דרושים » ניהול ביניים » Sr Principal Linux Security Researcher (Cortex)

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לפני 15 שעות
Location: Tel Aviv-Yafo
Job Type: Full Time
We are looking for a Sr Principal Linux Security Researcher for our Tel Aviv R&D center, to work on cortex-xdr for linux, which provides runtime protection to servers and cloud workloads.
You will be part of a team that is in charge of researching, developing and improving Anti-Exploit capabilities, Anti-malware capabilities. The position includes researching OS internals, exploits, malware, delving into cloud security, and finding ways to mitigate new attack vectors.
Your Impact
Research, develop, and improve anti-exploitation mitigations and anti-malware modules - ranging from low-level mitigations up to tackling application-level security vulnerabilities
Work on the design, evaluation, and implementation of new security technologies
Research Linux OS internals, kernel, application codebases, vulnerabilities and exploits (Mostly internal usage but also PR)
Analyze customer issues to help with detecting and preventing malicious activities in our customers networks.
Requirements:
Minimum of 10 years of professional experience in security research and/or development-oriented positions
Ability to conduct in-depth and independent technical research in OS internals and security, focusing on areas where public knowledge may be limited. This research is aimed at enhancing product capabilities and security modules, all within strict deadlines and considering technical constraints of the product.
In-depth knowledge of some operating system internals is a must - Knowledge of Linux is an advantage
Development experience in C/C++/Rust is a must, 5 years at least
Experience in reverse engineering - both static and dynamic, and security research is a must - 5 years at least
Development knowledge in some scripting languages is a must - Experience with Python is an advantage
Exploitation experience is an advantage (either application-level security or memory corruption)
Experience with Kubernetes and cloud workloads is an advantage
Ability to work independently and as a part of a team
Strong attention to detail
Ability to proactively take initiative and lead projects within a cross-organizational environment, effectively coordinating with multiple teams and stakeholders.
This position is open to all candidates.
 
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לפני 15 שעות
Location: Tel Aviv-Yafo
Job Type: Full Time
We are seeking a highly skilled and experienced Windows Malware Security Researcher to join our growing Windows malware research team. In this role, you will play a key part in enhancing our Endpoint Detection and Response (EDR) agent by prototyping new protection components and techniques and developing advanced malware prevention strategies. You will work on identifying, analyzing, and mitigating sophisticated threats, Working closely with various teams to drive innovation.
The proposed role will be part of the Windows malware research team of the Cortex-XDR agent group.
You will focus primarily on our cutting-edge agent technology, with an emphasis on real-time prevention on Windows endpoints. A deep understanding of the Windows Operating System is essential
Your Impact
Playing a pivotal role in shaping the future of our security solutions.
enhance the effectiveness of our EDR product by designing cutting-edge protection components and developing sophisticated prevention rules
Researching OS internals and how Windows works under the hood - leveraging this knowledge to develop and improve our anti-malware mechanisms and capabilities
Research and lead novel protection ideas to production-grade level, serving as the feature subject matter expert
Research new malware and APT mitigation techniques and develop corresponding capabilities (POC level) or improve existing mitigation capabilities.
Respond to malware-based security events at clients networks.
Stay up to date with current malware and APT techniques.
You will provide feedback to the product management team on new feature requests and product enhancements from our customer base
Find new malware techniques and APT attacks including analysis of caught-in-the-wild malware.
Requirements:
At least 5 of overall experience in the cyber security research domain.
In-depth knowledge of Windows operating system Internals
At least 3 years of experience in Windows internals, both user and kernel and research experience.
At least 2 years of programming experience in C/C++ (win32 API) in Windows
At least 2 years experience with reverse engineering - both static and dynamic as well as assembly.
Experience with anti-RE techniques such as anti-debug, anti-vm, unpacking, etc.
Strong knowledge of the cyber threat landscape, including APTs (Advanced Persistent Threats) and modern malware techniques.
Experience with debuggers such as windbg, x64dbg, ollydbg
Experience with disassemblers such as IDA Pro
Proficiency in Python
Hands-on experience with Git
Knowledge of networking and internet protocols.
A major advantage to candidates with at least 2 years of experience in at least one of the following: EDR/XDR products, Windows kernel development, Low-level security solution development, Windows exploitation, and vulnerability research.
Excellent problem-solving skills, with a passion for innovation in cybersecurity.
Ability to work independently and as a part of a team
Strong attention to detail
Ability to take initiative
The ability to work under pressure with strict deadlines, and to prioritize projects a sense of humor.
This position is open to all candidates.
 
