Walter Diaz Molina

LOW-VOLTAGE & SECURITY SYSTEMS

Lead field Operations: Directing specialized crews in the installation and maintenance of advanced fire alarm and integrated security technologies.

• Safety & Compliance: Developing and enforcing Job Hazard Analysis (JHA) and safety protocols to ensure 100% compliance with field regulations and zero-incident operations.
• Systems Expertise: Executing full-cycle installation, programming, and troubleshooting for Edwards IO1000 & Potter fire alarm platforms.
• Infrastructure Management: Supervising the deployment of complex security ecosystems, including:
  Access Control & Surveillance: IP Cameras, vehicle barriers, and biometric access systems.
  Perimeter Security: Installation and energizing of electrified fencing.
• Project Leadership: Managing the technical scope of work (SOW) to ensure projects are delivered on time and meet rigorous quality standards.

Tower Foreman with extensive experience leading crews in the construction, installation, and maintenance of telecommunications infrastructure under strict OSHA, ANSI, and NATE standards. Expertise in overseeing structural modifications, antenna/line mounting, and fiber optics while ensuring field safety through rigorous tailgate meetings and PPE compliance. Proven track record in managing site logistics, high-quality closeout documentation, and acting as a key liaison between clients and upper management to deliver projects on time and within budget.

• Crew Leadership & Safety Management: Directed high-performance field crews through complex Scope of Work (SOW) execution, prioritizing Job Hazard Analysis (JHA) and rigorous safety protocols for high-altitude operations.
• RF & Structural Installation: Supervised the precise installation of steel booms and integrated RF systems, ensuring structural alignment and equipment integrity according to engineering blueprints.
• Advanced Equipment Commissioning: Executed the installation and configuration of ECN6160 and B160 enclosures, managing power and connectivity requirements for site integration.
• Technical Validation & Testing:
• Performed Sector-by-Sector Match Testing and Swift Tests to ensure optimal signal performance and network synchronization.
• Utilized OTDR and Fiber Testers for comprehensive fiber characterization and troubleshooting.
• Conducted precision antenna alignment using 3Z alignment tools to meet strict azimuth and tilt specifications.
• Digital Closeouts & Quality Control:
• Managed site documentation via TalonView and Scope images, ensuring 100% accuracy in virtual audits.
• Reviewed and finalized Closeout Packages (COP), guaranteeing that all installations met carrier-grade quality standards.
• Adaptability: Successfully integrated new technologies and adapted to evolving industry challenges to maintain project timelines and site reliability.

Technical Toolset

• Platforms: TalonView, Digital Closeout Portals, Scope Imaging.
• Hardware: ECN6160 / B160 Cabinets, Steel Booms, RF Components.
• Testing Gear: 3Z Antenna Aligner, OTDR, Fiber Tester, Swift Test, PIM/Sweep gear.
• Documentation: SOW, JHA, Site Audit Reports.

Field Supervisor Operations (FSO) | Ericsson Modernization & Recovery

Ericsson Projects (Claro & Tigo/Millicom) | Honduras.

• Network Modernization & Deployment: Supervised the installation and full-cycle commissioning of 3G, 4G, LTE, and 5G (TDD/FDD) technologies, ensuring all site parameters and features met Ericsson’s global quality standards.
• System Integration & Commissioning: * Managed Scratch Load procedures and parameter configurations for new site integrations.
• Expertise in Baseband technology, including BB5212, 5216, and 6630 units.
• Transmission & Routing: * Oversaw the deployment and commissioning of Transmission SIU and high-capacity routers, specifically Router 6471/1.
• Managed microwave links utilizing Mini-Link 6000 (6k) series for backhaul connectivity.
• Advanced Troubleshooting: * Diagnosed and resolved critical faults in 3G/4G/5G radio equipment and transmission systems (SIU/Routers).
• Reduced site downtime by performing deep-dive analysis of hardware and software alarms during the recovery and modernization phases.
• Field Supervision: Coordinated field teams to ensure compliance with technical specifications, safety protocols, and project timelines for major carriers in the region (Claro & Millicom).

Technical Skills (To add to your "Skills" section)

• Ericsson Hardware: Baseband 6630/5216/5212, Router 6471/1, Mini-Link 6000, SIU.
• Technologies: 5G NR (TDD/FDD), LTE Advanced, 4G, 3G, Transmission.
• Processes: Scratch Loading, Site Commissioning, Feature Activation, Parameter Tuning.
• Field Ops: Troubleshooting, Site Recovery, Modernization Projects, Team Leadership.

Field Supervisor Operational (FSO) – Network Recovery & Modernization

Ericsson Projects (International) | Bahamas.

