Senior Manager, Customer Success Management - Enterprise US East/EMEA

Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterprises and global industry leaders, including Anduril, Canva, Fortinet, Hewlett Packard Enterprise, OpenAI, Snap Inc., and Snowflake. Chainguard is venture-backed by leading investors, including Amplify, IVP, Kleiner Perkins, Lightspeed Venture Partners, Mantis VC, Redpoint Ventures, Sequoia Capital, and Spark Capital. The role, in a nutshell: The Manager of Customer Success Management (CSM) will report to the Director of Customer Success, working collaboratively to achieve company goals and advance customer success initiatives across the Enterprise segments. As a leader within the Customer Success organization, this role will partner closely with cross-functional teams to support and scale the CSM function. The ideal candidate brings strong people management skills, experience operating in high-volume, scaled customer environments, and a focus on driving efficient, data-informed customer engagement, retention, and growth strategies. What you’ll do: Leadership and People Management: Build, lead, and mentor a team of CSMs supporting Enterprise customers Foster a collaborative, high-performance, and customer-centric culture Provide coaching, performance management, and career development support Drive accountability through clear goals, metrics, and regular feedback Segment Strategy and Execution: Partner with Customer Success and cross-functional leaders to define segment-specific strategies Execute programs tailored to Enterprise customer needs Design and operationalize engagement models Ensure consistency in customer journeys while adapting for segment nuances Customer Management: Maintain visibility into adoption, health scores, and engagement metrics across the portfolio Guide the team in identifying churn risks and expansion opportunities Drive proactive outreach and intervention based on data insights Support account reviews and leverage segment-level insights to improve outcomes Client Engagement and Advocacy: Ensure strong stakeholder relationships across Enterprise accounts Deliver consistent value through interactions Capture and synthesize customer feedback to inform internal teams Act as the voice of the customer to influence product and go-to-market strategy Retention and Growth: Collaborate with Sales, Product, and Marketing to drive adoption and expansion Support renewal strategies and improve retention outcomes across segments Leverage data to contribute to accurate forecasting and pipeline visibility Identify and scale growth opportunities within the Enterprise base Operational Excellence: Implement and refine processes that enable scale and efficiency Improve team productivity through tooling, automation, and best practices Standardize workflows and reporting for consistency and visibility Monitor industry trends and evolve engagement strategies accordingly What we're looking for: 4+ years of experience in Customer Success, Account Management, or related fields Prior people management experience with a track record of developing high-performing teams Experience supporting Enterprise or high-ARR customer segments Experience with high-touch customer success models Background in Cybersecurity, DevOps, or a related technical domain preferred Strong operational mindset with experience building or optimizing processes Proven ability to drive retention and growth in a metrics-driven environment Excellent communication and interpersonal skills across diverse audiences Bachelor’s degree in a relevant field; advanced degree preferred Compensation: up to $200,000 base salary + bonus (depending on experience) A few of the benefits we offer: Equity/stock options Unlimited PTO Remote work with flexible coworking and team meetup opport