GIT Consult


SECURITY DATA ANALYST Published: 04.02.2021


Our significant client is a well-known US telecom company located in Brno.


What will you do
· Applied data science research to fight spam, scam and fraud attacks in SMS, MMS, e-mail and other mobile telecommunication protocols
· Helping mobile network operators worldwide in localization, identification, monetization and prevention of spam and fraud attacks
· Big Data analysis of Voice/SMS/MMS traffic (100 million messages per day)
· Data cleaning and preprocessing (data wrangling), exploratory analysis, statistical analysis
· Machine learning, data mining, text mining in different languages
· Data visualization and presentation
· Uncovering activities of organized groups of spammers and fraudsters
· Researching new fraud techniques and designing algorithms for their detection and prevention
· Monitoring and preventing virus and malware distribution vectors in SMS/MMS


What we expect you already know/have
· Statistical analysis
· Scripting languages (for example bash, python, perl, lua or similar)
· R-studio
· Machine learning, data mining, data analysis
· Linux/Unix platform
· Critical thinking and strong problem-solving skills
· Willingness to learn new things
· Fluency in English
What will you work with
· Linux OS
· Statistical tools – R-studio
· Big data tools - Kafka, Spark, ElasticSearch
· Data science and machine learning tooling - NumPy, SciPy, MLlib
· Unique data sets (Voice/SMS/MMS/RCS communication from all around the world)
· State of the art fraud detection algorithms
· Core mobile network systems and technologies

We offer

international environment of a successful US telecom company
attractive financial remuneration
scope of company benefits: 5 weeks vacation, vouchers, sick-days, HO, constribution to life insurance or pension, English courses, teambuilding activities

Job type
Contact person
Marcela Slováková
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