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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Test Development Engineer, Amazon Leo - OISL - **Company:** Amazon.com, Inc. - **Location:** Redmond, WA, United States - **Experience:** Expert - **Salary:** $159,200.0 - $215,300.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), C Sharp (Programming Language), C++ (Programming Language), Computer Engineering, Linux, Hardware Design, Python (Programming Language), MATLAB, Ruby, System Testing, Systems Integration, Strategies of Testing, Rust (Programming Language), Information Technology, Software Version Control, Golang - **Published:** August 28, 2026 - **Apply:** https://www.amazon.jobs/en/jobs/10517681/sr-test-development-engineer-amazon-leo-oisl ## About the Role We're looking for a hands-on Test Development Engineer with a background in hardware/software test development for manufacturing. Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum., Experience programming in at least one modern language such as Python, Ruby, Golang, Java, C++, C#, Rust - Experience with Linux/Unix - Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, Mechanical engineering, or equivalent practical experience - 5+ years of experience developing hardware test systems, including test software and supporting hardware - Experience with hardware/software integration testing and debugging Preferred Qualifications - Experience working with version control systems - Experience delivering products to volume production - Experience with testing optical communication systems - Experience collaborating with hardware design teams on design for testability and design for manufacturing - Experience designing and qualifying test fixtures, automated test equipment, and test software for production lines ## Description This is a role for a highly collaborative individual who will help us develop component- and LRU-level tests for hardware being built in Leo's Optical Intersatellite Link manufacturing lines, with requirements and stakeholders that span multiple disciplines. We are looking for an engineer who combines superb technical and analytical capabilities, with a demonstrated ability to get the right things done quickly and effectively: * Lead the development test system design and validation * Lead software/hardware integration testing * Lead review and analysis on data using tools such as MATLAB, Python, or similar * Support and organize the release of the software and hardware system documents through gate reviews * Investigate and troubleshoot yield issues during prototype and production builds * Write status and/or build reports for cross-functional review * Drive and prioritize execution of system test campaigns * Identify and analyze the cross-functional tradeoffs between different test designs, including impact on performance, schedule, and cost at scale * Drive cross-functional schedules, test requirements, specifications and limits with the hardware development team * Work concurrently with the design engineers to collect design for testability (DFT) feedback throughout the design process * Coordinate with production to define test strategy, and the implementation and optimization of test setups and processes * Develop procedures and troubleshooting guides to support production * Interested and able to travel domestically and internationally A day in the life You will tackle challenging, novel situations every day and have the opportunity to work with multiple technical teams at Amazon in different locations. You should be comfortable with a high degree of ambiguity and relish the idea of solving problems that haven't been solved before. ## Related Videos - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Coffee with Developers: David Heinemeier Hansson](https://www.wearedevelopers.com/videos/875-coffee-with-developers-david-heinemeier-hansson) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Fireside Chat with Werner Vogels, VP & CTO, Amazon.com & Daniel Gebler, CTO at Picnic](https://www.wearedevelopers.com/videos/1405-fireside-chat-with-werner-vogels-vp-cto-amazon-com-daniel-gebler-cto-at-picnic) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)