Drimva

Zscaler

Principal Software Development Engineer

$186K–$265K

Santa Clara, California, USA · Principal · Full-time · Posted Aug 25, 2026

Experience
10+ years in system engineering for high-performance networking.
Education
Bachelor's or Master's degree in Computer Science or a related field.

About the job

Design and improve high-performance networking and security systems for Zscaler’s multitenant Zero Trust Security Services platform.

What you'll do

  • Design, develop, and optimize networking and security features, specifications, and automation.
  • Deliver scalable, resilient improvements and troubleshoot complex data-path issues.
  • Collaborate with architects, product managers, and customers; mentor junior engineers and maintain required certifications and compliance.

What they ask for

  • Bachelor's or Master's degree in Computer Science or a related field.
  • 10+ years of experience in system engineering for high-performance networking.
  • Expertise in Linux kernel-based networking (L2/L3), stateful firewalls, NAT, network drivers, routing protocols, and tunneling technologies.
  • Proficiency in Go and Python; foundational AI/ML understanding and experience leveraging, securing, or positioning AI-driven solutions.

Nice to have

  • Experience applying AI technologies and workflows to improve operational efficiency or using AI/ML for networking optimization and predictive threat detection.
  • Familiarity with public cloud platforms, Docker, Kubernetes, virtualization, or advanced security solutions.

Pay

$185,500 — $265,000 USD (base salary)

Tools

Linux, Go, Python, Docker, Kubernetes, FIPS, FedRAMP, Common Criteria

AI focus

Use or secure AI-driven solutions; preferred work includes applying AI/ML to optimize kernel-level networking and automate predictive threat detection.

Model-written summary · the original posting is authoritative

First seen Oct 10, 2026 · Last verified Nov 5, 2026 (UTC)