David Alberto Q.

Experience

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  SEGOB

  Mar 2012 - Sept 2012

  Social Service Worker

  SQL query, PL/SQL procedure development, error detection and correction whithin organization ERP for an evaluation system for the public servers, all this procedures were performed by paperwork and in person. The main objective was to migrate this procedures to an IT system using GUI's and querying the organization data base, consulting with the area managers, retrieving requirements and caracteristics of the procedurePL/SQL, SQL, Java J2EE, JSPs development, encryption, EBS reports & forms, SIRNO, support to different activities whithin E - Business Suite system System development Show less

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  Ericsson

  Jul 2013 - Nov 2020

  Leaded an initiative for a new team dedicated to manage the first response to field personnel so they can get correct pre-checks for their sites as soon as they request support. This team was set up due to the heavy workloads and the check-in time difference between field personnel and remote integration engineers. Trained some colleagues, from Mexico and from India, to understand the process and also in integration and troubleshooting matters for the Ericsson equipment. Managed the team to elaborate a process document for whomever is assigned to the team so they can get a base training and document to start. Show less Helped the team to train an eight graduate engineer group within a week timeframe. Providing them with all the basis and foundations for the work within the integration team.Integration first POC for all the implementation managers for all west coast markets for VzW integration activities, balancing the workload within the team and managing the issues on demand as IMs and PMs requested. Set up a couple of improvements based on IMs feedback regarding the activity reports coming from the maintenance window team.Changed to night shift to help to lead the MW team and manage the SoCal market workload for the 5G readiness project (up to 90 activities per night), reducing effectively the incidents related to integration activities. The latter by helping the engineers to understand the information displayed and audited by the leads so they can fix the issues before concluding their activities. Show less Trained and lead a four recent hired engineers team to integrate this new SM6701 equipment for 5G on CAR/TN VzW market. Helped the engineers to understand some concepts of remote integration giving them the foundations for the daily work. At the end of this assignment one of these engineers, a graduate, was appointed with the SM6701 project responsibility and until now he has had an outstanding performance within the team.Also helped, when required, the VzW maintenance window integration team with workload of all projects handled (baseband migration, 5G readiness) Show less POC for all implementation managers and project managers on all three markets. Manged the workload between four engineers for all the activities carried out during day time (+15), supported the FL and GA/AL market 5G initial deployment, integrating and troubleshooting issues that were new to the team with this technology. Helped the team and new members to understand some subjects related to physical equipment with the experience and knowledge gathered on previous assignments. I was removed from this assignment since I volunteered to help out on night shift where work load was increasing due the baseband migration project and 5G readiness project. Show less Remote supervision of field installation teams, technical guidance for personnel on field about correct installation of Ericsson RBS6000 series and other type of cabinets according to client standards and projects, site acceptance and delivery to customer along with documentation related to physical installation. RRU, fiber optics, DC cable for tower equipment, floor equipment, alarm configuration, new equipment installation, site surveys and site id. Pro activity to enhance processes and communications in order to reduce delivery time, enhance engineering manuals, always trying to teach and seeking the comprehension of the reasons for installing equipment in a determinate way by the personnel on field so they can install correctly, using macros and sharing with the team for the elaboration of site inventories, proposing new fields on where the remote supervision can enter.Assigned to a pilot team to merge remote supervision and implementation coordination activities. Managed the sites rollout e2e, from the feasibility to execute, to the handover to customer once site is complete. Equipment and HW management, engineering survey corrections, installation supervision, access management, issues troubleshooting on the deployment side, crew management. Show less Software upgrade for Alcatel-Lucent eNB’s on all Sprint markets across U.S. achieving along with the team the fastest rollout on software within the Sprint network. Upgrading up to 90 nodes in one nigth following the proper method of procedure. Pre/Post-checks, template distribution, snapshots, sw download and troubleshooting.Samsung LTE eNB's software update to version 5.0.4 for Sprint. Samsung 2nd carrier growth on Clearwire eNB's. Troubleshooting.ALU CDMA software upgrade through SUA tool. Show less Within this time frame I was involved mostly on the Wireless WAN project and supporting the Voice and Coverage team on heavy work loads. My major achievement within WWAN project was to take the lead of the project to improve the ways of working, encouraging the team to call customers and put a little extra on the delivery by clearing our part of the network and pointing the customers in the right way to solve their issues with service, to organize meetings in order to correct the team path and align all members, also organize documentation and knowledge sharing tools. We kept the OPI's within the 90% of success, with the minimum of escalations, i.e. one by year. At the end of my term on this team I was formally appointed as a team leader. Despite the little time frame with the formal appointment I've performed the leader activities since the beginning, the formal appointment helped me to influence on team evaluation matters and new knowledge sharing tools organization. Show less Lead a 50 people team, operating 24/7; troubleshooting the RAN side of the Sprint network for final users complains focused on the SLA achievement, attending Sprint's customer escalations in order to resolve chronic issues and infrastructure issues.Detailed achievements: - Reached and maintained 10 of 10 OPI's above the 90% for 7 months, independently of the troubleshooting, process changes and the new team members training. Corrected the OPI failing tendency by implementing new ways of working within the team, helping the team members to understand how to implement this new practices and the benefits of them. - Coached co-workers in technical subjects and knowledge sharing. -- Organize study groups for matters of certification, working with the group to achieve a high quality knowledge and guarantee the certification. -- Coached the team members on how to use the RF, call records and all necessary tools to correlate and find the root cause of a final customer problem. Show less Push the resolution of final user's service impacting problems on the RAN and Core sides of the Sprint cellular network, handle the troubleshooting procedures of the service impact RAN problems of my own team and teams of other areas, communicate with the other tiers and teams in order to solve the network service impacting problems within the SLA.Detailed achievements: - Detected the process flaws regarding the network events and its service impact. Helped the team technical manager to change the process in order to improve the SLA & OPI’s. - Enhance the team outgoing communication. Helped the team to correlate the network ongoing investigations with the customer issues by communicating with the investigations responsible. - Educated the team on NOC structure and operation. By communicating with other teams and tiers, I understood the NOC structure related to the RAN part of the network and by these meanings helped the team to understand the other teams processes, enhancing the team pro activity and efficiency related to the problem management. Show less

