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Palo Alto Networks · 14 hours ago

Senior Principal Software Engineer

Santa Clara, CA

Full-time

Onsite

Senior Level, Lead/Staff

$170K/yr - $277K/yr

5+ years exp

Palo Alto Networks is a leader in cybersecurity, committed to protecting the digital way of life. The role involves researching and identifying security vulnerabilities across a wide range of devices, driving innovation in automated threat detection, and collaborating on cross-functional projects.

Artificial Intelligence (AI)Cloud ComputingCyber SecurityAgentic AICloud SecurityNetwork SecuritySecurity

Growth Opportunities

H1B Sponsored

Responsibilities

Research and identify security vulnerabilities and threats across a wide range of devices, Operating Systems and software components

Drive innovation by applying the latest AI and LLM technologies to automated threat detection and device discovery

Conduct deep analysis of network traffic and device behaviors

Design and prototype security research tools and engine components for our cloud-based platforms

Collaborate on cross-functional projects to lead and coordinate research efforts

Support customer trials and handle complex security-related issues

Qualification

Security researchSoftware developmentAI/LLM technologyWindows securityNetworking knowledgeProgramming languagesCommunicationCreative thinkerTeam player

Required

A Degree in Computer Science or similar fields; a Ph.D. degree is a big plus

5+ years of work experience in related fields

A strong background in security research combined with hands-on software development experience, particularly in system software development

Preference for candidates who understand Windows operating system security and programming

Demonstrated understanding and experience with using the latest AI/LLM technology

Good knowledge of computer networking in general, and Ethernet and TCP/IP in particular

Strong programming skills in languages such as C/C++, Python, Go, or Java

Experience in one or more of the following is highly valued: Security vulnerability detection and monitoring, Malware attack analysis, IDS/IPS and application-based firewalls, Network device discovery tools

Good communication skills, a creative thinker, and a team player with a passion for computer networking and security

Benefits

Restricted stock units

Bonus

Company

Palo Alto Networks

Glassdoor4.1

Palo Alto Networks is a cybersecurity company that offers cybersecurity solutions for organizations.

Founded in 2005

Santa Clara, California, USA

10001+ employees

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

Helmut Reisinger

CEO EMEA

Nikesh Arora

Chairman CEO

Recent News

The Times Of Israel

Check Point snaps up three Israeli startups to bolster its AI security arsenal

2026-02-13

Newswire

ITPro Hosted its Second Annual ITPro Awards in Central London

2026-02-13

Tech in Asia

Palo Alto plans dual listing in Israel after CyberArk acquisition

2026-02-13

Company data provided by crunchbase