דרושים » תוכנה » Principal Kernel Engineer

we are looking for a Senior Core Datapath Engineer.
Roles and Responsibilities:
Design, develop, and enhance I/O subsystems, virtualization, kernel programming, and memory management for cutting-edge system software products.
Drive performance optimization, and efficient memory management.
Perform in-depth debugging, triaging, and resolution of user and kernel-level, performance profiling, and memory-related issues.
Develop innovative solutions, addressing challenges in virtualization, multithreading, and hardware-software interaction.
Explore and implement new methodologies fostering continuous improvement and innovation.
Proactively identify bottlenecks in system design, and recommend and implement robust, scalable solutions.
Stay updated on evolving trends in kernel development, design, and virtualization technologies to bring innovative practices to the team.
Troubleshoot and optimize complex I/O and kernel features to enhance performance, scalability, and reliability.
Collaborate with cross-functional teams to align on design goals and ensure seamless integration with the system architecture.
Exhibit flexibility in taking on new or related tasks, showcasing adaptability and a proactive, problem-solving mindset.
Provide technical leadership in architecture design, problem-solving, and decision-making across complex technical domains.
Lead technical discussions, design reviews, and decisions on critical system challenges, driving the adoption of innovative solutions and best practices.

Join us as a Principal Member of Technical Staff on our Lightning team in Israel to do the best work of your career and make a profound social impact. As a core member of our elite innovation unit, you will architect and build next-generation AI/HPC storage platforms enabling massive-scale "AI Factories."

You will operate as a deep technical leader, influencing architecture and solving complex system-level challenges across distributed filesystems and performance engineering.

As a member of Technical Staff, you will be responsible for designing and building next-generation distributed storage systems for AI and HPC workloads, focusing on extreme performance and scalability. You will work with product architects and global engineering teams on advanced filesystems, data services, and performance-critical platform innovations.

You will:

Architect extreme-scale distributed storage systems tailored for AI model training and large-scale GPU clusters.

Design and develop high-performance, multi-threaded components in C/C++ on Linux/Unix platforms.

Lead the evolution of parallel filesystems (Lustre, GPFS) and scale-out NAS architectures.

Drive end-to-end performance analysis and optimization, identifying and eliminating bottlenecks in I/O paths and memory usage.

Partner with product architects and senior leadership to translate complex customer requirements into scalable, resilient technical solutions.

we are looking for a Mobile SDK Engineer.
The Core SDK team operates across Android and iOS platforms, with a long-term vision of a unified mobile SDK engineering team. Engineers collaborate across platform boundaries while maintaining deep expertise in their primary mobile ecosystem.
Operating at the intersection of mobile platforms and large-scale distributed systems, the team tackles complex challenges such as performance optimization, platform compatibility across thousands of devices, and maintaining highly reliable code that runs on billions of devices.
As the team evolves, we are also expanding beyond traditional mobile development and scaling engineering capabilities with AI. This includes building and using AI-powered tooling, MCP-based systems, and agent-driven automation to improve developer productivity, testing, and SDK innovation.
Engineers in the team therefore have the opportunity to work not only on mobile platform challenges, but also on emerging areas where mobile infrastructure, AI systems, and developer platforms intersect.
What youll do
Develop and maintain mobile SDK features used by developers worldwide
Design and implement reliable and performant SDK components across multiple mobile platforms and operating system versions
Take ownership of end-to-end quality, including design, implementation, testing, and production reliability
Debug and resolve complex issues across different devices, OS versions, and runtime environments
Improve SDK performance, stability, and reliability at scale
Develop and maintain SDK wrappers and integrations for cross-platform frameworks such as Unity, React Native, Flutter, and other mobile environments
Work with modern AI-driven engineering tools, automation systems, and internal developer platforms
Collaborate with engineers across mobile, backend, frontend, and platform teams
Participate in code reviews and contribute to engineering best practices

In this role, you will join a team of embedded/FW engineers focusing on system management, power, and thermal problems, working on most of our products. Youll collaborate with various teams around the world (mainly in the US) from different disciplines and organizations (architects, HW engineers, chip designers, SW engineers, etc.). Youll play a key role in bringing up FW in our SoCs as well as develop features for upcoming products. This role requires excellent interpersonal and collaboration skills, the ability to solve and debug complex problems, and to push forward significant projects to completion.

