Omar L.

Mobility and Network Consulting Engineer @Cisco

IP Networks🧨 ConsultingUnited StatesComputer engineer🧑‍🔬 EngineerTech Support✔️ ITSystem Architect

Over 15 years of experience on IP Networking and Mobile Data Networks (3G, 4G, LTE, 5G). I've played crucial roles in designing, implementing, and optimizing Cisco's mastering all phases of project delivery (planning, design,implementation, operation, optimization, knowledge transfer, mentoring, and troubleshooting). You have successfully assisted clients such as Yahoo, Getronics, Microsoft, AT&T, T-Mobile, and Verizon, in resolving complex network issues, enhancing network performance, and ensuring network availability. I've had large Customer exposure and a strong background responding and controlling demanding technical incidents and escalated issues. Exceptional problem-solving skills and a reputation of staying updated with the latest technology trends and technologies.

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Work Background

CiscoConsulting Engineer

Oct. 2021Raleigh, North Carolina, United States

CiscoMobility Network Consulting Engineer

Jan. 2021 - Oct. 2021North Carolina, United States

B-YondIMS/VoLTE Core Network Engineer

Jun. 2018 - Dec. 2020Mexico City Area, MexicoIMS/VoLTE Core Network Engineer for AT&T in Mexico City. VoLTE sub-project coordination. Collaborating with third party vendors and stakeholders to design, test and deploy multiple ongoing projects (VoLTE Roaming S8HR, VoWiFi, IPSMS, AES “Apple Entitlement Server”, etc.). Technical Consulting involving all active IMS/VoLTE elements (ICSCF, P-CSCF, S-CSCF, TAS, MRF, SCC-AS, etc.) ePDG and PS elements (PCRF, ASR55K SAEGW - Cisco).

CiscoNetwork Consulting Engineer

Jun. 2016 - May. 2018Bellevue, WashingtonMarch 2017 - May2018 Acting as a Packet Core Consulting Engineer for the AT&T account in Redmond, WA. Field enablement, project schedule, engineering design and implementation. -Proof of concept confirmation. Lab solution design, modeling, enablement and test support. Full functionality and service validation for ECS, BGP, SRP, ICSR, Bulkstats, CDRs, KPI’s and other components (Nephelo 4.7.2 through N5.1 and N5.1.4). -Design, integration, configuration and troubleshooting of ASR5000, ASR5500 and VPC-DI (SAEGW) solution. June 2016 - February 2017 Acting as 1 of the 2 Principal Engineers dedicated to the direct management of the MICROSOFT RETAIL account in Washington; managing and implementing network wide changes for 120 remote sites and 1000+ network devices. -Guidance and direction to Microsoft’s Associates on data and network capabilities utilizing Cisco Technologies. -Develop and present Business Cases to Sr. Management for investment justification (upgrades, replacement of hardware/software, etc.). -Regular implementation and troubleshooting of wide network changes across the Nation (VLANs, EtherChannel, NAT, ACLs, VRFs, VPNs, GRE, DMVPN, OSPF, BGP, etc.). -Provide senior-level planning and design consulting services for new network deployments, focused on IP Networking (R&S).

T-MobileTier 2 Packet Core Engineer

Feb. 2015 - Mar. 2016Snoqualmie, WashingtonDesign, rollout, integration, implementation, optimization and troubleshooting of Packet Core Network for T-Mobile US (2G/3G/4G), interacting with Engineering, Packet Core Design, IP Design and Network Operations Center. Task execution for regular day-to-day operation and provisioning (e.g. configuration changes, traffic moves, whitelisting, parameter modifications, upgrades, etc.). Advanced network monitoring and troubleshooting for all Packet Core nodes including GGSN, SGSN, SGW, PGW (ASR5000, ASR5500), MME & DNS platforms (24x7 on-call rotation).

Cisco SystemsNetwork Consulting Engineer

May. 2009 - Nov. 2014Mexico City Area, MexicoPlayed an integral role in the original Starent Networks team subsequent to their 2010 merger with Cisco Systems, and continued as an Advanced Services Network Consulting Engineer for the LatinAmerica, Caribbean, and U.S. regions. -Delivered robust strategic and technical direction for the LATAM and CANSAC regions, which included providing engineering support to customers. -Implementation and troubleshooting of packet core technology nodes (GGSN/SGSN, SP-GW - ST16,ST40 and ASR5000) in large-scale networks during the pre-sales and post-sales process. -Contributed expertise in mobile, GSM, GPRS, and UMTS networks, as well as GGSN-SGSN and PGW-SGW devices. -Provided senior-level planning and design consulting services focused on IP networking, MPLS and IP routing protocols.

Care TelecomTechnical Project Manager

Mar. 2007 - May. 2009Mexico City Area, MexicoProject control and development of network consulting services. Acted as Team Leader to the 2nd tier Post-Sales troubleshooting team responsible of all Brocade, Juniper, and Cisco devices.

Grupo MASSCisco Project Manager

Jul. 2006 - Feb. 2007Mexico City Area, MexicoDirect Customer and Vendor interaction (Cisco Systems). Project development coordination and consulting.

GetronicsCisco Support Engineer

Jan. 2005 - Jul. 2006Mexico City Area, MexicoPart of the WAN/ACCESS team in the Cisco U.S. TAC (Technical Assistance Center). Effectively engaging customers with complex networking problems/situations involving Cisco devices (Routers, Switches, Access Servers, T1, E1, PPP, HDLC, FR, VPDN, Digital Modems, etc.).