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Infosys

Senior Data Engineer – Telecom OSS, ETL & Analytics (Python, Airflow)

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Infosys

Chennai Full-Time 4–8 yrs exp Posted 1 day ago  · Apply by Sep 14, 2026

ABOUT THE ROLE


We are looking for a highly skilled Senior Data Engineer – Telecom OSS, ETL & Analytics (Python, Airflow) with strong expertise in Telecom OSS, Data Engineering, ETL Development, Python, Apache Airflow, and Data Analytics. The ideal candidate will play a key role in building scalable data platforms, automation frameworks, ETL pipelines, and analytics solutions that drive operational efficiency and data-driven decision-making within telecom environments.

This role requires hands-on experience in processing large-scale telecom datasets, developing data orchestration frameworks, implementing reporting and analytics solutions, and leveraging AI/ML concepts to enhance operational intelligence. The candidate will work closely with clients, business stakeholders, and engineering teams to deliver high-performance data solutions.


Experience: 5–10 Years


Location: Chennai


Qualification: B.E./B.Tech in Computer Science, Information Technology, Data Science, Engineering, or equivalent


RESPONSIBILITIES


  • Design, develop, and maintain large-scale ETL pipelines and data integration frameworks for Telecom OSS systems.
  • Develop scalable data engineering solutions for structured, semi-structured, and operational telecom datasets.
  • Build and manage workflow orchestration pipelines using Apache Airflow.
  • Develop data analytics, reporting, and dashboard solutions to support operational and business intelligence requirements.
  • Collaborate with business stakeholders and technical teams to understand data requirements and deliver effective solutions.
  • Implement data validation, reconciliation, transformation, and data quality processes.
  • Optimize SQL queries, ETL jobs, and database performance for high-volume data workloads.
  • Develop automation and analytics solutions using Python and Shell Scripting.
  • Support Telecom Network Analytics, Service Assurance, Fault Management, and Performance Management initiatives.
  • Participate in predictive analytics, anomaly detection, and AI/ML-driven use cases.
  • Troubleshoot complex production issues and perform root cause analysis for data and application-related challenges.
  • Contribute to cloud adoption, data modernization, and platform optimization initiatives.
  • Follow DevOps, CI/CD, and Agile development best practices.
  • Participate in technical discussions, architecture reviews, and solution recommendations.
  • Mentor junior engineers and promote engineering best practices across teams.
  • Work independently on client requirements and collaborate effectively with cross-functional teams.


QUALIFICATIONS


  • Bachelor’s Degree in Computer Science, Information Technology, Data Science, Engineering, or a related field.
  • 5–10 years of overall IT experience.
  • Minimum 5+ years of experience in ETL Development, Data Engineering, and Analytics solutions.
  • Minimum 3+ years of hands-on experience in:
  • Telecom OSS
  • ETL Development
  • Data Analytics
  • Apache Airflow
  • Python Development
  • SQL & Database Technologies
  • Strong experience delivering enterprise-scale analytics and data engineering solutions.
  • Experience working with telecom operational and network data ecosystems.
  • Excellent analytical, troubleshooting, and problem-solving skills.


REQUIRED SKILLS


Telecom OSS & Domain Expertise

  • Strong hands-on experience in Telecom OSS (Operations Support Systems).
  • Experience working with Telecom Network Analytics.
  • Understanding of Service Assurance systems.
  • Experience in Fault Management systems.
  • Knowledge of Performance Management systems.
  • Experience handling telecom operational and network datasets.

Data Engineering & ETL

  • ETL Development.
  • Data Engineering and Data Integration.
  • Large-Scale Data Processing.
  • Data Pipeline Development.
  • Data Validation, Reconciliation, and Transformation.
  • Performance Tuning and Optimization.

Data Analytics

  • Data Analytics and Reporting.
  • Data-Driven Decision Making.
  • Dashboarding and Operational Reporting.
  • Analytics Solution Development.

Programming & Development

  • Python Development.
  • SQL and Database Development.
  • Database Performance Optimization.
  • Shell Scripting.
  • Unix/Linux Environments.

Workflow Orchestration

  • Apache Airflow.
  • Workflow Automation.
  • Job Scheduling and Monitoring.

AI/ML Fundamentals

  • AI and Machine Learning Concepts.
  • Predictive Analytics.
  • Anomaly Detection.
  • Data Science Fundamentals.

Problem Solving

  • Debugging and Troubleshooting.
  • Root Cause Analysis.
  • Analytical Thinking.
  • Performance Optimization.

Collaboration & Leadership

  • Technical Discussions and Solution Design.
  • Stakeholder Communication.
  • Team Mentoring.
  • Engineering Best Practices.


PREFERRED SKILLS

Machine Learning & Advanced Analytics

  • Scikit-Learn
  • TensorFlow
  • PyTorch
  • Predictive Analytics Models
  • Machine Learning Solution Development

Data Platforms & Architecture

  • Data Lake Technologies
  • Data Warehouse Solutions
  • Big Data Ecosystems
  • Modern Data Architectures

Telecom Analytics

  • Telecom Network Analytics
  • Service Assurance Analytics
  • Fault Management Analytics
  • Performance Management Analytics

Visualization & Reporting

  • Power BI
  • Tableau
  • Grafana
  • Advanced Reporting Frameworks

Cloud Technologies

  • AWS
  • Microsoft Azure
  • Google Cloud Platform (GCP)

DevOps & Engineering Practices

  • CI/CD Pipelines
  • DevOps Methodologies
  • Agile Development Practices

Leadership & Technical Growth

  • Team Leadership
  • Technical Mentoring
  • Architecture Reviews
  • Technical Governance
  • Client and Stakeholder Engagement
  • Cross-Functional Collaboration