Core Network Solutions
Resume:
Jose Eduardo Lara Alvarado
Frisco, TX
****.*******.******@*******.***
https://www.linkedin.com/in/jose- eduardo-lara-alvarado-772b02112/
Summary
A seasoned Electronic and Communications Engineer with extensive experience in core network solutions, including 4G and 5G technologies. Demonstrates strong expertise in technical troubleshooting, network integration, and performance monitoring within leading telecommunications companies. Skilled in IMS, VoLTE, VoIP, and messaging solutions, with a proven ability to collaborate with vendors and engineering teams to resolve complex issues.
TECHNICAL SKILLS
Technical Skills: DIAMETER, SIP, NAS-5G, NGAP, NAS-EPC, S1AP, GTPv2, RTP, PFCP, TLS, h.323, SCTP, HTTP2, TCP/IP, IPv4, IPv6, SCTP, GTP-U, GPRS, DNS, VLAN, STP, NAT, ACL, OSPF, EIGRP, DHCP, ARP, NAT, PHY, MAC, RLC, DPCD, RRC, MAP, SS7, ISUP, LDAP, Core Network
Solutions
Wireless Skills: Motorola, Samsung, Huawei (WiMax, LTE), ALU (Voice, EVDO, LTE), Dragonwave, Ceragon, Ortho, Redline, Bridwave, Fastback Microwave vendors, Core network (Ciena, Juniper, Cisco, Sandvine, BGP session, LTE IPA's), Transport technology knowledge: Nortel, Tellabs, Fujitsu, Cisco, BTI, Alcatel Lucent, 4G, 5G, VoLTE, VoIP, EPC, VoNR, VoWiFi, 5GC, EPC, WCDMA, MME, PGW, SGW, HLR, SMS, PCRF, AA, EIR, HSS, UDM, P-CSCF, I-CSCF, S-CSCF,
MRF, ηUM, TAS, enodeb, gnodeb, AMF, SFP, UPF, NSSF, PCF, NPC, AUSF, AF, DRA, for vendors like Ericsson, Nokia, Huawei, HPE, End-To-End flow Call, Registration, 3GPP, SS7, DIAMTER, SIP, MN-eNB, SNgNB, 5G-New Radio, Vseries, PCAPPER GCB
Infrastructure & Virtualization: OpenStack, NFV, K8s, VMware, Containers such as dockers (ondaux), Native infrastructure such as Ericsson BSP, VNF, Cloud-native Experience
Tools: NetScout, Grafana, SevOne, Netcool, Cacti, Motorola EMS., Patrol, Ticket Management tools such as NTM, Remedy, Trams, Jira, Network Analyzer such as: Wireshark, log collections apptrace, tcpdump, GitHub, SOAPUI, Putty, Oracle Virtual Box, CLI tools such as Putty, LCM, Even History, Office Suite (Excel, Word, PowerPoint, Visio)
Programming: Python, GitHub, Shell scripting, Linux Command Line, Perl, ENV, Deployments files (YAML), Ansible, Heat Orchestration Templates (HOT)
Documentation: Low Level Design (LLD), High Level Design (HLD), Topologies, Flow diagrams, Root Cause Analysis (RCA), Statements of Compliance (SoC), Bill Of Materials (BoM), Method of Procedure (MOP), Acceptance Test Procedure (ATP), Solution Description (SD), Key Performance Indicator reports (KPI), Customer Information Quality (CIQ)
WORK EXPERIENCE
Cognizant Technology Solutions- Verizon
Packet Broker Engineer Jul 2024 - Present
Configure, deploy, and maintain NPB devices that aggregate, filter, and distribute network traffic to enhance monitoring, security, and performance across Verizon's Core and Edge networks.
•Deploy new instances on Red Hat OpenStack platform for Verizon's Gigamon solutions, ensuring seamless integration with core network infrastructure.
•Troubleshoot and resolve daily issues related to traffic probes, including missing traffic and ageouts, using tools such as Ngenious, Grafana, and SevOne Data Insight to analyze traffic behavior and network performance.
