Software Engineer - Host Networking

Software Engineer - Host Networking role at Meta

Meta is building and operating one of the world's most dynamic and fast‑paced networks, powering our global data centers and supporting cutting‑edge technologies like AI, Generative AI, Recommendation engines, and Metaverse. Our network infrastructure teams are responsible for developing, deploying, and operating this complex system, covering the entire network lifecycle from hardware development to operation. We are seeking talented software engineers to build scalable distributed systems, develop innovative solutions, and ship them into production.

As part of our network engineering teams, you will work on cutting‑edge switching technology, collaborate with talented engineers, and contribute to the development of Meta’s hyper‑scale network infrastructure.

This range is provided by Meta. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

$85,100/year – $251,000/year

• Design, develop, and validate drivers, firmware, and software for network devices, transport stacks, and AI workloads
• Debug complex system‑level issues and lead performance tuning exercises to optimize software stack performance
• Understand software components from multiple partner teams, lead integration efforts, and drive continued development
• Develop and automate test suites for CI/CD framework and various components
• Collaborate with partner teams to integrate software components, align on goals, and participate in on‑call rotations
• Design, develop, and deploy services to manage datacenter network switches and forwarding functions
• Enhance HPC collective communication and parallel computing libraries (NCCL, RCCL, OneCCL, MPI)
• Develop infrastructure to maintain switch state and enable communication between services at scale

• Bachelor’s degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
• 7+ years of software development experience in industry settings or Ph.D. with 4+ years of experience
• 3+ years of relevant experience with network devices and products (routers, switches, adapters, load balancers) and an understanding of network routing protocols in industry settings
• Proficiency in C/C++ and at least one scripting language (Python/Shell Scripting)
• Experience developing and automating test suites
• Demonstrated experience working across disciplines to drive optimal solutions

• Systems programming, TCP/IP, HTTP/HTTPS, SPDY, DNS, and load balancers
• Linux Kernel, especially drivers and network stack
• Working knowledge of transport stack, particularly Remote Direct Memory Access (RDMA) and/or RDMA over Converged Ethernet version 2 (RoCEv2)
• QEMU, FPGA emulation environment is a plus
• Parallel computing platforms such as CUDA, RoCM, and OpenCL
• Experience with one of platform services (program, control, and monitor Optics, Physical Layer (PHY), FPGAs, sensors, fan control, power, etc.), Board Support Package (BSP), Operating Systems, Kernel, Boot loader, Power Management, Real‑Time Operating System (RTOS), Linux

Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and Whats App further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today—beyond the constraints of screens, the limits of distance, and even the rules of physics.

Meta is proud to be an Equal Employment Opportunity and affirmative action employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, transgender status, age, veteran status, disability, or other legally protected characteristics. We also consider qualified…