Demo

Network Systems Software Engineer

SpanIdea Systems
San Jose, CA Full Time
POSTED ON 4/15/2026
AVAILABLE BEFORE 5/14/2026

Job Overview

In the rapidly evolving AI and networking landscape, there is a growing need for high-performance and reliable infrastructure solutions. This role focuses on building robust, scalable, and production-ready networking software to support advanced systems and accelerate time-to-market.

As a Senior Software Engineer, you will design and develop software for a Network Operating System (NOS) on switch/router platforms. You will collaborate with cross-functional teams including architecture, testing, and hardware teams to deliver high-quality software solutions.

 

Key Responsibilities

  • Design and develop forwarding plane functionalities using standard interfaces (e.g., SAI). 
  • Work on end-to-end feature development including build, integration, and debugging of NOS components. 
  • Collaborate with stakeholders to gather requirements and provide technical solutions. 
  • Partner with cross-functional teams including QA and support for seamless delivery. 
  • Maintain comprehensive documentation for software and system designs. 
  • Contribute to and engage with open-source networking communities. 

 

Required Skills & Qualifications

  • Networking Expertise: Strong experience in forwarding plane technologies such as L2, L3, ACL, QoS, tunneling, and SRv6. 
  • Programming: Proficiency in C/C and Python. 
  • ASIC/SDK Experience: Hands-on experience with ASIC SDKs for forwarding plane programming. 
  • Open Source Exposure: Experience with open-source networking platforms such as SONiC or similar. 
  • Tools: Familiarity with development and CI/CD tools like GNU tools, Git, Jenkins, and Gerrit. 
  • Communication: Strong interpersonal and communication skills for cross-team collaboration. 

 

Education & Experience

  • Bachelor’s degree in Computer Science, Electronics, or a related field with 8 years of experience,
  • or 
  • Master’s degree with 6 years of experience.


Salary.com Estimation for Network Systems Software Engineer in San Jose, CA
$150,881 to $185,024
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