---
title: 'Applied AI Engineer at Cylake, Inc'
canonical: 'https://feeny.ai/job/applied-ai-engineer-cylake-inc-sunnyvale-a0q1338w7bjr'
type: 'job'
last_seen: '2026-09-12'
---

# Applied AI Engineer at Cylake, Inc

- **Company:** Cylake, Inc
- **Location:** Sunnyvale, CA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-08-05
- **Last confirmed live:** 2026-09-12
- **Apply:** https://jobs.ashbyhq.com/cylake-inc/4a64ef33-28a3-460c-82e5-e113d9d9de18

## Job description

## 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 build state-of-the-art AI capabilities for Cylake's next-generation cybersecurity platform. Working at the intersection of artificial intelligence and cybersecurity, you will develop agentic AI systems, build machine learning solutions, and train deep learning and LLM models that enable security teams to detect, investigate, and respond to threats at scale. You will collaborate closely with security researchers and software engineers to develop, productize, and deploy AI-driven security solutions across SOC, SOAR, and SIEM workflows.

## Responsibilities

- Develop state-of-the-art agentic AI systems for next-generation SOC, SOAR, and SIEM platforms.
- Build and optimize large language models (LLMs) for cybersecurity and security operations use cases through post-training techniques.
- Develop domain-specific evaluation frameworks and benchmarks to continuously improve model quality, accuracy, and efficiency.
- Design and implement machine learning and deep learning solutions for security threat detection, including malware, phishing, anomaly detection, and attack activity classification.
- Develop AI workflows and model pipelines that leverage large-scale security datasets.
- Partner with security researchers to improve data quality, model evaluation, and cybersecurity AI capabilities.
- Collaborate with software engineers to integrate AI models into scalable, production-ready security products.
- Research and apply advancements in LLM architectures, AI agents, model inference, and serving optimization.

Required Experiences

- 5+ years of experience applying machine learning, deep learning, or generative AI to cybersecurity or related domains, and/or a Ph.D. in Computer Science, Artificial Intelligence, Machine Learning, or a related technical field.
- Proven track record of applying machine learning, deep learning, or generative AI techniques and delivering high-quality models and solutions into production environments end-to-end.
- Deep understanding of modern AI agent architectures, agent frameworks, and implementation patterns.
- Experience with LLM supervised fine-tuning (SFT), reinforcement learning, preference optimization, and model distillation.
- Strong understanding of supervised and unsupervised learning, reinforcement learning algorithms, model training, and evaluation on large-scale datasets.
- Experience with domain-specific feature engineering, data labeling, and data quality optimization.
- Strong proficiency in Python programming and experience with deep learning frameworks such as PyTorch.
- Familiarity with databases, large-scale data processing systems, and production ML pipelines.
- Strong communication and technical documentation skills.

## Preferred Experience

- Experience with LLM architecture, model pre-training, inference optimization, and model serving infrastructure.
- Experience with big data streaming pipelines, large-scale analytics, and distributed data processing.
- Prior experience applying AI to cybersecurity domains such as threat detection, anomaly detection, fraud detection, malware classification, network traffic analysis, webpage classification, or security operations.
- Contributions to AI/ML competitions, hackathons, open-source projects, technical blogs, arXiv, or top-tier research publications.

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. 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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