Daniel Díaz Rosario
Email: ********@*****.***
Mobil: 787-***-****
Address: #*** * ******. ***** ****, Aguadilla, PR 00604
• LinkedIn: www.linkedin.com/in/DanielDiazRosario
Professional Summary
Results-driven Telecommunications and IT Engineering professional with over 10 years of experience in fiber optic network design, BOM creation, and large-scale data analysis. Skilled in engineering design evaluations, financial analysis, and managing long-term IT/telecom projects within budget and schedule constraints. Adept at implementing policies and controls to ensure data accuracy, security, and regulatory compliance. Recognized for optimizing processes, reducing costs, and delivering high-quality technical solutions in fast-paced environments.
Core Skills
• Bill of Materials (BOM) creation & management
• Data mining & large dataset analysis
• Engineering design evaluation & project planning
• ArcGIS®, AutoCAD®, Adobe Acrobat Pro®
• Fiber optic OSP/ISP provisioning & splicing documentation
• Regulatory compliance & safety standards (OSHA)
• Financial analysis & cost estimation
• Process optimization & workflow automation
Professional Experience:
Liberty Communications of Puerto Rico – Nov. 2022 to Sept. 2025 Fiber Optic Network Designer
• Developed High-Level Walkout (HLWO) designs and high-level drafting for permit submissions, integrating ArcGIS®, AutoCAD®, and Adobe Acrobat Pro®.
• Created BOMs, pole attachment attribute tables, and FAT/route layers with labeling for ducts, poles, strand, distances, coordinates, and boundaries.
• Conducted remote HLWO inspections using Mapillary®, Google Earth Pro®, and satellite imagery to simulate walkouts and assess potential routes.
• Designed pole permits and UG/AE or hybrid construction plans, producing preliminary layouts, splice tables, and ArcGIS map packages (MPK).
• Created Fiber Optical Splice Documentation in Excel to plan tie points and FDH locations, ensuring alignment with OTN/OLT requirements.
Construction Project Inspector
Liberty Communications of Puerto Rico – Nov 2021 to Dec 2022
• Monitored and reported on all phases of residential and commercial OSP construction, ensuring compliance with SOPs, design specifications, and regulations.
• Conducted pre-construction job walks with business customer representatives.
• Prepared job cost estimates and developed BOMs for aerial and underground projects.
• Performed field inspections to verify invoice accuracy, material usage, and adherence to Liberty’s specifications.
• Process Optimization Initiative (2019–2021): implemented AutoCAD presets to optimize layer management, reducing map preparation time from 2 hours to 10 minutes, cutting costs in printing, travel, and maintenance.
CLARO – 2015 to 2021
Central Office Technician (ISP/OSP Provisioning) & Field Inspector
• Repaired, installed, and spliced copper cable for telephony services.
• Inspected and supervised fiber optic projects, ensuring compliance with technical standards.
• Managed migration and provisioning of ports/channels for VoIP equipment.
• Operated and maintained equipment in Central Offices, Remote Offices, IP cabinets, and VRAD cabinets.
Education
• High School Diploma
• Interamerican University – 87 credits completed toward undergraduate degree Languages
• Spanish (Native)
• English (Fluent)
Certifications & Additional Skills
• Fiber Optic Installation and Mobile Device Repair – Inttelmex S.C., México D.F. (2015)
• Installation and advanced configuration of Schneider Electric Conext 48VDC inverters
• BMW E-Series and Mini Cooper coding via OBDII using INSTA-D / Bimmer mobile apps Additional Information
• Fully mobile and available for relocation. Own a recreational vehicle (RV) to facilitate efficient travel and on-site accommodation for long-distance or multi-location projects, ensuring rapid deployment and operational flexibility.