Sr Customer Success Manager

Remote · 3+ years experience · Remote · Posted Oct 5, 2026

At a glance

6sense is seeking a Sr. Customer Success Manager, Advertising to help customers achieve measurable value from their advertising programs.
In this post-sale role, you will serve as a trusted advisor for a portfolio of advertising customers, guiding them through onboarding, campaign success, and renewal readiness.

Own post-sale success for a portfolio of 6sense Advertising customers, ensuring clear goals, success plans, risks, and next steps.
Advise customers on audience strategy, campaign structure, targeting, channel mix, budget allocation, measurement, and optimization.
Partner with Campaign Operations, Professional Services, Product, Support, Sales, and Account teams to deliver a coordinated customer experience.
Monitor campaign delivery, pacing, utilization, and performance; translate results into insights, recommendations, and customer-ready narratives.
Drive adoption of relevant advertising capabilities, workflows, audiences, reporting, and best practices.
Lead customer conversations and business reviews focused on performance, value, stakeholder alignment, and future opportunities.
Identify risks early, coordinate recovery plans, and keep customers on track for successful renewal outcomes.
Surface qualified expansion opportunities and partner with commercial owners on next steps.
Contribute to the evolution of playbooks and processes that are at the core of 6sense customers’ advertising success.

5+ years of customer-facing experience in Customer Success, client services, consulting, account management, or a related post-sale role within SaaS, adtech, or martech.
3+ years of hands-on experience with digital advertising or programmatic advertising campaigns.
Strong understanding of campaign planning, audience strategy, targeting, pacing, optimization, reporting, measurement, and common advertising KPIs.
Ability to build trusted relationships with practitioners and executive stakeholders and connect platform usage to measurable business outcomes.
Analytical mindset with the ability to turn campaign and account data into clear insights, recommendations, and customer-ready stories.
Proven ability to manage risk, drive adoption, lead business reviews, and coordinate cross-functional work across internal and customer teams.
Excellent communication, presentation, project-management, and stakeholder-management skills.