Sr. Staff Software Development Engineer - C, Load Balancers, Firewalls jobs in United States
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Zscaler · 8 hours ago

Sr. Staff Software Development Engineer - C, Load Balancers, Firewalls

positionSan Jose, CA
timeFull-time
remoteHybrid
senioritySenior Level, Lead/Staff
money$154K/yr - $220K/yr
date8+ years exp

Zscaler is a leader in cloud security, dedicated to accelerating digital transformation for its customers. The Senior Staff Software Development Engineer will work on firewalls and cross-product features, leveraging technical expertise in network security and hands-on development experience to deliver high-impact solutions.

Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
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H1B Sponsor Likelynote

Responsibilities

Participate in design, development, and optimization of firewall and in Cloud Infrastructure
Execute the technical roadmap for firewalls, ensuring alignment with business goals
Communicate technical solutions to all levels within-group and cross-discipline. status reporting and presenting solutions is an integral part of the job
Own the feature you are responsible for all the way to deployment and operations
Ensure performance, security, scale, reliability, operational and cost optimization criteria are met

Qualification

Network securityC programmingLoad balancersFirewall productsCloud infrastructureTCP/IPHigh performance computingEvent based programmingFault toleranceLeadership capabilities

Required

8+ years of experience in designing and implementing networking security software and public clouds infrastructure
Experience in Load balancers, IPS/IDS, Routers, Firewall products
Expert-level programming skills in C/UNIX/RTOS
Strong in fundamentals - TCP/IP, HTTP, QUIC, QUIC
Experience with High performance Computing, Event based programming, Fault Tolerance etc

Preferred

Experience in SaaS based Firewall/SWG solutions
Experience solving Performance and Scaling bottlenecks
Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience

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

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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

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Jay Chaudhry
CEO, Chairman & Founder
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Hemant Dabke
Area Vice President
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Recent News

CRN
The 10 Biggest Tech M&A Deals Of 2025
2025-12-18
The Motley Fool
Better Buy: Zscaler or Workday?
2025-12-11
GlobeNewswire
AI Attacks Surge 156% as Enterprises Rush to Lock Down Quantum-Vulnerable Systems
2025-12-09
Company data provided by crunchbase