TECHNICAL SKILLS:

• Cisco 6000, 5000, 4000, 2900 switch configurations. Cat IOS 4.x and 5.x, MLS with RSM and MSFC.
• Cisco 2500, 2600, 3600, 7500 router configurations. Cisco IOS 11.X - 12.X.
• WAN with Frame Relay, PPP, ATM, ISDN DDR. DS3, OC-3 circuits with HSSI and POS interfaces. Cisco VPN 5000 and 3000 concentrators, Cisco Secure, RADIUS, NAT, Cisco Local Directors.
• VLAN’s, Etherchannel, ISL, Dot1q, VTP, RMON, SNMP, etc.
• Redundant configuration of layer 2 and layer 3, STP load balancing, HSRP, and VRRP.
• Routing protocols, RIP, EIGRP, OSPF, BGP, route redistribution, route maps, route filtering, ACL’s. Network monitoring with Cisco Works, HP Openview, RMON probes, SPAN, Sniffers, etc. Firewall Configuration with Cisco Pix, Open BSD, Redhat Linux, Sunscreen SPF 200, Checkpoint FW-1. Voice and Video over IP and associated protocols: toll bypass, MGCP, H.323, SIP, SCCP, H.245, H.225, large scale design, architecture, legacy phonemail integration, Cisco UNITY, SMDI.

PROFESSIONAL EXPERIENCE:

Confidential, Sunnyvale, CA

Sr. Unified Communications Architect

Responsibilities:

• Cisco Unity Connection voicemail and Unified Messaging
• Cisco Session Manager Edition (SME) Design and architecture
• Cisco CUBE for PSTN SIP Trunking
• Cisco CUSP SIP proxy and virtualized SIP proxy
• Cisco Telepresence systems TMS, TMS - XE, and TMS-PE
• Cisco Telepresence endpoints SX series, MX700/800, and IX5000
• Cisco UCM versions 6 - 11 multi-cluster environment; includes megacluster
• UCS Virtualization on VMware ESXi 4/5 including Vcenter
• Webex Connect/MeetingCenter Collaboration
• Webex Cloud Connected Audio (CCA)
• Cisco Jabber Desktop voice/video
• Cisco VCS/Expressway with B2B video and Collaboration edge (MRA)
• Cisco MSE8000 chassis with MCU and TP Server blades for video conferencing.
• Distributed Virtual Telepresence servers and Conductor
• DC networking. Nexus 1/2/5/7K switching, ASR 9K/1K, VPC, VSS, FEX, Fabric interconnects.

Confidential, Pleasanton, CA

WAN and VoIP Architect

Responsibilities:

• Designed regional gateways to support IP communicator rollout. We will be using Cisco 3845 based routers as H323 gateways to also support TEHO and Toll-bypass.
• Working with Cisco Emergency responder design and implementation for HQ rollout for over 15,000 IP phones.
• Session border controller evaluation to provide secure border for IP voice service providers (SIP trunking for example).
• Working with Global Crossing to pilot a SIP trunk into our HQ CCM cluster environment as a possible replacement for legacy TDM trunks.
• Project to encrypt WAN traffic in 11 countries per GIS mandate.
• Worked on many network integrations addressing issues of IP overlap, IPSec VPN setup, routing protocol redistribution, etc.

Confidential, Pleasanton, CA

Principal Network Engineer and Architect

Responsibilities:

