Cylake
CybersecurityDirect Ashby career site

Endpoint Engineer

Pay
$150,000 – $250,000 per year
Location
Sunnyvale, CA · On-site
Job type
Full-time
Level
Senior
Experience
5+ years
Listed
30 days ago

Skills & highlights for this role

  • Rust
  • Windows internals
  • eBPF
  • endpoint telemetry

Also useful

  • ETW
  • kernel-mode drivers
  • mTLS

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

We offer competitive compensation and a comprehensive benefits package designed to support our employees’ health, well-being, and long-term success. The expected salary range for this position is $150,000 - $250,000 per year. Within this range, individual pay is determined based on job-related factors including skills, experience, qualifications, and internal equity. Most candidates can expect an offer within the range listed above. Your recruiter will provide additional details on compensation and benefits to qualified candidates during the hiring process.

Read the original posting

From Cylake's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Endpoint Engineer role at Cylake, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Common questions

What is the salary for the Endpoint Engineer role at Cylake?

The Endpoint Engineer posting at Cylake states compensation of $150,000 – $250,000 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Cylake's official career site.

Where is the Endpoint Engineer job at Cylake located?

This Endpoint Engineer position at Cylake is located in Sunnyvale, CA (On-site). Always check Cylake's application page for specific state eligibility or relocation policies.

What qualifications are required for Endpoint Engineer at Cylake?

For the Endpoint Engineer role, Cylake highlights 5+ years of relevant experience; experience with Rust, Windows internals, eBPF, endpoint telemetry. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Endpoint Engineer position at Cylake?

This listing links directly to Cylake's Ashby application page. You can apply directly on Cylake's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.