Senior Data Engineer

Cognizant; Asia; Presencial; PEN 303.000 - 371.000; Jornada completa

Descripción de la vacante

Cognizant seeks an experienced Senior Snowflake Data Engineer to design, develop, and optimize scalable cloud data warehouse and analytics platforms. You will build secure, analytics-ready data solutions using Snowflake, Python, DBT, and ETL/ELT frameworks.

Responsibilities include data ingestion, DBT modeling, automated validation, and CI/CD‑enabled delivery in an Agile environment. A strong emphasis on data quality, governance, and collaboration with BI teams is required.

Formación

• 10+ years in IT with data engineering and analytics platforms.
• 5+ years hands-on Snowflake and Python-based data engineering.
• SnowPro Core Certification preferred or completed.
• Experience across mining domain is a plus.

Responsabilidades

• Design and maintain Snowflake-based data warehouse and platform.
• Build data ingestion pipelines using Snowpipe, Python, APIs.
• Develop DBT models and transformations for business data.
• Implement automated data validation, auditing, and monitoring.
• Optimize Snowflake workloads for performance and cost efficiency.
• Enforce RBAC, secure data sharing, and data governance.
• Orchestrate ETL/ELT workflows with Airflow; ensure reliability.
• Collaborate with stakeholders, BI teams, and engineers in Agile teams.

Conocimientos

Snowflake

SQL

Python

DBT

ETL/ELT

Data warehousing

CSV/JSON/Parquet

Git/CI-CD

Agile/Scrum

AI workflows

Educación

SnowPro Core Certification

Herramientas

Informatica PowerCenter

Apache Airflow

Descripción del empleo

What makes Cognizant a unique place to work? The combination of rapid growth and an international and innovative environment! This is creating many opportunities for people like YOU people with an entrepreneurial spirit who want to make a difference in this world.

At Cognizant, together with your colleagues from all around the world, you will collaborate on creating solutions for the world's leading companies and help them become more flexible, more innovative, and successful. Moreover, this is your chance to be part of the success story.

Position Summary

We are looking for an experienced Senior Snowflake Data Engineer with strong expertise in designing, developing, and optimizing scalable cloud data warehouse and analytics solutions. The role requires hands-on experience in Snowflake, Python, DBT, SQL, ETL/ELT frameworks, and data pipeline orchestration. The candidate will be responsible for building secure, reliable, and analytics-ready data platforms using modern data engineering practices, including medallion architecture, automated ingestion, data quality validation, and CI/CD-enabled delivery.

Mandatory Skills

• Strong hands-on experience in Snowflake, including Snowpipe, Tasks, Time Travel, Cloning, RBAC, secure data sharing, and performance optimization.
• Advanced SQL and PL/SQL skills for data transformation, reconciliation, data quality checks, and complex reporting queries.
• Working knowledge of Python for automation, API-based extraction, data processing, and workflow orchestration.
• Experience with DBT for modular SQL transformations, lineage, testing, documentation, and confirmed-layer data modeling.
• Experience in ETL/ELT tools and frameworks such as Informatica PowerCenter, Apache Airflow, and cloud-based ingestion patterns.
• Strong understanding of data warehousing concepts, dimensional modeling, medallion architecture, and enterprise data platform design.
• Experience working with structured and semi-structured data formats such as CSV, JSON, and Parquet.
• Knowledge of Git-based version control, CI/CD processes, code reviews, and deployment management.
• Exposure to AI-enabled agentic workflows and solutions.
• Ability to collaborate with business stakeholders, BI teams, architects, and engineering teams in Agile/Scrum environments

Duties and Responsibilities

• Design, develop, and maintain scalable Snowflake-based data warehouse and enterprise data platform solutions.
• Build and manage data ingestion pipelines using Snowpipe, Python utilities, APIs, and cloud storage integrations.
• Develop DBT models and reusable SQL transformations to convert raw data into business-ready datasets for reporting and analytics.
• Implement automated data validation, reconciliation, auditing, and monitoring frameworks to ensure data accuracy, completeness, and compliance.
• Optimize Snowflake workloads, SQL queries, warehouse usage, and transformation logic for performance, scalability, and cost efficiency.
• Design and implement role-based access control, secure data sharing, and data governance practices within Snowflake.
• Orchestrate and monitor ETL/ELT workflows using Apache Airflow and related scheduling tools to ensure reliable production operations.
• Analyze source systems, profile data, identify key data elements, and implement data quality rules based on business and regulatory requirements.
• Collaborate with cross-functional teams to gather requirements, create technical designs, and deliver trusted analytics data products.
• Support Agile delivery ceremonies, mentor team members, conduct technical reviews, and provide production support to meet SLA commitments

Qualifications & Certifications (Optional)

• 10+ years of overall IT experience with strong exposure to data engineering, data warehousing, ETL/ELT development, and enterprise analytics platforms.
• 5+ years of hands‑on experience in Snowflake and Python-based data engineering solutions.
• SnowPro Core Certification preferred or completed.
• Experience across Mining domain enterprise data platforms is an added advantage.
• Strong problem-solving, communication, stakeholder management, documentation, and production support skills.

Salary Range:>$100,000

Date of Posting: 12-Aug-26

Cognizant is committed to providing Equal Employment Opportunities. Successful candidates will be required to undergo a background check.