Sr. Staff Software Engineer (C/C++ - Tunneling)

Confirmed live in the last 24 hours

Zscaler

Compensation

$154,000 - $220,000/year

San Jose, California, USA

Hybrid

Posted March 20, 2026

Job Description

About Zscaler

Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership, and accountability.

We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.

Role

We are looking for a Sr. Staff SWE to join our Zero Trust Exchange department. This is a Hybrid role based onsite in San Jose three days a week, reporting to the Sr. Manager, Software Development Engineering.

As a key member of the engineering team, you will implement new ZCC tunnel features and modularize existing code to drive greater stability and performance across our platform.

What you’ll do (Role Expectations)

Implement high-impact ZCC tunnel features that enhance connectivity and security for our global user base
Lead the modularization of existing code into libraries to improve system maintainability and architectural stability
Integrate memory-safe Rust language components where applicable to advance our commitment to robust and secure engineering

Who You Are (Success Profile)

You act like an owner by taking full accountability for outcomes and navigating seamlessly between high-level strategy and hands-on execution.
You are a dedicated problem-solver who is energized by complex challenges and finding solutions that deliver significant impact.
You are customer-obsessed, anchoring every technical decision in solving real-world problems for both internal and external stakeholders.
You are driven by innovation and a deep curiosity for how things work, always seeking more secure and scalable ways to build technology.
You think at scale, connecting your day-to-day work to the larger mission and building solutions designed to support a high-growth, global organization.

What We’re Looking for (Minimum Qualifications)

Advanced proficiency in C/C++ with experience building high-performance systems
Strong foundational knowledge of networking protocols and infrastructure
Proven ability to design and write secure, scalable code in a professional environment

What Will Make You Stand Out (Preferred Qualifications)

Professional experience developing with the Rust programming language
Direct experience working within the VPN application domain or similar network security technologies

#LI-JM1 #LI-Hybrid

Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

The base salary range listed for this full-time position

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