Principal Solutions Consultant (Martech)

Publicis Groupe Holdings B.V; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading marketing solutions provider in the UK seeks a MarTech Solutions Consultant, Principal. This role focuses on designing tailored MarTech and Loyalty solutions for clients. You will engage with senior stakeholders to drive adoption and value with Epsilon's technology. This position demands strong technical knowledge and experience in CRM and loyalty frameworks, ensuring client requirements are met through innovative solutions. Join us to contribute to impactful results across varied industries.

Benefits

Flexible time off

Comprehensive health coverage

Tuition assistance

Employee recognition programs

Qualifications

• 8+ years in a technical client-facing role.
• Background in database marketing or CRM is preferred.
• Strong knowledge of cloud platforms.

Responsibilities

• Lead design of MarTech solutions for clients.
• Conduct client discovery and strategy sessions.
• Deliver customized platform demonstrations.

Skills

Technical client-facing experience

Deep knowledge of CRM and loyalty

API architecture familiarity

Cloud platforms knowledge

Data privacy regulations understanding

Job description

Overview

How You’ll Make an Impact

Join our high-performing Customer Solutions team at Epsilon as a MarTech Solutions Consultant, Principal. At Epsilon, we empower brands to make smarter decisions through data-driven marketing and cutting‑edge technology. We're a leader in digital marketing, identity solutions, and customer experience - driving impactful results for clients across various industries. Our team is passionate about delivering tailored solutions that exceed customer expectations, and we’re looking for a dynamic, experienced individual to join us.

This is an individual contributor, client-facing role within the Customer Solutions team, supporting scalable solutions across our Technology and Loyalty products. Your mission is to enable growth by identifying opportunities to help our clients grow through cutting edge solutions across our technology and loyalty solutions. Your expertise within the vertical will help lead our teams through the pre‑sales and solutioning journey to improve client wins, deliver forward thinking solutions and identify areas to improve efficiency within the business.

Ideal Candidate

The ideal candidate is a proactive technical consultant who has experience in designing bespoke solutions for platforms or technology providers in the MarTech landscape. You will have owned the solution architecture for complex deals, delivered compelling platform demos, and curated best in class data strategy that resulted in successful client adoption and activations.

What You’ll Achieve

• Solution Architecture & Design: Lead the design and technical overview for Epsilon’s comprehensive MarTech solutions, focusing on our Loyalty and Technology products to meet specific client requirements.
• Consultative Problem‑Solving: Engage clients in deep‑dive discussions to uncover technical complexities and identify growth opportunities. Curate bespoke solutions that bring Epsilon’s products together and solve our clients needs.
• Platform Demos: Develop and deliver customized platform demonstrations, focusing on the functional and technical workflow to prove capability and value to both marketing and IT stakeholders.
• Pre‑Sales Technical Ownership: Engage with the wider teams to ensure submitted RFI/RFP responses are best in class showcasing the technical capabilities of the Epsilon platform and illustrate the appropriate data flows to support the client grow and achieve their goals.
• Sales Enablement: Become a thought leader in the business on the MarTech landscape providing insights on the Loyalty/Technology space and how Epsilon fits. Elevate and empower the wider team through your knowledge and expertise.
• Cross‑Functional Alignment: Work closely with various Epsilon teams to ensure that the solutions pitched are deliverable and that client feedback informs future product roadmaps.

