Senior Expert Data Analyst
Maverin
Brno, Czech Republic
před 25 dny

We are Mavenir.

As a trusted partner, Mavenir accelerates and redefines network transformation for Service Providers. By offering a comprehensive product portfolio across every layer of the network infrastructure stack.

From 5G application / service layers to packet core and RAN Mavenir leads the way in evolved, cloud-proven networking solutions enabling innovative and secure experiences for end users.

Through its industry first VoLTE, VoWiFi, Advanced Messaging and Cloud RAN solutions, Mavenir’s platform enables Service Providers to successfully deliver tomorrow’s vision today and realize new revenue streams.

Who we are

  • American company, based in Dallas, with a large R&D center in Brno (230+ engineers)
  • Vendor of Wireless and Telecom market solutions
  • Leader in mobile messaging, VoLTE, security and consumer services
  • Customer base of 350+ operators in 150+ countries
  • 60% of the world’s population rely on our technologies
  • We are a company with many working opportunities, company where you can learn and grow fast
  • Role Summary

  • 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
  • What will you do?

  • Big Data analysis of SMS / MMS traffic (100 million messages per day)
  • Data cleaning and preprocessing (data wrangling), exploratory, 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
  • Key Responsibilities :

  • Big Data analysis of SMS / MMS traffic (100 million messages per day)
  • Data cleaning and preprocessing (data wrangling), exploratory, 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
  • Linux
  • Statistical tools R-studio
  • Big data tools - Kafka, Spark, ElasticSearch
  • Data science and machine learning tooling - NumPy, SciPy, MLlib
  • Mavenir’s solution for identification of fraud and spam in mobile networks
  • Unique data sets (SMS / MMS communication from all around the world)
  • State of the art fraud detection algorithms
  • Core mobile network systems and technologies
  • Job Requirements :
  • Statistical analysis
  • Statistical analysis
  • Scripting languages (for example bash, python, perl, lua or similar)
  • R-studio
  • Data mining, data analysis
  • Linux / Unix platform
  • Critical thinking and strong problem-solving skills
  • Willingness to learn new things
  • Fluency in English
  • What We Offer? Modern technologies', team spirit, wide range of benefits

    Accessibility

    Mavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities.

    If you require any assistance, please state in your application or contact your recruiter.

    Mavenir is an Equal Employment Opportunity (EEO) employer and welcomes qualified applicants from around the world, regardless of their ethnicity, gender, religion, nationality, age, disability, or other legally protected status.

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