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Kyndryl

Data Engineer

Kyndryl

. Design and scale Retrieval-Augmented Generation (RAG) pipelines .

Posted 11/9/2026full-timeMadrid • SpainMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in designing and scaling Retrieval-Augmented Generation (RAG) pipelines, optimizing data pipelines, and maintaining vector databases. Proficient in data mining, ETL processes, and ensuring data quality while effectively communicating technical requirements to diverse stakeholders.

Highest-signal resume keywords
Data Pipeline DevelopmentVector Database ManagementETL ProcessesData Quality AssuranceCloud Platform Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Data MiningData StorageExtract-Transform-Load (ETL)Data Pipeline DevelopmentData ModellingRelational DatabasesNoSQL DatabasesVector EmbeddingsKnowledge GraphsCI/CD Pipelines
Soft Skills
Problem-SolvingAnalytical SkillsCritical ThinkingAttention to DetailCommunication Skills
Tools & Technologies
PineconeMilvusWeaviateGlueDatabricksSynapseDataprocPostgreSQLDB2MongoDB
Certifications & Qualifications
Open Certified Technical Specialist with Data Engineering SpecializationAWS Certified Data Analytics – SpecialtyElastic Certified EngineerGoogle Cloud Professional Data EngineerMicrosoft Certified: Azure Data Engineer Associate
Industry Keywords
Cloud ModernizationData InfrastructureAutomated Data GuardrailsSemantic LayersSocial Coding

Tech Stack

Tools & technologies
AWSAzureCloudETLMongoDBNoSQLPostgres

About the role

Key responsibilities & impact
  • Design and scale Retrieval-Augmented Generation (RAG) pipelines
  • Transform unstructured IT logs and documentation into optimized vector embeddings
  • Maintain the health and performance of vector databases such as Pinecone, Milvus, or Weaviate
  • Build knowledge graphs and semantic layers
  • Create automated data guardrails to detect noise, bias, and personally identifiable information before it reaches models
  • Identify and resolve data quality issues at the source
  • Build, deploy, and maintain CI/CD pipelines for data infrastructure
  • Ensure data context remains fresh and reliable

Requirements

What you’ll need
  • Expertise in data mining, data storage and Extract-Transform-Load (ETL) processes
  • Experience in data pipeline development and tooling, e.g., Glue, Databricks, Synapse, or Dataproc
  • Experience with relational and NoSQL databases, including PostgreSQL, DB2, and MongoDB
  • Excellent problem-solving, analytical, and critical thinking skills
  • Ability to manage multiple projects simultaneously while maintaining attention to detail
  • Ability to communicate with technical and non-technical colleagues and translate business needs into technical requirements
  • Preferred: experience as a Data Engineer and/or in cloud modernization
  • Preferred: experience in data modelling
  • Preferred: professional certification, e.g. Open Certified Technical Specialist with Data Engineering Specialization
  • Preferred: cloud platform certification, e.g. AWS Certified Data Analytics – Specialty, Elastic Certified Engineer, Google Cloud Professional Data Engineer, or Microsoft Certified: Azure Data Engineer Associate
  • Preferred: understanding of social coding and IDEs, e.g. GitHub and Visual Studio
  • Preferred: degree in a scientific discipline such as Computer Science, Software Engineering, or Information Technology

Benefits

Comp & perks
  • Flexible, supportive environment
  • Well-being prioritized
  • Hybrid-friendly culture
  • Be Well programs supporting financial, mental, physical, and social health
  • Personalized development goals
  • Continuous feedback
  • Certifications with Microsoft, Google, and Amazon
  • Coaching and hands-on learning experiences
  • Cutting-edge learning opportunities
  • Career path and development tools