The job requires design and implement firmware for different processors in our next-generation chips.
Work closely with hardware and system teams to accomplish software/hardware integration
Actively participate in the bringup of new products (might require international travel).
Debug complex system-wide issues

Join us to do the best work of your career and make a profound social impact as a Senior Principal Software Engineer on our Lightning Engineering R&D team in Glil-Yam (Herzliya), Israel.

As a Senior Software Principal Engineer, you will be responsible for developing sophisticated systems and software based on the customers business goals, needs, and general business environment, creating software solutions.

You will:
Develop end‑to‑end storage features for the Lightning product, driving technical execution from requirements through design, implementation, testing, and deployment.
Architect and build AI‑driven infrastructure systems, breaking down complex initiatives, identifying dependencies and risks early, and defining software specifications with a strong security and quality focus.
Set the technical bar through hands‑on development and code reviews in C++, Python, and Linux environments.
Collaborate with and influence global teams, communicating technical decisions, progress, and risks clearly, while contributing actively in an Agile development environment.
Establish and evolve engineering standards and best practices as the organization scales.

we are looking for a Senior Low-Level Security Researcher.
As an Embedded security researcher, you will be dealing with:
Embedded systems reverse engineering.
Kernel drivers research and development.
Real-time Embedded End-to-End Low-Level software developments on various unique embedded platforms and environments.

Power the Future with us! At SolarEdge (NASDAQ: SEDG), we're a global leader in smart energy technology, with over 3,000 employees, offices in 34 countries, and millions of installations worldwide. Our innovative solutions include solar inverters, battery storage, backup systems, EV charging, and AI-based energy management. We're committed to making clean, green energy the primary power source for homes, businesses, and beyond. With the growing demand for electricity, the need for smart, clean energy sources is constantly rising. SolarEdge offers amazing opportunities to develop your skills in a multidisciplinary environment, covering everything from research and development to production and customer supply. Work with talented colleagues, tackle exciting challenges, and help create a sustainable future in an industry that's always evolving and innovating. Join us and be part of a company that values creativity, agility, and impactful work.
What you'll be doing in this position:
* Design and implement Smart Energy management solutions that connect smart devices using advanced and emerging protocols, ensuring exceptional performance, robust security, and seamless scalability.
* Develop and maintain high-quality code following best practices to ensure reliability, maintainability, and scalability.
* Work in a hardware-oriented environment, including integration with physical devices, troubleshooting complex setups, and validating software-hardware interactions
* Apply AI-driven tools and methodologies to accelerate development and enhance code quality.
* Work across multiple Embedded Linux platforms, contributing to complex system-level development and integration tasks.

Country:
Israel

City:
Herzliya

we are looking for a talented, hands-on and experienced DevOps Engineer to join our Operations team.

In this role, you will be responsible for ensuring the availability, reliability, and scalability of our production environments, proactively monitoring systems in real time and troubleshooting complex technical challenges. Youll work with modern cloud-native technologies, help improve operational efficiency, and play a key role in maintaining and evolving our infrastructure.

This is an opportunity to work on a fascinating and challenging product, gain exposure to innovative and diverse technologies, and join a fast-growing company that is leading its field. At Upstream, we invest in our people and support both personal and professional growth.

Were looking for someone with strong technical skills, a positive mindset and a constant drive for excellence.

This is a full-time, hybrid role based in Herzliya, Israel.

Responsibilities
Implement and operate large-scale Kubernetes and cloud solutions
Build and maintain infrastructure across AWS / Azure / GCP
Monitor customer infrastructure and production environments
Roll out processes for new services and applications
Enforce and maintain cloud and product security standards
Troubleshoot and resolve technical issues in customer environments
Develop and maintain infrastructure automation tools and workflows
Implement automation processes and AI-driven tools to improve operational efficiency

we are looking for a Senior Full-Stack Software Engineer.
As a Senior Software Engineer, you will be responsible for:
Designing and building scalable backend applications for next-generation identity solutions.
Collaborating with Product Management and engineering teams to deliver high-quality features.
Conducting design reviews and partnering with QA to deploy production code.
Collaborating across the organization with Data Science, Product, and Operations to build innovative components of Akamai's Big Data AI solutions.
Solving complex technical challenges proactively with a high success rate.
Participating actively in agile SCRUM planning and technical team meetings.
Optimizing and supporting the continuous integration and delivery pipelines.

Required Low-Level Developer
As a Low Level Developer, you will:
Play a central role in advancing the features and infrastructures of one of our security products
Lead features, end to end, from concept and design to production
Collaborate closely with multiple teams to analyze, develop and implement new workflows and features
Troubleshoot and debug complex flows
Find and implement creative solutions to technical challenges.