About AdaptiveAdaptive is an innovative cybersecurity startup dedicated to combating AI-driven cyber threats. Following a successful $81M Series B funding round in December 2025, led by NVIDIA and Bain Capital Ventures, the company has garnered additional support from notable investors including Capital One Ventures, Citi Ventures, and Andreessen Horowitz (a16z). This investment marks a significant step as NVIDIA's inaugural foray into AI cybersecurity.Founded by seasoned entrepreneurs Brian Long and Andrew Jones, who have a proven track record of creating high-growth companies, Adaptive aims to establish a robust security framework for the AI era. Their previous ventures, including Attentive, which achieved over $500M in annual revenue and a valuation exceeding $10B, and TapCommerce, acquired by Twitter, showcase their expertise in scaling successful, product-led businesses.Trusted by numerous leading banks, tech firms, and healthcare organizations, Adaptive is at the forefront of defending against evolving threats such as deepfakes, smishing, and AI-driven voice scams. With rapid enterprise adoption and an expansive market potential exceeding $200B, we are just beginning our journey.The RoleWe are excited to expand our Customer Success team and seek a Founding Senior Customer Success Manager located in London. This pivotal role offers a unique opportunity to shape our customer onboarding, implementation, and support processes across the EMEA region from the ground up.In this position, you will be the primary contact for our customers post-sale, overseeing their entire journey from implementation to ongoing success. As the voice of the customer, your focus will be on ensuring that clients derive both immediate and long-term value from Adaptive's platform. Collaborating closely with fellow Customer Success Managers, Engineering, Product, and Leadership teams, you will resolve issues, communicate customer feedback, and influence the product roadmap.This opportunity is perfect for individuals who thrive in dynamic, early-stage settings, enjoy crafting systems from the ground up, and seek to advance in a fast-paced, well-funded AI cybersecurity firm.
Feb 10, 2026