ECHA/2020/666  Annex 11 to Technical Specifications Profiles description  –  Restricted  17 (24)  3.3. Data Scientist  Education  • Successful training/education by a competent institute, in  relevant subject.  Knowledge and  skills  • English: C1  Analytics / Data Mining / Machine Learning / Artificial  Intelligence  Experience  • Working in an international/multicultural environment  Minimum 5 years of data science experience  • Experience in in relevant languages/technologies such as:  o Python, SQL, Scala, Lua, Java, SAS, R, C++, Matlab  o Spark, Hadoop, Hive, Kafka, HBase, MapReduce  o TensorFlow, Torch, Keras, Scikit Learn o Lucene, Elastic Search, SolR  o Tableau, Matplotlib, Seaborn, Plotly  • Experience with physicochemical, fate and (eco)toxicological  properties relevant for chemical risk assessment and  Cheminformatics  Nature of the  tasks  Find, manage and merge multiple data sources and ensure  consistency of datasets. Identify the mathematical models, select  and optimise the algorithms to deliver business value through  insights. Communicate patterns and recommend ways of applying  data:  • Perform business analysis, interview users, run focus groups,  facilitate workshops  • Represent business challenges through mathematical models Collect, understand, clean, analyse, integrate and investigate  internal and external data to achieve the mission • Create and test hypothesis • Uncover data correlations/relationships in support of  measurement and predication • Process and curate data submitted (e.g. by industry) of  different level of quality (data wrangling) • Identify the right visualisation models depending on the  business challenges and the data sets • Address data security through active preventative strategies • Select and optimise algorithms using data science tools Comply with ethical guidelines and legal requirements • Develop applications for retrieving, transforming, making  available and presenting complex scientific data  • Provide technical documentation (software architecture  documents, manuals, algorithm documentation)  Education  • Successful training/education by a competent institute, in a  subject relevant to the tasks at hand  3.4. Application Administrator / Support expert  The scope of the Application Administrator role includes the setup and configuration of the  technical aspects of the Application technology stack, and creation of the associated  technical documentation. It also includes service activities, usually providing support to  the end-users related to the issues, problems, questions, etc. about the applications in  use.  However, it does NOT include 'performing' the Application Management (monthly) service.  P.O. Box 400, FI-00121 Helsinki, Finland | Tel. +358 9 686180 | echa.europa.eu 