Role Overview
StarZen is hiring a Senior ETL Developer(Telecom). This is a full-time hybrid role, based in Gurugram. posted 3 days ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
Senior ETL Designer & Developer (Telecom)
Overview
We are seeking a Senior ETL Designer & Developer to design, build, and support enterprise-scale data integration and analytics solutions across Informatica PowerCenter, 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
ETL & Data Engineering
- Design, develop, and maintain ETL/ELT workflows using Informatica PowerCenter
- Build scalable batch and near real-time data pipelines
- Develop reusable mappings, workflows, and transformation logic
- Automate ETL processes using Unix shell scripting
Data Warehouse (Teradata)
- Work extensively with Teradata Enterprise Data Warehouse (EDW) environments
- Apply strong, hands-on experience with Teradata CLDM (Common Logical Data Model)
- Design and manage EDW layered architecture (Staging, ODS, EDW, Data Marts)
- Drive Teradata performance optimization, including:
- Explain plan analysis
- Partitioning strategies
- Join/index optimization (PI, NUSI, etc.)
- Query tuning and workload management
- Write complex Teradata SQL for transformations across large datasets
- Design and optimize dimensional models (star/snowflake schemas)
Cloud Data Engineering
- Develop solutions on Google Cloud Platform (BigQuery, Dataflow, Cloud Storage, Pub/Sub)
- Implement and support hybrid architectures integrating on-prem EDW with cloud systems
BI, Reporting & Data Virtualization
- Support enterprise BI tools: SAP BusinessObjects, Qlik Sense, and Looker
- Support ad-hoc reporting requirements from business users using EDW and BI layers
- Work with the Denodo Platform for federated data access, performance optimization, and logical data modeling
Telecom Domain
- Operate within telecom OSS/BSS data environments
- Apply hands-on knowledge of:
- CDR/IPDR data processing
- Billing, CRM, and subscriber lifecycle data
- Network performance, fault, and mediation systems
- Understand telecom KPIs (ARPU, churn, usage patterns, QoS metrics)
- Handle high-volume, complex telecom datasets
Scripting & Performance Optimization
- Apply strong Unix shell scripting for automation, scheduling, and monitoring
- Perform advanced Teradata tuning for large-scale workloads
- Optimize ETL jobs, SQL queries, and EDW processes for scalability and efficiency
- Troubleshoot pipeline failures and ensure system reliability
Required Skills
- 7+ years of experience in ETL development and data warehousing
- Strong hands-on experience with Informatica PowerCenter
- Deep expertise in Teradata EDW, including CLDM and optimization techniques
- Strong Teradata SQL coding and performance tuning skills
- Experience with EDW architecture (Staging, ODS, EDW, Data Marts)
- Advanced SQL and data modeling (Kimball/Inmon)
- Experience with Google Cloud Platform data services
- Unix shell scripting for automation
- Telecom domain experience
Preferred Skills
- Cloud migration experience (on-prem EDW to GCP)
- Python or additional scripting/automation skills
- CI/CD pipelines for data engineering workflows
- Experience with BI semantic layers and enterprise reporting frameworks
- Experience supporting ad-hoc business reporting in enterprise environments
Soft Skills
- Strong communication and stakeholder management
- Analytical thinking and strong problem-solving ability
- Comfortable in agile, fast-paced environments
- Strong ownership mindset with focus on data quality and delivery
About StarZen
StarZen
starzen.in
Frequently Asked Questions
How do I apply for the Senior ETL Developer(Telecom) position at StarZen?
Use the Apply button above to submit your application directly to StarZen. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Is the Senior ETL Developer(Telecom) role at StarZen remote or in-office?
This is a hybrid role based in Gurugram. Expect a mix of in-office and remote days, with the specific cadence set by the hiring manager.
What does a Senior ETL Developer(Telecom) at StarZen earn?
StarZen has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior ETL Developer(Telecom) role at StarZen posted?
This role was posted on June 23, 2026 (3 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior ETL Developer(Telecom) role at StarZen require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. StarZen lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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