Harry Siva

**** ***** ***

Palo Alto, CA-*****

510-***-**** (c)

adlosi@r.postjobfree.com

Objective To obtain a challenging position in the field of Telecommunications in a progressive organization that will provide continuous opportunity for me to contribute to the organization and also to grow professionally.

Summary 20 years of experience in telecommunication engineering. Thorough working knowledge of digital telecommunications networks and systems. Strong experience in telecommunication industries, enterprise network, computer networking standards, protocols & architecture. Comprehensive experience in Electrical Engineering, embedded systems, ASIC and VLSI Design.

Professional Stanford University: Stanford, California

Experience Unified Communications Specialist

2016-peresent Provide operational support for Unified Communications, Multi-Media Contact Centers, and Messaging services for Stanford University, Stanford Healthcare, and Stanford Children’s hospital.

Partner closely with the Voice Applications and Services engineering team in the technology innovation, architecture, engineering, client consulting-provisioning, evaluation, testing and creating support processes and documentation of new UC technologies and services.

Skills

VoIP protocols (SIP, SCCP, MGCP, H.323), TCP/IP, UDP, RTP, VLANs, and WiFiVoIP.

Cisco Unified Communications Manager (CUCM/12.5), Cisco Session Manager, Cisco IM&P Jabber/12.5, Cisco Video Communication Server (VCS-C and VCS-E/X8.10.4), Cisco Unity Connection/11.5

Cisco Video, TMS, Vyopta, Cloud and Hybrid Collaboration Solutions

Ribbon, Cisco Session Border Controllers

Cisco Unified Computing Systems (C-series and B-Series): C260-M2/1.5.8a, C210-M2/1.4(3y), UC220-M3S, C220-M4S/3.0, C420-M3/1.5.8a, C3X60M3/2.0(9d), UCS-5108, UCS-B200-M3/Firmware-14/BIOS2.2(3b)B, UCS-B200-M4/Firmware-10/BIOS2.2(3b)B

UCCE-12.5, CUSP, ICM, CUCM, CUIC, CVP, and Finesse

VMware vCenter and ESXi/5.5.0-3116895.

RedSky e911 Manager Version 6.

Verint(V15) Call Recording.

SPOK messaging and Paging technologies

Movius Mereon Unified Messaging (Voicemail)

Avaya Communications Manager (ACM), Avaya Experience Portal and associated applications such as Call Back Assist and Proactive Outreach Manager.

F5 Load Balancer: BIG-IP 4200v/13.1.3.4.

2012-2015 Cisco Systems, Inc. (Cameo Global Managed Services): San Jose, California

Senior Network Engineer - Cisco Onsite Implementation Services

Responsible for designing, testing, implementing, deploying, and maintaining new data, voice, and wireless technologies and solutions throughout the Cisco corporate enterprise production network based on standardization guidelines.

Technologies: EIGRP, WCCP, STP, HSRP, VLANs, VSS, DHCP, NTP, ACL, IGMP, PIM, DS3, OC3-3, OC-12, MetroE, SM/MM, 802.11a/b/g/n, 802.1x, SIP, H.323, SCCP, QoS.

Equipment: Routers (ASR 1000s/15.5, ISR 4451/15.5/3.14, 6880-X/15.1, 6500s/VS-S2T-10G/15.1, 4500-X/15.2, 3900s,2900s), Switches (3750s/15.0, 3850/15.0, 4510/Sup8-E/15.2), Voice (CUCM 10.X, VG224, Cisco phones 79XX, 8945,9951, 9971, Telepresence endpoints DX70, DX80, EX60, EX90), WAN Optimization (WAAS: WAVE-694, 7571, 8541/5.3 ), Wireless (Cisco Prime Infrastructure/2.2, 5508 and WiSM2/8.0, 3702I WAPs), Network Monitoring (NAM2320 and NAM3/6.1).

Network design includes determining IP subnets to match capacity and future growth of sites and re-IP if necessary.

Workstation, common areas, and conference room capacity are used to determine the WLC model and the access points, and phone systems needed for sites.

Upgrade campus and remote sites to Cisco Clean Air wireless solution; create heat maps to forecast effective wireless fabric of Clean Air APs using Cisco Prime.

Convert sites using Cisco WLCs to Flex-connect solution.

Modify or create DNS, IP Alias, SNMP, and monitoring records for implemented devices.

Ipv4 and ipv6 address management, reserve and activate IP address blocks to obtain subnets and create related DHCP scopes used in network configurations; includes subnet expansion and readdressing.

Perform project administration; create and close change records, attend change control meetings; create and release handoff documents from implementation to operation groups; update assets in asset management database.

Accomplishments

Key member of the team that successfully completed numerous Cisco sites/buildings for network upgrades, WPR redesign, acquisition, new voice setups, and IP phone refresh.