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לפני 12 שעות
Location: Tel Aviv-Yafo
Job Type: Full Time
We are looking for a Senior Threat Researcher for its Tel Aviv R&D center.
The team is in charge of maintaining an up-to-date overview of the threat landscape, with emphasis on two main focus areas - cybercrime and nation-state APT research. The team conducts a proactive research using our vast telemetry in combination of external sources, to uncover unknown malware, TTPs, campaigns, and threat actors. The insights gleaned from the research are then translated into actionable intelligence deliverables to improve the overall product coverage. In addition, the team publishes many of its findings in our Unit42 blog.
Your Impact
Track and monitor the security threat landscape, using various information sources to raise flags for gaps and to improve security coverage
Reverse engineer and analyze malware and hack tools used by various threat actors
Discovering new behavioral anomalies and TTPs used by threat actors and assisting in creating relevant mitigations
Write threat intelligence reports and blogs (Technical English fluency - is a must!)
Present your research in internal and international security conferences
Work closely with other domestic and international research teams to collect and disseminate threat intelligence and improve the overall products security coverage.
Requirements:
5+ years of experience as a threat researcher, intelligence analyst, malware analyst, reverse engineer, threat hunter or incident responder/DFIR
Familiarity with advanced topics and experience in malware analysis, threat hunting, long-term threat tracking, and attribution
Intimate knowledge and understanding of attack methods and TTPs over endpoints and enterprise solutions (EDR/XDR/XIAM)
Good command of networking and authentication protocols, architecture and security concepts
Coding experience with Python, including writing scripts for IDA Pro
Experience using BigQuery or other SQL-based querying languages
Reverse engineering macOS and Linux malware experience - advantage
Presented research in international security conferences - advantage
Experience using git - advantage
High proficiency in English, both verbal and written - a must
Proven experience in technical writing, including a record of published security blogs - a must
Ability to work in a dynamic, fast-moving, and demanding environment
Independent and team player, critical thinker
Ability to summarize complex data and explain it in simple terms that can be understood by both technical and less-technical audiences.
This position is open to all candidates.
 
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לפני 15 שעות
Location: Tel Aviv-Yafo
Job Type: Full Time
Required Senior Security Researcher - Security ML Team (Cortex)
As a member of our team, you will be shaping the future of cybersecurity. We work fast, value ongoing learning, and we respect each employee as a unique individual. Knowing we all have different needs, our development and personal wellbeing programs are designed to give you choice in how you are supported. This includes our FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees, our mental and financial health resources, and our personalized learning opportunities - just to name a few!
Your Career
Are you passionate about using cutting-edge technology to help protect the world against cyber threats? Do you live and breathe the cyber security world? Do you want to take part in an innovative and disruptive AI security group that has an impact on many customers?
You will be part of a strong security research and data science team who solve highly complex security challenges using disruptive technologies, ML algorithms and a lot of data.
As part of that, you will take part in the design and development of new groundbreaking AI security solutions which make a direct impact on many customers.
We value diverse viewpoints and experiences, as we are solving complex cyber security challenges. We are committed to a safe and inclusive workspace.
Your Impact:
Be at the forefront of security innovation, building next-gen detection capabilities powered by machine learning, big data, and deep threat intelligence.
Dive deep into low-level systems, reverse engineering, and file-type behavior to uncover novel attack vectors - and then turn that insight into scalable, ML-driven protections.
Work hand-in-hand with rockstar data scientists, engineers, and PMs in a fast-paced, collaborative environment where ideas move quickly from whiteboard to production.
Lead high-impact research initiatives that fuse classic security expertise with modern data science - shaping models, influencing pipelines, and driving real-world protection outcomes.
Be a key player in a multidisciplinary team where your deep security expertise will directly influence ML model design, data pipeline strategy, and real-world product impact.
Requirements:
At least 5 years of experience in cyber security research space
At least 3 years of experience with endpoint security research or offensive \ defensive low-level, file related realms
Proven experience in the low level world, including OS internals, dynamic and static analysis of malware and software and reverse engineering
Proven experience in running end-to-end research POCs from ideas to customer impact solutions including the design, execution, analysis and conclusions of your research, methodologies and outcomes
Investigation skills and critical thinking using analytics, data mining, and data interpretation
Familiarity with analysis of various file types
Proficient hands-on coding skills in Python
Experience with SQL or related query languages
Excellent communication skills - ability to present research results in a clear and meaningful manner
Advantages:
Proficiency in C \ CPP
Experience with data-driven or ML models
Experience with big data platforms (e.g GCP).
This position is open to all candidates.
 
