A NiFi job typically involves working with Apache NiFi, a powerful data integration tool used for automating data flow between systems. Professionals in this role design, develop, and maintain data pipelines, ensuring efficient data ingestion, transformation, and movement. They often work with real-time data streaming, data security, and process optimization. NiFi engineers collaborate with data teams to ensure seamless data processing and integration. Knowledge of NiFi processors, workflows, and system troubleshooting is essential for success in this role.