• International Infrastructure Recovery: Deployed to Grand Bahama for the BTC Network Recovery project, leading field efforts to restore critical communication services following disaster scenarios.
• Network Modernization: Supervised the installation and end-to-end commissioning of 3G, 4G, and LTE (TDD/FDD) radio networks for major carriers (BTC & Claro).
• Systems Integration: Managed the configuration and integration of Baseband units (BB5212, BB5216, BB6630) and Router 6471/1 systems, ensuring seamless site handover.
• Transmission Expertise: Executed backhaul solutions and microwave link alignments utilizing Ericsson Mini-Link TN technology.
• Advanced Troubleshooting: Resolved complex hardware and transmission faults, performing deep-dive diagnostics on radio equipment and IP routers to minimize network downtime during critical recovery phases.

Technical Expertise (Snapshot)

• Network Tech: 3G / 4G / LTE (TDD & FDD).
• Ericsson Hardware: Baseband 5212/5216/6630, Router 6471/1, Mini-Link TN.
• Core Skills: Site Commissioning, System Integration, Disaster Recovery, Troubleshooting, Field Team Leadership.

• Deployment Supervision: Directed the on-site installation and integration of high-capacity wireless infrastructure, ensuring 100% compliance with technical specifications and safety standards.
• Multi-Generation Commissioning: Executed full-cycle commissioning and configuration for 3G, 4G, and LTE mobile technologies, optimizing network performance for end-users.
• Transmission & Backhaul Management: Supervised the deployment of SIU (Site Integration Units) and transmission equipment to ensure stable and high-speed data backhaul.
• Advanced Technical Troubleshooting: * Conducted deep-dive diagnostics and resolution of hardware and software faults across 3G/4G radio systems.
  Expertise in troubleshooting Baseband Units (BB5212, 5216) and SIU transmission modules to minimize site downtime.
• Quality Assurance: Validated site installations through rigorous testing protocols, ensuring all equipment met carrier-grade performance KPIs.

 Large-Scale Infrastructure Management:Orchestrated field operations and maintenance for a regional zone encompassing 440 telecommunications sites, ensuring network stability and infrastructure integrity.

 Multidisciplinary Team Leadership: * Coordinated 13 specialized field crews, strategically divided into Preventive (8 crews) and Corrective (5 crews) maintenance units.

• Managed resource allocation and scheduling to meet demanding project timelines and technical requirements.

 Performance & Continuous Improvement: Implemented field supervision protocols focused on technical performance and workflow optimization, leading to a measurable increase in crew efficiency and response times.

 Quality & Safety Compliance: Conducted rigorous on-site audits to verify adherence to global quality standards and safety regulations, ensuring all field activities met carrier-grade specifications.

 Strategic Planning & KPI Management: * Programmed and tracked daily field activities based on aggressive Key Performance Indicators (KPIs) and project goals.

• Utilized data-driven reporting to monitor progress, mitigate risks, and ensure the successful delivery of maintenance cycles.

 Quality Standards Validation:Spearheaded the final inspection and technical validation of site installations, ensuring 100% adherence to global quality standards and carrier specifications before handover.

 Network Integration (2G/3G/4G):Supervised the successful Put-into-Service (PIS) and integration of multi-technology systems, specializing in the Ericsson RBS 6000 series.

 Operational Performance Verification:Conducted comprehensive end-to-end testing to verify that all technologies operated within predefined performance ranges and met strict network KPIs.

 Technical Troubleshooting & Optimization: * Identified and resolved critical hardware failures and configuration bottlenecks during the integration phase.

• Performed parameter adjustments and fine-tuning to ensure seamless site synchronization and optimal signal stability.

 Field Leadership: Coordinated with installation crews and remote integration centers (NOC) to streamline the deployment process and reduce site-to-air lead times.

 Technology Integration (2G/3G/4G):Spearheaded the Put-into-Service (PIS) and end-to-end integration of multi-technology systems, specializing in the Ericsson RBS 6000 series.

 Microwave & Transmission Excellence:Managed the installation, alignment, and commissioning of Mini-Link TN Microwave systems, ensuring robust backhaul connectivity and synchronized network transmission.

 Quality Standards Validation:Conducted rigorous technical audits to validate that all installations met global quality standards and carrier-specific requirements prior to site handover.

 Operational Performance Verification:Performed comprehensive testing to ensure all technologies operated within predefined performance ranges and met strict network KPIs.

 Advanced Troubleshooting & Optimization: * Identified and resolved critical hardware failuresand configuration bottlenecks during the integration phase.

