דרושים » אבטחת מידע וסייבר » Principal/Senior Linux Security Researcher (Cortex)

We are looking for a Linux Internals Software Engineer for our Tel Aviv R&D center. You will be part of a team that designs and develops the Linux internals components of our revolutionary endpoint security product for the Linux platform
More information about Cortex XDR product can be found here.
Key Responsibilities
Design and implement innovative capabilities for a market-leading product, deployed on a range of platforms from bare-metal to the cloud.
Develop critical components in the Linux internals parts of the product, including user and kernel-mode OS-related infrastructures in both C and C++.
Utilize cutting-edge Linux technologies for real-time event collection, anti-malware, anti-exploitation, and network filtering.
Lead features by collaborating and coordinating with other development and QA teams to ensure alignment on shared objectives.
Uphold and contribute to a team culture that values software development best practices and high standards for quality.

We are looking for a talented software engineer with experience in the linux security domain. People that can explore new technologies, design and develop from scratch innovative ideas and drive new detection capabilities and infrastructure at scale to our products.
What will you do?
The role includes end-to-end responsibility for new detection capabilities, starting from researching the landscape of new Linux/Containers related security technologies through designing detection strategies and algorithms and delivering them at scale. You will work on low-level Kernel hooks to complicated detection engines and pure system engineering challenges. Your deliveries will enhance the security of different Linux and cloud workloads platforms protected by our product, that serves thousands of users (from enterprise & public sector clients across the globe, incl. some of the largest companies globally).
What your role will look like:
Software Development (70-80% of time)
Conduct low level research and Design of new features
Peer code reviews; Participate in teams design reviews
Teamwork
Learn new technologies in the Linux and Cloud workloads security domains
Architect end-to-end security solutions for complex features with loose problem definition
Modeling and POC of solutions for complex problems
Support customers with issues and requests within the teams domain

At our company, we redefine cyber defense vision by combining AI and human expertise to create products that protect nations and critical infrastructure. This is more than a job; its a Dream job. we are where we tackle real-world challenges, redefine AI and security, and make the digital world safer. Lets build something extraordinary together.
our company's AI cybersecurity platform applies a new, out-of-the-ordinary, multi-layered approach, covering endless and evolving security challenges across the entire infrastructure of the most critical and sensitive networks. Central to our our company's proprietary Cyber Language Models are innovative technologies that provide contextual intelligence for the future of cybersecurity.
At our company, our talented team, driven by passion, expertise, and innovative minds, inspires us daily. We are not just dreamers, we are dream-makers.
The Dream Job
As a Senior Malware Researcher, you will analyze and reverse engineer malware and tooling used by advanced threat actors, particularly those targeting governments and critical infrastructure. You will apply deep expertise in binary and script analysis to uncover capabilities, configurations, and C2 infrastructure for threat actor attribution and mitigations.
Your work will power our companys malware catalog, strengthen our understanding of threat actors technical capabilities, and directly support the development of next-generation AI-driven "artificial cyber researchers".
The Responsibilities
Perform in-depth static and dynamic analysis of malware, implants, loaders, and related tooling used by APTs and other sophisticated adversaries.
Reverse engineer binaries and scripts (e.g., PE, ELF, .NET, PowerShell, JavaScript/VBA) to determine capabilities, execution flow, persistence mechanisms, and evasion techniques.
Extract and document configuration data and C2 information, and map these to campaigns, infrastructure, and threat actors in collaboration with CTI researchers.
Develop and maintain detection and hunting artifacts such as YARA rules, VT LiveHunt queries, CAPA rules, and sandbox behavior signatures.
Work closely with CyberAI researchers on the development of next-generation artificial cyber researchers and AI-driven analysis capabilities.

The Security & Information team is looking for someone who is passionate about technology and has a roll-up-their-sleeves mentality to join our global team. Youll play a crucial role in enhancing our security infrastructure, improving networking, ensuring scalability, and maintaining strong security as we continue to grow. If you want to be an industry leader, on a team experiencing hyper-growth, look no further!
Responsibilities :
Operates as the primary escalation point for critical security alerts, performing deep-dive DFIR investigations, analyzing attacker techniques and vectors, proactively hunting threats, and directing incident response activities.
Lead SecOps projects from inception to execution, ensuring effective implementation and ongoing maintenance.
Mentor a team of SecOps experts, providing technical guidance in a fast-paced environment.
Research how to leverage security telemetry and existing security solutions to improve triage and automated response.
Work cross-functionally to refine and evolve agentic workflows that drive automated security operations.
Coordinate investigation, containment, and other response activities with business stakeholders and groups.
Perform hands-on forensic investigations, log reviews, cloud investigations, and root-cause analysis
Develop incident analysis and findings reports for management, including gap identification and recommendations for improvement.

Job description Appdome is looking for a talented, passionate Offensive Researcher to join our innovative research team. If you’re eager to explore cutting-edge mobile security techniques and help safeguard the mobile app ecosystem, this is the role for you! As a key player in our security team, you'll design and execute sophisticated attack simulations on the Appdome platform. Your work will touch on diverse attack vectors, including file systems, networks, jailbreaks, memory injections, and more.

We are looking for a talented detection engineer, someone who looks at the world differently, who explores, hunts, lives to beat the system and challenge it. Someone who can address tough security problems and deliver solutions quickly.
What will you do?
You will be responsible for detecting the newest malware and exploits based on SentinelOnes EPP platform. The role includes an end to end responsibility for behaviour based detection capabilities, starting from reversing the samples, designing new methods to detect or prevent those, and implementing it in the product in the end. You will be developing and using internal research tools, PoCs and discovering new ways to detect/prevent exploitation attacks (EoP, drive-by attacks and more). At the end of the day, your deliveries will enhance the security of dozens of millions of Windows endpoints which are protected by our platform.