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09/09/2025
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
We are looking for a strong, hands-on Security Researcher with knowledge in Data Science to join a cutting-edge AI and cyber security initiative at our company.
In this role, youll be part of a growing data science team working on advanced prevention technologies, leveraging vast amounts of data and state-of-the-art machine learning techniques to help protect users on a global scale.
This is a unique opportunity to join a high-impact, research-driven environment, where you will have the chance to shape core components of a next-generation security solution.
Key Responsibilities
Research and develop innovative AI-powered capabilities for cyber threat prevention.
Perform hands-on malware analysis in Windows environments, focusing on files and related threats.
Rapidly prototype and iterate based on data insights and user feedback.
Design and build data-driven solutions with a strong emphasis on practical impact and performance.
Collaborate closely with cyber researchers, analysts, and engineers to deliver production-grade machine learning models.
Work across organizational boundaries to bring solutions from concept to large-scale deployment, considering system constraints and integration challenges.
Requirements:
BSc in Computer Science, Mathematics, Bioinformatics, Statistics, Engineering, Physics, or a similar discipline; MSc is an advantage.
At least 2 years of hands-on malware analysis experience in Windows environments, focusing on file-based threats - must
At least 2+ years of experience applying data science techniques, including Machine Learning, Deep Learning, and statistical data analysis, with practical hands-on work in Python.
Comfortable using data science libraries such as: sklearn, pandas, numpy, pytorch,langchain with a focus on developing statistical and machine learning algorithms.
At least 2 years of experience using AI tools in practical applications.
Team player, able to work in collaboration with subject matter experts, with the ability to present and communicate findings.
Proven ability to build and deliver data solutions in a short time frame.
Advantages
Experience with AWS, Docker, and development methodologies.
Experience with Databricks.
Knowledge in AI edge technologies such as MCP and automated analysis tools such as langflow, n8n etc.
This position is open to all candidates.
 
