Principal Software Development Engineer jobs in United States
cer-icon
Apply on Employer Site
company-logo

Zscaler · 2 hours ago

Principal Software Development Engineer

positionSan Jose, CA
timeFull-time
remoteHybrid
seniorityLead/Staff
money$206K/yr - $295K/yr

Zscaler is a pioneer and global leader in zero trust security, seeking a Principal Software Development Engineer to join their ZIA Cloud team. The role involves ensuring ZIA software runs seamlessly in Public Cloud Infrastructure and providing technical leadership in the design, development, and optimization of firewall/SWG platforms.

Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
check
H1B Sponsor Likelynote

Responsibilities

Practice technical leadership in design, development, and optimization of firewall/SWG platforms in Cloud Infrastructure
Define and execute the technical roadmap for firewalls/SWG in Cloud Infrastructure, ensuring alignment with business goals
Work closely with engineering teams to enhance platform support for virtualized environments
Drive professional development and growth initiatives for team members

Qualification

Network security softwarePublic cloud infrastructureFirewall/SWG solutionsTerraformAWS CloudFormationTCP/IPDNSVPN technologiesCollaborationProblem-solvingGrowth mindset

Required

Proven experience in designing and implementing networking security software and public clouds infrastructure
Deep understanding of VPCs, Subnets, Route Tables, Security Groups, NACLs, Transit Gateway, Elastic Load Balancing, Route 53, and Network Firewall WAF
Proven experience in designing how FW/SWG solutions integrate with or extend native cloud services
Demonstrated success in designing, optimizing, and troubleshooting high-throughput, low-latency network security products
Bachelor's degree in Computer Science, Information Technology, or a related field

Preferred

Proficiency with Terraform, AWS CloudFormation, or GCP Deployment Manager for provisioning and managing cloud infrastructure
Mastery of TCP/IP, DNS, Http(s), VPN technologies (IPSec, SSL VPN), NAT, and load balancing
Knowledge of BSD/Linux operating systems, virtualization technologies, and DPDK or similar kernel bypass techniques

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

twittertwittertwitter
Glassdoor4.0
company-logo
Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.
dateFounded in 2008
location
San Jose, California, USA
people-size5001-10000 employees
web-link
https://www.zscaler.com

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 Company
Total Funding
$1.67B
Key Investors
TPG GrowthLightspeed Venture Partners
2025-07-01Post Ipo Debt· $1.5B
2024-04-23Post Ipo Equity· $22.7M
2018-03-16IPO

Leadership Team

leader-logo
Jay Chaudhry
CEO, Chairman & Founder
linkedin
leader-logo
Hemant Dabke
Area Vice President
linkedin

Recent News

Techcircle
Spotlight: CXO movements this week (Jan 19-23)
2026-01-23
The Motley Fool
The Motley Fool Interviews Zscaler Founder and CEO Jay Chaudhry
2026-01-22
Techcircle
Zscaler appoints Swamy Kocherlakota to lead Agentic AI security engineering
2026-01-20
Company data provided by crunchbase