Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead customer onboarding and support, ensuring clients thrive with our AI cybersecurity platform.
- Company: Join a fast-growing cybersecurity startup backed by top investors like NVIDIA and Bain Capital.
- Benefits: High ownership, professional development, and the chance to shape a new Customer Success function.
- Why this job: Make a real impact in a cutting-edge field while building systems from scratch.
- Qualifications: 4+ years in Customer Success or similar roles, strong problem-solving skills, and a customer-first mindset.
- Other info: Collaborative environment with opportunities for growth in a high-paced startup.
The predicted salary is between 72000 - 108000 £ per year.
About Adaptive
Adaptive is a cybersecurity startup on a mission to stop AI-powered cyberattacks. Trusted by leading banks, technology companies, and healthcare organizations, Adaptive protects teams from emerging threats like deepfakes, smishing, and AI-powered voice scams. With rapid enterprise adoption and a $200B+ market ahead, the company is just getting started.
The Role
We are rapidly growing our Customer Success function and are hiring a Founding Senior Customer Success Manager based in London. This is a highly impactful, hands-on role with significant autonomy to define and build our customer onboarding, implementation, and support processes from the ground up across the EMEA region. You will act as the primary point of contact for customers post-sale, owning the full customer lifecycle from implementation through ongoing success.
Responsibilities
- Own all aspects of customer implementation, onboarding, and ongoing support for enterprise customers.
- Lead customer kick-off calls, setting clear expectations and ensuring a smooth, successful deployment.
- Act as the first point of contact for customer-reported issues, delivering prompt troubleshooting and clear communication through to resolution.
- Proactively monitor and manage support channels (email, chat, ticketing systems), ensuring timely and high-quality responses.
- Partner closely with Engineering to escalate, track, and resolve complex technical issues, while identifying broader platform or reliability trends.
- Collaborate cross-functionally with Product, Design, Sales, and Leadership to continuously improve customer experience, tooling, and processes.
- Serve as the voice of the customer by gathering feedback, identifying product gaps, and influencing feature development.
- Build scalable customer success playbooks, documentation, and best practices as the function grows.
- Consistently exceed customer expectations across responsiveness, quality of support, and overall satisfaction.
Qualifications
- 4+ years of experience in Customer Success, Implementation, Technical Support, or a similar client-facing role at a SaaS company.
- Experience supporting enterprise or mid-market customers in a technical or product-led environment.
- Strong troubleshooting and problem-solving skills, with the ability to translate technical concepts into clear, customer-friendly guidance.
- Excellent written and verbal communication skills, with a customer-first mindset.
- Proven ability to juggle multiple priorities and thrive in a fast-paced, high-growth startup environment.
- Experience collaborating with cross-functional teams to diagnose issues and deliver timely solutions.
- A growth mindset and eagerness to learn quickly—both from customers and from working closely with engineers and product managers.
- Bonus: experience in cybersecurity, AI, or highly regulated industries (e.g. financial services, healthcare).
What We Offer
- The opportunity to build and define Adaptive’s Customer Success function from the ground up in a brand new territory.
- High ownership and visibility, with direct impact on customer outcomes and company growth.
- A collaborative, inclusive environment where every team member’s contribution matters.
- A culture that values continuous learning, professional development, and career progression.
- The chance to work on cutting-edge AI cybersecurity products that protect organisations around the world.
Environment
This role will be based out of our London office. You’ll be part of a highly collaborative team that values real-time communication and hands-on problem solving.
Founding Senior Customer Success Manager, London employer: Adaptive Security
Contact Detail:
Adaptive Security Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Founding Senior Customer Success Manager, London
✨Tip Number 1
Network like a pro! Get out there and connect with people in the cybersecurity space. Attend industry events, webinars, or even local meetups. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your skills! Create a portfolio or case studies that highlight your past successes in customer success roles. This is your chance to demonstrate how you've made a difference for previous clients and how you can do the same at Adaptive.
✨Tip Number 3
Be proactive! Don’t just wait for job postings to appear. Reach out directly to Adaptive or similar companies. Express your interest in their mission and how you can contribute to their customer success efforts. A little initiative goes a long way!
✨Tip Number 4
Prepare for interviews by understanding Adaptive’s products and the challenges they tackle. Be ready to discuss how your experience aligns with their needs. Tailor your responses to show you’re not just a fit for the role, but also passionate about their mission.
We think you need these skills to ace Founding Senior Customer Success Manager, London
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter for the Founding Senior Customer Success Manager role. Highlight your experience in customer success and any relevant skills that align with Adaptive's mission to stop AI-powered cyberattacks.
Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled challenges in previous roles. We want to see your troubleshooting abilities and how you can translate technical concepts into customer-friendly solutions.
Emphasise Collaboration: Since this role involves working closely with various teams, mention any cross-functional projects you've been part of. Show us how you’ve collaborated with others to improve customer experiences or resolve issues.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity at Adaptive!
How to prepare for a job interview at Adaptive Security
✨Know Your Stuff
Before the interview, dive deep into Adaptive's mission and products. Understand the cybersecurity landscape, especially AI-powered threats. This will not only show your enthusiasm but also help you articulate how your experience aligns with their goals.
✨Showcase Your Customer Success Skills
Prepare specific examples from your past roles where you've successfully managed customer relationships or resolved complex issues. Highlight your ability to communicate technical concepts clearly and how you've contributed to customer satisfaction in previous positions.
✨Ask Insightful Questions
During the interview, ask questions that demonstrate your understanding of the role and the company. Inquire about their current customer onboarding processes or how they gather feedback for product improvements. This shows you're thinking critically about how you can contribute.
✨Emphasise Your Growth Mindset
Adaptive is looking for someone who thrives in a fast-paced environment. Share instances where you've adapted quickly to change or learned new skills on the job. This will resonate well with their culture of continuous learning and development.
