דרושים » תוכנה » Senior Windows Internals Engineer (Cortex)

We are seeking a Principal Windows Internals Engineer for our Tel Aviv R&D center. In this role, you will be a key member of the team that designs and develops the low-level Windows components for our revolutionary Cortex XDR endpoint security product, directly contributing to our mission of protecting our digital way of life from advanced cyberattacks.
Key Responsibilities
Contribute to the research and development of Windows drivers, services, and other system-level components.
Challenge the status quo by finding and implementing innovative solutions to counter sophisticated cyberattacks.
Proactively collaborate and exchange information with engineers, security researchers, and product managers to lead projects and initiatives.
Design, develop, and debug complex, high-performance, multi-threaded code in C++.
Conduct in-depth analysis of system internals and focus on the details to produce robust, high-quality security features.
Apply learning from security research and reverse engineering to simplify complex problems and develop practical solutions.

As a Senior Software Developer , your daily mission involves designing and developing advanced capabilities to extract digital evidence from modern Android and IOS devices. You will tackle some of the toughest security protections such as PAC, Secure Elements, Code Signing, Hypervisors, and more. Working in the heart of the Digital Intelligence Labs group, you will contribute to productizing world-unique capabilities that enable law enforcement and private sector customers to conduct legally sanctioned digital investigations effectively and securely. This role requires a combination of deep technical knowledge, creativity, and persistence to solve complex problems while collaborating closely with top researchers and engineers. Your work will have a direct impact on investigations that save lives and uphold justice globally.



Key Responsibilities:
* Lead and contribute to the development of new extraction technologies for Android and IOS platforms.
* Analyze and reverse-engineer low-level OS internals and security mechanisms.
* Develop robust system -level software in C, C ++, and Python.
* Collaborate with cross-functional teams to design, TEST, and integrate new capabilities into Cellebrites Digital Intelligence platform.
* Stay current with emerging mobile security technologies and forensic challenges.
* Share knowledge and best practices within the team to elevate overall engineering quality.

Office Location:
Tel Aviv

Required Senior Software Engineer - CWPP Team
About the role:
As a Senior Software Engineer on the CWPP (Cloud Workload Protection Platform) team, youll be part of a core group responsible for protecting our customers cloud workloads at scale. Our team scans and analyzes a wide variety of cloud assets - from virtual machines and container images to object storage buckets and databases, to uncover vulnerabilities, secrets, misconfigurations, and other security risks.
This role offers a unique opportunity to build the infrastructure that powers our deep forensics engine. Youll help reconstruct customer file systems across multiple operating systems, extract OS-level and application-level metadata, and enable our security researchers to detect threats and vulnerabilities quickly and reliably. Your work will directly impact the safety and security of thousands of cloud environments worldwide.
Were looking for engineers who are passionate about operating system internals, large-scale distributed systems, and cloud security, and who want to make a meaningful impact by building robust, high-performance security platforms. This is also a great opportunity to take ownership, lead initiatives, and grow through collaboration, mentorship, and technical leadership.
Our Stack: Python, Linux & Windows internals, Container Runtimes, Postgres, Redis, Kafka, AWS, GCP, Azure
On a typical day youll:
Design, implement, and maintain scalable backend services for scanning and analyzing cloud workloads (VMs, containers, buckets, databases, etc..)
Build infrastructure for reconstructing file systems across different operating systems (Linux and Windows) to enable deep analysis
Integrate security detection engines for vulnerabilities, secrets, compliance, and malware
Collaborate with security researchers and product managers to translate complex requirements into impactful product features
Write clean, efficient, and testable code, ensuring high performance and reliability
Participate in design and code reviews to uphold technical excellence and team standards
Lead features end-to-end - from design and planning to deployment and monitoring
Improve system observability, performance, and resilience in production environments
Stay current with developments in the cloud security landscape, vulnerability management, and OS internals.

