Software Engineer Jobs in Sunnyvale, CA

Design and implement embedded firmware for vehicle platforms: integrate vendor components (CAN, LIN, I2C, SPI, UART), develop RTOS applications, write high-quality C code for real-time and safety-critical systems, support hardware bring-up and SoC debug, and collaborate with cross-functional teams to productionize and maintain products.

Lead development and maintenance of networking software for FortiSwitch VM and hardware, implement and fix L2/L3 features, work with Marvell SDKs and hardware teams, perform Linux kernel and driver-level development, and deliver high-quality features on schedule while troubleshooting and collaborating across teams.

Perform functional and performance testing (manual and automated) of high‑throughput firewall/packet‑processing platforms. Write and maintain automation scripts, follow build/test processes, design test beds, identify equipment, and log and track defects while collaborating with developers and QA teams.

Develop secured enterprise wireless products including Linux kernel and driver development for Wi‑Fi chipsets and implementation of Wi‑Fi security protocols. Collaborate with cross-functional teams, contribute to system design, and ensure high-quality, production-ready embedded software.

Develop secured enterprise wireless products and features, perform Linux kernel and driver development for WiFi chipsets, implement WiFi security protocols, participate across the software development lifecycle, and collaborate with a team of embedded software engineers to deliver product launches and features.

Lead QA for Fortinet product lines: review requirements, design and run test plans, develop automated scripts/tools (Robot Framework, Python), debug issues with developers, document bugs, monitor risks, and support international releases.

Design, develop, test, and maintain GenAI/LLM software and integrations for cloud and on-prem environments. Troubleshoot existing products, implement new features, ensure code quality with source control, optimize large-scale high-performance systems, and document maintenance procedures while collaborating across teams.

Senior engineering role to design, implement, and maintain networking software and core systems. Hands-on development, debugging, integration of 3rd-party and proprietary code, REST API work, multi-process/thread programming, and collaboration with cross-functional teams to deliver high-quality features on schedule.

Lead development and maintenance of embedded networking software for the FortiSwitch product line. Implement and debug L2/L3 features, integrate with switching ASICs, mentor junior engineers, ensure high-quality releases, and collaborate across engineering and product teams.

Design, develop, and maintain embedded software features for FortiGate/FortiSwitch switch-controller products. Fix bugs, optimize performance, implement high-quality features, perform code reviews, collaborate across teams, and document and communicate technical work.

Develop and maintain next-generation network security appliances: design, implement, and support Linux kernel and driver code for SoC-based systems and Broadcom/Marvell switch/PHY chips, build new features, and perform low-level debugging for firewall platform modules.

Design and implement secured enterprise wireless products. Perform Linux kernel and driver development for WiFi chipsets, implement WiFi security protocols, and contribute to network/system design, debugging, and feature development across the product lifecycle.

Design, develop, and execute wireless QA test plans and functional test cases for WLAN products. Find, document, track, and help resolve defects; automate and maintain test infrastructure; support integrated testing with cross-functional teams; debug root causes and optimize automation; report status to management.

Design, implement, and maintain embedded networking software for Ethernet switching products. Debug and fix existing code, collaborate with hardware teams, implement L2/L3 features, work with POSIX/System V multithreading, assist in system installation/troubleshooting, and produce high-quality, timely software.

Lead frontend design and delivery of data-intensive, real-time generative-AI user experiences. Build interactive dashboards, streaming UX, scalable state, and integrations with backend systems; mentor engineers and collaborate with product, design, and AI teams to improve latency, accuracy, and user trust.

Design, implement, and maintain cloud solutions and FortiWeb software. Fix bugs, develop new features, research new technologies, document and version-control code, and produce technical documentation.

Develop secured enterprise wireless products and features, including Linux kernel and driver work for WiFi chipsets, implementing WiFi security protocols, and contributing across the full software development cycle for enterprise wireless solutions.

Design, build, and enhance the FortiSASE platform focusing on scalability, reliability, AI-driven features, telemetry analytics, data persistence, and RESTful APIs. Collaborate with engineering, product, and operations teams to architect solutions, evaluate emerging AI/ML technologies, troubleshoot production issues, and drive MLOps and observability practices.

Design, execute and maintain functional and automated tests for high-end firewall and carrier networking products. Build and optimize virtual/hardware test environments, run CI/CD aligned testing, troubleshoot network and VM issues, document defects, and collaborate with developers and QA to validate new features.

Design and implement high-performance firewall and packet-processing modules for a virtualized/cloud environment. Own performance-critical kernel- and user-space code, prototype new technologies, and work with QA to resolve bugs.

Develop and maintain scalable, cloud-native networking and security software. Implement features, fix bugs, optimize management/control/dataplane systems, and collaborate with DevOps and QA to deliver high-quality, containerized products.

Develop, test, debug, and maintain Fortinet's GenAI/ML software systems. Implement new features, perform system integrations (cloud and on-prem), ensure code quality via source control, optimize existing systems, and document maintenance procedures while collaborating across teams.

Design, implement, maintain, and improve embedded software and core platform modules for firewall and networking appliances. Develop low-level components (device drivers, kernel modules, BSPs), optimize performance and reliability, collaborate with hardware and QA for board bring-up and validation, debug across hardware/software layers, follow secure coding practices, and participate in design, testing, CI, and long-term platform improvements.

Design, implement, and maintain scalable cloud-native networking and security software for a next-generation SASE platform. Fix bugs, optimize performance, collaborate with DevOps and QA, and deliver high-quality features for distributed, microservice-based systems.

Design, develop, and execute functional, system, scaling, throughput, stress and soak tests. Create and maintain automated test scripts, find/isolate/document bugs, and track them to resolution. Diagnose and reproduce customer issues, engage in live troubleshooting, collaborate with developers and QAs, and produce documentation and training. Focused on networking, security, VoIP, and traffic-generator based testing.