2011-2012 Intelsat Corporation: Atlanta Metro, Georgia

Senior Network Engineer-Network Architecture and Engineering

Provide design solutions considering appropriate redundancy, availability, scalability, and manageability requirements needed for the continuing success of Enterprise network infrastructure. Create robust network designs, act as project engineer for implementation and provide ongoing level 3 support and maintenance.

Ensure the stability and integrity of data, and wireless network systems. Troubleshoot network performance problems and determine appropriate circuit types and capacities. Participate with monitoring, maintaining, supporting, and optimizing of all network hardware, software, and communication links. Analyze and resolve network hardware and software problems in a timely and accurate fashion, and provide end user training where required. Implement change management and upgrade hardware and software of router and switch network.

Skills

Routing and switching: including but not limited to, OSPF, WCCP, Ethernet, VLAN, Trunking protocols/802.1Q, Spanning Tree (STP), HSRP, and VRRP.

Wan Optimization: Riverbed Steelhead 3520/1020/520/6.5 and CMC8000/6.5.

Enterprise Wireless: Cisco Prime NCS/1.0.2, Cisco WLC 4402/7.0, AP1142/1131/1242, WPA2, 802.1x

Routers and Switches: CISCO7606/12.2, 6509/Sup720, 4506, 3900/15.1, 3560s,2960s

Working knowledge of CiscoWorks LMS/4.0,Cisco ACS/5.3, Microsoft Management Console/6.1 for DNS/DHCP.

Accomplishments

Member of group of teams to successfully launch multiple fixed Satellites and deploy them in geosynchronous orbit.

2004-2011 Valero Energy Corporation: San Antonio, Texas

l/S Specialist – Data/Voice/ Wireless Network

Data:

Plan, design, install, configure, and develop LANs and WANs across the organization. Provide IP Routing Strategy, and determine optimal routing through the network. Provide specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Evaluate and report on new communication technologies to enhance capabilities of the network. Test network design and assess bandwidth requirements to support remote locations.

Skills

LAN/WAN Technologies: BGP, EIGRP, PPP, Frame-Relay, RMON, Ether-channel protocols, Gigabit Switching, and VLAN concepts

VPN Technologies: Configure and maintain Cisco 3000 VPN Concentrators, Cisco ASA5500s/8.2, IPsec, GRE, 3DES, AES, and VPN Tunnels.

Thorough understanding of Cisco 7200, 3800, 2800 series routers, 6500/sup720/12.2, 3750 switches, IOS, CatOS, QoS, and policy-based routing.

Incident, Problem Management, and troubleshooting using Netscout Performance Monitor Suite: NetScout Probes, NetScout nGenius InfiniStream/4.9,HP NNM, HPNA, NetIQ AppManager, and participate in the holistic design and creation of network system management policies.

Experience with cabling and physical wiring to include CAT5e, CAT6 and Fiber 62.5/125 Multimode.

Experience with Aruba 6000-M3/5.0.3.3 Wireless controllers, Airwave 7.0.2 servers, Aruba 65 access points, wireless security protocols such as 802.11a, b, g, n, 802.16, and understanding of LWAP Wireless.

Experience with Bluecoat 9000, 8100, 810, 600/5.5 proxy hardware solutions, accelerators, Director, Reporter, and AV.

Experience in Riverbed Steelhead 5050/6.5 and CMC/6.1 products as WAN optimization solution.

F5 BigIP LTM-3600/9.4 Load Balancers and software.

Proficient with ordering Cisco routers, switches, Hewlett Packet servers, VoIP software, and licenses.

Voice/VoIP/IP Telephony:

Provide a strategy for all voice solutions and infrastructure to support Valero’s business needs. Plan, implement, control and report of projects with the specific goals of building and delivering within the required scope, schedule, cost and quality as per the strategy. Work with multiple vendors, internal and external teams to set up and drive project direction.

Responsibilities include research and identification of best practices with regard to software, routers, switches, voice gateways, gatekeepers, Cisco Unified Communications Manger (CUCM) appliances, and server deployment in support of VoIP and traditional telephony architectures. Determine product capabilities, reduce capital and operational expenses, perform lab testing, and develop traffic management solution. Provide on-site and remote support for the entire telecommunications systems. Additional responsibilities are CUCM backups, CUCM virus protection, voice conferencing, site surveys, circuit management, and cabling projects.

Skills

Strong knowledge of designing, configuring and troubleshooting CUCM (Cisco CallManager versions 3.x-8.x), Unity, Unity Connection, Voice Gateways & associated interfaces like PRI, CAS, T1, DID, ISDN, POTS, FXO, FXS, PLAR, Gatekeeper & associated setups, 911 setups, CUCM Express, Unity Express, SRST, Meeting Place/8106 audio servers, VoIP protocols and architecture including H.323, SIP, G.7xx Audio Codecs compression, RTP, and MGCP.

Experience with Avaya Communication Manager S8700 and S8300 Media Servers, G700 Media Gateways, Intuity Audix, IA770, CMS, and Microcall call accounting.

