Manager, Customer Success - Upmarket

Our Mission: 6sense's mission is to multiply what matters: growth, retention, and efficiency. We envision a future where companies, teams and people reach their full potential. Our People: People are the heart and soul of 6sense. We serve with passion and purpose. We live by our Being 6sense values of Win as One Team, Stay Curious, Do The Right Thing, Own the Outcome, and Create Belonging. Every 6sensor plays a part in defining the future of our industry-leading technology. 6sense is a place where difference-makers roll up their sleeves, take risks, act with integrity, and measure success by the value we create for our customers. We want 6sense to be the best chapter of your career. The Role As a Manager, Customer Success, you will lead a team of approximately 7-8 Customer Success Managers responsible for a combined portfolio of Upmarket customers with annual contract values ranging from $100K to $500K and representing approximately $15M-$20M in ARR. You will be responsible for driving customer retention, adoption, customer value realization, and operational excellence across your team's portfolio while developing and coaching a high-performing team of Customer Success Managers. This role requires a strong people leader who can balance business performance, talent development, forecasting discipline, and customer outcomes. Success in this role requires the ability to develop top talent, create accountability, establish operational rigor, and partner cross-functionally to ensure customers realize measurable business value from their investment in 6sense. You will work closely with Sales, Professional Services, Support, Product, Marketing, and Revenue Operations to help customers achieve their goals while contributing to the continued growth and scale of the Customer Success organization. What You'll Do Lead and Develop a High-Performing Team Lead, coach, and develop a team of approximately 7-8 Customer Success Managers supporting Upmarket customers. Create a culture of accountability, customer-centricity, collaboration, and continuous improvement. Conduct regular coaching sessions, performance reviews, talent assessments, and career development conversations. Establish clear expectations and operating rhythms that drive consistent execution and customer outcomes. Recruit, onboard, and develop Customer Success talent while supporting succession planning across the organization. Inspire and motivate a team that consistently delivers exceptional customer experiences and business results. Drive Customer Success Outcomes Lead a team responsible for customers with annual contract values between $100K and $500K and a combined portfolio of approximately $15M-$20M in ARR. Drive strong Gross Revenue Retention (GRR), customer adoption, customer satisfaction, and value realization across the portfolio. Coach Customer Success Managers on account strategy, executive stakeholder engagement, success planning, renewal strategy, risk mitigation, and value delivery,