• Executed parameter adjustments and fine-tuning to stabilize signal performance and resolve integration alarms.

 Technical Leadership: Coordinated between field crews and the Network Operations Center (NOC) to streamline the deployment lifecycle and reduce "Time-to-Market" for new site launches.

 Technology Integration (2G/3G/4G):Spearheaded the Put-into-Service (PIS) and end-to-end integration of multi-technology systems, specializing in the Ericsson RBS 6000 series.

 Microwave & Transmission Excellence:Managed the installation, alignment, and commissioning of Mini-Link TN Microwave systems, ensuring robust backhaul connectivity and synchronized network transmission.

 Quality Standards Validation:Conducted rigorous technical audits to validate that all installations met global quality standards and carrier-specific requirements prior to site handover.

 Operational Performance Verification:Performed comprehensive testing to ensure all technologies operated within predefined performance ranges and met strict network KPIs.

 Advanced Troubleshooting & Optimization: * Identified and resolved critical hardware failuresand configuration bottlenecks during the integration phase.

• Executed parameter adjustments and fine-tuning to stabilize signal performance and resolve integration alarms.

 Technical Leadership: Coordinated between field crews and the Network Operations Center (NOC) to streamline the deployment lifecycle and reduce "Time-to-Market" for new site launches.

 Technology Integration (2G/3G/4G):Spearheaded the Put-into-Service (PIS) and end-to-end integration of multi-technology systems, specializing in the Ericsson RBS 6000 series.

 Microwave & Transmission Excellence:Managed the installation, alignment, and commissioning of Mini-Link TN Microwave systems, ensuring robust backhaul connectivity and synchronized network transmission.

 Quality Standards Validation:Conducted rigorous technical audits to validate that all installations met global quality standards and carrier-specific requirements prior to site handover.

 Operational Performance Verification:Performed comprehensive testing to ensure all technologies operated within predefined performance ranges and met strict network KPIs.

 Advanced Troubleshooting & Optimization: * Identified and resolved critical hardware failuresand configuration bottlenecks during the integration phase.

• Executed parameter adjustments and fine-tuning to stabilize signal performance and resolve integration alarms.

 Technical Leadership: Coordinated between field crews and the Network Operations Center (NOC) to streamline the deployment lifecycle and reduce "Time-to-Market" for new site launches.

• End-to-End Site Integration: Spearheaded the Put-into-Service (PIS) and technical integration of multi-technology systems, specializing in the Ericsson RBS 6000 series (2G, 3G, and 4G/LTE).
• Transmission & Backhaul Management: Managed the installation and commissioning of SIU (Site Integration Units) to ensure seamless backhaul connectivity and network synchronization.
• Quality Standards Validation: Conducted rigorous technical audits to validate that all physical installations and equipment configurations met global quality standards and carrier-specific requirements.
• Performance Verification: Performed comprehensive testing to ensure all technologies operated within predefined performance ranges and met strict network KPIs.
• Technical Troubleshooting & Optimization: * Identified and resolved critical hardware failures and configuration bottlenecks during the integration phase.
• Executed parameter adjustments and fine-tuning to stabilize signal performance and resolve site alarms prior to handover.
• Operational Leadership: Coordinated between field crews and the Network Operations Center (NOC) to streamline the deployment lifecycle and ensure "Time-to-Air" targets were met.

• End-to-End Site Integration: Spearheaded the Put-into-Service (PIS) and technical integration of multi-technology systems, specializing in the Ericsson RBS 6000 series (2G, 3G, and 4G/LTE).
• Transmission & Backhaul Management: Managed the installation and commissioning of SIU (Site Integration Units) to ensure seamless backhaul connectivity and network synchronization.
• Quality Standards Validation: Conducted rigorous technical audits to validate that all physical installations and equipment configurations met global quality standards and carrier-specific requirements.
• Performance Verification: Performed comprehensive testing to ensure all technologies operated within predefined performance ranges and met strict network KPIs.
• Technical Troubleshooting & Optimization: * Identified and resolved critical hardware failures and configuration bottlenecks during the integration phase.
• Executed parameter adjustments and fine-tuning to stabilize signal performance and resolve site alarms prior to handover.
• Operational Leadership: Coordinated between field crews and the Network Operations Center (NOC) to streamline the deployment lifecycle and ensure "Time-to-Air" targets were met.

Supervisor Integrador Test de
RBS6000 minilink TN and SIU

Supervisor Integrador Test de
RBS6000 minilink TN and SIU

Telecommunications technician and
Member of the Commission of
RBS Family 2000 Acceptance
Ericsson-Siemens