As an Agent Engineer on our companys Endpoint team, you will play a pivotal role in developing our endpoint agent, taking full ownership from design to production. Your work will focus on creating efficient and secure detection and prevention capabilities, implementing robust command and control processes, and ensuring top-tier performance and reliability. Key responsibilities include:
Designing and developing high-performance, resilient solutions from concept to production.
Optimizing code and leveraging new technologies to enhance system performance.
Collaborating with skilled backend engineers to implement best practices and maintain architectural excellence.
Writing clean, efficient, and well-tested code to ensure reliability and security.
Our Tech Stack:
Rust | WinAPI | Tokio | OpenAPI | Protobuf.

We are looking for a senior Windows developer who is passionate about software design, code quality, and performance. The job involves writing production-grade and highly performant code that will be shipped to thousands of endpoints. The role includes developing for the Windows kernel to collect the necessary data as well as writing user-mode code for integrating the kernel driver into our sensors architecture.
The Responsibilities
Write production-grade C/C++ code to create robust and high-performance software drivers and applications for Windows.
Investigate possibly undocumented system behavior to enable product features or to resolve software issues.
Optimize code for maximum efficiency and resource utilization, ensuring the smooth operation of our solutions.
Collaborate closely with operating system internals to gather essential data for analyzing abnormal behavior on endpoints.
Participate in code reviews with an emphasis on design and code quality, ensuring the team adheres to best practices.
Work effectively within a team, contributing to a collaborative and innovative development environment.
Apply your problem-solving abilities to address complex technical challenges in the cybersecurity domains.

We are seeking a highly skilled and experienced Software Engineer with a strong background in low-level programming and a deep understanding of Windows internals to join our Platform group.
Platform group is in charge of some of our most complex low-level areas, such as Windows agents Anti-Tampering (self-protection from a malware attempting to harm the agent), network sensors, and other kernel-side features involving both research and development.
By joining this team you will collaborate with talented engineers who are leading a feature through the whole development lifecycle. Your work will have an impact on millions of endpoints in one of the mainstream areas of the EPP/EDR agent.
What will you do?
As a new member of our distributed development team, you will work in both user-mode & kernel-mode, and deal with a large variety of fields. You will have the chance to design, develop primarily in modern C++ (23), test and debug the most complicated real world problems (often unseen before). In order to successfully deal with this challenge, you will continuously enrich your knowledge and experience with Windows OS internals and the Endpoint Protection as well as Endpoint Detection & Response eco-system.
Our team designs and executes significant new features, as well as rewrites and reimplements the existing ones from scratch. You will also deal with extraordinary performance & optimization challenges, given the scale of our cybersecurity SW (handling hundreds of billions of events every day).
Your work will influence the security of tens of millions of Windows devices, that we protect at enterprise & government customers across the globe (incl. 5 of Fortune 10 and hundreds of Global 2000)

We are looking for a top-talented software engineer with experience in the low-level development and\or security domain, to be a founding member of our new Data Protection team. In this role, you will take end-to-end ownership of building next-generation data protection capabilities from the ground up, spanning multiple technologies, services, and layers of the product.
This is a true builder role for someone who thrives with an owners mindset, embraces ambiguity, and enjoys close collaboration, and can bridge between deep kernel/system internals into a production-grade product, integrating multiple components into a cohesive, high-impact security solution.
What will you do?
Design and implement low-level agent modules (using C++ or Rust), capable of monitoring data access and movement with minimal performance overhead.
Research and evaluate technologies for building high-fidelity sensors that track data access.
Develop robust, scalable, and performant code that operates reliably across multiple operating systems and environments.
Collaborate closely with Core Agent, Backend, and Frontend teams to deliver a unified, user-facing, next-generation data protection product.

