Software Engineer - Host Networking

Meta; Annapolis (MD); On-site; USD 184,000 - 257,000; Full time

Benefits offered by this job

Bonus

Equity

Benefits

Job summary

Meta is seeking software engineers for host networking to design and implement drivers, firmware, and software for network devices and AI workloads. You will work across teams to optimize performance, contribute to CI/CD test suites, and help deploy scalable services for datacenter networks.

Ideal candidates have strong C/C++, Python skills, and 3+ years with network devices, plus experience collaborating across hardware, firmware, and software groups.

Qualifications

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

Responsibilities

• 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 to optimize software stack performance.
• Understand components from partner teams, lead integration efforts, and drive continued development.
• Develop and automate test suites for CI/CD framework and components.
• Collaborate with partner teams to integrate software components and participate in on-call rotations.
• Design, develop, and deploy services to manage datacenter network switches and forwarding functions.
• Develop infrastructure to maintain switch state and enable communication between services at scale.

Skills

C/C++

Python

Shell scripting

Test automation

Networking

Cross-functional collaboration

Linux

Education

Bachelor's degree in Computer Science/Engineering

Equivalent practical experience

Tools

RDMA

RoCEv2

Qemu

Linux kernel drivers

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:

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:

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 Affirmative 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].