Mohamed Khalil, Ph.D.

118 Briar Oak Dr. Murphy, TX 75094

  H (972) 424 5599 C (469) 463 3276

mmkhalil2001@yahoo.com

 

WORK SUMMARY

 

Well rounded telecommunications expert with over 20 years of experience in complete PLC, Systems Engineering, Product Management and Project Management covering multiple product and technology generations.

 

•                                                                                                                                                                                                                                                                                                  Expert level knowledge  of LTE Architecture, Procedures, Security, VoLTE

·   Deep understanding of Standards 3gpp, 3gpp2, and IETF Standards

·   Understand Requirements Management and Roadmap planning to align with market needs. Responding to customers RFPs & RFIs based on vendors’ product features

·   Expertise in IP Security, protocols (e.g. IKEv1,v2, IPSec, SSH etc). implementation algorithms, risk analysis using CORAS model

•                                                                                                                                                                                                                                                                                                  Strong knowledge of  the IMS system architecture  (e.g. I-CSCF, P-CSCF, S-CSCF), SIP architecture, VoIP & multimedia procedures (e.g. registration, call setup, call termination, etc), Implementation of VoLTE
•                                                                                                                                                                                                                                                                                                  In-depth knowledge of IPv4, IPv6 and IP Mobility protocols (e.g. MIPv4, MIPv6, PMIPv6).
•                                                                                                                                                                                                                                                                                                  Contributed in various RFCs (5845, 5846, 4285, 4283, 4068, 3344)

 

·   Wireless Systems: CDMA, CDMA2000, 1XRTT, UMTS, LTE

 

·   Protocols, Technology and Topologies:  Ethernet, Token Ring, TCP/IP; UDP; SCTP, GRE; L2TP; H323; IPv4; IPv6; ICMPv4,6; BGP; OSPF; SIP;ISUP;SS7; SNMP; PPP; IP Tunneling.  LTE related protocols (e.g. GTP-C; GTP-U; IKEv1;  IKEv2, IPSec, PKI, PMIP6, DSMIP6;PMIP4;MIP6,MIP4;EAP;AKA),VoLTE,VOIP,IMS, Virtualization (C7000, Juniper MX960).

·    

 

·   Security:

·   IPSec, IKEv1, IKEv2, SSH, PKI, MD5, SHA, RSA, DSE, AES, FIPS, AKA, S/MME, LTE Security.

·   Security Customer & standard analysis.

·   Security risk analysis using CORAS model

·   Risk Assessment Analysis, to prioritize the development of security requirements, based on the likelihood of occurrences and the security risk impacts on assets.

·   Defining e-2-e security mitigation plan based on X.805 security model.

·   Design security features  to provide required security protection.

•                                                                                                                                                                                                                                                                                                  Expert level knowledge in security protocols (e.g. IKEv1,v2, IPSec, SSH etc).
•                                                                                                                                                                                                                                                                                                  Expert Level knowledge in many security standards (e.g. 33.401, 33.210,33.310, FIPS 140-2 etc).
•                                                                                                                                                                                                                                                                                                  Ability to make a system security analysis.
•                                                                                                                                                                                                                                                                                                  Expert level knowledge about customers’ security requirements (e.g. TMO, VzW, Sprint, ATT), and different vendors security requirements and features (e.g. Huawei, Ericsson, Nortel)
•                                                                                                                                                                                                                                                                                                  Security Architect for Huawei’s  and Nortel’s LTE eNB, smallcell.

 

 

•                                                                                                                                                                                                                                                                                                  Teaching and Training Area:

 

•                                                                                                                                                                                                                                                                                                  Teaching courses covering the area of LTE, IP mobility for both IP4, IP6, security for customers and employees’ for Nortel’s and Huawei.
•                                                                                                                                                                                                                                                                                                  Teaching a course at SMU about mobility and security.
•                                                                                                                                                                                                                                                                                                  http://lyle.smu.edu/cse/8343/
•                                                                                                                                                                                                                                                                                                  Teaching assistance at NMSU

 

·   Systems: C, C++, Java, UNIX, Solaris, DOS (Windows95/98/2K)

 

·   WORK EXPERIENCE

 

2012 – current Senior 4G/VoLTE Advisor AT&T Redmond Labs, Seattle, Washington

 

·   Integration of GSM, UMTS, LTE procedures with AT&T networks, including core and access networks components (e.g. SGW, PGW, SGSN, GGSN, eNB, RNC, NB, HLR, HSS, PCRF etc.).

