CAREER SUMMARY:

Over twenty years telecommunications consulting experience in packet/circuit switched voice, associated network architecture and signaling protocols. Functioned in the following capacity: Consultant, Systems Architect, Senior Systems Engineer and Systems Test

EXCELLENT WORKING KNOWLEDGE OF THE FOLLOWING:

EPC/LTE network elements and protocols: eNB, MME, HSS, SGW, PGW, SMLC, P - LRF - S1-MME, S1-U, Diameter and UTPv2

VoIP protocols: SIP, RTP/RTCP, Diameter, SIP-I, SDP, Sigtran, SS7, Megaco/H248, TCP/IP, UDP, MGCP and H.323

VoIP network elements: I/P/S-CSCF, MGCF, MGW (Tekelec T9K), Media Gateway Controller (Tekelec T9K), Cisco AS5350

Circuit switched network elements: SSP, STP, SCP, MSC, HLR, VLR, BSC and BTS

Circuit switched protocols: SS7 - TCAP, GSM MAP, IS41, ISUP, SCCP, MTP2, MTP3 and ISDN

IN/AIN services: LNP, CNAM, LIDB, 800, GSM and IS41 wireless TCAP based applications

Test tools: Tektronix Irisview protocol analyzer, INET Spectra, IXIA, HP Openview, Agilent acceSS7, Agilent NGN protocol analyzer, Agilent QoSM, Sentinal, Tekelec IAS, Empirix Hammer Call Generator and Wireshark

Vendor equipment: ACME, ALU, Ericsson, Cisco, Sonus, IBM, SUN, Broadsoft and Sylantro Systems

UNIX: Solaris, Linux, HP/UX, Windows NT

PROFESSIONAL EXPERIENCE:

Consultant

Confidential

Responsibilities:

• Authored system requirements, high level design and application interface design documents to integrate Tektronix KPI Export and OHDR performance data with Confidential & Confidential Mobility performance management operation support systems.
• Worked closely with project management, software development and system test during design, test and deployment.
• Authored high level design and application interface design requirements for Confidential & Confidential USP/IMS core and VNI BVoIP/GVoIP networks.
• Requirements include the export of signaling and QoS KPIs provided by Tektronix G10 probe monitoring solution to PMOSS-VoIP downstream performance management systems for alerting, storage, analysis and reporting.
• Lead high level and application design reviews with development and system test.
• Performed storage and network bandwidth requirements for KPI data. Authored and provided training to network operations in the use of the exported KPI data for troubleshooting.
• Excellent working knowledge of Confidential & Confidential VoLTE, IMS and VNI network topology and signaling protocols.
• Expert knowledge of Confidential & Confidential requirements process and tools e.g., ReqPro and Prism.

Consultant

Confidential

Responsibilities:

• Functioned as technology owner of Business and Consumer VoIP monitoring platform for Confidential Voice over IP networks.
• Provided VoIP traffic modeling and platform capacity growth to meet Customer Care requirements.
• Authored SIP Publish Collector requirements High Level Design and Application Interface Design document to collect voice quality metrics in Confidential CVoIP network.
• Provided new architecture design for Agilent VoIP monitoring platform to address performance gaps and minimize the need for additional capital investment.
• Provided key role in authoring VoIP Monitoring Tool requirements during RFI/RFP process.
• Authored Tektronix High Level Design requirements. Provided VoIP monitoring impact assessments for new projects and continued network growth.
• Performed system sizing and design for Confidential & Confidential 's VoIP signaling monitoring platform configurations based on traffic forecasts.
• Authored Agilent NgNAS Sigtran/M3UA and SIP-I decode requirements of Confidential & Confidential 's specific implementation of TCAP and ISUP.
• Responsible for writing System and Feature Design documents for VoIP monitoring solutions. Authored network element impact assessments for Agilent probe deployments for new VoIP services.
• Implemented Agilent’s NgNAS and QoSM VoIP network monitoring platform throughout Confidential & Confidential ’s worldwide network.
• Maintained and provisioned network element data to monitor various session border controllers, application servers, media servers, TDM gateways, 4E and IMS network elements.

Consultant

Confidential

Responsibilities:

• Performed a multitude of consulting and engineering services to include; advanced knowledge of telephony signaling protocol analysis, product design, development and mentoring for other engineers within Network Engineering.
• Led the development, testing and deployment of an advanced wireless to wire line telephony application for the MVNE/MVNO industry.
• Delivered this complex, one of a kind product within budget and on time.
• Defined AIN trigger criteria and routing scheme for Pacwest Tekelec T9K softswitches and Alcatel 600E switches for Mobile Dial Access.

Consultant

Confidential

Responsibilities:

• Provided consulting services to Confidential Communications VoIP Production Engineering Department. In addition, functioned as technical support for Confidential ’s Network Operations Center and provided a key role during the inception of Confidential ’s Network Systems Integration
• Lab. Authored Confidential Communications Standard PRI and SIP/CAS Media Gateway Configuration Guidelines.
• Lead a team to validate and standardize Cisco AS5350 SIP/ISDN Gateway configurations used to interface to the PSTN for Confidential Communications Production Network.

Customer Support Engineer

Confidential

Responsibilities:

• Performed system installation, integration and test of Confidential ' Network Services Platform (NSP), a Next-Generation SIP based Service Control Point (SCP) providing Advanced Toll-Free services for converged networks.
• NSP is a distributed platform running Solaris O/S, Oracle, Element Management System (EMS), Network Services Platform (NSP), Service Management System (SMS) and Advanced Toll-Free application integrated with various network elements such as Sonus/Cisco trunking gateways and Convergent/Convedia media servers.

Consultant

Confidential

Responsibilities:

• Maintained and provisioned Confidential ’s SS7 signaling network consisting of 5 STP pairs and ANSI/ITU GSM MAP SCCP Signaling Gateway enabling ANSI to ITU GSM MAP signaling conversion to perform authentication, enable roaming, WNP and other AIN capabilities.
• Synchronized Confidential ’s IR.21 customer database with STP and SCCP Signaling Gateway provisioning.

Consultant

Confidential

Responsibilities:

• Provided National Technical Support for Lucent Technologies Internet Call Diversion (ICD) Softswitch platform for Sprint’s IP Dial Service.
• Authored and executed test plans verifying new ICD functionality for Local Number Portability (LNP) and regression testing of ICD Softswitch software releases.

Principal Systems Engineer

Confidential

Responsibilities:

• Provide system analysis, design, definition and specification of complex power-line communication (PLC) and RF systems.

Consultant

Confidential

Responsibilities:

• Traveled extensively domestically and internationally implementing several Confidential VoIP systems for cable service providers.
• Managed the implementation of several VoIP systems and functioned as the primary customer interface. Functioned as a Subject Matter Expert in Signaling System 7 (SS7).
• Performed complete system installation and integration test of Confidential 's VoIP IGCS softswitch technology including provisioning, SS7 Signaling Gateway to PSTN integration and conformance test.
• The IGCS call agent platform consisted of several networked Sun Microsystems components hosting the IGCS Call Agent, Cisco AS5300 trunking gateways, NT based SS7 signaling gateways, DataKinetics and Catapult protocol converters (SS7 - ISDN).