דרושים » תוכנה » Senior Windows Low Level Engineer - Endpoint security

We are seeking a highly skilled Software Engineer with a background in low-level programming and a deep understanding of Windows internals to join one of 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)

Cynet is looking for an experienced Windows C++ Developer to join our award winning Windows EDR team!


What will you do:

* As a core member of the Windows development group, you will take part in designing and implementing drivers, services, and low-level components of Cynet’s EDR agent.
* You will work in a complex multithreaded environment, collaborate closely with security researchers, and develop innovative detection and protection capabilities across Windows OS internals.
* You will own features end-to-end from design and architecture, through hands-on implementation, performance tuning, and integration into our production environment.

About Us:
Cynet is a leader in threat detection and response, designed to simplify security for organizations of all sizes. Our mission is to empower lean security teams and their partners with an AI-powered, unified platform that autonomously detects, protects, and responds to threats - backed by 24×7 security experts. With a Partner First mindset , we focus on helping customers and partners stay protected, operate confidently, and achieve their goals. Our vision is to give every organization true cybersecurity peace of mind, providing fast, accurate protection without the noise or complexity.

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.

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

We are looking for a motivated and experienced Senior Software Engineer to join our Cloud and K8s Group. The successful candidate will possess a strong technical background in low-level systems programming and will excel in developing performant, efficient, and reliable software across multiple operating systems. Expertise in C++ and deep knowledge of Linux, macOS, and Windows internals are essential for this role, as you will be instrumental in building and optimizing our agent.

Key Responsibilities:

Design, implement, and optimize low-level system software components and libraries with a focus on performance and efficiency.
Analyze and debug complex issues related to operating system internals (kernel, drivers, memory management) across Linux, macOS, and Windows platforms.
Develop networking capabilities and optimize networking stack interactions within software modules.
Write clean, maintainable, and well-tested C++ code, while mentoring and reviewing peers contributions.
Collaborate closely with infrastructure, security, and product teams to design scalable and secure systems.
Contribute to CI/CD pipelines and automation workflows to streamline build, test, and deployment processes.
Develop and maintain scripting tools (e.g., Python, Bash, PowerShell) to support development and operational tasks.
Stay up to date with emerging technologies in systems programming, cybersecurity, and networking to continuously improve our solutions.

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.
: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.

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.

Required Senior Software Engineer - CWPP Team
Were looking for driven and talented people like you to join our R&D org. and our mission to change the future of cloud security. Ready to dive in and swim with our pod?
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.

Cynet is looking for an End Point Protection Platform Group Lead to join us. As a Group Lead, you will play a key role in building Cynet’s resilient, cutting?edge XDR security solutions.

What will you do:

* Manage four Team Leads across low?level C++ and .NET domains
* Aid, guide and provide hands-on leadership to a team of talented core Developers using C++ and .NET
* Technically manage, mentor, review and improve the quality of the code and process
* Work closely with Product, QA and DevOps teams
* Manage the delivery of multiple, complex, simultaneous development projects from design to release
* Make key decisions to ensure the successful implementation of all initiatives

About Us:
Cynet is a leader in threat detection and response, designed to simplify security for organizations of all sizes. Our mission is to empower lean security teams and their partners with an AI-powered, unified platform that autonomously detects, protects, and responds to threats - backed by 24×7 security experts. With a Partner First mindset , we focus on helping customers and partners stay protected, operate confidently, and achieve their goals. Our vision is to give every organization true cybersecurity peace of mind, providing fast, accurate protection without the noise or complexity.

Join our company and become a key leader in building the most innovative endpoint security solution in the world. Our sensor development team is responsible for building the endpoint sensor which deploys on multiple platforms including Windows, Mac, and Linux. As a Software Engineer, you will be expected to have ownership over major components and development projects. You will be required to assist with architecting solutions and support in implementing our core features. Features will cross-cut most core OS subsystems such as file system, memory and process, and networking. Many features are also built in a way that they will have shared components across multiple platforms. You need to be able to lead projects efficiently while maximizing performance and minimizing costs, making sure high standards are being followed when it comes to design, coding quality, and unit and component testing.
What You'll Do:
You will be joining the Identity protection team that delivers detection and prevention of identity related incidents in the organizational network using the falcon sensor and cloud. You will work with an experienced team of capable developers and participate in establishing the Israeli R&D center of one of the most innovative and exciting software companies in the world today.
In this role you will be responsible for building an efficient lightweight sensor for Active Directory servers. You will participate in implementing the next generation of our companys world-leading Identity Protection technology.