Server System Integration Testing and Validation Engineer

At ByteDance, our people are humble, intelligent and creative. We create to inspire - for you, for us, and for millions of users across all of our products. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at ByteDance. ByteDance Server platform team is responsible for architecting, designing, and building the best server and storage system to meet the requirements of high-performance, low cost and easy to operate. By joining this team, you will work with the best engineers and talents in this industry and have a broad opportunity to get in touch with the latest AI application system and newly emerged technology in computing, storage and silicon validation. You will gain remarkable hardware architecture, development and validation experience in the most advanced hardware infrastructure at a massive scale. We are looking for a self-motivated Server System Integration Testing and Validation Engineer with the following responsibilities: - Responsible for the system integration testing of server products to ensure the functional completeness, software and hardware compatibility, performance and reliability of server systems; - Work jointly with partners to ensure the test coverage effect of server products in the engineering phase, including formulating the overall test plan, test planning, test case review, test report review and other related tasks; - Provide support for the design team to identify the root causes of faults and defects detected during the analysis and testing process, and continuously adjust and optimize the testing scheme and implementation intensity through defect analysis to ensure the testing effect; - Participate in performance testing and tuning, including benchmark performance testing, and assist businesses in conducting hardware-related performance analysis and tuning; - Research on and qualification of new components and technologies, as well as verification of their implementation, to support the enhancement of the competitiveness of server systems; - Responsible for maintaining automated test cases and conducting code development, reviewing the test plans and test reports of the supplier's R&D at all stages to ensure that the quality of server R&D meets the standards. Minimum Qualification(s) - Bachelor's degree or above in Electrical Engineering, Computer Engineering, Computer Science or a related major, at least 3 years of working experience in server qualification; - Familiar with server hardware products from mainstream vendors, as well as mainstream SSDs, hard disks, network interface cards, and corresponding testing methods; Proficient in tools including speccpu, fio, iperf, stream, mlc, lmbench and relevant tuning methods; - Have experience in server qualification testing, be proficient in BMC IPMI commands, BIOS performance and power consumption optimization methods, and issue debugging skills; - Have certain performance analysis and tuning methods, master in-depth performance analysis tools such as perf, emon/Vtune, and be capable of using multiple performance analysis methods to analyze benchmark performance and business performance bottlenecks; - Familiarity with the working principle of network interface cards, performance (bandwidth, latency, etc.) evaluation methods, performance tuning methods; - Strong ability to write automated test scripts, familiar with at least Shell or Python programming. Preferred Qualification(s) - Master's degree or above in Electrical Engineering, Computer Engineering, Computer Science or a related major, at least 3 years of working experience in GPU server qualification; - Familiar with CPU/GPU platform architecture, and/or application performance optimization design or software-hardware co-design; - Understand the implementation of CPU virtualization technology in distributed systems; - Demonstrated experience of working collaboratively in cross-functional teams. - Familiarity with Java, C or C++ is a plus.