Senior Researcher and Developer

Herzliya, Israel
About The Position

About Us

At Kayhut, we specialize in solving complex technological challenges in cybersecurity. We are building a world-class team of researchers dedicated to shaping the future of cyber defense. As part of our elite research group, you’ll have the opportunity to make a real impact and participate in groundbreaking projects addressing major cybersecurity challenges.

About the Role

We are seeking an innovative Network Researcher to join our R&D team.

Alongside traditional forensic research tasks, you will focus on deep-diving into network-based attack techniques, analyzing complex network security incidents, and developing advanced threat detection solutions.

Core Responsibilities

Research network-based attack techniques, communication protocols, and defense mechanisms.
Analyze network traffic, security incidents, and system-level forensic evidence.
Develop tools and methodologies for threat detection, analysis, and automation.
Apply creative thinking and out-of-the-box approaches to develop innovative solutions.
Requirements

Requirements

At least 5 years' experience in cybersecurity research or network security.
Strong expertise in network protocols (TCP/IP, HTTP, DNS, SSL/TLS) and communication infrastructures.
Hands-on experience with network traffic analysis and packet inspection tools (e.g., Wireshark, tcpdump, Zeek, Burp Suite, Postman).
Hands-on experience with scripting languages (Python, PowerShell, or similar).
Solid understanding of operating system internals (Windows, Linux).
Proficiency with query languages (SQL, SPLUNK, or similar).
Strong research, analytical, and problem-solving skills.
Ability to work independently as well as in a highly collaborative team environment.

Advantages

Expertise in analyzing custom malware communications.
Practical background in offensive security techniques (e.g. penetration testing, red teaming).
Background in Malware Reverse Engineering (IDA, WinDbg, etc).

We Offer

A key role in a pioneering research and development team with far-reaching impact.
Work on complex, meaningful cybersecurity research challenges.
Career growth, learning opportunities, and leadership development.
We foster an open and collaborative environment where ideas are valued, and every team member can make a real difference.
Competitive compensation and excellent working conditions for the right candidate.



This position is designed for candidates who see cybersecurity not just as a profession, but as a mission, and are looking for a place where they can influence, create, and grow. This is a unique opportunity to participate in groundbreaking projects that have a real impact on the future of cybersecurity — projects you won't find anywhere else.

If this speaks to you, your place is with us!