My interview experience for the Data Center Operations Engineer role at ByteDance was highly engaging, professional, and technically challenging. It involved scenario-based questions, hands-on troubleshooting discussions, and strong data center fundamentals such as power, cooling, networking, and server maintenance. The interviewers were knowledgeable and friendly, focusing on real-world operational scenarios, incident response, preventative maintenance, and coordination with cross-functional teams. Success required a solid understanding of infrastructure management, hardware lifecycle, ticketing systems, and logical problem-solving. Overall, it was a thorough, well-structured, and rewarding process that assessed both technical expertise and critical thinking under pressure.