---
title: 'Security Research Intern (2027 Masters/PhD) at Cylake, Inc'
canonical: 'https://feeny.ai/job/security-research-intern-2027-masters-phd-cylake-inc-sunnyvale-dhdnef5vq183'
type: 'job'
last_seen: '2026-09-12'
---

# Security Research Intern (2027 Masters/PhD) at Cylake, Inc

- **Company:** Cylake, Inc
- **Location:** Sunnyvale, CA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-09-09
- **Last confirmed live:** 2026-09-12
- **Apply:** https://jobs.ashbyhq.com/cylake-inc/9cf7d73e-84cf-4bf6-aaae-75c58f72e56d

## Job description

## Your Impact

Join a small team building the next generation of Cyber Security 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

As a graduate level research intern in cyber attack and defense, you will take on a focused research problem in threat detection to working prototype on our next-gen security platform. You will study how modern adversaries operate, translate that understanding into detection logic and research tooling, and work directly with the researchers and engineers building the platform. This role offers the opportunity to see academic research meet production security at an early-stage company. Required Experience

- Currently enrolled in a Master's or Ph.D. program in Computer Science, System/Network Security, or a related technical field, with an expected graduation date by 2028
- Coursework, research, or project experience in one or more of the following: cyber security, malware, network traffic, web and vulnerability exploitation, large-scale data analysis, or machine learning
- Hands-on familiarity with one or more of the following areas: threat hunting, malware analysis and sandboxing, vulnerability analysis, reverse engineering, offensive security, machine learning, or penetration tests
- Working understanding of modern attacks and evasion techniques, malware behaviors and countermeasures, the MITRE ATT&CK framework, and cyber kill chain/TTPs is a plus
- Strong proficiency in Python programming and system programming with C/C++/Rust/Go is a big plus
- Great passion for security research; strong communication and documentation skills

We’re committed to building a diverse, inclusive workplace where everyone can do their best work. We are proud to be an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. If you require a reasonable accommodation during the application or interview process, please let us know — we’re happy to support you.

## About Cylake, Inc

## Company Overview
- **One-liner**: Cylake is building a complete, AI-native, data-driven cybersecurity platform for the world’s largest and most regulated institutions, designed to operate on-premises or in private cloud environments.
- **Entity Type**: Private (Seed stage – $45M raised)
- **Headquarters**: Sunnyvale, California, United States
- **Founded**: 2026
- **Founders**: Nir Zuk, Wilson Xu, and Ehud (Udi) Shamir

## Core Business
- **Primary industry/industries**: Cybersecurity (Computer and Network Security)
- **Target customers**: Large, highly regulated institutions (e.g., in finance, government, critical infrastructure) that require data and operational sovereignty.
- **Mission or purpose statement**: “To support organizations and enterprises that need sovereign, complete, and transparent agentic protection against cyberattacks” and “to bring cybersecurity back home for organizations that require complete sovereignty.”

## Products & Services
- **[Cylake Platform]**: A complete, AI-native, data-driven cybersecurity platform built on a single data foundation. It combines hardware and software components to deliver deep analysis and agentic protection without relying on public cloud or public AI infrastructure. Currently under development with design partners, planned for general availability in early 2027.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private)
- **Key Metric**: Total funding of **$45M** (Seed round, March 2026)
- **Notable Investors/Partners**: **Greylock Partners** (lead investor); founding investor Asheem Chandna (Partner at Greylock) sits on the board.
- **Growth Signals**: Rapid headcount growth (+23.5% monthly in early data); team of experienced security engineers and executives from Palo Alto Networks, SentinelOne, and other leading security firms; already 5,793 LinkedIn followers with 12.8% monthly growth.

## Competitive Advantages
- **Founding team**: Co-founded by Nir Zuk (former CEO/Chairman of Palo Alto Networks), along with seasoned security architects.
- **Data sovereignty**: Platform operates entirely on-premises or in private cloud, avoiding reliance on public cloud infrastructure – a critical requirement for regulated industries.
- **Single data lake**: All security data unified into one data store, enabling complete visibility and agentic automation.
- **Strong investor backing**: $45M seed from top-tier VC Greylock Partners signals confidence and resources.

## Strategic Focus
- Complete platform development (hardware + software + applied AI) with design partners.
- Targeting general availability in early 2027.
- Building an in-office engineering culture centered on long-term architecture, intense collaboration, and deep technical craftsmanship.

## Why Work Here
- **Culture**: “Human intelligence first” with a focus on creative thinking, open communication, and pride in work. In-office approach at Sunnyvale HQ (525 Almanor Ave).
- **Team**: Small (10 employees) but highly experienced – a chance to work alongside former executives and engineers from top security companies.
- **Impact**: Early-stage opportunity to build a foundational cybersecurity platform from the ground up.
- **Engineering focus**: Roles span hardware, software, data, and applied AI. Openings include Security Researcher, Endpoint Engineer, Backend Engineer, Infrastructure Engineer, Frontend UI Engineer, and Product Manager.
- **Perks**: Not explicitly listed; note: no external recruiting agency accepts candidates.

## Sources
1. [cylake.com](https://cylake.com/about-us/)
2. [linkedin.com/company/cylake-ai](https://www.linkedin.com/company/cylake-ai/jobs)
3. [jobs.ashbyhq.com/cylake-inc](https://jobs.ashbyhq.com/cylake-inc)

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