Key Account Manager jobs in United Kingdom

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Despite the clear preference for video, communication and knowledge sharing in the business environment are still dominated by text, largely because high-quality video production remains complex and challenging to scale—until now…

We're on a mission to make video easy for everyone. Born in an AI lab, our AI video communications platform simplifies the entire video production process, making it easy for everyone, regardless of skill level, to create, collaborate, and share high-quality videos. Whether it's for delivering essential training to employees and customers or marketing products and services, Synthesia enables large organizations to communicate and share knowledge through video quickly and efficiently. We’re trusted by leading brands such as Heineken, Zoom, Xerox, McDonald’s, and more. Read stories from happy customers and what 1,200+ people say on G2.

In 2023, we were one of 7 European companies to reach unicorn status. In February 2024, G2 named us as the fastest growing company in the world. In 2025 we announced our series D funding. In total we’ve raised over $330M in funding from top-tier investors, including NEA, Atlassian Ventures, WiL, PSP Growth, and existing investors such as Accel, Nvidia, Kleiner Perkins, GV and top founders and operators including Stripe, Datadog, Miro, Webflow, and Facebook.

We’re not your average enablement team—we operate as an extension of the field. Our team stays deeply connected to customer-facing roles, joining calls, shadowing engagements, and continuously learning from real-world interactions. We pride ourselves on being experts not only in our products but also in the domains our customers operate in. That means we’re always ahead of the curve, translating the latest product innovations and industry shifts into practical, actionable guidance that empowers the field to deliver exceptional customer outcomes.

The Manager of Post-Sales Enablement owns the strategy, execution, and continuous improvement of enablement programs for Customer Success, Support, and Services teams. This role ensures customer-facing teams have the skills, processes, and tools to accelerate time-to-value, drive adoption, improve retention, and deliver consistent, high-quality customer experiences.

Reporting to the Head of Revenue Enablement, this role is highly strategic and requires the ability to align enablement efforts with company-wide growth initiatives, influence senior leadership, and drive measurable impact on revenue outcomes. It is expected to operate at both the strategic and executional level, ensuring that enablement programs are not only designed but also successfully embedded in the field.

You’ll partner closely with CS leadership, Support/Services managers, RevOps, Product, and Executive stakeholders to embed best practices, streamline workflows, and measure impact across all stages of the post-sales customer journey. While initially an individual contributor role, this position will scale into a leadership role as the company grows.

Cross-Functional Alignment

• Partner with CRO, CS/Support leadership, RevOps, Product, and PMM to ensure alignment with GTM and customer experience priorities.

• Act as a strategic advisor on post-sales performance and field readiness.

• Proactively partner directly with senior leaders within the post-sales org to create programs and materials that improve the post-sales workflow.

Strategy & Program Execution

• Build and execute a global post-sales enablement strategy aligned to customer outcomes and retention goals.

• Implement and drive adoption of our customer engagement process, activity frameworks, and value realization practices.

• Develop training, onboarding, and ongoing skill development programs for the post-sales roles.

Field Engagement & Process Optimization

• Shadow customer calls, onboarding sessions, and support interactions to identify gaps and opportunities.

• Develop playbooks for onboarding, adoption, renewal readiness, escalation management, and customer health.

• Standardize best practices for QBRs, success planning, and issue resolution.

Tools, AI & Automation

• Partner with CS Ops/RevOps to integrate enablement tools and streamline workflows.

• Drive adoption of post-sales systems (e.g., Planhat, Salesforce, Omni).

• Identify opportunities to use AI and automation to reduce friction and improve efficiency.

Measurement & Insights

• Analyze performance data and adjust enablement programs based on insights.

• Review data to understand behavior change and recommend reinforcement or training programs to increase performance.

• 7–10 years in post-sales enablement, Customer Success, Support, Services, or related fields.

• Experience implementing customer success methodologies and driving adoption across global teams.

• Strong background in training, onboarding, and process optimization.

• Proficiency with CS/Support tech stacks and enablement platforms (e.g., CSPs, Salesforce).

• Ability to influence senior leaders and drive cross-functional alignment on complex projects.

• Experience in fast paced, high-growth environments.

• Comfort building from scratch and proven ability to scale programs over time.

Salary: We are targeting a salary of $160,000-$200,000 depending on experience