AWS Data Engineer

Stackstudio Digital Ltd.
London
1 day ago
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Job title: AWS Data Engineer
Location: Ipswich (Onsite- 5 days)
Type of Employment- Permanent
Job Overview:

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

  1. Data Engineering & ETL Development
    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).
  2. 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.
  3. 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).
  4. 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.
  5. Storage (S3) & Data Lake Architecture
    Design secure, cost-efficient

    S3 data lake

    structures (bronze/silver/gold zones).
    Implement data lifecycle policies, versioning, and partitioning strategies.
    Ensure data governance, metadata quality, and security (IAM, Lake Formation).
  6. Telecom Domain Expertise
    Understand telecom-specific datasets such as:

    CDR, xDR, subscriber data
    Network KPIs (4G/5G tower logs)
    Customer lifecycle & churn data
    Billing & revenue assurance

    Build models and pipelines to support

    network analytics, customer 360, churn prediction, fraud detection , etc.
  7. 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.
  8. DevOps & CI/CD (Preferred)
    Use

    Git, CodePipeline, Terraform/CloudFormation

    for infrastructure and deployments.
    Automate pipeline deployment and monitoring.
    Required Skills
    3 10 years

    experience in data engineering.
    Strong hands-on experience with:

    AWS S3, Athena, Glue, Redshift, EMR/Spark
    Apache Iceberg
    Python/SQL

    Experience in

    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).
    Exposure to

    5G network data models .

    TPBN1_UKTJ

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