•Configure, add, delete, and troubleshoot monitoring sessions, policy rules, and Gigamon Containers Broker using Gigamon FM to support Core and Edge network operations.
•Lead IPv4 to IPv6 migrations for SBI (Service Based Interface) and diameter traffic, ensuring network resilience and compatibility with 5G Standalone Core functions.
•Conduct traffic assessments for each cluster on Core sites using GCB (Gigamon Containers Brokers) to optimize network performance and reliability.
•Manage upgrades for FM, GCB pods, and VSeries, coordinating with cross-functional teams to
implement new changes on Probes and Packet Brokers.
•Develop and maintain documentation to guide the team and collaborate with other teams in implementing network changes and improvements.
First Point Group (CONTRACTING AGENCY) - Ericsson Dallas, TX
Integration Engineer - Contractor Sep 2022 - Jul 2024
•Analyze, prepare, implement, and verify the configuration and integration of network nodes and systems, including scenarios involving introduction, upgrade, expansion, functionality, and capacity.
•Develop and deliver Acceptance Test Procedures (ATP) for each node, ensuring compliance with core network performance and reliability standards.
•Collaborate with engineering and vendor teams to troubleshoot and resolve complex network issues, contributing to the overall stability of Ericsson's core network solutions.
Verizon MTCE lab responsible Westlake TX
Resident Solution Integrator Engineer - Contractor Sep 2022 - Jul 2024
•Responsible to Support, installation, integration, upgrades, and testing IMS network node virtual MTA (base on OpenStack) following a MOP (Method of procedure).
•Installation and implementation for VNF (TOSCA CSAR packages).
•At the end of each integration deliver an ATP for customer.
•Technical support directly to the customer to modify, test new features and rules in the IMS laboratory.
•Provisioning MDNs to test and specific services such as Number Share, Conference, Flexible Communication Distribution on SOAP UI.
•Working with other teams for support between Verizon network (CSCF, HSS, DRA, etc).
•Call traces testing for scenarios to figure the correct messages flow during call, new features and testing with other vendors that complete the Verizon network. Using Wireshark, NetScout to read and take traces.
•Test solution and give feedback for update MOPs or ways to test with Customer and Ericsson.
•Log analyze to find issues like bugs or incorrect message delivery with new SW develop and create ticket for fix bugs before production development.
Hewlett Packard Enterprise (Mexico)
Technical Solution Consultant, Direct Employee Aug 2021 - Sep 2022
•Provide support for AT&T MX project in delivery team, Responsible to analyze, prepare, implement, and verify the configuration and integration of a node (Method of procedure), network and/or system, include the scenarios of introduction, upgrade expansion, functionality, and capacity and deliver an Acceptance Test Procedure (ATP) of each node. Work in HSS solutions such as native and cloud version.
•Create and run Method of Procedure (MOP) on live network and laboratory network.
•Work on different assignments with customers such as creating, migrate, and remove links, license renew, installation and upgrade for live network on HSS.
•Work on HOT (Heat Orchestration template) templates for instantiation of VNF HSS for Cloud environment.
•Monitor new VNFs deployment as babysitting with tool like Grafana.
•Work directly with customers on laboratory network, giving support on tests, configuration for projects on laboratory.
•Work with another vendors for link enable interact with HSS such a DSR (DRA).
•Work with other vendors with interactions with HSS (PCRF,DRA, MME etc.).
Huawei (Mexico)
Customer Support Lead Apr 2021 - Aug 2021
•Supervise and motivate a team of support agents, ensuring consistent performance and adherence to service level agreements (SLAs).
•Monitor and analyze key performance indicators (KPIs) to identify areas for improvement.
•Provide support for different 4G/VoLTE networks carriers such as AT&T, TELMEX, and TOTALPLAY etc. on charge of four teammates to provide support according with the SLA.
•Responsible to upgrade HSS9860, ATS9900, SPG9860, MRFP660, iCG8915, SE2900, CloudSE2980 and CSC3300 (Trough LMT)for TOTALPLAY Mexico.
• licenses support, support on issues in real time worked in HSS9860, ATS9900, SPG9860, MRFP660, iCG8915, SE2900, CloudSE2980 and CSC3300 for TOTALPLAY Mexico, AT&T ETC.
