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NEC Corporation
NEC Corporation
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NEC Corporation is a Japanese technology and engineering company working across IT, telecommunications, networking, and hardware. Its offerings include enterprise technology services, systems integration, communications infrastructure, data analytics, and AI-based solutions for governments, businesses, and public institutions worldwide. NEC Corporation’s hiring spans technical and business disciplines, including engineering, data analytics, sales, and corporate affairs.
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Senior Data Warehouse Engineer – Bengaluru Onsite

Join NEC Corporation in Bengaluru to manage Vertica data warehouse models and Talend ETL pipelines. The role supports regulatory reporting, Power BI, SSAS, and Oracle-to-Vertica migration initiatives.

INIndiaOn-siteFull-timeSeniorEnglish RequiredData Engineer
ETLJavaOraclePostgresPythonSQL

Description

  • Manage and improve Vertica data warehouse pipelines and models
  • Build and refine Talend-based ETL workflows
  • Translate Oracle procedures, queries, and business logic into optimized Vertica models
  • Convert business needs into effective SQL and query solutions
  • Partner with stakeholders to define requirements and produce technical specifications
  • Maintain data accuracy, quality, and audit trails for regulatory reporting
  • Support reporting platforms such as SSAS and Power BI
  • Use PostgreSQL and other supporting data systems when required
  • Investigate performance problems and tune SQL and data models
  • Lead requirements analysis and documentation
  • Develop software with programming, scripting, and database languages
  • Assist with testing, deployment, maintenance, and ongoing software improvements
  • Follow development practices covering coding standards, reviews, source control, builds, testing, and operations

Requirements

  • Bachelor’s degree in a relevant discipline, such as B.Tech or B.E.
  • Substantial experience working with Vertica or comparable MPP data warehouse platforms
  • Practical experience developing ETL processes with Talend
  • Strong SQL skills, including query tuning and data modeling
  • Experience with Oracle SQL and PL/SQL, including migration to modern data warehouse platforms
  • Ability to turn business requirements into workable technical solutions
  • Knowledge of data warehousing principles, dimensional modeling, ETL, and data quality
  • Familiarity with OLAP systems and data cubes
  • Experience with metadata management and data quality frameworks
  • Python, SQL, or Java programming skills for data workflows and automation
  • At least five years of relevant professional experience

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