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Luis Ricardo Sierra

Luis Ricardo Sierra

Software Engenieer

Followers of Luis Ricardo Sierra696 followers
location of Luis Ricardo SierraGuatemala, Guatemala

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  • Timeline

  • About me

    Country Manager @ ATOS Guatemala | Managed IT Services | Adjunct postgraduate professor

  • Education

    • Instituto Suger Montano

      1987 - 1988
      High School Computer Science High School

    • Liceo Guatemala

      1977 - 1986
      Mid School Junior High/Intermediate/Middle School Education and Teaching

    • Universidad Galileo

      1996 - 1998
      Bachelor degree - Computer Science Management Information Systems, General

    • Universidad Galileo

      2011 - 2011
      Postgraduate Degree System Information

      Magna Cum Laude

    • Universidad Francisco Marroquín

      1989 - 1995
      Associate's degree Computer Systems Analysis/Analyst

    • Universidad Galileo

      2008 - 2009
      Master Human Resources Management/Personnel Administration, General

    • Formato Educativo Business School, Spain

      2017 - 2018
      Executive MBA Business Administration and Management, General MBA

      Executive/International MBA

  • Experience

    • SOFI, S.A. - Guatemala

      Jan 1996 - Jan 1998
      Software Engenieer

      Software engenieer. Areas of experience: Financial / Banking software development using Smalltalk and Object-Relational DBMS.

    • Banco del Quetzal

      Jan 1998 - Aug 2002
      Software Eng / Business Analyst

      Systems developer and Business System Analyst

    • BANCARED - Transacciones Universales

      Sept 2002 - Jan 2006
      Sr. Software Developer and DBA - BI Architect

      ERP implementation and customization.BI ArchitectMDM design and implementation

    • 5B - Transacciones y Transferencias, S.A.

      Feb 2006 - Oct 2011
      Head of SOA Development team

      Planning and coordination of software development and DSS platform design and implementation (using Cognos) mostly related to the core business: ATM Transactions Processing and Credit Card transactions.Leading the implementation of controls and procedures to meet the regulations of ISO 27001 in order to achieve the ISO certification (granted).Align the Development area to the ITILv3 practices in order to improve the quality of service and get performance metrics of the team activities.

    • GSI

      Oct 2011 - May 2012
      Gerente General / General Manager

      BPO: Document Management SystemsBPM: BizAgiECM - Sharepoint, Joomla!

    • Universidad Galileo

      Mar 2012 - now
      Postgraduate Adjunct Professor

      Systems Information | Courses: MIS, Business Intelligence, Systems Integration Strategies and Technologies

    • Xerox

      May 2012 - Jun 2015
      ITO Site Lead / Sr. SQL DBA

      ITO Global Service Operations & Engineering (GSOE) - Xerox Business Services, LLCwww.xerox.com/businessservices

    • Atos

      Jul 2015 - now
      Country and Operations Manager

      Site and Operations Manager /IT Outsourcing Services / Digital Transformation

    • Universidad Rafael Landívar

      Jan 2018 - now
      Postgraduate Adjunct Professor

      Information Systems Management | Course: Business Intelligence and Big DataIT Management / Data Science specialization | Course: Data Architecture Fundamentals

    • Universidad del Valle de Guatemala

      May 2021 - now
      Postgraduate Adjunct Professor

      Data Anaytics | Course: Data Ingestion and Data Flow Technologies

  • Licenses & Certifications

    • Diplomate in Administration and Finance

      IGCPAOficial
      May 2019

    • Python Essential Training

      LinkedIn
      Oct 2020
      View certificate certificate

    • Transitioning from Data Warehousing to Big Data

      LinkedIn
      Jan 2021
      View certificate certificate

    • Microsoft Certified: Azure Fundamentals

      Microsoft
      Oct 2020
      View certificate certificate

    • Diplomate in Finance in the era of innovation.

      IGCPAOficial
      Sept 2019

    • ITIL v3 Foundations

      EXIN your ICT competence partner
      Sept 2010

    • Big Data Analytics with Hadoop and Apache Spark

      LinkedIn
      Nov 2020
      View certificate certificate

    • Microsoft Certified Technology Specialist (MCTS): Microsoft SQL Server 2008, Implementation and Maintenance

      Prometric
      Jul 2013

    • Income Statement (P&L) and Cash Flow Explained

      LinkedIn
      Sept 2020
      View certificate certificate

    • Exam Prep: Microsoft Azure Fundamentals (AZ-900)

      LinkedIn
      Sept 2020
      View certificate certificate

  • Volunteer Experience

    • Fundraiser

      Issued by United Way Guatemala on Jan 2015
      United Way GuatemalaAssociated with Luis Ricardo Sierra

    • Scholarship

      Issued by Escuela Marista Moises Cisneros on Jan 2016
      Escuela Marista Moises CisnerosAssociated with Luis Ricardo Sierra

    • President

      Issued by Condominium on Feb 2025
      CondominiumAssociated with Luis Ricardo Sierra

    • President

      Issued by Condominium on Jul 2013
      CondominiumAssociated with Luis Ricardo Sierra

    • Treasurer

      Issued by Condominium on Jan 2008
      CondominiumAssociated with Luis Ricardo Sierra