Accomplishments

Successfully designed and implemented or upgraded voice and data network systems at a number of Valero locations. Developed successful VoIP architectures and migration strategies within a heterogeneous environment.

Part of the team to design and build a $70 million state of the art data center on time and on budget within one year.

2002-2004 ALLTEL Communications, Inc: Little Rock, AR

Network Engineer – Data Network Operations Center

Responsible for turning up and providing operational support and maintenance of ALLTEL’s large capacity DSL, Data, and IP Network including but not limited to

24x7 fault management for all data services and data infrastructure products including xDSL, MPLS/TLS/VPN, ATM, Frame-Relay, ISDN, dedicated customer connections and Internet

Troubleshoot MPLS tunnels, 2547/L2VPN, 802.1q trunks, BGP peering sessions, network elements, protocols, services, and transport layer problems

Perform configuration changes and technical support of Cisco IGX/BPX and Lucent CBX500/STDX9000 ATM switches, Juniper ERX, M10, M20, M5 and Cisco AS5200, AS5300, 2600, 3600, 7500, Cat2950, Cat4000 multi-layer switch routers and ASIC based IP routers, Cisco 6130/6160, Alcatel 1000/7000, Fujitsu, Lucent MRT, AFC, Adtran, and Calix DSLAMs

Prepare MOP and documentation for changes during the maintenance window and participate in change management process

Work with vendors, carriers, and internal departments to troubleshoot and resolve network issues

Coordinate activities with junior and senior staff during network troubles or outages

Act as liaison for large customer account support issues, Work on network and perform On-Call duties on rotational basis for network and key-customer issues

Review, assign and monitor CO/field technician work force tasks and schedules. Analyze failed tasks and provide system administration and correct task interface errors.

Skills

ADLS engineering knowledge of Digital modulation (DMT, CAP, QAM), Encoding, Interleaving and CPE technologies.

Understanding of TCP/IP, ATM QoS, and ATM Frame-Relay interoperability.

2001 Williams Communications Group: Tulsa, OK

Network Engineer – IP, data and optical Network

Primary responsibilities included analyzing, evaluating and planning network capacity and design requirements. Secondary responsibilities included working with the lab to test equipment and software as required to meet the network architecture needs, and performing user acceptance test of network topology and switch code.

Technical Projects

Tested and certified Hierarchical Private Network to Network Interface (HPNNI) protocol and worked with Maintenance Engineering to implement it into production.

Performed testing on switch codes & Network Management System (NMS) for ATM Virtual Network Navigator (VNN), following pre-written test procedures.

Tested & certified Switched Virtual Circuits (SVC) and Multi-Class Frame-Relay Services as ATM products on HPNNI and VNN Network using pre-written Test Plan.

Worked on the VNN-PNNI convergence certification to ensure an unlimited scalable ATM network with multi vendor interoperable solution and efficient routing.

Accomplishments

Network Optimization - Required in depth analyses of ATM trunking plan to determine what, if any, ATM switches, OC48, OC12 or OC3 level circuits could be eliminated. Considerations included, but were not limited to trunk utilization, current and anticipated demand and network performance under severe network events. Ultimately resulted in 6 Offnets removed which saved company $.67million MRC.

Regional POP Migrations - Required coordination among multiple groups in addition to the analyses of how best to re-design and consolidate Trunking. Ultimately resulted in decommissioning 13 ATM switches, cost up to $5 million.

Oklahoma State University: Stillwater, OK

1999-2000 Engineer/Researcher - Digital Signal Processing & Communications Research Group

Worked on low power implementation of digital filters and hardware realization of adaptive filters.

Designed and implemented computer subsystems.

Teaching Assistant- Department of Electrical and Computer Engineering

Provided technical guidance to senior design students in designing embedded systems, robots, and various engineering projects and graded their performance. Taught undergraduate students FORTRAN programming, handled lab sessions and graded exams.

1998 -1999 Computer/Network Support Specialist - Department of Computing & Information Services

Provided technical support for the campus Local Area Network. Configured LAN devices and diagnosed PCs. Monitored systems consoles for the IBM 9672 mainframe and LAN systems for conflicts, error messages and halts, and Performed tape operator library functions.

Education Master of Science - Electrical and Computer Engineering, December of 2000

Oklahoma State University, Stillwater, OK

Bachelor of Science – Electrical and Computer Engineering, May of 1999

Oklahoma State University, Stillwater, OK

Certification ACMA - Aruba Certified Mobility Associate, June of 2011

CCNA - Cisco Networking Academy, August of 2003

Publication Reducing Hardware Requirement in FIR Filter Design, IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP-2000), Istanbul Turkey, June 2000

Advanced Courses Telecommunication Systems Wireless & Networking research

Digital Signal Processing Data Communications

Computer Architecture VLSI Design

Activities Member of Eta Kappa Nu (HKN) and IEEE

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