Senior Solution Architect - Professional Services at Klaviyo

About the Role

Professional Services team members are critical to our customers’ success. They combine enterprise-grade project ownership, deep Klaviyo and martech expertise, and consultative engagement skills to deliver high-impact implementations and strategic technical solutions for complex customers. They lead scoped, post-sales engagements, shaping how work is delivered and scaled.

In this role, you will:

• Own strategic customer engagements end-to-end, from shaping delivery in partnership with Sales to driving successful implementation and long-term adoption alongside Customer Success and Partner teams.
• Operate as a senior individual contributor who is trusted by customers and internal stakeholders to lead through complexity, influence at the executive level, and consistently deliver measurable outcomes for enterprise accounts.
• Combine strong delivery/project leadership with technical depth and solution design.

How You’ll Make a Difference

Core Responsibilities

Shape and scope strategic engagements

• Assist in defining Statements of Work (SOWs) that clearly articulate scope, deliverables, timelines, dependencies, and success metrics for complex technical engagements, ensuring alignment between customer goals and Klaviyo delivery capabilities.
• Lead consultative conversations with customers to clarify business objectives, identify risks, and translate desired outcomes into actionable technical implementation plans.

Lead strategic technical engagements

• Serve as the owner for key technical phases of the customer journey, ensuring projects are delivered on time, on budget, and in line with agreed outcomes.
• Build strong stakeholder relationships and communicate effectively with internal and external stakeholders to maintain visibility, accountability, and momentum toward customer goals.
• Anticipate risks, build mitigation strategies, and adjust plans to keep enterprise projects on track.

Act as a strategic advisor and subject-matter expert

• Become a deep expert in the Klaviyo platform and surrounding martech ecosystem, from data models and integrations to messaging channels (Email, SMS) and CDP use cases.
• Translate customer business goals into technical and operational solutions that leverage platform capabilities and best practices.
• Educate and enable internal teams and customer stakeholders, becoming the go-to resource for complex questions, best practices, and solution tradeoffs.

Drive repeatable, scalable solutions and continuous improvement

• Approach engagements with a highly analytical mindset - solving for the specific customer first, then identifying patterns and codifying repeatable solutions or feeding insights to internal product and engineering teams.
• Contribute to internal initiatives and process improvements that elevate overall Professional Services delivery quality and consistency.
• Maintain excellent operational hygiene by regularly updating tools and systems (e.g., p

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