Principal Technical Success Engineer | Cybersecurity | Remote (US)

I'm partnering with a fast-growing cybersecurity company doing cutting-edge work in the insider risk space. They're hiring a Principal Technical Success Engineer - a senior, deeply technical role sitting at the intersection of OS internals, security engineering, and customer impact.

This is a rare opportunity to shape product direction, eliminate recurring problem classes, and serve as the foremost technical authority within a high-performing Customer Success organisation.

What You'll Do

• Serve as the senior technical escalation point across endpoint, backend, cloud, and data pipeline issues
• Act as the primary technical bridge between Customer Success and Engineering/Product
• Lead major incident response, cross-functional war rooms, and root cause analysis
• Translate recurring customer issues into roadmap recommendations and architectural improvements
• Build and maintain technical enablement programmes - playbooks, training, and readiness plans for the CS team

What You'll Bring

• 7+ years in a senior technical customer-facing role (L3 Support, Solutions Architect, DevOps, or similar)
• Deep knowledge of Windows internals (ETW, WFP, memory management, driver interactions)
• Strong macOS internals experience (Endpoint Security framework, System Extensions, FSEvents, MDM)
• Hands-on experience debugging complex endpoint, network, and backend issues
• Familiarity with enterprise security ecosystems - EDR, DLP, UEBA, SIEM, SOAR
• Ability to reverse engineer unexpected endpoint behaviours and identify root causes at pace
• Strong communicator with executive presence and the ability to lead cross-functional initiatives

Why Apply

• Own the most complex, high-stakes technical challenges in the business
• Direct influence on product architecture and engineering roadmap
• Senior, high-visibility role at a company with record-breaking growth and strong VC backing
• Competitive comp ($165k-$220k) with real opportunities to grow into leadership