WHAT DOES AN ELECTRICAL TEST ENGINEER DO?

Published: Dec 31, 2024 – The Electrical Test Engineer provides vendors with equipment specifications, verifies new equipment, and oversees installation and debugging processes. This position programs and troubleshoots test equipment for battery-powered tools, ensuring proper machine sequencing and functionality. The engineer also maintains technical documents, manages repairs, and leads preventative maintenance to optimize equipment performance.

A Review of Professional Skills and Functions for Electrical Test Engineer

1. Electrical Test Engineer Overview

  • Test Development: Develop, document, execute, and analyze printed circuit assemblies (PCA) level functional tests and report data for sophisticated electro-mechanical systems.
  • Data Analysis: Utilize sound engineering methods, data analysis, and documentation processes to perform technical reviews.
  • Algorithm Development: Develop test algorithms and automated scripts, data acquisition and measurement systems, and test fixtures.
  • Automation Scripting: Develop automated scripts for testing and data acquisition systems.
  • Data Acquisition: Develop data acquisition and measurement systems for testing.
  • Test Fixture Design: Design and develop test fixtures to support testing requirements.
  • Cross-functional collaboration: Work cross-functionally to contribute to hands-on system debugging in areas such as power, thermal, EMC, electrical safety, and functional performance.
  • Root Cause Analysis: Work with the design team to identify the test failure root cause, implement, and verify corrective actions and solution efficiency.
  • System Debugging: Contribute to system debugging in areas of power, thermal, EMC, electrical safety, and functional performance.
  • Vendor Management: Develop and maintain vendor relationships.
  • Test Communication: Help drive communication for external test houses used during testing.

2. Senior Electrical Test Engineer Essential Functions

  • Test Planning: Develop test plans and procedures based on new or established products to ensure the product meets customer requirements.
  • Data Analysis: Support NPD teams through test development, data analysis, and competitor benchmarking.
  • Statistical Analysis: Interpret performance data using robust statistical methods to make formal recommendations to product design teams.
  • Test Development: Provide guidance, feedback, and recommendations for improving current testing methods and requirements.
  • Test Fixture Design: Assist in the development, build, and programming of test fixtures.
  • Documentation: Create documentation for test fixtures, theory of operation, and specifications.
  • Laboratory Equipment Usage: Use laboratory equipment such as oscilloscopes, power supplies, electronic loads, and data acquisition systems.
  • Experimentation: Conduct experiments, perform simulations, and draw concise, logical conclusions by analyzing data.
  • Project Management: Track projects to ensure adherence to schedule and communicate status updates to other teams and mid-level management.
  • Reliability Assessment: Review new product designs and engineering changes concerning product reliability, user requirements, and warranty information.
  • Meeting Facilitation: Schedule, develop agendas for, facilitate, and document technical meetings and formal presentations.

3. Electrical Test Engineer Role Purpose

  • Component Testing: Be responsible for electronic component testing.
  • Test Planning: Develop and document the test plan for functional, pre-compliance, and validation tests.
  • Integration Support: Support component and vehicle-level integrations from prototype to production.
  • Troubleshooting: Work with the design engineer to troubleshoot issues.
  • Test Automation: Develop an automated test platform.
  • Supplier Collaboration: Work closely with suppliers and test labs to plan and track the test progress.
  • Test Documentation: Document the test results and improvement suggestions.
  • Test Program Management: Lead electrical test programs, from test planning, and test execution, to data reporting for power electronic units, batteries, and other electrical products.
  • Customer Collaboration: Collaborate with both internal and external customers to define requirements and specifications for testing.
  • Design Review: Create and develop test plans, test procedures, and design review presentations to meet testing needs.

4. Electrical Test Engineer General Responsibilities

  • Test System Design: Lead the design and implementation of test systems, procedures, and product qualification methodologies.
  • Collaboration: Work with software and hardware engineers on the development of test procedures, methods, and criteria, based on product specifications, quality, regulatory, and manufacturing requirements.
  • Test Methodology Development: Define, create, and maintain test methods for the hardware manufacturing process of PCBAs, sub-assemblies, batteries, and chargers.
  • Data Management: Responsible for data collection, data analysis, and data reporting.
  • Design Support: Support deployment, validation, and qualification of engineering designs.
  • Test Automation: Define, develop, and implement test automation equipment and requirements.
  • Production Support: Support production application - perform data quality checks, and investigate production inquiries and issues.
  • Quality Assurance: Work closely with the Quality Assurance Team on the development of project deliverables.
  • Test Infrastructure Management: Maintain, deploy, and control test system infrastructure.
  • Best Practices for Testability: Identify and drive the use of design best practices for testability and maintainability of software and hardware.
  • Lab Training: Assist with training all lab personnel through a complete understanding of the test procedures as well as the testing requirements.
  • Test Method Deployment: Work with the lab manager on the planning, execution, and deployment of test methods.
  • Firmware Testing: Work with software developers on firmware unit testing and firmware integration testing.

5. Electrical Test Engineer Key Accountabilities

  • Vendor Management: Provide vendors with new equipment requirements, assist with new equipment verification, and oversee the installation and debugging of the same equipment.
  • Test Equipment Programming: Work with process engineers and/or equipment manufacturers to program and/or reprogram purchased test equipment for battery-powered tools.
  • Blueprint Reading: Read blueprints, wiring, and schematic diagrams for assembly line test equipment.
  • Technical Documentation: Develop and maintain technical documents and repair logs relating to the operation of equipment.
  • Parts Procurement: Purchase and/or fabricate basic parts needed to maintain test equipment.
  • Equipment Research: Research new equipment types, sources, costs, and delivery to assist in maintaining test equipment.
  • PLC Troubleshooting: Using PLC Ladder Logic, troubleshoot and modify machine logic to ensure appropriate machine sequencing.
  • Test Equipment Repair: Identify, troubleshoot, and repair lithium battery-powered power tool test equipment.
  • Preventative Maintenance: Guide preventative maintenance efforts to keep manufacturing of end-of-assembly line test equipment, basic computer file transfer (programmers), and various tool markings (engravers, dot impact, laser, etc.) in optimal working condition.
  • Team Management: Manages three to four associates directly.