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לפני 15 שעות
Location: Tel Aviv-Yafo
Job Type: Full Time
Required Director of Research (Cortex Cloud)
As a member of our team, you will be shaping the future of cybersecurity. We work fast, value ongoing learning, and we respect each employee as a unique individual. Knowing we all have different needs, our development and personal wellbeing programs are designed to give you choice in how you are supported. This includes our FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees, our mental and financial health resources, and our personalized learning opportunities - just to name a few!
Your Career
Are you passionate about using cutting edge data science approaches to help protect the world against cyber-threats? Do you live and breathe the cyber security world? Do you want to take part in an innovative and disruptive team that will have an impact on the lives of many customers?
You will cross-functionally lead a group of security researchers focusing on delivering security outcomes to our customers. You will lead projects, customer interaction and leadership discussions from both a research and business perspective. You will partner with other research, engineering, product and marketing leaders to make sure your impact is delivered across all possible avenues.
Your Impact:
Be the main driver for cross functional research projects requiring deep dives and high level business guidance
Foster deep relationships with high value customers to enable them to get the best security outcomes
Collaborate and partner up with different research, marketing, engineering and PM teams to deliver outcomes in every aspect
Lead executive level discussions and be a part of building the roadmap and influence key decision points.
Requirements:
At least 7 years technical management of a security research group
Considerable experience in at least one security subject area
Experience leading and mentoring managers of manager
Knowledge of endpoint security and products
Excellent communication skills - ability to present research results & vision in a clear and meaningful manner to executive leadership
Ability to interact with business partners with confidence; Understanding and identifying use cases and present solutions in an articulate manner
Ability to lead and influence without authority effectively
Advantages:
Experience with big data platforms (e.g GCP)
Experience with XDR/EDR/NDR products.
This position is open to all candidates.
 
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לפני 12 שעות
חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
we are on a mission to reverse the adversary's advantage by empowering defenders with ingenuity and technology to end cyber attacks.
We have the technology, and now we are looking to expand our talent! Come and talk to us about joining a market leader and a diverse team of passionate people who win as one, ensure a customer-first approach is core to everything we do, and never give up on reversing the adversary advantage.
About the job
We are seeking a highly skilled OS Internals Team Lead to lead a group of talented developers in building cutting-edge, low-level system solutions across multiple platforms.
Key Responsibilities:
Lead and mentor a team of 2-4 developers, ensuring high-quality deliverables and professional growth.
Design, develop, and optimize system-level components for Windows and/or Linux.
Collaborate with cross-functional teams on system architecture, networking, and security challenges.
Drive innovation in offensive and defensive security methodologies.
Conduct in-depth research into the malware and threat landscape to develop advanced countermeasures.
Oversee driver development and integration across multiple platforms.
Requirements:
Highly fluent in modern C++ with proven hands-on experience.
Deep familiarity with Windows and/or Linux internals including kernel-level programming.
Strong background in systems architecture and networking.
Practical experience in security, including both offensive and defensive methodologies.
Knowledge of malware analysis and the evolving threat landscape.
Proven experience in driver development.
Track record of leading technical teams to success in complex, multi-platform projects.
This position is open to all candidates.
 
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27/08/2025
Location: Tel Aviv-Yafo and Netanya
Job Type: Full Time
The CSO Security team is looking for a Senior Application Security Researcher. In this role, you will perform vulnerability research, assess existing architectures, and build and run tools to secure the application landscape at scale. You will work closely with R&D and DevOps teams and be the focal point for identifying and solving complex security challenges. This is a hands-on, development-focused role with the goal of ensuring our products adhere to the stringent security requirements of our thousands of customers.
As a Senior Application Security Researcher you will
Continuously assess and challenge our overall security posture to ensure optimal and up-to-date platform security in our products and systems
Evaluate architecture, design, and code to ensure they are free from potential vulnerabilities and security risks
Train and mentor developers about security frameworks, testing, vulnerabilities, and best practices to ensure code compliance
Evaluate new technologies and standards in the application security domain
Plan and lead cross-company efforts with the R&D that will improve JFrogs security posture.
Requirements:
4+ years of hands-on experience in an application security role
Experience with Web Penetration Testing (Hands On) - Mandatory
Strong coding skills, preferably in Java, Golang, and JavaScript - Mandatory
Experience with cloud environments - an advantage
Experience with microservices (Docker, K8S, Service Mesh) - an advantage
Excellent problem-solving skills and the ability to work independently with a strong sense of ownership
Good communication skills and a true passion to educate others and achieve continuous improvement.
This position is open to all candidates.
 
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20/08/2025
חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
We are seeking a highly skilled Senior Security Researcher to join our R&D team and drive advanced research in application security and emerging threats. The ideal candidate will have deep technical expertise, hands-on capabilities, and a passion for exploring and innovating in the cybersecurity domain. You will be responsible for researching vulnerabilities, building POCs, and developing new detection and mitigation methods.

