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Endpoint Engineer

Join a small team to architect and build a core endpoint security agent for comprehensive visibility and protection across multiple OS.

Location
Sunnyvale
Compensation
$150k–$250k/yr
Level
senior
Type
full time

Posted by employer 7 months ago

First seen on Joblaze 1 month ago

Last verified on the company career page 1 day ago

Apply at Cylake → Save job Scanned from cylake.com

Requirements

Experience
5+ years

Not disclosed in this posting: work arrangement, visa sponsorship.

Benefits

401k Match Equity/Stock Options Health Insurance

Joblaze summary

In this role, the Endpoint Engineer will lead the development of a core security agent, focusing on creating a resilient and efficient product that offers comprehensive protection across multiple operating systems. Key skills include advanced Rust programming, systems-level architecture, and a deep understanding of Windows internals, alongside experience with Linux and macOS telemetry. This position is ideal for seasoned professionals with a strong background in cybersecurity and systems programming, looking to make a significant impact in a startup environment led by industry veterans.

Joblaze insights

  • Listed about a month ago — first seen on Joblaze September 3, 2026. Last confirmed on Cylake's careers page October 27, 2026.
  • Salary band is below the typical range for Security roles (median ~$170,000).
  • Starts above 41% of 27 comparable senior security roles that list Linux we track (median $150,000 across 15 companies). See Linux salary trends
  • Linux appears in 8% of 602 comparable senior security roles; mTLS appears in 0.8% of 602 comparable senior security roles.

Quick facts

What's the salary range?
Cylake lists $150,000–$250,000 for this role.
How much experience is required?
At least 5 years of relevant experience for this Endpoint Engineer role.
What's the tech stack?
Joblaze extracted these technologies from the posting: ESF, File Filter Drivers, Linux, Rust, Windows, dynamic binary instrumentation.
What seniority level is this role?
Cylake targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Endpoint Engineer role at Cylake.

From the original posting

Your Impact

Join a small team building the next generation of cybersecurity products from the ground up. Led by industry veterans with a proven track record of success - you will get to architect, build, and deliver hugely impactful products with this world class team. You will have the opportunity to grow your career and skills along with the company from the very start.

Role Overview

You will serve as a technical leader responsible for building our core endpoint security agent from the ground up, providing comprehensive visibility and protection across Windows, Linux, and macOS. You will architect a lightweight, highly resilient agent capable of deep OS introspection, autonomous threat prevention, and sophisticated offline telemetry spooling. You will tackle complex challenges in user-mode hooking, kernel-level behavioral analysis, anti-tampering, and distributed systems design to deliver a seamless, high-performance security client.

Required Experience

  • 5+ years of experience in systems-level programming and architecting highly concurrent applications

  • Strong Rust programming skills with a focus on high-performance, low-level OS integrations

  • Deep understanding of Windows OS internals, including ETW, IPC, Named Pipes, and Windows Services

  • Experience with cross-platform endpoint telemetry collection utilizing Linux eBPF and macOS ESF

  • Proven experience in dynamic binary instrumentation, user-mode API interception, and process injection

  • Experience designing and optimizing low-overhead threat detection heuristics directly on the endpoint

  • Knowledge of Windows kernel-mode components, specifically designing File Filter Drivers for data-in-motion tracking

  • Experience architecting resilient distributed systems with offline disk spooling and secure mTLS synchronization

  • Understanding of offensive and defensive endpoint security concepts, anti-tampering mechanisms, and process protection

  • Experience building highly reliable agent lifecycles, self-healing architectures, and fail-safe rollback mechanisms

  • Strong communication and documentation skills

  • Experience with Microsoft Anti-Malware vendor registration (ELAM, PPL) is a plus

  • Experience with browser extension development or DOM hooking is a plus

Standard company text repeated across Cylake's postings is omitted here.

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