Principal Data & AI Architect 

Location: London
Work Pattern: Hybrid
Travel Requirements: Travel to customer and Mastek offices as required
Security Clearance: Eligible to obtain UK Government Security Clearance where required

About Mastek

Mastek Limited is a global provider of enterprise AI, digital, and cloud services, enabling clients to achieve measurable and sustainable returns on their technology investments. With a presence in over 40 countries and a workforce of nearly 5,000 professionals, Mastek delivers innovative technology solutions that help organisations accelerate transformation and unlock business value.

Through our Lead with AI approach, we integrate intelligence across our solutions and operations, enabling ethical, scalable, and domain-driven AI adoption. We partner with industry leaders including Oracle, Salesforce, Microsoft, AWS, Snowflake, and Databricks, delivering outcomes across sectors such as Healthcare, Financial Services, Retail, Manufacturing, Higher Education, and the Public Sector.

Guided by our core values of Trust, Value, and Velocity, we foster a culture of collaboration, innovation, continuous learning, and career growth.

About the Role

We are seeking a talented Principal Data & AI Architect to join our growing Data & AI Practice. This role offers the opportunity to lead complex digital transformation programmes, shape enterprise Data & AI strategies, and support high-value customer engagements across both public and private sector organisations.

As a Principal Data & AI Architect, you will work closely with sales teams, consulting leaders, architects, engineers, delivery teams, alliance partners, and executive stakeholders to define innovative technology solutions that create measurable business value. You will play a pivotal role in pre-sales, solution development, bid support, architecture governance, and service line growth.

Key Responsibilities

• Act as a trusted advisor to C-level executives, business leaders, and technical stakeholders.
• Lead Data & AI discovery workshops, assessments, and strategic advisory engagements.
• Define enterprise Data & AI roadmaps aligned to customer business objectives.
• Architect modern data platforms, AI solutions, analytics platforms, and cloud-native data ecosystems.
• Lead technical pre-sales activities, solution design, estimations, and proposal development.
• Support public sector bids, procurements, RFPs, and framework submissions.
• Drive innovation and thought leadership across Data & AI capabilities, offerings, and accelerators.
• Collaborate with strategic technology partners including Microsoft, Databricks, Snowflake, AWS, and Informatica.

Essential Skills & Experience

• 15+ years' experience within Data & Analytics, Data Engineering, or Enterprise Data Architecture.
• Strong experience designing enterprise-scale cloud data platforms using Microsoft Fabric, Databricks, Snowflake, Redshift, Informatica, and Spark-based technologies.
• Extensive expertise in Data Integration and Orchestration technologies including Azure Data Factory, Glue, APIs, MuleSoft, and Informatica.
• Proven experience with Data Governance, Metadata Management, Data Quality, Data Lineage, Master Data Management, and enterprise data catalogues.
• Strong knowledge of Generative AI, Agentic AI, Retrieval-Augmented Generation (RAG), LLM integration, Vector Databases, and AI governance frameworks.
• Significant experience leading technical pre-sales engagements and developing complex solution architectures.
• Demonstrable experience responding to large-scale public sector procurements, RFPs, and ITTs.

Desirable Skills

• Experience working within consulting or professional services organisations.
• Strong commercial awareness supporting large-scale digital transformation opportunities.
• Experience developing reusable accelerators, thought leadership content, and go-to-market offerings.

Qualifications

• Degree in Computer Science, Software Engineering, Data Science, Information Systems, or equivalent industry experience.
• Microsoft Certified: Azure Solutions Architect Expert.
• AWS Certified Solutions Architect – Professional.
• Databricks Certified Solution Architect (preferred).
• Snowflake SnowPro Advanced Certification (preferred).
• TOGAF Certification (desirable).

Why Join Mastek?

• Work on large-scale digital transformation programmes across public and private sector clients.
• Collaborate with highly skilled and diverse teams across multiple disciplines.
• Gain exposure to modern technologies, frameworks, and delivery methodologies.
• Access ongoing learning, professional development, and certification opportunities.
• Contribute to meaningful projects that have real-world impact.
• Be part of an inclusive culture that values innovation, teamwork, and continuous improvement.
• Enjoy clear career progression opportunities within a global technology organisation.

Our UK Benefits Include

• Competitive salary and annual bonus opportunities
• Hybrid and flexible working options
• Generous annual leave entitlement plus bank holidays
• Company pension scheme with employer contributions
• Private medical insurance (for self and dependants)
• Life assurance cover
• Employee Assistance Programme (EAP)
• Wellbeing initiatives and gym support
• Learning and development programmes, certifications, and professional training
• Employee recognition and reward schemes
• Cycle to Work scheme
• Employee referral bonus programme
• Enhanced family-friendly policies

Diversity & Inclusion

At Mastek, we are committed to building a diverse workforce and creating an inclusive environment where everyone can succeed. We welcome applications from all backgrounds and are proud to be an equal opportunities employer.

We believe diversity drives innovation and are dedicated to fostering a workplace where every employee feels valued, respected, and empowered to make an impact.

If you are passionate about Data & AI Architecture, Enterprise Data Platforms, AI Innovation, and Digital Transformation, and want to play a key role in delivering impactful solutions within a collaborative and forward-thinking organisation, we'd love to hear from you.

Apply today and help shape the future with Mastek.