Summary
Overview
Work History
Education
Skills
Timeline
Generic

Nicholas Barrientos

Aurora

Summary

Experienced Electrical Design Lead with over 10 years in industrial control panel design, panel building, and UL 508A compliance. Expertise in developing electrical schematics, panel layouts, BOMs, and SCCR calculations. Led projects and mentored junior designers while delivering high-quality engineered solutions and ensuring successful UL inspections.

Overview

10
10
years of professional experience

Work History

Electrical Design Lead | UL 508A Compliance Lead

Machine Solution Providers, LLC
Downers Grove
06.2018 - Current
  • Execute electrical design projects in accordance with customer specifications, project requirements, and internal standards while supporting on-time delivery.
  • Develop complete electrical drawing packages, including single-line diagrams, schematics, and panel layouts, supporting the design and manufacture of custom industrial control systems.
  • Select and specify electrical components to meet project requirements, ensuring compatibility, reliability, and compliance with applicable standards.
  • Develop and maintain accurate bills of materials (BOMs), accounting for component availability, lead times, and project requirements to support manufacturing and on-time delivery.
  • Perform SCCR and panel rating calculations to ensure compliance with UL requirements and support safe, reliable control system designs.
  • Conduct internal UL compliance reviews prior to construction, approving drawings or providing corrective guidance to resolve code issues early, reducing rework and delays while contributing to a 100% UL inspection pass rate.
  • Support sales efforts by reviewing project quotations and providing technical input and recommendations during proposal development.
  • Mentor junior electrical designers by providing technical guidance and support in company design standards, drafting practices, and professional development.

Quality Control Technician

Machine Solution Providers, LLC
Downers Grove
06.2017 - 06.2018
  • Conducted final inspection and testing of industrial electrical control panels to ensure compliance with UL 508A, NEC, and internal quality standards.
  • Performed continuity testing, I/O checks, and functional verification of electrical systems prior to power-up and shipment.
  • Troubleshot live control panels (24VDC to 600VAC) using Fluke diagnostic equipment to identify and resolve electrical faults, ensuring operational safety.
  • Reviewed panel builds against electrical schematics, wiring diagrams, and project documentation to verify accuracy and workmanship.
  • Diagnosed and corrected electrical and component-related issues to support safe and reliable system operation.
  • Collaborated with engineering and manufacturing teams to address quality concerns, enhancing panel build consistency and compliance with standards.
  • Supported final panel preparation and inspection, ensuring shipment readiness for custom industrial control systems to meet delivery timelines.

Panel Builder /Wiring Technician

Machine Solution Providers, LLC
Downers Grove
06.2016 - 06.2017
  • Built and wired custom industrial control panels according to electrical schematics, layout drawings, and engineering specifications.
  • Installed and terminated electrical components including PLCs, VFDs, power supplies, relays, and terminal blocks.
  • Routed and organized panel wiring to meet company standards and support safe, serviceable panel construction.
  • Assisted with panel modifications, inter-panel wiring, and system integration activities to support testing and FATs (Factory Acceptance Tests).
  • Collaborated with engineering and manufacturing teams to resolve build issues and implement design updates.
  • Supported electrical testing and panel preparation prior to final inspection and shipment.

Education

Associate of Applied Science - Electrical/Electronic Automated Systems

Joliet Junior College
Joliet, IL
05-2021

Skills

  • UL 508A
  • NEC
  • SCCR Calculations
  • Control Panel Design
  • BOM Development
  • Electrical Troubleshooting
  • Schematics
  • Panel layouts
  • AutoCAD
  • EPLAN

Timeline

Electrical Design Lead | UL 508A Compliance Lead

Machine Solution Providers, LLC
06.2018 - Current

Quality Control Technician

Machine Solution Providers, LLC
06.2017 - 06.2018

Panel Builder /Wiring Technician

Machine Solution Providers, LLC
06.2016 - 06.2017

Associate of Applied Science - Electrical/Electronic Automated Systems

Joliet Junior College

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Adplatform<ul><li>Roles and Responsibilities</li><li>Hiring and team building</li><li>Managing team’s career progression and performance reviews</li><li>Managing Performance improvement plan and firing</li><li>Mentoring</li><li>Product roadmap planning and execution</li><li>Accountability of the entire delivery execution including the risk mitigation planning.</li><li>Stakeholder management</li><li>Adhering to Apple Privacy and Security Guidelines for platform</li><li>Design and implementation of new architectures and solutions to manage all online services for AdXchange in Apple Ads.</li><li>Design and implementation of new architectures and solutions deliver Budget experimentation in Apple Ads</li><li>Design and implementation of new architectures and solutions to manage data for Ad Platform.</li><li>Creating and maintaining all the data and analytics and revenue pipelines for Ad Platforms</li><li>Driving the solution for data ingestions and data processing across Ad platform</li><li>Defining the Strategy for data governance and data access</li><li>Collaboration with business to deliver relevant data and insight for our strategy and decisions.</li><li>Managing storage, processing, copy/synchronization etc. appropriate to scale</li><li>Enabling machine learning and algorithm groups by proving them right frameworks and data</li><li>Advancing team’s design methodology and quality programming practices and evangelize those techniques across Ad platform.</li><li>Deliveries</li><li>Setup 8+ member team to design and deliver Budget Allocation and Budget experimentation.</li><li>Leading Ad Delivery services team, responsible for delivering various capabilities like query understanding, targeting, fraud etc.</li><li>Delivered and Lead Design for observability for budget, and data platform in Ad platform.</li><li>Setup 11+ members high performing team to handle various business needs such as analytics and micro services for Display Advertising as well as Data Platform</li><li>Instrumental in driving Data Platform throughout the SDLC from inception, design, development, testing and deployment.</li><li>Instilled a strong team culture of high-quality delivery by constructive feedback, cross collaboration, focus and motivation.</li><li>Delivered Realtime and Batch Platform with various integrations</li><li>Delivered new DIP design for Data Platform</li><li>Delivered design of all the components of Data processing platform</li><li>Transitioned Display data work to India seamlessly and delivered many critical business impacting features and organizational security initiatives.</li><li>Closely worked with various stakeholders to understand the requirements which resulted into efficient remote work culture.</li><li>Seamless Display execution and set up best practices for 24X7 production on-call.</li><li>Tools and Technologies</li><li>AWS, S3, Kafka, Spark, Hadoop, EMR, Hive, Scoop, Flume, Cassandra, Airflow, Oozie, Gobblin, Schema Store, Icloud, Grafana, Kubernetes, Vertica, Alation, snowflake, druid, Iceberg, Java, Scala, IntelliJ, Oracle, MySql, Git, RIO, Spinnaker, Elastic cache, Grpc, Agile.</li></ul> at Apple - Adplatform

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Nicholas Barrientos