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Senior ETL Designer & Developer
Job Description & How to Apply Below
We are seeking a Senior ETL Designer & Developer to design, build, and support enterprise-scale data integration and analytics solutions across Informatica Power Center, Teradata EDW, and Google Cloud Platform (GCP). The role involves developing scalable ETL pipelines, enabling telecom data processing, supporting enterprise reporting (including ad-hoc analytics), and optimizing large-scale EDW environments.
Key Responsibilities- Design, develop, and maintain ETL/ELT workflows using Informatica Power Center
- Build scalable batch and near real-time data pipelines
- Develop reusable mappings, workflows, and transformation logic
- Automate ETL processes using Unix shell scripting
- Work extensively with Teradata Enterprise Data Warehouse environments
- Strong experience with Teradata CLDM (Common Logical Data Model)
- Design and manage EDW layered architecture (Staging, ODS, EDW, Data Marts)
- Extensive expertise in Teradata performance optimization techniques including:
- Explain plan analysis
- Query tuning and workload management
- Strong Teradata SQL coding expertise for complex transformations and large datasets
- Design and optimize dimensional models (star/snowflake schemas)
- Develop solutions on Google Cloud Platform (Big Query, Dataflow, Cloud Storage, Pub/Sub)
- Implement and support hybrid data architectures integrating on-prem EDW with cloud systems:
- SAP Business Objects
- Qlik Sense
- Looker
- Support ad-hoc reporting requirements from business users using EDW and BI layers
- Work with Denodo Platform for federated data access, performance optimization, and logical data modeling
- Strong experience in telecom OSS/BSS data environments
- Hands‑on knowledge of:
- CDR/IPDR data processing
- Billing, CRM, and subscriber lifecycle data
- Network performance, fault, and mediation systems
- Understanding of telecom KPIs (ARPU, churn, usage patterns, QoS metrics)
- Experience handling high-volume, complex telecom datasets
- Strong expertise in Unix shell scripting for automation, scheduling, and monitoring
- Advanced Teradata performance tuning and optimization for large-scale workloads
- Optimize ETL jobs, SQL queries, and EDW processes for scalability and efficiency
Position Requirements
10+ Years
work experience
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