  • VzW front desk team lead

    Apr 2020 - Nov 2020

  • Market lead daytime/MW SoCal, NoCal & PNW lead for VzW Integration

    Jan 2020 - Apr 2020

  • Integration engineer for 5G SM6701 on maintenance window for VzW

    Nov 2019 - Jan 2020

  • Market lead CAR/TN, FL, GA/AL for VzW integration

    Feb 2019 - Nov 2019

  • Remote Supervisor and Implementation coordinator

    Jun 2017 - Feb 2019

  • GNOC Mexico Sprint Service & Resource Fullfilment - Applicator, EMS for Sprint

    Nov 2016 - Jun 2017

  • GNOC México CPM (Customer Problem Management) Voice & Coverage Tier II/ WWAN, EMS for Sprint

    Apr 2015 - Nov 2016

  • Team Lead GNOC México CPM T1 EMS for Sprint

    Sept 2014 - Apr 2015

  • GNOC Technician - Sprint Problem Management - CDMA/EVDO/LTE RAN

    Jul 2013 - Sept 2014
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  MobileComm Professionals, Inc

  Dec 2020 - Oct 2021

  T-Mobile NIC MCPS Integrator.

  Integration engineer for California markets for T-Mobile, Ericsson markets, GSM, UMTS, LTE and 5G integration and deployment. GSM radio swap from AIR21 to AIR32 antennas mixed mode with LTE, BSC reconfiguration. UMTS radio swap and SW upgrade, mixed mode with LTE. LTE & 5G B41 integration and call test on mixed mode within same baseband. Integration, scripting and installation troubleshooting along with field engineers. COP preparation to handover sites to T-Mobile.

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  Nexius

  Nov 2021 - Oct 2023

  XTAC support engineer

  Pre-integration and post-integration support for NR, LTE, UMTS and GSM troubleshooting, PIM, VSWR, fibers, RETs, external alarms, internal alarms, SCU config. Besides for AT&T, AREA preparation and troubleshooting, PILOT testing, MPILOT testing, radio swap. Capable to support up to four sites troubleshooting at the same time. Proper documentation for troubleshooting reports. RFDS, JSA, CD, CIQ and all site documentation interpretation to assist crews on any doubt. New engineers, induction, trainning and support. Show less

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  MobileComm Professionals, Inc

  Jan 2023 - Oct 2023

  PAG support engineer

  Basic trainning for integration for Nokia equipment. Support field teams to login to sites for any activity to be done, from battery install to full integration. Basic troubleshooting on physical alarms. Pre checks and post checks. NMS troubleshooting, radio software loading, E911 test support, MW health check.

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  Avaya

  Jan 2024 - Aug 2024

  Service Desk Technician

  Service Desk for CALA, Avaya, Mexico, Technical support. Resolve business partners and customer issues (break fix) through ticketing system (Siebel which is Avaya’s owned and Service Now), by consulting the knowledge base, AI tool, manuals, documentation and discussing solutions with colleagues, to offer a proper solution to the specific issue as quickly as possible. Handling from basic configurations issues to outages, opening the bridges and managing all the necessary teams and information to solve the outage. Escalating issues, properly documented, to superior technical tiers. Direct contact with business partners and customers. VMWare, Linux Red-Hat, SIP protocols, Wireshark Show less

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  LogicMonitor

  Aug 2024 - Aug 2024

  Technical Support Specialist