Before discussing the job requirements of a Big Data Analyst, let's discuss the role a bit.
Big Data Analysts are professionals similar to Data Analysts who work with an organization's Big Data to analyze, review, and report to bring forth useful meaningful insights to better support organizational and business decisions.
Coming to the part of Big Data Analysts skills and requirements:
Programming skills - Python, R, C++, Java, Scala, Julia, etc.
Statistics and Maths - Linear Algebra, Calculus, and other significant concepts
Good grip in computational frameworks - Excel, SQL, Hadoop MapReduce, Spark, SAS, MATLAB, etc
Data Warehousing skills - skills in DBMS and RDBMS like SQL, MySQL, HDFS, MongoDB, Cassandra, etc
Business/Domain - Must possess strong domain knowledge before applying for the job role.
Soft Skills - Good communication, problem-solving, analytical thinking, etc.
If you are interested in learning Big Data Analytics and wish to become a Big Data Analyst, check out this Big Data Analytics Certification offered by E & ICT Academy IIT Guwahati through Intellipaat. I would suggest you watch this learner feedback video of a customer who enrolled in this Post-Graduate Program to get a good understanding of it.