is my job title accurate to work am I doing?

So my company has a practice where they are making up job titles names. For example - my job tittle is Data Tester. I am working with BigData, below some of my dutes:
- analysing data quality (missings files, Data types, comparing metrics to UI) via jupyter notebook using pyspark, python and sql - data is located on GCP and Azure
- somekind of support: keeping clients updated about incidents/changes on production
- loading configs to namespaces
-monitoring logs and …

bigdata data data quality datascience example job jupyter making metrics notebook practice pyspark quality types work