Apple

Principal Security Software Engineer, EDR

Apple
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20 hours ago

Responsibilities

  • Own the reliability, quality, performance, rollout safety, and operational excellence of Apple’s EDR agent.
  • Lead incident response, post-mortems, corrective actions, and the development of a reliability learning culture.
  • Partner with Security SRE, platform-specific SRE teams, and Tier 1, Tier 2, and Tier 3 support teams.
  • Design tiered support and escalation models and develop support runbooks.
  • Build and evolve endpoint, host, and agent software deployed across a very large fleet.
  • Develop security telemetry collection, host-based detection, and response capabilities.
  • Lead technical solutions for ambiguous, high-stakes systems and security problems.

Requirements

  • 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 for a critical production system, including availability, performance, rollout safety, and operational readiness.
  • Experience leading incident response and writing or leading post-mortems.
  • Proficiency in Python or Rust and at least one low-level systems language such as C or C++.
  • Strong knowledge of operating system internals, including processes, threads, memory, system calls, and namespaces, on Linux, macOS, or both.
  • Credible understanding of attacker behavior, security concepts, and malicious activity in host telemetry.
  • Ability to participate in Tier 3 support and lead support-model design.
  • Experience developing Tier 1 and Tier 2 support runbooks and training SREs.
  • Experience operating endpoint, host, or agent software at very large scale with strict performance and availability objectives.
  • Experience with eBPF, EndpointSecurity, or similar OS-level instrumentation.
  • Experience with Swift on server, Swift concurrency, and cross-platform builds.
  • Understanding of EDR, host-based detection techniques, and current industry practices.
  • Experience with policy-driven detection logic such as OPA/Rego and probabilistic data structures for bounded-memory anomaly detection.
  • Experience with virtualization and hypervisor environments.
  • Public contributions such as open-source work, talks, papers, or blog posts are preferred.

Tech Stack

Categories

Apple

About Apple

10,000+ employees

Apple designs and sells consumer electronics, software, and services for consumers and professionals worldwide, including iPhone, Mac, iPad, Apple Watch, and AirPods, plus platforms like iOS/macOS and services such as the App Store, iCloud, Music, and TV+. Its business combines device sales with services and subscriptions and in-house silicon design. Founded in 1976, Apple is headquartered in Cupertino, California, and trades on NASDAQ as AAPL.

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