Krzysztof Nienartowicz

Founder and CEO of Sednai Sarl I ESA Gaia Variability Studies Tech Lead

Geneva, Geneva, Switzerland

About

Experienced Manager and Data Architect.

Experience

  • Manager of ESA Gaia Data Processing Centre at University of Geneva
    Feb 2016 - Present · 10 yrs 5 mos

    - Gaia CU7 Tech Lead - In addition to the DPCG deputy tasks: - Project operations manager for CU7/DPCG (60 in-house and collaborating scientists) - Defining and implementing priorities to deliver performing system on time and the data products - Defining vision, technical priorities and managing their execution with DPCG team - Co-defining schedules of scientific processing, analysis and validation for the scientific team - CU7/DPCG representative for ESA Gaia Data Processing Centres Consortium - Flattened structure and streamlined access policy and stimulated involvement of dozens of external contributors - Streamlining enriched data access to all interested parties

  • Founder at Sednai
    Dec 2019 - Present · 6 yrs 7 mos

    - ESA Gaia mission Data Processing Centre in Geneva support. - Contribution to Postgres-XL and TBase - PostgreSQL parallel DBMS forks. - Universal Massive Timeseries analysis platform creation. - WP2 EC Aero Project, Pilots Leader (part of EIC Processor Initiaive) [https://aero-project.eu/]

  • ESA Gaia Data Processing Centre Deputy and Architect at Data Centre for Astrophysics (University of Geneva)
    Nov 2013 - Jan 2016 · 2 yrs 3 mos

    - Data and system architect - IT solutions leader - Created from scratch Petabyte scale data analysis system - Infrastructure definition for the project - Fabric definition including design and deployment of petabyte scale the Gaia Data Centre in Geneva - Negotiations, selection of the long term hardware solutions, seven digits EUR hardware procurement - Devops shaper for the project - Author of the hierarchical supervised machine-learning classification framework used by CU7 - Author of parallel data exchange framework used for ETL at DPCG - Author of Data model and architecture used by CU7 - Author of Scientific Visualisation, online system for Variability group to display multibillion timeseries catalogs and multidimensional scientific results - Advocate of open-source data anlaysis tools, introduced several toolsets in the team, including R, data sharing via Virtual Appliances, Streaming, In-memory grid solutions etc. - Advocate of Postgres and Postgres-XL as a polyglot scientific project solutions

  • Trainer at Various firms
    2007 - 2014 · 7 yrs

    Prepared and run number of courses on - Oracle RAC administration - SQL Server - Data management For Tech and Finance companies in Switzerland.

  • Senior Data Architect at ISDC/Observatoire de Geneve/ESA - Gaia CU7/SixSq
    Jun 2008 - Nov 2013 · 5 yrs 6 mos

    Petabyte scale variable sources data processing system architect for "the biggest data processing challenge to date in astronomy".