Senior Customer Success Manager - Enterprise (Remote UK)

Cortex; United Kingdom; Remote; GBP 100,000 - 125,000; Full time

Benefits offered by this job

Medical, dental & vision insurance

Perks stipend

Learning stipend

Unlimited PTO

Remote work

Gender-neutral parental leave

All-Company Retreats

Job summary

Cortex is seeking a Senior Customer Success Manager to join our expanding Customer Success team. As a Sr.

CSM, you will be the strategic partner for large enterprise accounts, ensuring value realization and successful adoption of our platform across engineering teams and executives. You'll bridge technical depth with business outcomes, run high‑impact executive reviews, oversee onboarding, renewal and expansion, and advocate for customers with Product and Sales.

Qualifications

• 5+ years in Customer Success or similar roles in SaaS
• Experience managing large enterprise accounts
• Able to converse with engineers and executives
• Strong understanding of SDLC and cloud infra

Responsibilities

• Own the post-sale customer journey across onboarding, adoption, success and renewal
• Drive value realization aligning Cortex with customer engineering excellence and platform modernization
• Act as technical advisor with deep Cortex platform knowledge and DevOps/Platform Engineering domains
• Lead executive-level business reviews, expansion discussions and renewal negotiations
• Collaborate with Product, Engineering and Sales to influence roadmap and drive outcomes
• Travel up to 30%

Skills

Customer Success

Enterprise Accounts

Technical Stakeholders

Cloud Infrastructure

SDLC Knowledge

Executive Communication

Tools

AWS

GCP

Azure

Job description

Cortex is seeking a Senior Customer Success Manager to join our expanding Customer Success team. As a Sr.

CSM, you will be the strategic partner for large enterprise accounts, ensuring value realization and successful adoption of our platform across engineering teams and executives. You'll bridge technical depth with business outcomes, run high‑impact executive reviews, oversee onboarding, renewal and expansion, and advocate for customers with Product and Sales.