Senior Customer Success Manager

Senior Customer Success Manager – Semmle (UK)
At Semmle, a GitHub company pioneering developer security and code analysis, the Senior Customer Success Manager drives the adoption and value realization of our cutting‑edge platform for enterprise customers across the United Kingdom. In this role you act as the strategic partner of our most complex accounts, ensuring that customers not only implement our solutions but also achieve measurable reductions in security risk and faster development cycles. Your influence spans the entire customer journey—from onboarding and technical enablement to renewal and expansion—directly impacting revenue growth, churn reduction, and market leadership in the DevSecOps space. With a clear path to senior leadership, you will shape the success function, mentor junior managers, and contribute to product roadmap decisions, positioning yourself as a key catalyst for both customer and company evolution.

- Own end‑to‑end customer lifecycle, guiding enterprise clients through onboarding, adoption, and expansion phases.
- Conduct deep‑dive health checks and data‑driven business reviews that surface ROI, risk mitigation, and productivity gains.
- Partner with Sales, Solutions Engineering, and Product teams to translate customer feedback into feature enhancements and go‑to‑market strategies.
- Lead cross‑functional issue resolution, coordinating with Support, Engineering, and Professional Services to meet SLAs and exceed expectations.
- Design and deliver executive‑level workshops, training sessions, and best‑practice playbooks that embed security‑first culture within development teams.
- Track and report on key success metrics (NPS, churn, expansion rate) to senior leadership, providing actionable insights for continuous improvement.
- Mentor and coach a growing team of Customer Success Specialists, fostering a high‑performance, collaborative environment.

Why join Semmle? We champion a culture of curiosity, impact, and inclusion where every voice shapes the future of software security. As part of the GitHub family, you gain access to world‑class resources, mentorship programs, and a global network of innovators. Our rapid growth trajectory offers unparalleled career acceleration—whether you aim to become a Director of Customer Success, a Product Strategy leader, or an industry thought‑partner. You’ll work at the forefront of AI‑driven code analysis, helping Fortune‑500 firms secure their codebases while accelerating delivery pipelines. Semmle’s commitment to continuous learning, flexible work arrangements, and generous professional development budgets ensures you thrive both personally and professionally. Join us to turn complex security challenges into strategic business advantages and become a cornerstone of a mission‑driven organization reshaping the developer ecosystem.