Software Engineer - Host Networking

Meta; Montgomery (AL); On-site; USD 184,000 - 257,000; Full time

Job summary

Meta is seeking experienced software engineers to design and validate drivers, firmware, and software for world-scale network devices, AI workloads, and datacenter switching. You will debug system-level issues, lead performance tuning, and collaborate with multiple teams to deliver scalable solutions.

The role emphasizes developing automated test suites, integrating components across hardware and software teams, and building services to manage switch forwarding at scale in Meta's hyper-scale

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or equivalent practical experience.
• 7+ years software development experience in industry settings or PhD with 4+ years of experience.
• 3+ years of experience with network devices (routers, switches, adapters, or load balancers) and knowledge of network switching/routing protocols.
• Proficiency in C/C++ and at least one scripting language (Python/Shell Scripting).
• Experience developing and automating test suites.
• Experience collaborating with cross-functional teams (hardware, firmware, test) to define and deliver technical solutions.

Responsibilities

• Design, develop, and validate drivers, firmware, and software for network devices and AI workloads.
• Debug complex system-level issues and perform performance tuning to optimize software stack.
• Lead integration efforts across partner teams and drive ongoing development.
• Develop and automate test suites for CI/CD and various components.
• Collaborate with partner teams to integrate software components and participate in oncall rotations.
• Design, develop, and deploy services to manage datacenter network switches and forwarding functions.
• Build infrastructure to maintain switch state and enable service communication at scale.

Skills

C/C++

Python/Shell scripting

Test automation

Cross-functional collaboration

Performance tuning

System-level debugging

Education

Bachelor's degree in Computer Science/Engineering or equivalent

Tools

QEMU

FPGA Emulation

Linux kernel/network stack

BSP/RTOS/Linux

Job description

Summary

At Meta, we're building and operating one of the world's most dynamic and fast-paced networks, powering our global data centers and supporting advanced 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're seeking software engineers to join our teams and help build scalable distributed systems, develop effective solutions to our challenges, and ship them into production. As part of our network engineering teams, you'll have the opportunity to work on advanced switching technology, collaborate with engineers, and contribute to the development of Meta's hyper-scale network infrastructure.

Required Skills

Software Engineer - Host Networking Responsibilities:

1. Design, develop, and validate drivers, firmware, and software for network devices, transport stacks, and AI workloads


2. Debug complex system-level issues and lead performance tuning exercises to optimize software stack performance


3. Understand software components from multiple partner teams, lead integration efforts, and drive continued development


4. Develop and automate test suites for CI/CD framework and various components


5. Collaborate with partner teams to integrate software components, align on goals, and participate in oncall rotations


6. Design, develop, and deploy services to manage datacenter network switches and forwarding functions


7. Develop infrastructure to maintain switch state and enable communication between services at scale

Minimum Qualifications

1. Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience


2. 7+ years software development experience in industry settings or PhD with 4+ years of experience


3. 3+ years of relevant experience with network devices and products (routers, switches, adapters, or load balancers) and an understanding of network switching/routing protocols in industry settings


4. Proficiency in C/C++ and at least one scripting language (Python/Shell Scripting)


5. Experience with developing and automating test suites


6. Experience collaborating with cross-functional teams (e.g., hardware, firmware, test) to define and deliver technical solutions

Preferred Qualifications

1. Working knowledge of transport stack particularly Remote Direct Memory Access (RDMA) and/or RDMA over Converged Ethernet version 2 (RoCEv2)


2. 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, Bootloader, Power Management, Real-Time Operating System (RTOS), Linux


3. Systems programming, TCP/IP, HTTP/HTTPS, SPDY, DNS, and load balancers


4. Qemu, FPGA Emulation environment is a plus


5. Linux Kernel, especially drivers and network stack


6. Parallel computing platforms such as CUDA, ROCm and OpenCL

Public Compensation

$183,997/year to $257,000/year + bonus + equity + benefits

Industry

Internet

Equal Opportunity

Meta is proud to be an Equal Employment Opportunity and Affimative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment.

Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at [e-mail].