Aws Data Engineer; Telecom Domain

Position: Aws Data Engineer (Telecom Domain)

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Direct message the job poster from BULLIT MANAGEMENT SERVICES LIMITED

We are seeking an experienced
AWS Data Engineer
with strong expertise in
ETL pipelines, Redshift, Iceberg, Athena, and S3
to support large-scale data processing and analytics initiatives in the
telecom domain
. The candidate will work closely with data architects, business analysts, and cross‑functional teams to build scalable and efficient data solutions supporting network analytics, customer insights, billing systems, and telecom OSS/BSS workflows.

Key Responsibilities

• Design, develop, and maintain
  ETL/ELT pipelines
  using AWS‑native services (Glue, Lambda, EMR, Step Functions).
• Implement data ingestion from telecom systems like
  OSS/BSS, CDRs, mediation systems, CRM, billing, network logs
  .
• Optimize ETL workflows for large‑scale telecom datasets (high volume, high velocity).

Data Warehousing (Redshift)

• Build and manage scalable
  Amazon Redshift
  clusters for reporting and analytics.
• Create and optimize
  schemas, tables, distribution keys, sort keys
  , and workload management.
• Implement Redshift Spectrum to query data in S3 using external tables.

Data Lake & Iceberg

• Implement and maintain
  Apache Iceberg
  tables on AWS for schema evolution and ACID operations.
• Build Iceberg‑based ingestion and transformation pipelines using Glue, EMR, or Spark.
• Ensure high performance for petabyte‑scale telecom datasets (CDRs, tower logs, subscriber activity).

Querying & Analytics (Athena)

• Develop and optimize
  Athena
  queries for operational and analytical reporting.
• Integrate Athena with S3/Iceberg for low‑cost, serverless analytics.
• Manage Glue Data Catalog integrations and table schema management.

Storage (S3) & Data Lake Architecture

• Implement data lifecycle policies, versioning, and partitioning strategies.
• Ensure data governance, metadata quality, and security (IAM, Lake Formation).

Telecom Domain Expertise

• Understand telecom‑specific datasets such as:
  • Network KPIs (4G/5G tower logs)
  • Billing & revenue assurance
• Build models and pipelines to support
  network analytics, customer 360, churn prediction, fraud detection
  , etc.

Performance Optimization & Monitoring

• Tune Spark/Glue jobs for performance and cost.
• Monitor Redshift/Athena/S3 efficiency and implement best practices.
• Perform data quality checks and validation across pipelines.

Dev Ops & CI/CD (Preferred)

• Use
  Git, Code Pipeline, Terraform/Cloud Formation
  for infrastructure and deployments.
• Automate pipeline deployment and monitoring.

Required Skills

• 3–10 years
  experience in data engineering.
• Strong hands‑on experience with:
  • Python/SQL
  • Telecom data pipelines and handling large‑scale structured/semi‑structured data.
  • Strong problem‑solving, optimization, and debugging skills.

Good to Have Skills

• Knowledge of
  AWS Lake Formation
  ,
  Kafka/Kinesis
  ,
  Airflow
  , or
  Delta/Apache Hudi
  .
• Experience with ML workflows in telecom (churn, network prediction).

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Information Technology

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