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- Tasks: Lead the Customer Success function and deliver exceptional outcomes for our clients.
- Company: A leading UK mobile infrastructure services company focused on innovation.
- Benefits: Competitive salary, bonus structure, 30 days holiday, hybrid working, and private healthcare.
- Why this job: Shape customer experiences and drive impactful change in a dynamic environment.
- Qualifications: Extensive leadership experience in telecoms or digital infrastructure and strong commercial acumen.
- Other info: Join a diverse team committed to equity, inclusion, and continuous improvement.
The predicted salary is between 43200 - 72000 £ per year.
Our Vision: Continue to be the leading UK mobile infrastructure services company.
Our Mission: To be famous for excellence in delivery, embracing transformation with our people and our customers at its heart.
We are at an exciting time in our company's development. We’ve come a long way since we were first formed in 2012. From the rollout of new technologies and managing complex legislation affecting the industry, we are leading the conversation on innovation and developing sharper solutions to serve our customers better. We collaborate as a team to meet the high standards expected of us and demand the best of ourselves through our values.
About the Role: Take the lead in shaping Cornerstone's Customer Success function across our Growth portfolio. Your mission: deliver exceptional customer outcomes through flawless onboarding, proactive engagement, and seamless transition into service operations.
You’ll be the strategic architect of a diverse delivery ecosystem—choosing the right partners, balancing cost, speed, and quality, and defining clear roadmaps for integration or migration when business priorities demand it. Drive diversification with confidence, precision, and scale.
Key Responsibilities:- Lead delivery excellence across the New Business portfolio, from concept to full-scale deployment.
- Build a high-performing delivery model, blending internal teams, partners, and third parties for maximum impact.
- Maintain strategic control, ensuring every pathway delivers measurable commercial and operational success.
- Define and embed the Customer Success vision, creating a culture of value and advocacy.
- Establish and lead the Growth PMO, driving visibility, financial discipline, and execution rigor.
- Develop smart frameworks for make/buy/partner decisions to optimize speed, cost, and quality.
- Provide assurance and insight through robust reporting and risk management for senior leadership.
- Champion the customer voice, ensuring priorities shape every decision.
- Design frictionless customer journeys, connecting onboarding, adoption, and refresh into one seamless experience.
- Manage strategic partners with clear SLAs and performance metrics.
- Ensure operational readiness, coordinating smooth handovers to Service Management.
- Implement governance and dashboards, giving full portfolio visibility and control.
- Drive continuous improvement, leveraging data insights and lessons learned to raise the bar.
- Extensive leadership experience in programme and portfolio delivery within telecoms, digital infrastructure, or engineering sectors.
- Proven ability to manage complex, multi-party delivery ecosystems and outsourced models.
- Strong commercial acumen with exceptional negotiation skills.
- Degree in Engineering, Business, or equivalent experience.
- Strategic thinker with a delivery-focused mindset.
- Commercially disciplined and partnership-savvy.
- Skilled at balancing pace, risk, and quality across multiple delivery routes.
- Builds clarity and trust across internal and external teams.
- Pragmatic leader who turns complexity into actionable outcomes.
- Competitive salary and an excellent bonus structure
- 30 days holiday
- Competitive pension scheme
- Hybrid working
- Life insurance
- Cycle to Work
- Retail Discount
- Competitive refer a friend scheme
- Private Healthcare Insurance
Equity, Diversity, and Inclusion: Our commitment to Equity, Diversity, and Inclusion (EDI) is fundamental to our success. We strive to cultivate an inclusive environment where every employee feels valued, respected, and empowered. By embracing unique perspectives and experiences, we drive innovation and drive our organisation forward, therefore, we recognise the importance of welcoming applications from candidates of all backgrounds.
We want to ensure everyone is able to present their best self throughout the recruitment process so if you require any adjustments, please let us know.
Head of Customer Success in London employer: Cornerstone
Contact Detail:
Cornerstone Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Head of Customer Success in London
✨Tip Number 1
Network like a pro! Reach out to people in the industry, attend events, and connect with potential colleagues on LinkedIn. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Prepare for interviews by researching the company and its culture. Understand their mission and values, and think about how your experience aligns with their goals. This will help you stand out as a candidate who truly gets what they’re about.
✨Tip Number 3
Practice your pitch! Be ready to explain how your skills and experiences make you the perfect fit for the Head of Customer Success role. Keep it concise and focus on how you can drive exceptional customer outcomes.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team and contributing to our mission.
We think you need these skills to ace Head of Customer Success in London
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter for the Head of Customer Success role. Highlight your experience in programme delivery and customer engagement, showing how you align with our mission of excellence.
Showcase Your Leadership Skills: We want to see your leadership style! Share examples of how you've built high-performing teams and managed complex delivery ecosystems. This will help us understand how you can drive success at StudySmarter.
Be Data-Driven: Since we value insights and continuous improvement, include any metrics or data that demonstrate your impact in previous roles. This could be anything from customer satisfaction scores to successful project completions.
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for this exciting opportunity at StudySmarter.
How to prepare for a job interview at Cornerstone
✨Know the Company Inside Out
Before your interview, dive deep into the company's mission, vision, and values. Understand their approach to customer success and how they position themselves in the market. This knowledge will help you align your answers with their goals and demonstrate your genuine interest.
✨Showcase Your Leadership Experience
Prepare specific examples from your past roles where you've successfully led teams or projects, especially in complex delivery ecosystems. Highlight your ability to manage multiple stakeholders and how you’ve driven exceptional customer outcomes. This will show that you have the experience they’re looking for.
✨Demonstrate Strategic Thinking
Be ready to discuss how you would approach building a high-performing delivery model. Think about frameworks for make/buy/partner decisions and how you would ensure operational readiness. This will showcase your strategic mindset and ability to think critically about the role.
✨Emphasise Continuous Improvement
Talk about how you leverage data insights and lessons learned to drive continuous improvement. Share examples of how you've implemented governance and dashboards in previous roles to enhance visibility and control. This will resonate well with their focus on delivering measurable success.
