Knowledge of Python and shell scripting is a must, as is experience with Apache Spark and other big data tools.
It depends on which team has an opening, but generally, one should know all DevOps tools thoroughly. The interviewer may also ask basic programming questions to test problem-solving skills.
The following metrics were computed from 2 interview experiences for the Nvidia Devops Engineer role in India.
Nvidia's interview process for their Devops Engineer roles in India is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Nvidia's Devops Engineer interview process in India.