Key Responsibilities

• Client Strategy & Solution Architecture
  • Loyalty & CRM Solution Design: Design and present compelling end‑to‑end Loyalty and CRM solution architectures tailored to a client’s specific business needs and existing MarTech infrastructure. This includes detailing how Epsilon’s solutions will integrate and function as a cohesive unit.
  • Integration Overviews: Map out and present comprehensive technical integration overviews detailing data flows, required integrations (specifically those relevant to Loyalty solutions like APIs and cloud infrastructure, and necessary client‑side development for successful onboarding).
  • Client Discovery & Assessment: Lead and support in‑depth client discovery calls to thoroughly assess their current marketing technology stack, business objectives, loyalty program maturity, and data challenges. Leverage this understanding to define a precise, high‑impact solution fit.
  • Client Engagement: Build and maintain strong technical relationships with key stakeholders across our clients, ensuring a deep understanding of their MarTech stack and strategic initiatives to drive adoption of our platform.
  • Platform Demo Development: Be the architect and owner of platform demonstrations. This includes building and maintaining functional demo environments, encompassing the full solution stack: back‑end configuration (e.g., data models, loyalty rules, segmentation logic) and the client‑facing interface (e.g., personalized customer experiences, campaign orchestration).
• Project Execution & Business Efficiency
  • Deep Product Specialisation: Serve as the internal and external subject matter expert on Epsilon’s Loyalty and CRM platforms, clearly articulating their technical capabilities, competitive advantages, and roadmap to both technical and non‑technical audiences.
  • Drive Business Efficiency: Continuously analyse and optimise the solution design cycle, identifying process refinements to deliver integrated solutions, increase client retention.

Who You Are

• What you’ll bring with you (required skills)
  • 8+ years in a technical client‑facing role, such as Solutions Consulting, Pre‑Sales Engineering, or MarTech Architecture.
  • Background in database marketing, identity management, CRM, loyalty, and/or digital media is strongly preferred.
  • Deep functional and technical knowledge across tech stacks, specifically with platforms focused on CRM or loyalty.
  • A solid understanding of system integration techniques such as API architecture (REST, Postman), ETL/ELT principles, web services and cloud connectors.
  • Strong knowledge of cloud platforms like GCP, AWS and Azure.
  • Demonstrated ability to document and present complex data models and system architectures in a clear, concise manner.
  • Comfortable operating within large, complex sales cycles and presenting to various organisational levels, from technical teams to CMOs/CIOs.
  • Strong understanding of data privacy regulations and frameworks within the EMEA and US markets, covering but not limited to GDPR, CCPA.
• Why you might stand out from other talent (nice‑to‑have/bonus points!)
  • Ability to communicate complex concepts to a technical and non‑technical audience.
  • Experience leading the design and implementation of Loyalty Platforms for medium and large enterprises.
  • Comfortable working with languages like Python or SQL to develop proof‑of‑concept integrations, data transformations, or custom utilities within a MarTech stack.
  • Experience leading technical discovery workshops with engineering teams to define integrations, API specifications, and requirements for complex enterprise systems.
  • Expertise in Information Security principles relevant to PII/PHI data handling in enterprise systems, including tokenization, encryption‑at‑rest/in‑transit standards, and compliance auditing methodologies.

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’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.

Our pillars aren't just words. They’re how we show up every day.

• People centricity: We focus on employee well‑being in an environment where colleagues truly care about each other.
• Collaboration: We work together, support one another, and collectively achieve goals.
• Growth: There are endless opportunities for growth through learning, development and career advancement.
• Innovation: We drive progress through cutting‑edge solutions and forward‑thinking approaches.
• Flexibility: We’ve created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers.

• Act with integrity
• Work together to win together
• Innovate with purpose
• Respect all voices
• Empower with accountability

Because You Matter

As an Epsilon employee, you deserve perks and benefits that put you, your family and your finances first. Our benefits encompass a wide range of offerings, including but not limited to the following:

• Time to Recharge: Flexible time off (FTO), 15 paid holidays
• Time to Recover: Paid sick time
• Family Well‑Being: Parental/new child leave, childcare & elder care assistance, adoption assistance
• Extra Perks: Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling

Epsilon benefits are subject to eligibility requirements and other terms.

Epsilon is an Equal Opportunity Employer. Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants needing accommodations to complete the application process. Please reach out to [e-mail] to request an accommodation.

For San Francisco Bay and Los Angeles Areas: Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.

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