Customer Success Manager, Commercial

Be part of the team that defends the networks the world depends on

Corelight defends the world’s most sensitive networks—from global commerce to national defense—quietly, relentlessly, and with resolve. As cyber threats grow faster and smarter, we serve as the trusted force behind network resilience, putting elite defense within reach.

By transforming digital footprints from physical, virtual, and cloud networks into actionable insights, we empower defenders to illuminate blind spots and stay ahead of an evolving threat landscape. Built on open-source innovations and fueled by industry leading agentic AI technology, Corelight helps teams to detect advanced threats and close cases with unprecedented clarity and precision.

Be part of the team that defends the networks the world depends on

Corelight defends the world’s most sensitive networks—from global commerce to national defense—quietly, relentlessly, and with resolve. As cyber threats grow faster and smarter, we serve as the trusted force behind network resilience, putting elite defense within reach.

By transforming digital footprints from physical, virtual, and cloud networks into actionable insights, we empower defenders to illuminate blind spots and stay ahead of an evolving threat landscape. Built on open-source innovations and fueled by industry leading agentic AI technology, Corelight helps teams to detect advanced threats and close cases with unprecedented clarity and precision.

At Corelight, Customer Success is a strategic driver of customer value, retention, and growth. We're looking for a Customer Success Manager who can build trusted relationships, connect our cybersecurity solutions to meaningful business outcomes, and take ownership of the customer journey long after the initial sale.

As a Customer Success Manager, you'll serve as the primary post-sales relationship owner for your portfolio of customers. You'll work closely with customer executives, security leaders, and internal teams to ensure customers realize measurable value from their investment in Corelight. This is an individual contributor role for someone who combines commercial acumen, customer advocacy, and cybersecurity knowledge. You'll help customers achieve their security objectives while proactively managing risk, driving renewals, and identifying opportunities for growth.

• Own customer success and retention. Serve as the primary post-sales account owner, developing and executing customer success strategies that drive measurable outcomes, long-term retention, and account growth.
• Build strategic customer relationships. Establish trusted relationships with executive sponsors, economic buyers, and security leaders, aligning Corelight's solutions with their evolving business and security priorities.
• Demonstrate and validate customer value. Develop Mutual Success Plans, establish measurable success criteria, and demonstrate realized business value through Executive Business Reviews (EBRs) and ongoing strategic engagement.
• Drive renewals and identify growth opportunities. Proactively manage renewal readiness, address risks to retention, and partner with Sales to identify expansion opportunities based on customer needs, demonstrated ROI, and product utilization.
• Anticipate and mitigate customer risk. Leverage customer health metrics, engagement data, adoption signals, and stakeholder insights to identify risks early and execute plans to protect customer relationships and revenue.
• Lead cross-functional account strategy. Partner with Technical Account Managers, Professional Services, Support, Sales, and Product to deliver a coordinated customer experience, with clear ownership and accountability throughout the customer lifecycle.
• Turn customer…