Ofelia De Guzman Email and Phone Number
Ofelia De Guzman work email
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Ofelia De Guzman personal email
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Telecom Expert and Business Strategist with 20+ years of solid and diverse technical and leadership experience providing management and expertise in Voice, Data, Messaging/SMS/MMS/A2P, IP/LAN/WAN, Access/RAN, Mobile Core and Routing Infrastructure, Data Center, Satellite/Fiber/MW Transport, Wireless/Cellular 2G/3G/4G/5G and Wireline networks, Direct Interconnection/Peering, Roaming, and other Partnerships. Highly skilled technical professional with big picture vision with a strong drive for results. Interconnection and Peering Negotiation and Management with Wireless Carriers, LEC, IXC, IGF, Toll-free, N11, Roaming, Messaging NetworksDomestic and International Roaming Negotiation and ManagementVendor Partnerships and ManagementTraffic Data Analysis and VisualizationBusiness Development and Strategic PartnershipsCommercial agreements, contract negotiation and managementDirect Interconnection and Peering Design, Engineering, Implementation and ManagementInterconnection Trunk Group Capacity Management and OptimizationCall Routing, Switching and TranslationNetwork and Interconnect Performance Monitoring - KPI, utilization, statistics reportingTraffic Data Analysis and VisualizationCDR Management, Analysis, Validation and ReconciliationBilling, Reconciliation, Settlement and Dispute ResolutionTrouble Isolation and ResolutionVoice Quality AssuranceMessaging Services Support - SMS, MMS, A2P, RCSRoaming Technical SupportData Center and Transport Sourcing, Provisioning and Capacity Management (Satellite, Microwave, Fiber Optic)IT and Telecommunications ConsultancyWireless and Wireline Network Engineering and OperationProject ManagementProduct DevelopmentNumber ManagementSatellite Frequency ManagementNetwork planning, design, implementation and integrationCustomer-specific network design based on customized requirementsNetwork Operation and Management - PSTN, PSDN, Satellite Communications Systems, Voice networks, Data networks, IP-based networks/LAN/WAN, RAN, Core, Transmission systems, Mobile Networks (AMPS, D-AMPS, 2G, 3G, 4G/LTE, 5G), Messaging (SMS, MMS, A2P) and VASNOC Management, Incident Management, Root Cause Analysis, and Change ManagementTelecom system installation, testing, acceptance, monitoring, maintenance, support, optimizationResearch new technologies, products and systems for possible integration to existing networksTechnical Support to Marketing and Sales, Finance, IT teams, NOC, Customer ServiceRF design and optimizationProcess Improvement, Documentation (network architecture, IP mapping), Trainings
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Interconnect Engineer Ii - Wireless Network EngineeringDish NetworkLittleton, Co, Us -
Interconnection/Peering/Roaming/Messaging - Wireless Network EngineeringBoost Mobile Oct 2022 - Oct 2024Littleton, Colorado, Us -
Project Manager/Technical ConsultantFreelance May 2018 - Oct 2022* Directed and led teams of engineers in managing projects related to IT and telecommunications for private and government clients* Led new project initiatives* Tracked and managed project budget, timelines, and resources * Conveyed project objectives clearly and effectively to the team to ensure clear understanding and direction* Fostered teamwork and cross-functional collaboration* Adapted and adjusted strategies to meet changing project demands to ensure timely delivery of results* Overcame project hurdles by devising strategies that balance time constraints with quality outcomes* Presented weekly updates to stakeholders* Mentored colleagues to foster growth and development* Maintained positive relationships with team members, vendors and clients which led to the success of all projects.Accomplishments: * Successfully executed and completed major IT and telecommunications projects from planning and execution to delivery and evaluation for private and government clients, on-time and within budget* Empowered start-up businesses by building IT systems and solutions to address their requirements* Trained young IT and Telecom professionals to become well informed and eventually experts in their fields
