Optimisation Principal

Vmlenterprisesolutions; Greater London; On-site; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Discretionary bonus

Training opportunities

Medical insurance

Life assurance

Social events

Holiday purchase/sell

Family-friendly policies

Retail discounts

Job summary

WPP Enterprise Solutions in London seeks an experienced Optimisation Principal to lead experimentation-led growth initiatives for global clients. You will define data-driven growth strategies and champion a culture of continuous testing and learning.

You will integrate modern tech stacks, manage global programs, and report ROI to senior stakeholders. The role requires visionary leadership, deep analytics, and cross-functional influence across product, engineering, marketing and data science.

Qualifications

• Experienced in leading global growth and optimisation initiatives.
• Ability to translate data into strategic growth actions.
• Strong stakeholder management across regions and functions.

Responsibilities

• Define and deploy ELG frameworks tailored to client objectives.
• Lead cross-functional teams to design, run and analyse experiments.
• Communicate performance forecasts and ROI via executive summaries.
• Oversee global program delivery, budgets, and timelines.

Skills

Visionary Leadership

Technical Stack Expertise

Experimentation

Analytics

CDP & Personalisation

CMS & Data Infra

Data & Statistical Rigour

Program Execution

Cross-Functional Collaboration

Tools

Adobe Target

Optimizely

GA4

Adobe Analytics

Amplitude

Segment

Tealium

Dynamic Yield

Braze

AEM

Sitecore

Job description

Who We Are

WPP Enterprise Solutions designs, builds, and operates the growth systems that competitive businesses rely on. In a world where Al is reshaping how companies drive growth, we lead clients in business transformation and marketing modernization, connecting strategy directly to execution. Our 12,000 experts in engineering and platforms, commerce, consulting, content transformation, CRM, and CX work within a unified global operating unit across 40+ markets. WPP Enterprise Solutions works alongside best-in-class partners including Adobe, AWS, Braze, Google, Microsoft, Salesforce, and Shopify, as well as innovators in AI, to deliver growth solutions tailored to the needs of our clients’ businesses. VML, part of WPP, supports WPP Enterprise Solutions by helping brands activate transformation through creativity and experience.

We are seeking an experienced Optimisation Principal to lead experimentation-led growth (ELG) initiatives for our key global clients. In this role, you will define and execute data-driven growth strategies, champion a culture of continuous testing and learning, and integrate modern tech stacks to deliver measurable ROI and long-term business impact.

What You’ll Be Doing

1. Strategy & Innovation

• Drive Growth Strategy: Define and deploy scalable Experimentation-Led Growth (ELG) frameworks, methodologies, and best practices tailored to client business objectives.
• Cultivate Testing Culture: Champion an evidence-driven mindset across client organisations, shifting teams from basic A/B testing to sophisticated, hypothesis-led experimentation.
• Insights to Action: Lead cross-functional teams in designing, executing, and analysing experiments, translating complex data into strategic growth initiatives.

2. Global Client & Stakeholder Partnership

• Strategic Ownership: Act as the principal advisor for all global optimisation activities, building trusted relationships with senior client stakeholders across diverse regions.
• Performance Storytelling: Deliver strategic forecasting, executive-level performance reporting, and actionable recommendations tied to core business KPIs.

3. Program & Commercial Management

• End-to-End Delivery: Oversee global program operations, managing resources, timelines, and budgets to ensure on-schedule, in-scope execution.
• Commercial Rigour: Maximise resource allocation, monitor program throughput, and rigorously measure ROI to justify financial investment.

4. Technical Solution Architecture

• Tech Stack Integration: Architect integrated technical solutions, ensuring seamless interoperability across experimentation platforms, analytics suites, CMSs, CDPs, and personalisation engines.
• Infrastructure Guidance: Oversee technical planning and delivery to ensure underlying data pipelines and tools effectively support client growth targets.

What We’re Looking For

• Visionary Leadership: Extensive experience leading global growth/optimisation strategies, driving organisational change, and managing multi-region client portfolios.
• Deep Technical Stack Expertise: Hands-on mastery and architectural understanding of:
• Experimentation: Adobe Target, Optimizely (client/server-side, statistical rigor).
• Analytics: GA4, Adobe Analytics, Amplitude (segmentation, event tracking).
• CDP & Personalisation: Segment, Tealium, Dynamic Yield, Braze (data unification, activation, real-time engines).
• CMS & Data Infra: AEM, Sitecore, data warehousing, governance, and pipelines.
• Data & Statistical Rigour: Advanced proficiency in statistical analysis for A/B testing, data synthesis, and translating metrics into business strategy.
• Flawless Program Execution: Demonstrated ability in Agile/Waterfall delivery, resource planning, risk management, and budget oversight for complex, global accounts.
• Cross-Functional Collaboration: Strong influencer capable of uniting product, engineering, marketing, and data science teams around shared growth goals.

What we can offer you:

Alongside the opportunity to work with some of the most exciting brands around the world, we’ll also prioritise your career development and help you grow your skills. We’ll empower you to make a difference, allow you to be yourself, and respect who you are.

Permanent only:
We offer a great benefits package including a discretionary bonus scheme, training opportunities, competitive pension, medical insurance, life assurance, social events, opportunities to buy and sell holidays, family friendly policies, discounts with hundreds of retailers and much more.

Our culture thrives on our core values, designed for impact-driven individuals: Heart, Brains and Courage.

We lead withHeart, fostering empathy and trust where genuine connections and human-centric work flourish.
We empower yourBrainsfor innovation, valuing relentless curiosity and collaborative intelligence to solve complex challenges.
And we championCourage, inspiring you to speak up, embrace experimentation, and advocate for bold solutions that push our thinking to be better than yesterday.

At WPP Enterprise Solutions

WPP Enterprise Solutions designs, builds, and operates the growth systems that competitive businesses rely on. In a world where Al is reshaping how companies drive growth, we lead clients in business transformation and marketing modernisation, connecting strategy directly to execution.

Our 12,000 experts in engineering and platforms, commerce, consulting, content transformation, CRM, and CX, work within a unified global operating unit across 40+ markets. WPP Enterprise Solutions works alongside best-in-class partners including Adobe, AWS, Braze, Google, Microsoft, Salesforce, and Shopify, as well as innovators in AI, to deliver growth solutions tailored to the needs of our clients’ businesses. We have received distinction as a leader in Commerce Services and CX Strategy Consulting by the Forrester Wave™

To find out more, visit enterprisesolutions.wpp.com and follow us on LinkedIn.

WPP Enterprise Solutions is part of WPP, the trusted growth partner for the world's leading brands. Powered by exceptional talent and our agentic marketing platform WPP Open, WPP unites cutting-edge media intelligence and data solutions, creativity, production, enterprise solutions and expert strategic counsel.

About WPP

WPP is the trusted growth partner for the world’s leading brands. With exceptional talent, trusted data and intelligence and world-class partnerships – all united by our agentic marketing platform, WPP Open – we help clients navigate change, capture opportunity and deliver transformational growth. For more information, visit WPP.com.

WPP (VML/WPP Enterprise Solutions) is an equal opportunity employer and considers applicants for all positions without discrimination or regard to characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.