Nicolas Zerrate

Experience

• 

  Hialeah Meter Company

  Jul 2012 - Aug 2013

  Technical Support Engineer

  - Troubleshoot analog and solid-state electric meter deficiencies. - Program General Electric, Itron, and ABB smart meters for solar, power quality, and remote metering applications. - Analyze photovoltaic wiring diagrams to advise customers on how to wire bi-directional energy flow meters. - Instruct customers on how to wire self-contained and instrument transformer type meters. - Guide contractors and electric distributors on selecting low voltage (below 600V) and current transformers per end user's technical specifications. - Develop Hialeah Meter Company Android mobile application using Eclipse Software. Show less

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  Florida International University

  Aug 2012 - Apr 2013

  Intelligent Parking System, Senior Design Project

  - Test and Analyze ultrasonic sensors to improve the system's performance. - Design 5 Volt power supply to feed Arduino controllers through USB output.- Apply circuit and communications theory to develop hardware model.

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  Itron

  May 2014 - Oct 2017

  Technical Consultant

  • Proficient with Itron's Enterprise Edition (Meter Data Management) technology.• Expertise in mitigation/optimization of 2+ million Smart Meters using IPv6 RF Mesh Network technology.• Experience with MapInfo Software and MapBasic programming language to develop GIS analytical tools.• Support 8+ field engineers to identify Mesh Network gaps for Range Extender installation. • Familiarity with Ruby scripting language to keep database schemas up to date.• Develop PostgreSQL database replica for 3+ network analysts.• Generate 10+ reports for Itron management to advice in key business decisions. • Build 3+ Tableau Dashboards to maintain Itron’s deployment team informed of meter saturation/optimization levels. • Define and maintain system standards, reliability, and performance requirements for customer and Itron production operations. Show less

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  NextEra Energy, Inc.

  Oct 2017 - now

  IT Technology Leader

  NACHA Compliance Project• Delivered solution that validated bank account & routing number combinations to reduce returned transactions• Led team of 5+ developers to deliver end-to-end solution using Amazon Web Services• Architected system for optimal API performance and cost effectiveness• Supervised the implementation of AWS components from development to user-acceptance to go-live • Streamlined the creation and migration of AWS infrastructure with the use of CloudFormation• Developed back-end services using lambda functions, API Gateway, SQS, secrets manager, RDS, and S3• Rotated RDS secrets on a quarterly basis with the use of Secrets Manager and Lambda• Collaborated in the setup of CICD pipeline to ensure proper code versioning and quality standards • Implemented APIGEE proxy for enhanced API security and reusability• Architected and tuned database schema for optimal performance• Integrated external vendor bank account validation API within LambdaIEE Mass Market Replacement & Behind the Meter Projects• Delivered solution that collected residential metering reading data to be used for billing purposes in CIS• Finalized solution that calculated residential EV charger consumption for billing purposes • Forecasted savings of ~447k per year to the business unit• Architected and tuned database schema for optimal performance • Developed back-end services using lambda functions, API Gateway, SQS, secrets manager, RDS, and S3• Developed billing calculation stored procedures using PostgreSQLPower Billing Replacement• Customized IEE software according to FPL’s business process and strategy• Led a team of 5+ support engineers to import FPL’s 4,000+ largest commercial and industrial accounts in IEE• Trained a team of 10+ support engineers on the use of IEE application • Supervised Disaster Recover exercises for IEE application• Upgraded IEE application from v8.2 to v9.0• Developed ABE Custom Billing Validations using SQL Server Show less