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Principal Software Engineer (C / Networking / Dataplane) at Zscaler - ApplyBlast

Principal Software Engineer (C / Networking / Dataplane)

Zscaler

1 month ago

3.3 on Glassdoor

San Jose, California, United States

Hybrid

Full Time

Senior

0 applicants

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About this role

The Principal Software Engineer will design and implement high-performance datapath features for load balancing, firewall rules, and L7 protocols, enhancing the scalability and security of Zscaler's global networking infrastructure. The role requires deep C programming expertise, ownership of moderately complex projects from concept to deployment, and strong knowledge of networking protocols and Linux/Unix systems.

Responsibilities

Design and implement datapath features for load balancing and L7 protocols
Drive moderately complex projects from conception to deployment with full ownership
Optimize networking and security applications on Unix/Linux platforms

Skills

Qualifications

BS in Computer Science or Computer EngineeringMS in Computer Science or Computer Engineering

About Zscaler

zscaler.com

Headquarters

San Jose, California, United States

Company Size

5001-10000 employees

Founded

2008

View Profile

Zscaler is a cloud-native enterprise security company that delivers a zero‑trust platform to secure users, devices, and applications by inspecting traffic and enforcing access policies in the cloud. Its Zero Trust Exchange and SASE/SSE offerings — including Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), cloud firewall, browser isolation, and data protection — let organizations replace legacy VPNs and backhauled security with direct-to-cloud, policy-driven controls. Serving global enterprises, Zscaler applies AI/ML and automation for threat protection, data loss prevention, and scalability across hybrid/multi‑cloud, IoT/OT, and B2B environments to accelerate secure digital transformation.