• Internet Architecture. I redesigned Confidential ’s Enterprise Internet infrastructure. The scope of this project included multiple Internet POP’s and DMZ’s, distributed tiered firewall system, Security, and high availability. BGP peering with the ISP’s configured at each site, with iBGP and EIGRP redistribution for dynamic failover between sites.
• Content Network Architecture. I redesigned our content delivery infrastructure. The design included migrating from Cisco Local Director’s to the Cisco CSS switches. The content inspections include cookies, URL, tcp/udp ports, http redirection, SSL termination, VRRP, and active-active CSS operation. All of the company’s Internal and revenue generating, customer-facing applications have been optimized through the use of CSS.
• EIGRP redesign. Objective was to optimize EIGRP routing and prevent SIA’s through summarization, stub networking, eliminating PPP host routes from ISDN DBU, and manipulating routes by adjusting delay, off-set lists, and distribute-lists. Included reallocation of IP addresses on summarizable bit boundaries.
• Multicast redesign. Designed our PIM sparse-dense mode network. Used precise placement of RP’s and mapping agents, ttl scoping, and adminstratively-scoped boundaries.
• Cisco IPT and VoIP architecture. I designed, defined the standards, and set the strategic direction of our Cisco VoIP deployment. We have deployed Cisco IPT both domestically and internationally. We currently have four Call Manager clusters. We use MGCP 8XT1 Voice gateways, h.323 FXO/FXS gateways, and Cisco 3640 and Cisco 3700 series routers running SRST code. LLQ and FRF .12 are deployed at WAN endpoints for prioritization of RTP and call control flows. LAN switch transmit queues have been prioritized for voice traffic. We also integrated Siemens phonemail using SMDI and VG248. We also deployed IPCC Express for a small call center internationally.
• Core Redesign. I designed a pure layer 3 multi-gigabit architecture optimized for speedy packet switching on the Catalyst 6500 platform. All components of WAN, MAN, Remote access, and Internet layers, and their IP address summarizations, have been logically placed within the core architecture for efficiency and high-availability.
• Extranet. IPSec VPN infrastructure. Designed an infrastructure with high availability using Nokia Checkpoint firewalls, Cisco 7206VXR routers with hardware acceleration, IKE dead peer detection, GRE for multicast and routing updates, and reverse-route injection.
• Network Infrastructure Security. I designed a secure network infrastructure that mitigated the effects of DOS, Viruses, and zero-day worms, through the use of IOS features such as TCP intercept, unicast RPF, egress/ingress packet filtering, and NBAR. We were able to limit the effect of packet spoofing, code red virus, and SQL slammer worm.
• PGS Network. I designed the PGS Network which included IPSec VPN tunnels, role-based authentication, web-authorization with RADIUS infoblox backend., and high-availability.
• Large merger and acquisition experience integrating networks from Vantive corporation, JD Edwards, and now Oracle into Peoplesofts’ enterprise network.

Technologies: Pix firewalls, 802.1x, 802.11, Cisco 7XXX routers, Nokia Checkpoint, BGP, EIGRP, multicast, PIM, OSPF, IPSec VPN’s, Cisco Secure ACS, Cisco Catalyst 65xx, MSFC’s, VoIP, Cisco CSS 11X00, Cisco VPN3000, ATM, Frame-Relay, L2/L3 QoS, RADIUS, TACACS, AAA, Cisco Works, SNMP, traffic shaping, NBAR, and just about all IOS features.

Confidential, Santa Clara, CA

Sr. Network Engineer

Responsibilities:

• Worked for Confidential as a senior level network engineer working on the following

Confidential

Network Consultant, Northern CA

Responsibilities:

• Worked as mainly a network engineer at the following customers:

Confidential, Menlo Park, CA

Sr. Network Engineer

Responsibilities:

• Responsible for all aspects of companies LAN. Duties include:
• Configured Cisco Routers and switches, 2600, 3600 routers and 5500 series L3 Cisco switches.
• Configured Pix Firewall and designed security policy.
• Support NT RAS server and remote clients.
• Troubleshoot LAN/WAN connectivity; VPN, WINS, DNS, DHCP over LAN and Frame Relay

Confidential, San Francisco, CA

Sr. Network Engineer

Responsibilities:

• MS Exchange Server support.
• Troubleshoot LAN/WAN network connectivity issues. Simple Cisco Router configuration.
• Create new accounts, file shares, and set access permissions.

Confidential, San Leandro CA

Network Engineer

Responsibilities:

• Create home directories and login scripts.
• Manage NT accounts, file shares, and access permissions.
• Support dial up RAS users.
• Configured routers for IP and DLC environments. Added subnets and configured ACL’s and RIP.
• Lotus Notes administration

Confidential, Fremont, CA

Network Consultant

Responsibilities:

• Managed and configured network services such as DNS, WINS, PDC/BDC, DHCP, etc.
• Managed Cisco 2500 routers with Frame-Relay and X.25 networks.
• Exchange 5.5 integration with Unix Sendmail.
• Maintained Hubs, switches, and cabling.
• Solaris 2.x NIS/NFS environment administration.
• Manage backups of workstations and servers.
• Manage user accounts, RAS PPP accounts, mail accounts, system policies, and login scripts.
• UNIX and NT connectivity issues such as printing and NFS file system mounts.

Confidential, Roseville, CA

Network Administrator

Responsibilities:

• Supported NT and HP-UX workstations and servers.
• Maintain 3COM and Bay hubs and switches.
• Configured 2500 Cisco Routers with token ring, and created bridge groups to support the business support team.