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Senior Noc Specialist - Network Operations CenterFreedom Mobile Sep 2012 - Apr 2018Toronto, Ontario, CaOperated and maintained the Canada-wide 4G/LTE network.Accomplishments: * Improved processes, procedures and tools that increased productivity and satisfaction level of NOC personnel* Recommended allocation of resources to address manpower shortage while waiting for hiring of manpower replacements* Designed training modules that improved technical knowledge and problem-solving skills for NOC* Provided mentoring to NOC personnel struggling to adapt to the challenging environment in the NOC* Acted as go-to person to manage conflicts and assisted in conflict resolution to foster positive relationships* Acted as spokesperson in the escalation of concerns to management properly conveying the ideas and target positive outcomes of the requests that are mutually beneficial* Recommended team-building strategies to foster teamwork* Cut-down dispatch and overtime costs of field technicians for issues or outages that can be addressed remotely by the NOC providing savings for the company -
Visiting EngineerOntario Science Centre Oct 2011 - Dec 2011Toronto, On, CaVolunteer Service as a Visiting Engineer with the Science & Technology Challenge Program Engineering Workshops offered in partnership with Big Brothers Big Sisters of Toronto Accomplishment: * Provided support to champion the health and wellbeing of youth with childhood trauma, give every child a chance to reach their full potential. -
Strategic Business Unit Head (Acting Vp), Carrier Business// Senior Manager - Carrier RelationsIsla Communications Co., Inc. (Now Globe Telecom) Nov 1996 - Mar 2001Started as Senior Manager of Carrier Relations then promoted to become Strategic Business Unit Head of Carrier Business. * Led a team of competent managers and engineers to implement ISLACOM’s GSM, LEC/IXC, IGF, SMS/MMS carrier strategies and interconnections and roaming initiatives to support business objectives.* Handled settlement, reconciliation and dispute resolution related to interconnection and roaming. * Sourced and negotiated transport requirements.Accomplishments: * Negotiated the significant reduction in the settlement payout with incumbent operator by 30-40% through effective negotiation and communication* Expanded direct interconnections with other mobile, LEC, IXC IGF operators nationwide and world-wide* Increased the number of direct international roaming partners* Collaborated with cross-functional teams and improved processes* Represented the company in forums and joint programs for best-practice service delivery and supported government initiatives
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Manager - Telco Relations DepartmentExpress Telecommunications Co., Inc. (Express Telecom) Aug 1995 - Oct 1996* Led the interconnection growth and expansion plans and all the interconnection negotiations with multiple national operators/carriers.* Designed the optimal call traffic routing to optimize revenue and minimize settlement cost.* Performed interconnect facility capacity planning and management.Accomplishments:* Implemented multiple POIs across the country with the dominant operator and the direct interconnection with other mobile and LEC/IXC operators. * Optimized the use of the assigned Number Range for the entire network.* Represented the company in forums and joint programs with the government and the telecom sector for a unified and best-practice delivery of services to the customers.
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Lead Systems Engineer- Network Planning & Design, Switch Engineering, & InterconnectionExpress Telecommunications Co., Inc. (Express Telecom) Jul 1994 - Aug 1995Offered by the Engineering Department Manager to join the team of the engineers planning and designing the first mobile network in the Philippines, expanding the AMPS network to deliver services to customers throughout the country, * Performed site selection, RF design, frequency management, capacity analysis, expansion implementation, microwave planning, and end-to-end performance management.* Engineered switch routing and translations.* Negotiated and engineered interconnection with other operators/carriers. Accomplishments:* Executed effective negotiation strategies and open communication that brought EXTELCOM to become the first ever telecom company to have multiple POIs with the dominant operator and also the first telecom company who was able to renegotiate an entirely new Interconnect Agreement with the same operator using a contract format I personally prepared.* Fostered great camaraderie with the telecommunications sector and the government agencies that resulted to success in the delivery of all projects.
