Core System Engineer – Windows Agent Specialist

About Cyber Periscope

Cyber Periscope is building a world-class Extended Detection & Response (XDR) platform to redefine cybersecurity for enterprises, critical infrastructure, and cloud-first organizations. Our vision is to surpass industry leaders like CrowdStrike and Wiz by delivering next-gen telemetry collection, real-time detection, AI-driven response, and compliance automation at scale.

Role Overview

Windows Agent Specialist

Key Challenges

• Achieving high-fidelity telemetry with near-zero performance impact.
• Hardening agents against tampering, bypasses, and stealth techniques.
• Ensuring compatibility across legacy and modern Windows versions.
• Delivering secure OTA updates with WASM bundle execution.

Responsibilities

• Develop high-performance agent modules for Windows endpoints (Win10/11, Server editions).
• Implement telemetry collection pipelines using ETW, Sysmon, and kernel drivers.
• Build watchdogs and anti-tamper features to ensure resilience against adversaries.
• Optimize performance for 10,000+ EPS per endpoint under real-world workloads.
• Collaborate with backend teams to standardize schemas for ingestion pipelines.
• Integrate OTA update mechanism with GPG-signed WASM bundles.
• Participate in threat modeling to validate resilience against advanced attacks.

Required Qualifications

• Expert in C/C++/Rust programming with Windows internals knowledge.
• Deep expertise in ETW, MiniFilter drivers, NDIS, and kernel debugging.
• Experience with Sysinternals tools (ProcMon, WinDbg, Sysmon).
• Familiarity with endpoint security solutions (EDR/XDR, OSQuery, CarbonBlack).
• Strong understanding of memory forensics, process injection, DLL hijacking, etc.

Preferred Qualifications

• Prior work developing commercial endpoint agents.
• Experience with sandboxing and WASM execution.
• Contributions to open-source security tools.

What We Offer

• Chance to architect a next-gen global security platform.
• Opportunity to work on advanced kernel-level engineering.
• Growth path toward

  Principal Security Engineer / Agent Architect

  .