authentication with Active Directory 
• Administration of access management of user request 
• Supported technical team members in development and implementation of backup and recovery processes 
• Responsible that all are servers have the latest security patches.
• Worked with the configuration manager consult to get all are servers the new SCCM client installed properly and functionally on all are servers.
• Worked with Security team to get all of our DMZ servers to open up all the proper ports for our Core infrastructure Applications to work properly.

SYSTEMS ADMINISTRATOR

• Currently working as a Cisco Network Specialist in a NOC environment, troubleshooting BGP, OSPF, EIGRP, VLANs, HSRP, VRRP, GLBP dealing with layer1 and layer 2 problems and upgrading IOS.
• LAN switching/routing support and implementing configuration changes for Production server groups (ticker plants, real time feeds, staging, QA)
• Design VPN links (Site-to-Site, Remote) to/from exchanges/vendors/customers.
• Designed, planned and implemented Active Directory Services, Active Directory Group Policy Objects (GPO), Group Policy Management Console (GPMC), DHCP and DNS
• Migration of Legacy Active Directory to 2012 Active Directory ( Including DMZ) 
• Responsible for domain administration/lead related architectural support including designing, building and maintaining our Global AD. 
• Responsible for support and managed Certificate Authority (PKI) 
• Responsible for Manage, Configure Group Policy in order to secure Domain environment 
• Responsible for Integrate SSO and two factor authentication with Active Directory 
• Administration of access management of user request 
• Responsible that all are servers have the latest security patches.
• Responsible for Security team to get all of our DMZ servers to open up all the proper ports for our Core infrastructure Applications to work properly.
• Worked with the configuration manager consult to get all are servers the new SCCM client installed properly and functionally on all are servers.
• Responsible for technical assistance in daily system checks and performance including backups and event logs. 
• Responsible for Creating the PowerShell scripts for the automation of the system. 
• Work with Security team for Active Directory auditing. 
• Studied various documents and applied new technologies to the existing system 
• Configure and manage windows License server 2008/2012 and RDS gateway service.