Principal Software Engineer (L7 Security) jobs in United States
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Palo Alto Networks · 2 months ago

Principal Software Engineer (L7 Security)

positionSanta Clara, CA
timeFull-time
remoteOnsite
seniorityLead/Staff
money$147K/yr - $238K/yr

Palo Alto Networks is a leading cybersecurity company dedicated to protecting the digital way of life. The Principal Software Engineer will be responsible for designing and developing critical security features for the Next-Generation Firewall, collaborating with cross-functional teams to innovate and improve security solutions.

Agentic AICloud SecurityCyber SecurityNetwork SecuritySecurity
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Innovate, design, develop and improve the Next-Generation Firewall in terms of functionality and performance, working on GlobalProtect
Own and be responsible for critical components in the Next-Generation Firewall system
Deliver features and improvements in critical components in high quality and performance
As an expert on networking and security, work closely with team members and cross-team to design and architect innovative solutions

Qualification

C programmingLinux developmentMulti-threaded programmingNetworking developmentGo programmingHTTP backend developmentRedisSQLNoSQLCan-do attitudeVerbal communicationWritten communicationTeam collaboration

Required

B.S. degree in Computer Science, similar technical discipline or equivalent practical experience, Graduate degree (MS or Ph.D.) in Computer Science or similar technical discipline is preferred or equivalent military experience required
Proficient in C programming under Linux development environment
Experience with multi-threaded programming and large-scale, distributed, and/or high-performance software design and architect
Verbal and written communication skills to work with multi-functional groups
Teammate who brings a can-do attitude to a dynamic working environment and is comfortable learning new technologies and platforms
Experience with HTTP and web server backend development
Experience with networking development, eg. TCP/UDP, Socket programming
Experience with Redis, SQL or NoSQL database
Experience with Go programming

Benefits

Restricted stock units
Bonus

Company

Palo Alto Networks

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Palo Alto Networks is a cybersecurity company that offers cybersecurity solutions for organizations.
dateFounded in 2005
location
Santa Clara, California, USA
people-size10001+ employees
web-link
http://www.paloaltonetworks.com

H1B Sponsorship

Palo Alto Networks 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 (579)
2024 (482)
2023 (341)
2022 (452)
2021 (493)
2020 (235)

Funding

Current Stage
Public Company
Total Funding
$65M
Key Investors
Icon VenturesLehman HoldingsGlobespan Capital Partners
2012-07-20IPO
2008-11-03Series C· $10M
2008-08-18Series C· $27M

Leadership Team

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Helmut Reisinger
CEO EMEA
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Nikesh Arora
Chairman CEO
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Recent News

TechUK
Government sets out refreshed plans to strengthen public sector cyber security
2026-01-08
Crunchbase News
North American Startup Funding Soared 46% In 2025, Driven By AI Boom
2026-01-08
Tech.eu
UK bets £210M on cybersecurity to unlock digital government — and £45B in productivity savings
2026-01-07
Company data provided by crunchbase