Martech Transformation Lead

Harnham; Greater London; Hybrid; GBP 120,000 - 200,000; Full time

Job summary

Harnham is seeking a senior technology leader to shape architecture, platforms and data foundations for an AI-driven operating model in London. You will align technology, data and business stakeholders to enable scalable, intelligent customer experiences amidst a significant transformation.

The role demands governance discipline, delivery roadmaps and cross-functional influence across enterprise systems, with a focus on AI capabilities and data readiness in a regulated environment.

Qualifications

• Experience leading complex technology transformation programmes.
• Deep understanding of enterprise architecture, integration patterns, APIs, data architecture.
• Strong knowledge of AI and agentic technologies, including governance and data capabilities.
• Proven ability to define target state architectures and translate strategy into practical roadmaps.
• Experience influencing senior technology and business stakeholders.
• Strong understanding of technology governance, security, risk management and architectural assurance.
• Experience managing technology dependencies, supplier relationships and platform ownership.
• Exposure to marketing technology ecosystems (Adobe, Pega, Workfront, Microsoft) is desirable.
• Ability to engage confidently with senior technology leaders and executives, balancing technical and commercial considerations.

Responsibilities

• Define and govern the target technology architecture supporting an AI-enabled operating model.
• Develop platform integration strategies and pragmatic implementation roadmaps across enterprise systems.
• Assess technology and data readiness, identifying gaps, dependencies and key architectural risks.
• Coordinate technology, data and platform stakeholders to align delivery across multiple functions.
• Provide architectural assurance and challenge technology decisions to ensure scalable, sustainable outcomes.
• Oversee platform ownership, supplier engagement and governance frameworks within a regulated environment.

Skills

Technology transformation

Enterprise architecture

Integration patterns

APIs

Data architecture

AI governance

Delivery roadmaps

Stakeholder management

Security & risk

Platform ownership

Marketing tech ecosystems

Executive communication

Job description

London | Inside IR35

Hybrid - Minimum 2 days on site

Contract Length 3 - 6 months

This is a high impact transformation assignment for a senior technology leader who can shape the architecture, platforms and data foundations required to enable an AI-driven operating model. You will play a pivotal role in aligning technology, data and business stakeholders while ensuring complex enterprise platforms are ready to support future innovation at scale.

The Company

They are a large, complex organisation undertaking a significant technology and operating model transformation. With a strong focus on data, AI and platform modernisation, they are investing in the capabilities required to deliver more intelligent, connected and scalable customer experiences. This programme sits at the intersection of technology, data and business transformation, making it a highly visible and strategically important initiative.

The Role and Deliverables

• Define and govern the target technology architecture supporting an AI-enabled operating model.
• Develop platform integration strategies and pragmatic implementation roadmaps across enterprise systems.
• Assess technology and data readiness, identifying gaps, dependencies and key architectural risks.
• Coordinate technology, data and platform stakeholders to align delivery across multiple functions.
• Provide architectural assurance and challenge technology decisions to ensure scalable, sustainable outcomes.
• Oversee platform ownership, supplier engagement and governance frameworks within a regulated environment.

Your Skills & Experience

• Strong experience leading complex technology transformation, enterprise architecture or platform modernisation programmes.
• Deep understanding of enterprise architecture, integration patterns, APIs, data architecture and platform ecosystems.
• Strong knowledge of AI and agentic technologies, including the infrastructure, orchestration, governance and data capabilities needed to scale them effectively.
• Proven ability to define target state architectures and translate strategic objectives into practical delivery roadmaps.
• Experience navigating large enterprise technology landscapes and influencing senior technology and business stakeholders.
• Strong understanding of technology governance, security, risk management and architectural assurance.
• Experience managing technology dependencies, supplier relationships and platform ownership responsibilities.
• Exposure to marketing technology ecosystems such as Adobe, Pega, Workfront, Microsoft and related data or AI platforms is highly desirable.
• Ability to engage confidently with senior technology leaders and business executives, balancing technical and commercial considerations.