Senior Implementation Consultant

Sr. Implementation Consultants at Klaviyo are a critical part of our Customers’ success, providing the highest quality implementation experience by delivering exceptional guidance, executing effectively on key launch tasks, demonstrating deep product expertise, and consistently exceeding customer expectations. A Sr. Implementation Consultant is a highly motivated professional with a proven record of proactively managing enterprise-level projects, implementing products for large and complex customer accounts, delivering on schedule, and yielding high customer satisfaction.

As a Sr. Implementation Consultant, you’ll not only lead the implementation phase for enterprise customers, but also engage early in the presales process, shaping delivery strategy, crafting and presenting Statements of Work (SOWs), and ensuring that every engagement is scoped for success and aligned with customer outcomes. As an implementation project owner, you will be the first point of contact with new Klaviyo customers, working with them to understand their key marketing goals and the complexity of their enterprise-level tech stacks, building and owning the appropriate project plan, and leading both the customer and internal project teams to execute the plan. You will work closely with the full Klaviyo Account Team to drive customers forward, ensuring customers see value quickly, key stakeholders are informed, challenges are identified early, mitigation strategies are built and executed, and customers leave the implementation stage set up to achieve long-term success.

How you will make a difference:

• Partner with Enterprise Sales early in the opportunity cycle to assess customer needs, shape services solutions, and ensure alignment between customer goals and Klaviyo delivery capabilities
• Define, craft, and present Statements of Work (SOWs) that clearly articulate scope, deliverables, timelines, dependencies, and success metrics for enterprise engagements.
• Lead consultative conversations with prospects and customers to clarify business objectives, identify risks, and translate desired outcomes into actionable delivery plans
• Effectively implement new customers, leading them through migration, executing on customer use cases and key milestones, and fast-tracking value for enterprise-level accounts.
• Lead the implementation phase for new customers, including managing enterprise project scope, budget, plan, resources, and timeline.
• Build strong stakeholder relationships and communicate effectively with internal and external stakeholders to drive the project forward through visibility and accountability to reach customer goals.
• Lead and collaborate with senior leadership and multiple departments across complex, cross-functional teams to ensure successful project delivery in enterprise environments.
• Proven ability to engage with and influence C-level stakeholders, ensuring alignment and driving forward complex projects with multiple dependencies.
• Proven expertise in navigating and managing complex, cross-functional projects across global teams with an emphasis on large enterprise environments.
• Apply expertise in risk management to identify, assess, and mitigate project risks, ensuring smooth delivery of enterprise projects.
• Adapt processes to provide a tailored experience for complex environments and meet customer needs while achieving key milestones.
• Understand each customer’s existing tech stack and make best practice recommendations for their integration with Klaviyo.
• Apply a core understanding of API and Webhook functionality to help customers achieve key customer use cases utilizing the Klaviyo platform.
• Monitor implementation health across your book of business to ensure we are fast-tracking value and setting customers up for long-term success.
• Work closely and proactively with the full Account Team including Solutions Architects, Sales, Customer Success Managers, Deliverability Strategists, and Support in order to drive the implementation, advocate for customers, and achieve customer goals.
• Regularly update tools and systems without management reminders (project status, risks, timesheets, etc.).
• Provide informal coaching and mentorship to other Implementation Consultants, supporting delivery excellence, skill development, and consistent execution across the team.
• Supports team enablement, sharing best practices, and contributing to internal initiatives or process improvements, as aligned with business needs.
  
  

Who you are:

• 4+ years SaaS implementation experience.
• Experienced in defining and presenting Statements of Work and delivery proposals for complex enterprise implementations.
• Adept at balancing technical depth with commercial clarity, ensuring that proposed engagements drive measurable customer value and delivery feasibility.
• Skilled in consultative selling and capable of articulating how Services accelerate time to value and business impact.
• Proven expertise in managing large, enterprise-level projects with multiple stakeholders across diverse teams and departments.
• A professional with proven expertise in establishing trusted customer relationships across multiple stakeholders on global teams, building partnerships with internal and external teams to drive creative solutions.
• Well-informed and continuously learning about the evolving martech landscape, surrounding technologies, with an ability to appropriately position Klaviyo value propositions to complex customers.
• Experienced with implementing Martech solutions leveraging best practices across Email, SMS with a keen understanding of how to leverage a CDP for advanced use cases.
• Experience customizing implementation processes and strategies to meet the specific needs and scale of enterprise-level environments.
• An excellent communicator through a variety of channels, demonstrating strong written and verbal skills, and the ability to work effectively represent marketing needs across a variety of audiences (project managers, marketing leads, developers, etc.).
• A strong project manager with a track record of independently leading through complexity and driving outcomes on time.
• Experienced in managing large-scale, integrated tech stacks in enterprise environments and working with a variety of enterprise systems (Financial Force/ Certinia, SFDC).
  A strong collaborator with a positive attitude, curiosity, and eagerness to learn, who thrives in a quickly changing environment.
• PMP certification strongly recommended to demonstrate expertise in formal project management processes and methodologies.
• Interest in mentoring others and contributing to team-level execution and enablement beyond individual delivery.

Our salary range reflects the cost of labour in the country where the job post is advertised. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location.

In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.

Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.

Base Pay Range in Local Currency:£76,000—£114,000 GBP

This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in advance.

Get to Know Klaviyo

We’re Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators—ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from day one and supported with generous benefits, we hope you’ll join us.

AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed.

By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. For more information about how we process your personal data, see our Job Applicant Privacy Notice.

Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.

IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls. By clicking "Submit Application" you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application. You can find our Job Applicant Privacy Notice here and here (FR).