Technical Consultant - AWS Cloud Migration

NTT DATA Global Delivery Services Ltd; Bengaluru; On-site; INR 900,000 - 1,300,000; Full time

Job summary

NTT DATA Global Delivery Services Ltd is seeking a Tech Consultant – Migration AWS to join our Bangalore team. The role focuses on migrating a cloud data warehouse to Amazon S3, mapping data consumers, and ensuring zero disruption during the transition.

You will bridge technical analysis with cross-functional coordination in a high-visibility project. The Data Consumer Analyst will map data lineage, validate usage patterns, and coordinate with business stakeholders to prioritize migration waves,

Qualifications

• Experience with data lakes and data warehouse migrations.
• Strong SQL skills across RDBMS and NoSQL systems.
• Hands-on Python (OOP) experience.
• Cloud experience with Amazon S3.
• Automation scripting and pipelines.

Responsibilities

• Discover and inventory all on-premise data consumers.
• Map end-to-end data lineage from source systems through transformations to consumption points.
• Validate actual data usage patterns to distinguish active dependencies from obsolete ones.
• Analyze query and access logs to quantify usage frequency, criticality, and performance requirements.
• Coordinate across technical and business teams to confirm requirements, resolve ambiguities, and prioritize migration waves.
• Document findings in clear, actionable artifacts for engineering and stakeholder teams.
• Automate discovery and analysis workflows to accelerate the mapping process.
• Support migration planning by flagging risks, gaps, and impact areas before cutover.

Skills

Data lakes & data warehouses

Advanced SQL

Python (OOP)

AWS (S3)

Automation pipelines

Tools

Power BI

Tableau

Job description

Tech Consultant – Migration AWS Req ID: 391943 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization,

We are currently seeking a Tech Consultant – Migration AWS to join our team in Bangalore, Karnātaka (IN-KA), India (IN). Data Consumer Analyst – Cloud Data Warehouse Migration (AWS) Experience – 5+ years Location – Bangalore, Five days work from office.

Role Summary

We are embarking on a strategic migration of our data infrastructure from an on‑premise data warehouse to a modern, Amazon S3‑based cloud data warehouse. As our Data Consumer Analyst, you will be the person who maps the full landscape of who uses our data and how. You will discover, document, and analyze every report, downstream application, BI pipeline, and business team that depends on the existing warehouse - ensuring a seamless, zero disruption migration. This is a high‑visibility role that bridges deep technical analysis with cross functional coordination, directly safeguarding business continuity throughout the transition.

Key Responsibilities

• Discover and inventory all on‑premise data consumers, including reports, downstream applications, BI pipelines, and business teams.
• Map end‑to‑end data lineage from source systems through transformations to consumption points.
• Validate actual data usage patterns to distinguish active dependencies from obsolete ones, informing migration and decommissioning decisions.
• Analyze query and access logs to quantify usage frequency, criticality, and performance requirements.
• Coordinate across technical and business teams to confirm requirements, resolve ambiguities, and prioritize migration waves.
• Document findings in clear, actionable artifacts (dependency maps, consumer catalogs, risk registers) for engineering and stakeholder teams.
• Automate discovery and analysis workflows to accelerate the mapping process and improve accuracy.
• Support migration planning by flagging risks, gaps, and impact areas before cutover.

Required Qualifications

• Proven experience with data lakes, data warehouses, and complex data migration projects.
• Strong understanding of both RDBMS and NoSQL databases, with advanced SQL querying skills.
• Hands‑on proficiency in at least one object‑oriented programming language (Python preferred).
• Practical cloud platform experience, with an emphasis on Amazon S3.
• Demonstrated hands‑on automation experience (scripting, pipelines, or tooling).
• Exceptional communication, problem‑solving attitude, and analytical aptitude to interface effectively with diverse technical and business stakeholders.

Preferred Qualifications (Pluses)

• Experience building or leveraging AI agents for workflow automation.
• Active AWS certifications (e.g., AWS Certified Data Engineer, AWS Certified Solutions Architect).
• Hands‑on experience with Business Intelligence tools (e.g., Power BI, Tableau).

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise‑scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start‑up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D. Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in‑office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees.

NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

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