Armando Martinez Email and Phone Number

•Support end-to-end production network and solutions design review, validation, testing, and operations acceptance for new or expanded nodes/platforms and services across Voice, Data, Messaging, and Mobile Internet networks.•Perform diagnostic investigations into complex network issues impacting customers, identifying and resolving root causes.•Provide technical leadership, guidance, and advice to engineers involved in diagnosing, troubleshooting, testing, and operating the network.•Evaluate and report on design, reliability, and maintenance issues to relevant design or vendor organizations, recommending improvements to enhance customer experience and long-term service reliability.•Conduct expert-level diagnostic investigations of customer-impacting network issues using professional concepts.•Identify technical development opportunities for engineers, developing and implementing technical training programs as necessary. •Analyze design, reliability, and maintenance issues, providing improvement recommendations to relevant vendor organizations.•Serve as the primary interface between our client and vendors for technical escalation and problem management related to production network issues and system solutions for end-users.•Proficient in Microsoft services and working knowledge of Service Now (SNOW).

• Manage Verizon’s texting platform for all upgrades, daily operations, system and performance improvements.• Fulfill upgrades through different vendors(Nokia/ALU) for SMSC's (internal), BMC (alerts), LSGW (international), and SMPP-GW (inter-carrier/external) services.• Assisted in the transition from physical and legacy hardware to virtual SMSC's (Verizon Cloud Platform).• Direct point of contact for network teams via Remedy ticketing system for single user or large scale network outages.• Ability to handle multiple priorities simultaneously and follow established guidelines.• Organizational skills and the ability to work in a high-pressure, changing environment.• Performed daily ‘health checks’ on our internal systems – verifying correct IPs, and connectivity.• Proficient in IPv4 and IPv6 configurations.

•Subject Matter Expert in Messaging (SMS/MMS) and Prepay/Usage Controls services.•Provided a means to ensure that knowledge is retained and propagated within the department as a trainer.•Engaged technicians/contactors as a mentor to promote progress and success within the team.•Worked on wireless voice/data network; troubleshoot/resolve service impairments in roaming, transport services, network hardware & software faults and translations.•Managed projects related to efficiency and cost cutting measures. Provided testing, documentation and financial data related to incoming tools.•Working knowledge of data network elements and protocols including: TCP/IP, MPLS, ISDN, SS7, and other LAN/WAN protocols.•Proficient in RAN, 3GPP, CDMA/3G, EPC, VoLTE/4G calling, 5G, VoNR, and GSM global network architecture.•Covered end-to-end analysis of VoLTE/IMS path: P-CSCF, I-CSCF, S-CSCF, E-CSCF, SBC, ENUM, HSS, SCC AS, TAS, MRF, MGCF/MGW, BGCF, 3G MSC/MGCF, SIP, SDP, RTP.•Monitoring/tracing network activities, System Performance, and Provisioning.•Proficient in Wireshark, IrisView, NetScout, and JIRA.

• Correlate customer complaints with network element performance to resolve service impacting conditions; driving troubles to resolution by engaging internal and external resources; providing accurate and timely documentation of actions (RCA).• Troubleshoot and resolve service impairments related to roaming (domestic and international), transport services (LEC, Long distance), network hardware & software faults (both switch and cell), translations, and voice and data network elements.• Knowledge of Lucent (ECP, 5ESS, OMP), Nortel (BSC, BTS), Compaq HLRs, and Motorola (EMX, CBSC) database.• Proficient in analyzing and interpreting of complex voice and data platform messages (ROP, CFC, HEH, etc.)• Perform troubleshooting on various problem types including general broadband access, RF signal issues, MMS, Mobile Web, V-Cast, SMS, International Roaming, Domestic Roaming, LTE related issues.• Worked with the ‘Device Testing’ team to troubleshoot issues and ensure quality assurance.• Remained current on solutions and engaged in testing/troubleshooting Wholesale/Telematics• Work together with other Verizon agencies (Customer Care/NOC) and Vendors to identify and resolve customer’s telecom issues.• Investigated and isolated network troubles reported by Verizon customers using our network tools.