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Senior Big Data Engineer | Hadoop | Spark | Python | PL/SQL | ETL

Cognizant
Posted on
Cognizant logo

Experience
6 - 11 yrs
Salary (CTC)
₹14.6L - ₹21.1L
Job Location
Chennai, India
Vacancy
1
Designation
Senior Big Data Engineer
Job Type
Not specified

Job Description

Job Description

Position

Senior Associate Projects (Big Data Engineer)

Experience

6 – 10 Years

Location

Chennai (Hybrid)

Shift

Day Shift

Job Summary

We are seeking a highly skilled Big Data Engineer with expertise in Hadoop, Spark, Python, PL/SQL, and ETL Tools to design, develop, and optimize large-scale data processing solutions. The ideal candidate will be responsible for building scalable data pipelines, ensuring data quality, and enabling data-driven decision-making across the organization.

The role requires hands-on experience in big data technologies, data integration, data transformation, and performance optimization within enterprise environments.

Mandatory Skills

  • Hadoop
  • Apache Spark
  • Python
  • PL/SQL
  • ETL Tools
  • Data Gap Analysis
  • Data Integration
  • SQL

Key Responsibilities

  • Design, develop, and maintain scalable data pipelines using Hadoop and Spark.
  • Build and optimize ETL workflows to extract, transform, and load data from multiple sources.
  • Perform data gap analysis and implement solutions to improve data quality and consistency.
  • Develop complex PL/SQL procedures, functions, packages, and performance-tuned queries.
  • Use Python to automate data processing, workflow orchestration, and reporting activities.
  • Monitor, troubleshoot, and optimize big data applications and ETL jobs.
  • Collaborate with business stakeholders and technical teams to gather requirements and deliver data solutions.
  • Ensure data integrity, security, and compliance with organizational standards.
  • Participate in code reviews and implement best practices for scalable data engineering solutions.
  • Improve system performance through tuning, optimization, and process enhancements.
  • Document technical designs, data flows, and operational procedures.

Required Qualifications

  • 6–10 years of experience in Data Engineering or Big Data Development.
  • Strong hands-on experience with Hadoop ecosystem components.
  • Expertise in Apache Spark for large-scale data processing.
  • Experience with ETL tools and data integration projects.
  • Strong proficiency in Python programming.
  • Advanced knowledge of PL/SQL and database optimization techniques.
  • Experience working with structured and unstructured data.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and stakeholder management skills.

Preferred Certifications

  • Certified Hadoop Developer
  • Apache Spark Certification
  • Python Programming Certification

Why Join Us?

  • Work on enterprise-scale Big Data platforms.
  • Exposure to cutting-edge data engineering technologies.
  • Opportunity to collaborate with cross-functional teams on high-impact projects.
  • Hybrid work environment with excellent growth opportunities.