·   VoLTE Integration with multi-vendors equipment, ACME, CTS.

·   EPC Virtualization with C7000, Juniper MX960.

·   eMBMS for both ALU & Ericsson.

·   e-2-e overloading performance analysis and enhancement for  the AT&T network covering different nodes such as MME (Ericsson, ALU), DRA (Tekelec), HSS (HP), under different overloading conditions.

·   Strong experience with integration tools such as JDSU, Wireshark, Landslide. IRIS.

·   Multi-vendors experience including Ericsson, ALU, CISCO, Juniper, HP, Tekelec.

·   AT&T, applied for 3 patents related to LTE and VoLTE.

 

2010 – 2012 Senior Architect, Huawei Technology, Plano, Texas

 

·   Smallcell &  Smartphone products

 

·   Present Huawei products for customers.

·   Integrate security features with Huawei’s next generation OAM platform.

·   An architect for an OAM intelligent monitoring system. The intelligent monitoring system collects data from operators network and optimize the utilization of the network resources based on the result of the analysis.

·   Design security features  to provide required security protection for smallcell. The security features include SSH, IDS, SeGW.

·   Customer and market requirement analysis. Analyze requirements from different customers such as VzW, Sprint, ATT, TMO and make decision about which requirements has to be included in the product based on specific timeline.

·   Standard requirement analysis based on 3gpp, 3gpp2, and IETF.

·   Product features and requirements assessment analysis. Prioritize features based on the assessment analysis.

·   Responding to customers RFPs & RFIs based on vendors’ product features. Respond to RFPs relate to customers such Clearwire.

 

 

2009 – 2010, presale group at Ericsson, Plano, Texas

 

·   Managing and coordinating system integration for VoIP systems.  VoIP IOT activates with different vendors such as CISCO/Starent, NSN etc.

·   LTE RFP responses covering the core network elements such as MME, SGW, PGW.

·   Security auditing and certification for different customers such as VzW.

·   Customer interaction and presentations.

·   Managing and coordinating system integration for VoIP systems.

 

Aug 1998 – 2009, Nortel Networks, Richardson, Texas

 

·   Involved in many research projects to explore the potential of Mobile IP to enhance the wireless networks. This includes the optimization of handover procedures and the performance and security of those protocols.

·   Publishing many patents in the area of IP, IP Mobility and Security.

·   Software development for IP Mobility components wit C++ and Object Oriented methodologies.

·   Extensive research to study IPv6 and the impact of IPv6 on wireless systems. This includes introducing methods to optimize IPv6 over wireless networks.

·   Authored many RFC related to IP Mobility (RFC 5845, 5846, 4285, 4283, 4068, 3344)

·   Customer and market requirement analysis. Analyze  requirements from different customers such as VzW, Sprint, ATT, TMO and make decision about which requirements has to be included in the product based on specific timeline.

·   Standard requirement analysis based on 3gpp, 3gpp2, and IETF.

·   Product features and requirements assessment analysis. Prioritize features based on the assessment analysis.

·   Responding to customers RFPs & RFIs based on vendors’ product features. This includes customers such as TMO, Sprint, ATT.

·   Network simulation using OPNET.

·   Researched the implementation options of VoIP and VoLTE over IMS architecture.

 

July 1996 – July 1998, ALCATEL, Richardson, Texas

 

·   Design and implementation of client server applications using C++ and JAVA for network management systems. The implementation of a multi-threaded JAVA client which communicates with network elements using TL/1 commands.

 

Aug. 1989 – July 1996, TSI, Las Cruces, New Mexico

 

·   I was involved in different projects related to image processing and computer vision, client server applications, and GUI development.

 

•                                                                                                                                                                                                                                                                                                  Education

 

•                                                                                                                                                                                                                                                                                                  Ph.D., New Mexico State University USA; Computer science.
•                                                                                                                                                                                                                                                                                                  M.S., Florida Institute of Technology, USA; Computer Science.
•                                                                                                                                                                                                                                                                                                  B.S., Alexandria State University; Computer & Electrical Engineering.

 

•                                                                                                                                                                                                                                                                                                  Patient Granted

 

·   Granted 33 Patents. Awaiting another around 70.

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