Endpoint Engineer - Linux

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Skills you'll use

What you'll do

• Design and develop data exfiltration prevention applications, kernel modules, system services, and agents on Linux.
• Build and maintain mission-critical endpoint agents that monitor and enforce DLP policies across Linux distributions (Ubuntu, RHEL/CentOS, and others).
• Implement kernel-level event interception using eBPF, LSM hooks, netfilter, fanotify, or similar mechanisms to monitor file, network, and clipboard activity.
• Develop userspace components that integrate with kernel subsystems and enforce policy decisions in real time.
• Collaborate closely with the Mac and Windows endpoint teams to align on cross-platform agent architecture, shared policy models, and consistent DLP behaviors.
• Own complex features from design to delivery - including scoping, implementation, testing, and customer-facing documentation.
• Diagnose and resolve deep systems-level issues including kernel panics, race conditions, file descriptor leaks, and IPC failures.
• Ensure agent reliability, upgrade safety, and minimal performance footprint on target Linux environments.
• Write and maintain documentation covering internal architecture, public APIs, and deployment guides for enterprise customers.

Who can apply

• Expertise in C/C++ for Linux systems development; familiarity with Go is a strong plus.
• Demonstrable experience building production agents or system-level software on Linux.
• Deep hands-on experience with one or more Linux kernel subsystems relevant to security and monitoring:
• Practical knowledge of eBPF (including BPF CO-RE, libbpf, and BCC) for tracing, network filtering, and security enforcement.
• Experience with Linux Security Modules (LSM) - SELinux, AppArmor, or custom LSM hooks.
• Working knowledge of fanotify, inotify, netlink, and procfs for system activity monitoring.
• Familiarity with Linux namespaces, cgroups, and container runtimes (Docker, containerd) in enterprise deployments.
• Experience with kernel-level debugging using tools such as ftrace, perf, crash, SystemTap, or GDB with KGDB.
• Ability to use reverse engineering and binary analysis techniques when debugging kernel space code.
• Familiarity with enterprise Linux deployment environments - MDM tools.

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