Solutions Architect (Adtech)

Overview

How You’ll Make an Impact
We’re seeking a highly motivated Solutions Architect (Programmatic and Privacy) to play a pivotal role in driving the sales cycle for Epsilon’s product portfolio. This is a technical client-facing role within the Customer Solutions team, supporting scalable digital solutions across paid, earned, and owned channels. Your mission is to drive growth by guiding clients through seamless integrations, onboarding, and long-term adoption of our platform.
You\’ll use your expertise in system architecture and data strategy to align solutions with client tech stacks, becoming both a trusted advisor to clients and a champion of innovation within Epsilon. This is a hybrid role based in our London office. (3 days per week)
What You’ll Achieve

• Lead technology strategy, system integrations, and implementation across digital advertising and marketing platforms.
• Assess client architectures, define future-state visions, and align them with business goals and technical realities.
• Oversee onboarding and integration, advising on system design, data flows, and platform compatibility.
• Ensure technical scalability and product-market fit in go-to-market strategies.
• Clearly communicate platform capabilities and value to varied audiences, tailoring based on client needs.
• Collaborate cross-functionally with Product, Engineering, Sales, and external stakeholders to develop and deliver solutions.
• Build strong relationships with client decision-makers to influence long-term technical strategy.
• Understand client goals and guide them toward sustainable, high-impact technical solutions.
• Promote platform adoption by identifying opportunities from client use cases and market feedback; channel insights back to product teams.
• Manage project execution, ensuring on-time delivery and successful outcomes through coordination of internal resources.
• Stay informed on industry trends, regulatory changes, and new technologies to guide both clients and internal teams.

Who You Are

• What you’ll bring with you :
  • 5+ years in technical solutions, systems architecture, or ad tech engineering, with client-facing experience.
  • Deep knowledge of the digital advertising ecosystem: RTB/programmatic, retail media, identity, and measurement.
  • Proficiency in web technologies (HTML, CSS, JavaScript), tag managers, and tracking methods (client/server-side).
  • Strong API skills (REST, Postman) and experience troubleshooting integration workflows.
  • Familiarity with data formats (CSV, TSV, XML, JSON) used in ad tech and e-commerce.
  • Experience with SQL and data platforms like BigQuery for analysis and troubleshooting.
  • Understanding of event tracking for impressions, clicks, and conversions via APIs or tags.
  • Working knowledge of cloud platforms (GCP preferred; AWS/Azure a plus).
  • Ability to explain complex concepts to technical and non-technical audiences; excellent communication skills.
  • Proven success in fast-paced, cross-functional environments.
• Why you might stand out from other talent :
  • Experience with RMNs, agencies, publishers, or MarTech platforms.
  • Knowledge of data clean rooms, privacy regulations (GDPR/CCPA), and identity resolution.
  • Familiarity with ad tagging and tag management systems.
  • Contributions to technical documentation or client-facing integration tools.

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice.

Additional Information

When You Join Us, We’ll Create Something EPIC Together
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we’ve provided marketers from the world’s leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.

Epsilon has a core set of 5 values that define our culture and guide us to create value for our clients, our people and consumers. We are seeking candidates that align with our company values, demonstrate them and make them meaningful in their day-to-day work:

• Act with integrity. We are transparent and have the courage to do the right thing.
• Work together to win together. We believe collaboration is the catalyst that unlocks our full potential.
• Innovate with purpose. We shape the market with big ideas that drive big outcomes.
• Respect all voices. We embrace differences and foster a culture of connection and belonging.
• Empower with accountability. We trust each other to own and deliver on common goals.

Because You Matter

We know that we have some of the brightest and most talented employees in the world, and we believe in rewarding them accordingly. If you work here, expect competitive compensation, a great benefits package and endless opportunities to advance your career.

We offer hybrid working opportunities, with our office space located in the Iconic Television Centre, White City.

As part of our dedication to enhance our inclusive and diverse workforce , Epsilon is committed to equal access to opportunity for people without regard to race, age, sex, disability, neurodiversity, sexual orientation, gender identity, pregnancy and maternity, marriage and civil partnership or religion or belief. We are committed to providing reasonable adjustments for candidates in our application process.

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