Principal Consultant – AI & Data Science

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

As a Principal Consultant, you will provide technical and delivery leadership across some of our largest Data & AI engagements.

You will:

• Lead the end-to-end delivery of enterprise AI, Machine Learning and Data Science projects from discovery through to production deployment and value realization.
• Partner with business and technology leaders to identify opportunities where AI can solve meaningful business problems.
• Lead multidisciplinary teams of Data Scientists, ML Engineers, Data Engineers and Solution Architects.
• Design scalable AI solutions spanning predictive analytics, optimisation, forecasting, recommendation systems, natural language processing and Generative AI.
• Guide clients through the full Machine Learning lifecycle including experimentation, feature engineering, model development, deployment, monitoring and continuous improvement.
• Design modern AI architectures using Azure, Databricks and Snowflake ecosystems.
• Help clients establish production-ready AI capabilities including MLOps, Responsible AI, model governance and AI operating models.
• Lead client workshops, architecture reviews and executive steering committees.
• Shape solution approaches during pre-sales engagements, RFx responses and proposal development.
• Mentor senior consultants, Data Scientists and ML Engineers while helping grow NTT DATA's AI capability.
• Contribute to reusable frameworks, accelerators, reference architectures and thought leadership across AI and Data Science.

What will make you successful

We're looking for someone who combines deep technical capability with strong consulting and leadership experience.

Essential Experience

• 12+ years' experience delivering enterprise Data Science, Machine Learning or AI solutions.
• Demonstrated experience leading complex AI projects from business problem definition through to production deployment.
• Strong consulting experience working directly with enterprise clients and executive stakeholders.
• Experience leading multidisciplinary delivery teams across Data Science, Machine Learning, Data Engineering and Architecture.
• Proven ability to balance technical leadership with commercial outcomes and client relationship management.

Technical Expertise

You will bring deep practical experience across several of the following areas:

• Machine Learning
• Data Science
• Statistical modelling
• Predictive analytics
• Forecasting
• Optimisation
• Recommendation engines
• Natural Language Processing (NLP)
• Computer Vision (desirable)
• Deep Learning
• Feature engineering
• Model evaluation and experimentation
• Production AI systems
• MLOps
• Model monitoring and governance

You should also have practical experience with modern Generative AI technologies including:

• Large Language Models (LLMs)
• Retrieval Augmented Generation (RAG)
• AI orchestration frameworks
• Prompt engineering
• Vector databases
• Agentic AI architectures
• AI evaluation frameworks
• Responsible AI

Technology Experience

Strong experience with several of the following:

• Python
• SQL
• Spark
• Databricks
• Azure AI Services
• Azure Machine Learning
• Microsoft Fabric (desirable)
• Snowflake
• MLflow
• Git
• CI/CD
• Docker
• Kubernetes (desirable)

Consulting & Leadership

You will also demonstrate:

• Excellent client engagement and stakeholder management skills.
• The ability to communicate complex technical concepts to executive audiences.
• Experience leading workshops, discovery sessions and solution design engagements.
• Commercial awareness with experience supporting proposals, RFx responses and solution estimation.
• Strong mentoring and coaching capability.
• A passion for developing AI capability and growing technical teams.

What we're looking for

The successful candidate will have personally built and delivered AI solutions—not simply advised organizations on AI strategy.

You'll be recognized by peers as someone who understands how Machine Learning works in practice, can engage confidently with senior executives, and enjoys helping organizations adopt AI responsibly and at scale.

You are equally comfortable discussing model performance with Data Scientists as you are presenting AI roadmaps to CIOs and business executives.

Highly Desirable

• Master's or PhD in Computer Science, Statistics, Mathematics, Data Science or a related quantitative discipline.
• Azure AI Engineer Associate, Azure Data Scientist Associate, Databricks Machine Learning Professional, Snowflake AI or equivalent certifications.
• Experience building enterprise MLOps capabilities.
• Experience establishing Responsible AI governance frameworks.
• Experience delivering AI solutions in regulated industries.
• Contributions to open-source AI projects, publications or conference presentations.

#LIAPAC

Workplace type:

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 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

Third parties fraudulently posing as NTT DATA recruiters 

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.