NOS Platform Engineer - Remote (SONiC/FBOSS)

cornelisnetworks; Austin (TX); On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) with match

Open Time Off

Job summary

Cornelis Networks is seeking a senior software engineer to join the Network Operating System team. You will lead platform porting, BSP development, and ASIC driver integration for our next-generation switch platforms, working across hardware bring-up and software layers.

You will collaborate with hardware, firmware, and SAI/SDK teams to deliver production-ready NOS, with AI-assisted development tools and a strong focus on performance, reliability, and open-source collaboration.

Qualifications

• BS in Computer Science or related field.
• 7–10 years of software engineering experience.
• Strong proficiency in C/C++ and Python.
• Linux systems programming and networking stack experience.
• Switch/networking hardware experience OR network operating system development experience.
• Strong debugging and problem-solving skills for complex hardware/software integration issues.
• Excellent communication and collaboration skills.
• Commitment to AI-first development practices and continuous learning of emerging AI tooling.

Responsibilities

• NOS Platform Integration: Lead platform porting and BSP development for switch ASIC platforms, including hardware bring-up, driver integration, and platform-specific adaptations.
• Hardware Integration: Integrate and validate ASIC drivers, optics/transceiver management, thermal/power management, and BMC/baseboard interfaces.
• Multi-NOS Support: Design platform abstractions and implementations to support both SONiC and FBOSS architectures.
• NOS Development: Design and implement control plane and data plane components for SONiC and FBOSS, ensuring seamless operation with underlying hardware.
• Platform Services: Develop and maintain platform services and daemons for hardware monitoring, configuration, and management.
• SAI/SDK Integration: Collaborate with SAI/SDK team to integrate switch abstraction layer with SONiC and FBOSS architectures.
• Test Infrastructure: Build and maintain test frameworks, automation, and CI/CD pipelines for NOS platform validation; write comprehensive unit and integration tests.
• Performance Optimization: Profile and optimize NOS performance for latency, throughput, and resource utilization.
• Open Source Collaboration: Engage with the SONiC and FBOSS open-source communities, contribute improvements where applicable, and stay current with upstream developments.

Skills

C/C++

Python

Linux

Network OS development

Education

BS in Computer Science or related field

Tools

GitHub Copilot

CI/CD pipelines

Job description

Cornelis Networks is seeking a senior software engineer to join the Network Operating System team. You will lead platform porting, BSP development, and ASIC driver integration for our next-generation switch platforms, working across hardware bring-up and software layers.

You will collaborate with hardware, firmware, and SAI/SDK teams to deliver production-ready NOS, with AI-assisted development tools and a strong focus on performance, reliability, and open-source collaboration.