Senior Endpoint Engineer

The role

The Senior Endpoint Engineer will build and own components of a lightweight agent across Windows, macOS, or Linux. This includes managing collection, policy evaluation, enforcement, and the agent lifecycle.

What you will do

• Build and own components of Ent's single lightweight agent across Windows, macOS, or Linux
• Deliver features end to end including design, implementation, tests, telemetry, and rollout
• Own agent lifecycle engineering including packaging, installers, enrollment, and updates
• Enforce CPU, memory, disk, and network budgets
• Implement offline and degraded-mode behavior
• Apply secure engineering fundamentals inside a privileged process
• Build diagnostics, log collection, health reporting, and support tooling
• Own test infrastructure for the agent
• Integrate agent signals with backend services and the browser extension
• Handle escalations across the stack and participate in on-call rotation

Required qualifications

• 5+ years building production software in C/C++ or Swift, including work on native desktop or endpoint software
• Working knowledge of operating system internals and system APIs on at least one of Windows, macOS, or Linux
• Experience with software that runs unattended on machines you do not control
• Solid grasp of concurrency, memory management, and empirical performance measurement
• Debugging discipline
• Comfort with build systems, cross-platform CI/CD, and test automation (CMake or Bazel, GitHub Actions or equivalent)
• Scripting in Python
• Security-conscious coding habits
• Clear communication and effective collaboration in a distributed, fast-moving team

Nice to have

• Prior endpoint security experience — EDR, DLP, EPP, MDM, or insider risk — or work on systems-monitoring agents
• Exposure to kernel extensions and drivers, eBPF, ETW, or the macOS Endpoint Security Framework
• Enterprise deployment realities: Intune, Jamf, SCCM, Ansible, and MDM-driven configuration management
• Code signing, Apple notarization, or driver attestation pipelines

Benefits

• Meaningful equity on top of salary
• 90% of medical, dental, and vision is paid by Ent
• 75% coverage for dependents for medical, dental, and vision
• Flexible PTO
• 12 weeks of fully paid maternity leave
• 8 weeks fully paid paternity leave
• $100 monthly lifestyle account for fitness, wellness, or learning
• $500 home office stipend for remote employees

About the company

Ent is the intent-aware workspace security platform for securing human and AI-driven work. It is founded by the co-founders of RiskIQ and is in production with Global 2000 customers.