Senior Test Specialist - Cloud ETL, DW Automation
India
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Job Description
Senior Test Specialist - Cloud ETL, DW Automation
Chennai, Tamil Nadu

Job Summary

Storage Protocols & Basics Understand IO patterns on disks and how disk performance affects backup/recovery Knowledge of storage grouping constructs: appsets, hostsets, VVsets SAN Administration Understand and configure iSCSI, Fibre Channel (FC), and NVMe basics Export volumes/LUNs to hosts and create/format partitions in Linux/Windows environments Snapshot and Backup In-depth understanding of snapshot creation, management, and its role in backup strategies REST API Client Setup & API Fundamentals Install, configure, and use REST API clients (such as Postman, CURL, etc.) Understand RESTful methods: POST, PUT, PATCH, DELETE, GET, etc. Call Formation & Usage Formulate required API requests based on REST API specifications or documentation Interpret API responses and troubleshoot Operating Systems Windows and Linux Administration Basic OS installation, configuration, and troubleshooting for Windows and Linux Storage Connectivity & Multipathing Configure MPIO (Multi-Path IO), and set up FC/iSCSI LUN connections on both OS platforms Run and monitor disk I/O workloads on both operating systems Application Basics Install and configure common applications such as SQL Server, Oracle, etc. (optional but advantageous) Backup and Recovery Backup Types & Strategies Understanding of different types of backup: Full, Incremental, Differential, and Optimized backups Restore & Recovery Perform restores at file, volume, and VM levels Cloning & Copy Data Management Create and manage clones of backup data or production volumes VMware ESXi and vCenter Installation & Configuration Install and configure VMware ESXi hosts and vCente

Key Responsibilities

1. Develop and execute automated test scripts for etl processes and data pipelines.
2. Collaborate with cross functional teams to design and implement automated testing frameworks.
3. Create test plans and test cases for etl and data warehouse testing.
4. Identify and troubleshoot issues in data transformations and data loading processes.
5. Conduct performance testing and ensure scalability of data pipelines.
6. Implement best practices for data quality assurance in etl environments.

Skill Requirements

1. Proficiency in cloud based automation testing tools like selenium, appium, or similar.
2. Experience in automation testing of etl (extract, transform, load) processes and data warehousing.
3. Strong understanding of sql for data querying and validation.
4. Knowledge of big data technologies such as hadoop, spark, or kafka is a plus.
5. Familiarity with scripting languages like python, java, or shell scripting.
6. Excellent analytical and problem-solving skills with a keen attention to detail.
7. Ability to work collaboratively in a team environment and good communication skills.

Other Requirements

1.Relevant certifications in Automation Testing, ETL Testing, or Cloud technologies are a plus.
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.