What will you do?
Conduct advanced security research with a focus on application security (AppSec).
Perform in-depth analysis of the HTTP protocol, identifying potential attack vectors.
Design, implement, and execute POCs for security findings.
Research and evaluate security implications of emerging technologies, including AI-based applications.
Collaborate with engineering teams to integrate security solutions into products.
Write algorithms and explore machine learning approaches for threat detection and prevention.
Stay up-to-date with the latest security trends.
Requirements:
Education:
B.Sc. in Computer Science must
M.Sc. in Computer Science or related field advantage
Experience & Skills:
5+ years of hands-on experience in security research or related security roles - must.
Experience in web application security (AppSec) must.
Proven hands-on experience conducting security research and building POCs - must.
Expertise in HTTP protocol - must.
Experience in AI/ML research, including writing algorithms advantage.
Strong analytical and problem-solving skills.
Ability to work independently and in a team-oriented environment.
Curious and self-driven learner who thrives in exploring unknowns.
Strong communication skills for sharing research findings internally and externally.
Detail-oriented with a commitment to high-quality deliverables.
This position is open to all candidates.
 
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11/08/2025
חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
We are looking for a Cyber Security Researcher to drive innovation in security defenses for on-premises and cloud environments.
Your primary focus will be twofold:
1. Researching and developing novel defensive mechanisms to detect and mitigate advanced threats.
2. Contributing to open-source security tools by developing new solutions and enhancing existing ones.If you have a passion for security research, a strong technical foundation, and a drive to make meaningful contributions to the cybersecurity community, wed love to hear from you.
Responsibilities:
Research and prototype novel security defense techniques for on-prem and cloud-based systems
Analyze modern attack techniques and develop countermeasures to mitigate them.
Design, develop, and improve open-source security tools to help defenders detect and respond to threats.
Reverse engineer malware, attack tools, and security mechanisms to identify vulnerabilities and improvements.
Investigate Windows internals and authentication protocols (NTLM, Kerberos, SAML, OAuth) to enhance security defenses.Write secure, efficient, and maintainable C/C++ code for research and tooling purposes.
Collaborate with the security research community and contribute to blogs, whitepapers, and conference talks.
Stay ahead of the evolving threat landscape and propose innovative security solutions.
Requirements:
5+ years of experience in security research, reverse engineering, or exploit mitigation.
Strong understanding of Windows internals and kernel security.
Expertise in reverse engineering (IDA Pro, Ghidra, WinDbg, x64dbg, etc.).
Proficiency in C/C++ programming for security-related projects.
Familiarity with authentication protocols such as NTLM, Kerberos, OAuth, SAML.
Experience developing or maintaining open-source security tools.
Strong analytical and problem-solving skills in a research-driven environment.
This position is open to all candidates.
 
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24/08/2025
Location: Tel Aviv-Yafo
Job Type: Full Time
Were looking for a top-notch Threat Detection Researcher to join our team
WHAT YOULL DO

Develop detections and tools to protect customers from cloud threats
Investigate attacks on cloud environments and malware targeting cloud workloads
Hunt and analyze real-world attacks and emerging cloud threats
Collaborate closely with the R&D team to transform research insights into product features
Work with customers in response to requests related to suspicious activity or potential incidents
Create best practices and security policies based on research findings
Deliver external-facing content (blog posts and talks at security conferences) based on security insights and novel research
Requirements:
6+ years of experience in security or threat research in which you conducted deep research with actionable conclusions and impacts
Intimate knowledge of OS internals (Windows/Linux) and networking
Familiarity with cloud services, Kubernetes, cloud environment architecture, and the major cloud providers (AWS, GCP, Azure)
Experience delivering security detections in customer-facing product(s)
The ability to learn independently, to be self-driven and goal-oriented
Excellent communication and teamwork skills
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
עדכון קורות החיים לפני שליחה
עדכון קורות החיים לפני שליחה
8316774
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