Software Development Test Engineer - Electrical IoT Devices

Software Development Engineer in Test (SDET) - Electrical IoT Devices

Location:

Foxborough, MA (Onsite, 3 days a week)Job Summary:We are seeking a skilled Software Development Engineer in Test (SDET) with a focus on Electrical IoT devices, relay monitors, and firmware development. The ideal candidate will have a background in energy monitor development and experience in developing and maintaining test equipment for the manufacturing and release process. This role requires onsite work at our Foxborough office to build and maintain test equipment.Key Responsibilities:

Develop and Maintain Test Equipment:

Design, build, and maintain test equipment for manufacturing and release processes.Firmware Development and Testing:

Collaborate closely with firmware development teams to ensure robust testing of firmware for IoT devices.DVT (Design Validation Testing):

Write detailed test plans and test cases, execute these plans, capture results, and understand variant testing of multiple hardware configurations.Test Development and Automation:

Develop and automate tests for embedded Linux applications using Shell scripts and Python.Front End User Testing:

Ensure thorough testing from a user standpoint, understanding the lifecycle of applications.Performance Metrics Analysis:

Measure and analyze CPU usage, memory usage, and non-volatile storage usage.Ideal Candidate Profile:

Educational Background:

Degree in Hardware Engineering, Applied Engineering, or a related field with a firmware background.Collaborative Projects:

Proven experience working on collaborative projects in a team environment.Troubleshooting:

Strong troubleshooting skills for multi-component setups.DVT Experience:

Experience in medium-scale DVT development and execution.Core Skillset:

Medium Scale DVT Development:

Ability to develop and execute detailed validation tests.Shell Scripts:

Proficient in writing and debugging Shell scripts.Troubleshooting:

Expertise in troubleshooting multi-component setups.Embedded Linux Applications:

Experience in developing and testing embedded Linux applications.Python:

Proficient in Python for test automation and scripting, including libraries and frameworks like Flask, ZMQ, and sockets.Performance Metrics:

Understanding of how to measure and interpret CPU usage, memory usage, and non-volatile storage usage.MySQL and SQLite:

Experience with relational databases.Docker:

Familiarity with Docker for development and local setup.Coverage Areas:

Front End User Testing:

Familiarity with applications from a user standpoint and their lifecycle.DVT (Design Validation Testing):

Writing and executing detailed test plans and cases, understanding variant testing.Test Development and Automation:

Assessing risk and integration points, automating tests for embedded Linux applications.Performance Metrics:

Measuring and analyzing performance metrics like CPU usage, memory usage, and non-volatile storage.Technologies Used:

Backend:

Python (Flask, ZMQ, sockets, HTTP API), PoE, IQS, ZPL, QT, serial debug, regex, MySQL, SQLite, Bash, Docker.Frontend:

React, JavaScript.Infrastructure:

Networking (firewall basics, IP routes, CIDR ranges, VPN), basic WiFi knowledge, VNC, SSH, AWS (S3, RDS).Experience:

Embedded devices, Debian-based Linux distributions, programming resource-constrained devices.Nice to Have:

Rust Experience:

Familiarity with the Rust programming language.Research and Development:

Experience in research and development environments.Additional Requirements:

Must be able to work onsite at our Foxborough office to build and maintain test equipment.If you have a passion for developing and maintaining robust testing solutions for IoT devices and a background in firmware development, we encourage you to apply for this exciting opportunity.

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