Work together with Troubleshooting teams for outage on live network.
Nokia Network (Mexico)
Solution Specialist IMS-VoLTE Jun 2019 - Mar 2021
•Responsible to provide standard solutions and offer material to the Customers, which includes Statement of Compliance, point to point technical responses, Configuration, solution description writing dimensioning and standard pricing.
•Working for NAM and LAT markets and customers like Bell Canada, AT&T, ALTAN etc.
•Deliver Bill of Materials, statements, and complaints solution for different customer for IMS/VoLTE products such as CFX500, SBC, Nokia TAS, MRF, ENUM and DRA also for CBAM CloudBand Application Manager.
•Deliver Bill of Materials, statements, and complaints solution for different customer for Data Management Storage products such as SDM,SDL and UDM.
Ericsson (Mexico)
Integration Engineer 2017 - 2019
•Responsible to analyze, prepare, implement, and verify the configuration and integration of a node, network and/or system, include the scenarios of introduction, upgrade expansion, functionality, and capacity and deliver an Acceptance Test Procedure (ATP) of each node.
•IMS (IP Multimedia Subsystem)
RNAM Comcast (On-site) Richardson, TX
Solution Integrator End-To-End Lead 2017 - 2019
•Responsible to support, installation, integration, upgrades and testing for a new lab SIP-to-SIP (CSCF, vCSCF, vDSC, vMTAS, SBG, vSBG, vDSC and vHSS).
•At the end of each integration deliver an ATP for customer.
•Installation of Hardware and Software for VNFs.
•Delivery since installation, upgrade testing of nodes like SBG,v CSCG, vHSS and vDSC (DRA).
•Call traces testing in products to figure the correct messages flow during call and different scenarios. Using Wireshark, NetScout to read and take traces.
RNAM Comcast (On-site) Moorestown, NJ
Solution Integrator-Testing End-To-End Jan 2017 - 2019
•Responsible to Support, installation, integration, upgrades, and testing IMS network nodes (CSCF, SBG, MTAS and HSS) all of them native and virtualized.
•At the end of each integration deliver an ATP for customer technical support directly to the customer to modify, test new features and rules in the IMS laboratory.
•Call traces testing in products to figure the correct messages flow during call and different scenarios. Using Wireshark, NetScout to read traces.
•Work with Modem to test calls VoIP validating scenarios with new upgrades.
NDS (Network Deployment Services)
Integration Engineer 2016 - 2017
•Responsible to conversion of Radios (RRU12-32) Ericsson to LTE (700, AWS, PCS), Troubleshooting related with high RSSI, VSWR issues on Verizon Network.
Scripting SIU/TCU RLAM México Telcel
Scripting Engineer 2016 - 2017
•Responsible to create scripts of SIU/TCU to modernization of node of Telcel's network. Worked on Process Automation to reduce execution times on scripts from 4 hours to 1.50 hours. (PCI tool & Macro Excel tool).
Integration RLM Brazil TIM, VIVO, CLARO
Integration Engineer 2016 - 2017
•Responsible to integrate new nodes, expansion, and load license to customer networks (TIM, VIVO, CLARO).
GNOC (Global Network Operation Center)
1st. Level Operations. 2015 - 2016
•Responsible for coordinating, support, management, and execution of 1st Level maintenance activities to ensure the services provided to customers are continuously available.
EDUCATION
Instituto Politécnico Nacional Mexico
Electronics and Communications Engineer, Electronics and Communications 2010 - 2015
TRAINING
●Nokia Bell Labs 5G Foundation BL00100-K-0220
●Understanding 5G: The Next Evolution in Wireless
●5G for everyone by Qualcomm Wireless Academy
●Introduction to Cloud Networking Solutions by Juniper Networks
●5G Architecture, Design, Protocols, Evolution & Deployment
●5G Masterclass: Architecture, NR RAN, Core and Call Flows!
●5G Core - Architectures, Concepts and Call Flows
●Intel Telco Cloud Technologies
LANGUAGE SKILLS
•English(Fluent), Spanish(Mother Language), Portuguese(Basic)
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