Palo Alto Networks

Principal Security Researcher

Palo Alto Networks$162K — $263K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-10 years of direct experience in vulnerability research or related threat prevention work.
  • Expertise in identifying and addressing key technical problems with measurable outcomes.
  • In-depth knowledge of common vulnerability types and exploit techniques like RCE, XSS, and SQL injection.
  • Strong analytical skills for assessing exploitability and related network behaviors.
  • Experience developing production-quality detection solutions such as IPS signatures.
  • Proficient in programming or scripting for research automation and detection development.
  • Experience with AI or ML tools to enhance security workflows is a plus.

Responsibilities

  • Lead the development of ATP detection strategies targeting critical vulnerabilities and exploit areas.
  • Innovate and implement detection ideas from concept to deployment, improving system metrics.
  • Enhance rapid response capabilities for zero-day vulnerabilities and new attack vectors.
  • Define and improve standards for IPS protection quality and consistency.
  • Automate detection processes and optimize workflows for large-scale protection delivery.
  • Provide technical guidance and leadership to researchers and developers in project execution.
  • Collaborate with cross-functional teams to ensure robust and relevant detection solutions.

Benefits

  • Flexible working environment with options for remote work.
  • Professional development opportunities, including training and workshops.
  • Comprehensive health benefits including medical, dental, and vision coverage.
  • Generous paid time off policy with vacation and holidays.
  • 401(k) plan with company matching contributions.
  • Employee stock purchase plan and stock options.
Full Job Description
Job Summary

Your Career

You will be part of the team that builds and delivers the threat detection capabilities powering Palo Alto Networks' Advanced Threat Prevention (ATP). The ATP detection team is responsible for decoding network protocols, identifying applications, and detecting threats across our enterprise customers' networks.

As a Principal Security Researcher, you will play a key technical leadership role in shaping how ATP detects and prevents real-world attacks. You will propose and drive innovative technical ideas from concept to production, own multiple projects or a broader technical area with measurable impact, and provide technical leadership to other researchers or developers. This is a hands-on leadership role: you are expected to define direction, make technical decisions, and contribute directly to vulnerability research, exploit analysis, and production detection work.

Your Impact
  • Shape ATP detection strategy by identifying important vulnerability, exploit, and attack technique areas where new or improved protections are needed.
  • Drive innovative detection ideas from concept to production, delivering measurable improvements in coverage, quality, speed, or scalability.
  • Improve rapid response capability for zero-days, high-impact CVEs, and emerging attack vectors by guiding technical assessment, detection strategy, and release decisions.
  • Raise the quality and consistency of IPS protections by defining detection approaches, validation expectations, and technical review standards for complex cases.
  • Expand the team's ability to deliver protections at scale through practical automation, detection pipeline improvements, and AI-assisted research workflows.
  • Provide hands-on technical leadership to researchers or developers through direction, review, problem decomposition, and execution guidance.
  • Influence cross-functional decisions with product, QA, engineering, and research partners to ensure detections are technically sound, customer-relevant, and production-ready.


Qualifications
  • Deep hands-on experience in vulnerability research, exploit analysis, IPS/IDS detection, offensive security, or closely related threat prevention work.
  • Proven ability to identify important technical problems, propose detection ideas, drive execution, and deliver measurable product or customer impact.
  • Deep understanding of common vulnerability classes and exploit techniques, including memory corruption, injection, authentication bypass, path traversal, SSRF, RCE, XSS, SQL injection, CSRF, MITM, and DoS.
  • Strong ability to analyze vulnerability root cause, exploitability, PoC behavior, network traffic, protocol behavior, application-layer attack patterns, and detection tradeoffs.
  • Experience translating vulnerability or exploit understanding into production-quality IPS signatures, IDS detections, network detections, or other customer-facing protections.
  • Strong understanding of network protocols and application-layer behavior, especially HTTP, DNS, SMB, FTP, SMTP, TCP/UDP, TLS, and related protocols.
  • Strong programming or scripting skills for research automation, tooling, test generation, detection development, or pipeline improvements.
  • Ability to lead complex technical work under ambiguity, guide other researchers or developers, and make sound technical decisions under time pressure.
  • Experience using AI, ML, automation, or research tooling to improve security analysis, detection development, validation, or response workflows is highly desirable.
  • Foundational understanding of AI security scenarios or AI-assisted security workflows is a plus.
  • Strong communication skills with the ability to influence technical direction across research, product, QA, and engineering partners.
  • BS/MS in Computer Science, Computer Engineering, Cybersecurity, or related field, or equivalent professional experience.


Compensation Disclosure

The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found here.

$162,700.00 - $263,175.00/yr

About Palo Alto Networks

Palo Alto Networks, Inc. is an American multinational cybersecurity company with headquarters in Santa Clara, California. Its core products are a platform that includes advanced firewalls and cloud-based offerings that extend those firewalls to cover other aspects of security. The company serves over 70,000 organizations in over 150 countries, including 85 of the Fortune 100. It is home to the Unit 42 threat research team and hosts the Ignite cybersecurity conference.
Learn more about Palo Alto Networks
Size
11,870 employees
Market Cap
$42.6 billion
Industry
Net Income
-$368.2 million
Founded
2005
5 Year Trend
+25.7%
Revenue
$3.7 billion
NASDAQ

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