Zscaler · 10 hours ago
Principal Software Development Engineer (C and Go)
San Jose, CA
Full-time
Hybrid
Lead/Staff
$182K/yr - $260K/yr
12+ years expZscaler accelerates digital transformation, providing a cloud native Zero Trust Exchange platform to protect customers from cyberattacks. The Principal Software Development Engineer will lead the design and development of control plane features for the Zscaler Internet Access product, ensuring alignment with business goals and mentoring other engineers.
Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
Responsibilities
Practice technical leadership in design, development, and optimization of control path features in Cloud Infrastructure
Define and execute the technical roadmap ensuring alignment with business goals
Develop and own components of a large-scale distributed system with a focus on scalability
Use AI-powered tools for advanced problem solving and engineering efficiency
Mentor other engineers
Qualification
Required
12+ years of experience in C programming along with proven experience in Go or Rust; Bachelor's or Master's Degree in Engineering/Computer Science
Expertise in networking protocols and services like DNS, HTTP, TCP/IP, SSL/TLS and strong knowledge of authentication protocols like LDAP, SAML, OAuth
Strong experience in FreeBSD or Linux systems internals
Strong fundamentals with high-performance computing, distributed systems, event-based programming, memory optimization, and fault tolerance
Software design, profiling, and verification skills along with proficiency in design/code reviews and writing automated unit and integration tests
Preferred
Experience in cloud computing with AWS, GCP, or other cloud providers, and containerization using Docker and Kubernetes
Knowledge of PostgreSQL
Experience with YugabyteDB and/or CockroachDB
Benefits
Various health plans
Time off plans for vacation and sick time
Parental leave options
Retirement options
Education reimbursement
In-office perks, and more!
Company
Zscaler
Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.
5001-10000 employees
H1B Sponsorship
Zscaler has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (164)
2024 (220)
2023 (108)
2022 (144)
2021 (82)
2020 (51)
Funding
Current Stage
Public CompanyTotal Funding
$1.67BKey Investors
TPG GrowthLightspeed Venture Partners
2025-07-01Post Ipo Debt· $1.5B
2024-04-23Post Ipo Equity· $22.7M
2018-03-16IPO
Leadership Team
Jay Chaudhry
CEO, Chairman & Founder
Hemant Dabke
Area Vice President
Recent News
2026-01-09
Company data provided by crunchbase