We are seeking a highly skilled and experienced Windows Internals Team Leader to lead a specialized attack team focused on developing offensive, production-ready attack capabilities. This is a research and development (R&D) role at the core of our offensive security efforts. You will be responsible for architecting and delivering advanced low-level attack components used in evasion techniques, red team tooling, and adversary simulations.

You will be hands-on in both leadership and development, guiding technical direction, mentoring engineers, and contributing code across kernel-mode and user-mode components.

The Impact You Will Have

Lead the design, development, and deployment of production-grade offensive capabilities targeting Windows systems
Develop low-level Windows components including kernel-mode code, user-mode loaders, and OS-level evasion mechanisms
Implement Python bindings to connect native low-level components with Python-based research tools and automation
Debug complex issues in both kernel and user space using tools such as WinDBG and KD
Research and develop bypass techniques for modern Windows security controls
Collaborate with the Research Team and other R&D stakeholders to implement and refine offensive concepts
Provide technical mentorship and drive engineering best practices within the team

We are looking for an experienced Security Engineer to join our security operations team with a strong focus on detection and response.
This is a unique opportunity to leverage your threat detection and response experience and build some of the foundational systems and services to keep our infrastructure free from malicious actors and threats. You will partner closely with all engineering teams, IT administrators, and compliance analysts to ensure that we maintain sufficient visibility into our environments and develop effective programs and practices to ensure that our environments are always secure. Tooling and automation will be key to success as we scale our environments to meet customer demand.
What You Will Do:
Collaborate with different teams for building and setting up pipelines needed to gather relevant security telemetry.
Build and maintain an effective and scalable security monitoring infrastructure solution.
Develop detection strategies to identify anomalous activity and ensure that our critical infrastructure and services operate in a safe environment.
Triage alerts and drive security incidents to closure while reducing their potential impact to Semperis.
Build processes and workflows to triage security alerts and respond to real incidents.
Research new threat attack vectors and ensure that our detection and response capability is in line with the current threat landscape.
Proactively improve the quality of our detection rules and strive to eliminate classes of issues by working directly with engineering teams.
Contribute to strategy, risk management, and prioritization for all efforts around detection and response.
Collaborate with the compliance team to maintain and audit security controls and processes, ensure compliance with relevant security frameworks and certifications.
Pragmatic implementing business-focused controls to safeguard the companys multi-cloud entities.

The Research team at our company takes on the immense challenge of identifying and stopping malicious activity across vast streams of traffic. By crafting innovative solutions, we empower our products to make trillions of decisions every day with unparalleled precision.
Our work directly impacts the safety of the internet and ensures that remains the best-in-class solution for our customers, standing strong against the ever-evolving tactics of attackers.


Were looking for a Senior Web Security Researcher to be part of a team of highly skilled professionals that include security researchers, data researchers, data scientists and software engineers who continuously hunt for threats, evaluate and develop new detection techniques, and share intel and attribution for cybercrime activity with the goal of protecting our customers while keeping the internet human.
What you'll do:

Play a lot with the web-browsers, trying to find differences in behavior between them.

Research and develop signal collection on both mobile and desktop, which enables detection and improve our protection

Find ways to detect automation, for example, tools like Selenium, Playwright or Puppeteer.

Understand customer specific requirements, deliver with impact and exceed customer expectations.

Discover adversary tactics, techniques, and procedures leveraged by bots.

Create and validate data insights to enhance detection excellence.

Share security research topics through blogs, research talks, knowledge base and external engagements including conference presentations, detailing your discoveries for internal and external sharing.

Find bad stuff on the internet, see if you can figure out how it is done, document it.

Red team, experiment, and develop new tactics for various kinds of fraud and to bypass our detection, no need to wait for an attack to be discovered and used by adversaries first.
Stay abreast of cyber security trends and events related to our mission.

Contribute high impact work that substantially benefits team level metrics and OKRs.

Develop techniques, tools and scripts to simplify yours and others work.

We are looking for a visionary VP of Research to lead our elite research group, based out of our Tel Aviv R&D center. Reporting directly to the CTO, you will be responsible for the companys threat research strategy, driving original vulnerability discovery, and ensuring our "Hackers Playbook" remains the most comprehensive in the industry.

This is a highly visible role that balances deep technical leadership with external evangelism. You will not only manage a team of top-tier security researchers but also serve as the public face of our research. You will be presenting at major global conferences, briefing executive customers, and shaping the industry narrative on offensive security.

THE IMPACT YOU WILL HAVE

Research Leadership & Strategy

Lead, mentor, and grow a high-performing team of security and threat researchers.
Define the research roadmap, balancing original vulnerability research (novel attack vectors) with threat intelligence (analyzing emerging APTs, ransomware, and TTPs).
Foster a culture of innovation, guiding the team to discover new attack surfaces in Windows, Linux, macOS, and LLMs.
Thought Leadership & Evangelism

Serve as a primary spokesperson . You must have a proven track record of speaking at top-tier industry conferences (e.g., Black Hat, DEF CON, RSA, BlueHat).
Drive the creation of high-impact technical content, including white papers, technical blogs, and press commentary on breaking security news.
Represent in the media and create relationships with the broader security community.
Product & Business Alignment

Collaborate closely with Product Management and R&D to translate research findings into product capabilities.
Ensure our customers are protected against the latest threats (e.g., US-CERT alerts, Flash reports) within hours of disclosure.
Customer Engagement

Act as a trusted advisor to C-level executives (CISOs, CIOs) at our strategic customers.
Support the Sales and Customer Success teams by providing deep technical insights during high-stakes briefings and QBRs.