Required Software Engineer
Position Overview:
As a Senior Software Developer, your daily mission involves designing and developing advanced capabilities to extract digital evidence from modern Android and iOS devices. You will tackle some of the toughest security protections such as PAC, Secure Elements, Code Signing, Hypervisors, and more. Working in the heart of the Digital Intelligence Labs group, you will contribute to productizing world-unique capabilities that enable law enforcement and private sector customers to conduct legally sanctioned digital investigations effectively and securely.
This role requires a combination of deep technical knowledge, creativity, and persistence to solve complex problems while collaborating closely with top researchers and engineers. Your work will have a direct impact on investigations that save lives and uphold justice globally.
Key Responsibilities:
Lead and contribute to the development of new access and extraction technologies for iOS platforms.
Develop robust system-level software in and Python, C, C++.
Take part of developing our next solution.
Collaborate with cross-functional teams to design, test, and integrate new capabilities into our Digital Intelligence platform.
Stay current with emerging mobile security technologies and forensic challenges.
Share knowledge and best practices within the team to elevate overall engineering quality.

The company DLP Team is an innovative unit dedicated to redefining data loss prevention through cutting-edge AI and large language models. As a leader in data security, our company empowers organizations with advanced intelligence, enabling them to understand, protect, and control sensitive data across all environments. With the backing of top-tier cyber investors and a leadership team of industry pioneers, we are rapidly scaling to meet the increasing global demand for its transformative solutions.
In todays cloud-driven landscape, organizations face mounting challenges in locating and securing sensitive information. our companys advanced classification engine addresses this complexity by providing deep visibility and precise tracking of sensitive data-whether it resides in emails, collaboration tools, or enterprise databases. Our platform empowers security teams with accurate data classification, movement mapping, and prioritized protection, proactively preventing data leaks before they occur.
To drive our ambitious vision forward, we are expanding our engineering team to tackle high-scale challenges at the intersection of AI and data protection. If you're passionate about building innovative solutions in this space, join us and help shape the future of DLP at our company.
What Youll Do:
As an Agent Engineer on our companys Endpoint team, you will play a pivotal role in developing our endpoint agent, taking full ownership from design to production. Your work will focus on creating efficient and secure detection and prevention capabilities, implementing robust command and control processes, and ensuring top-tier performance and reliability. Key responsibilities include:
Designing and developing high-performance, resilient solutions from concept to production.
Optimizing code and leveraging new technologies to enhance system performance.
Collaborating with skilled backend engineers to implement best practices and maintain architectural excellence.
Writing clean, efficient, and well-tested code to ensure reliability and security.
Our Tech Stack:
Rust | WinAPI | Tokio | OpenAPI | Protobuf.

our company Cloud Security was born out of the acquisition of Ermetic, an innovative cloud-native application protection platform (CNAPP) company, and a leading provider of cloud infrastructure entitlement management (CIEM). The acquisition combines two cybersecurity innovators and marks an important milestone in our companys missi
on to shift organizations to proactive security. The combination of our company and Ermetic offerings will add capabilities to deliver market-leading contextual risk visibility, prioritization and remediation across infrastructure and identities, both on-premises and in the cloud.
Your Role:
Design, develop, and maintain complex, scalable, and high-performance systems with a focus on writing clean, efficient, and maintainable code.
Collaborate with cross-functional teams, including product managers and architects, to implement technical solutions aligned with business objectives.
Provide input on architectural design and participate in technical planning to ensure long-term maintainability and compliance with standards.
Identify and troubleshoot production issues, conducting root cause analysis and implementing fixes to ensure system reliability.
Contribute to code reviews and technical discussions, sharing knowledge and fostering a culture of collaboration and continuous improvement.
Your Opportunity:
Develop critical components and systems that drive business outcomes, while maintaining and enhancing core infrastructure for scalability and reliability.
Participate in the design and development of new features, integrations, and enhancements to software applications, databases, and interfaces.
Support and improve automated testing and deployment processes to ensure smooth delivery of new features and system updates.
Collaborate with other senior engineers to drive the technical direction of projects and ensure high-quality software delivery.