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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Test Engineer - **Company:** 34ED, LLC - **Location:** Annapolis, MD, United States - **Experience:** Expert - **Salary:** $100,000.0 - $115,000.0 - **Contract:** Permanent contract - **Skills:** 3D Printing, Agile Methodology, Altium Designer, Automation of Tests, Code Coverage, Communications Protocols, Continuous Integration, Software Debugging, Firmware, Hardware-In-The-Loop Simulation, Python (Programming Language), Rapid Prototyping Process, Regression Testing, Scripting, Test Scripts, Git, Cloudwatch, Aws Iot - **Published:** August 10, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ccceb0b9cb93c835 ## About the Role * 6 years of professional test engineering experience in embedded systems. * Hands-on experience validating low-power embedded systems using industry-standard methodologies. * Experience with firmware verification, communication protocols, and diagnostic and measurement hardware. * Test automation in Python or a similar scripting language. * Skilled with lab equipment for hardware-level diagnostics. * Familiarity with AWS IoT and AWS CloudWatch. * Competency designing 2-4 layer PCBs in Altium or equivalent. * End-to-end ownership of test plans: development, execution, and formal reporting. * Proficient with Git; able to build firmware directly from source. * Working knowledge of HIL environments, CI/CD, and regression testing. * Solid foundation in basic Electrical Engineering principles. * Hands-on skills including soldering and assembly of electro-mechanical test fixtures. * Competent in sourcing components and ordering PCBs for rapid prototyping. Desired Qualifications * Experience with AWS Lambda, RF testing, or environmental stress testing. * Experience operating 3D printers and light-duty CNC machinery for prototype development, including fabrication of components from wood, plastic, and aluminum. * Familiarity with quality management systems (ISO 9001 / ISO 13485). * Understanding of Agile workflows and CI/CD pipelines for firmware. * Ability to analyze complex system interactions across hardware, firmware, and wireless layers.. ## Description We are looking for a Senior Hardware Test Engineer to join our team in Annapolis, MD at our testing center to help CENTEGIX continue to deliver on the quality customers expect from the CrisisAlert system. This position focuses on hands-on lab duties, test design, setup, and occasional 3D-printer / CNC fabrication. Position Responsibilities * Design, deploy, and maintain hardware and firmware for Hardware-in-the-Loop (HIL) test jigs. * Apply industry-standard testing protocols for low-power embedded systems. * Execute comprehensive test plans for firmware deployments, including system, regression, and low-power evaluations. * Use lab equipment-oscilloscopes, logic analyzers, spectrum analyzers, and function generators-for signal-level diagnosis and debugging. * Partner with hardware, firmware, and cloud teams to root-cause issues and confirm fixes. * Develop and maintain automated test workflows triggered by Continuous Integration (CI). * Maintain traceability between requirements and tests. * Produce detailed test reports, results, and procedures in compliance with ISO 9001 and ISO 13485. * Drive ongoing improvements in test coverage, product quality, and process effectiveness. * Give clear, constructive feedback to advance the maturity of the testing process. ## Related Videos - [Building your way to a serverless powered IOT Buzzwire game](https://www.wearedevelopers.com/videos/590-building-your-way-to-a-serverless-powered-iot-buzzwire-game) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [WeAreDevelopers LIVE – AI vs the Web & AI in Browsers](https://www.wearedevelopers.com/videos/1743-wearedevelopers-live-ai-vs-the-web-ai-in-browsers) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)