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Switch Engineer - Operations DepartmentExpress Telecommunications Co., Inc. (Express Telecom) Jul 1993 - Jul 1994Recruited as the first and only lady engineer to join the Operation and Maintenance Switch Team of EXTELCOM’s AMPS cellular network.* Operated and maintained the nationwide AMPS cellular network. * Coordinated with field engineers in the activation of cell sites.* Updated and optimized switching, routing and translation databases.* Performed problem isolation, troubleshooting and restoration of outages* Implemented upgrades and expansion of interconnect facilities with other carriers.Accomplishments:* Improved the processes in the Switch Operations Department for efficiency and cost effectiveness and documented the same for reference.* Implemented a clean up of the switch database and translations to ensure proper routes of calls and call definitions to optimized revenues.* Fixed and cleaned-up the equipment and wiring and marked/labeled them for ease of identification during troubleshooting to optimize productivity.
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Senior Systems Engineer - Network EngineeringInternational Communications Co., Inc. (Now Bayantel) Dec 1992 - Jul 1993Quezon City, Ph* Engineered and designed the satellite-based network expansion and provided solutions to customer requirementsAccomplishments:* Led the team of technical leaders in the selection of a Packet Switched Data Network including it’s Network Management System (NMS) and managed the project implementation.* Led the network expansion programs and designed the customer requirements.* Managed and optimized satellite frequency use and distribution; evaluated and approved new products or systems for integration into the existing network* Developed methods and processes for system testing and acceptance * Developed training documents and programs used by different technical teams and clients. -
Systems Engineer Ii - Engineering And OperationsInternational Communications Co., Inc. (Now Bayantel) Dec 1990 - Dec 1992Quezon City, PhRecruited as the first female engineer by this start-up telecommunications company, a pioneer team player and contributor.* Engineered, designed, installed, operated and maintained satellite-based communications systems providing voice and data services across the country.Accomplishments:* As a start-up company, I took on the challenge to perform the non-technical functions of ordering equipment, opening letter of credit, equipment importation, release of the equipment from customs, hauling, warehousing, securing licenses and permits and other logistics functions.* Created a process flow of the different non-technical processes performed and trained the newly created teams to take on the function smoothly and effectively.* Engineered and designed the nationwide satellite network of the company.* Installed the company's first and only Satellite Communications Hub with a 25-m satellite dish.* Installed the first high-capacity microwave link from the hub to the main distribution office in the city.* Coordinated the activation and optimization of the remote stations.* Promoted to a more senior role and a key player in the development and growth of the first Operations and Maintenance Team at the Hub.
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Systems Engineer - PsdnPt&T Mar 1989 - Dec 1990Makati, Metro Manila, PhRecruited as the first and only female engineer hired to join the all-male team handling operations and maintenance of PT&T's Packet-Switched Data Network.* Operated and maintained the nationwide Packet Switched Data Network.* Performed field work to repair and resolve network and customer outages and issues.
Ofelia De Guzman Skills
Ofelia De Guzman Education Details
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University Of Santo TomasManagement Engineering -
University Of Santo TomasElectronics And Communications Engineering
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Everest CollegeNetwork Administration
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Ama UniversityNetwork Administration
Frequently Asked Questions about Ofelia De Guzman
What company does Ofelia De Guzman work for?
Ofelia De Guzman works for Dish Network
What is Ofelia De Guzman's role at the current company?
Ofelia De Guzman's current role is Interconnect Engineer II - Wireless Network Engineering.
What is Ofelia De Guzman's email address?
Ofelia De Guzman's email address is of****@****ail.com
What schools did Ofelia De Guzman attend?
Ofelia De Guzman attended University Of Santo Tomas, University Of Santo Tomas, Everest College, Ama University.
What are some of Ofelia De Guzman's interests?
Ofelia De Guzman has interest in Social Services, Children, Education, Environment, Science And Technology, Arts And Culture.
What skills is Ofelia De Guzman known for?
Ofelia De Guzman has skills like Telecommunications, Lte, 3g, Gsm, Voip, Network Administration, Customer Service, Dhcp, Dns, Cdma, Wireless, Networking.
Who are Ofelia De Guzman's colleagues?
Ofelia De Guzman's colleagues are Danny Diaz, Christopher Leslie, Shawn Alsanders, Altamish Makki..9871682588, Steven Mcdaniel, Lily Norasith, Shashank Reddy Byru.
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