> Markdown version of [/jobs/ext/3005451-hardware-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3005451-hardware-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Hardware Systems Engineer - **Company:** Apple Inc. - **Location:** United States - **Experience:** Experienced - **Salary:** $184,700.0 - $277,600.0 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Software Debugging, Python (Programming Language), Serial Communications, Signal Integrity, System Testing, Systems Integration, Test Execution Engine, Hardware Testing, Cts+ - **Published:** September 19, 2026 - **Apply:** https://www.dice.com/job-detail/f0aa5028-c89d-44b6-9aae-2c7862eb7ba2 ## About the Role Master's degree or foreign equivalent in Electrical Engineering or related field and 3 years of experience in the job offered or related occupation. 3 years of experience with each of the following skills is required: Utilizing high-speed oscilloscopes, Signal generators and VNA/PNA to measure and analyze serial I/O signal integrity and electrical performance characteristics for receiver and transmitter validation Utilizing Thunderbolt and USB4 electrical compliance test specifications (CTS) and compliance test suites to execute and document high-speed serial I/O electrical compliance validation against industry standards Designing and implementing stress testing methodologies for high-speed serial I/O interfaces to identify design operating limits and receiver/transmitter margin post-system integration Executing SerDes receiver electrical validation including adaptive equalization characterization, clock recovery analysis, jitter measurement, and eye-diagram quality assessment Utilizing Python, C++ scripting languages to develop automation scripts for compliance test execution, high-volume eye-scan data collection, and factory-level test flow development Performing failure analysis and hardware debug to troubleshoot compliance test hardware, fixtures, software, and Device Under Test (DUT) issues affecting SerDes receiver/transmitter electrical performance Executing SerDes transmitter electrical validation including pre-emphasis tuning, output swing characterization, jitter analysis, and electrical compliance testing for high-speed data interfaces Characterizing SerDes PHY receiver and transmitter blocks with register-level programming for system validation configuration, including signal integrity parameter optimization and margin analysis Performing high-speed electrical calibration per CTS and verification of high-speed test equipment including 40GHz+ oscilloscopes and BERT systems to ensure measurement accuracy and traceability Utilizing advanced high-speed probing techniques to measure differential impedance, jitter, insertion loss, return loss, and eye-diagram metrics for high-speed serial interfaces ## Related Videos - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Angular Signals: what's all the fuss about?](https://www.wearedevelopers.com/videos/684-angular-signals-what-s-all-the-fuss-about) - [How To Test A Ball of Mud](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) - [How I Built QA from Scratch in a Scaling Startup - no fluff real life story](https://www.wearedevelopers.com/videos/2041-how-i-built-qa-from-scratch-in-a-scaling-startup-no-fluff-real-life-story) - [The Billion Dollar Machine: First Time Right.](https://www.wearedevelopers.com/videos/393-the-billion-dollar-machine-first-time-right) - [Robust AIGC Provenance with Invisible Watermarking](https://www.wearedevelopers.com/videos/100222-robust-aigc-provenance-with-invisible-watermarking) ## Related Articles - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [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) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)