Apple
Principal Security Software Engineer, EDR
$175K–$308K
Seattle, Washington · Principal · Full-time · Posted Oct 21, 2026
- Experience
- 15+ years of professional experience; seniority is also defined by scope, ownership, and impact.
About the job
Own the reliability, operational excellence, and continued development of Apple’s Swift-based endpoint detection and response agent across a large fleet.
What you'll do
- Own EDR quality, reliability, availability, rollout safety, and operational readiness; partner with Security and platform SRE teams and support tiers.
- Lead incident response and post-mortems, building a culture of learning and measurable reliability improvement.
- Help the team deliver new EDR capabilities for Apple systems, including Linux and Apple silicon platforms.
What they ask for
- 15+ years of professional experience building, shipping, and supporting production or system software.
- Strong hands-on experience with Swift on server and C for eBPF and kernel-level code.
- Experience owning reliability of a critical production system and leading incident response and post-mortems.
- Proficiency in Python or Rust and C or C++; knowledge of operating system internals and attacker behavior.
Nice to have
- Experience with large-scale endpoint or host agents, tiered support models, eBPF or EndpointSecurity, or Swift concurrency and cross-platform builds.
- Public contributions, EDR detection expertise, policy-driven detection, probabilistic data structures, or virtualization experience.
Pay
$175,000 to $308,500 USD base salary
Tools
Swift, C, eBPF, Python, Rust, C++, Linux, macOS
AI focus
The EDR agent supports Private Cloud Compute, which runs the larger models behind Apple Intelligence; the role’s AI work is not otherwise specified.
Model-written summary · the original posting is authoritative