P

Palo Alto Networks

Builds cybersecurity tools for organizations

Principal Security Researcher - Xpanse

Offensive Security & TestingConfirmed live in the last 24 hours
Full-timeCalifornia, USAIn-person

About the Job

Requirements

  • At least 5 years of experience in vulnerability management, offensive security, or security research.
  • Experience contributing to public vulnerability research, submitting Common Vulnerabilities and Exposures (CVEs), or creating proof-of-concept exploits.
  • Strong understanding of TCP/IP and networking protocols such as HTTP, FTP, SSH, and SNMP.
  • Familiarity with open-source security software such as Nuclei, OpenVAS, and Nmap.
  • Knowledge of cybersecurity frameworks and vulnerability methodologies.
  • Familiarity with penetration-testing and security-assessment tools such as Metasploit, Nmap, Burp Suite, and Wireshark.
  • Proficiency in Python and familiarity with, or willingness to learn, Java, Golang, C/C++, or Rust.
  • Deep understanding of Windows, Linux, macOS, and Unix-based systems.
  • Ability to work across research, design, prototyping, and implementation.
  • Cybersecurity knowledge demonstrated through base-level certifications such as OSCP, GPEN, or Pentest+, or willingness to obtain one.

Responsibilities

  • Develop and maintain a comprehensive vulnerability-content repository to enhance detection and mitigation strategies.
  • Shape and drive tactical responses to zero-day and critical vulnerabilities across attack surfaces to ensure rapid containment and mitigation.
  • Conduct research and testing, enhance automation processes, and ensure an effective workflow for identifying, validating, and mitigating security risks.
  • Analyze existing solutions, identify quality barriers, recommend changes, and implement them.
  • Participate in architecture strategy sessions and design solutions that accommodate requirements across Cortex groups.
  • Collaborate with teams to solve problems, reduce technical debt, and evolve development practices.
  • Drive technical best practices and promote new technologies within the engineering organization.
  • Mentor other researchers and ensure the team delivers high-quality output.
  • Take ownership of projects, drive them to completion, and support them in production.

Desired Qualifications

  • Familiarity with patch-management processes and tools such as WSUS or SCCM, including vulnerability remediation.
  • Familiarity with enterprise- or cloud-deployed embedded systems.
  • Experience using cloud-managed services, ideally in Google Cloud Platform (GCP).
  • Knowledge of network architectures, subnetting, routing, VLAN operation, and effects on network scanning.
  • Familiarity with distributed data stores such as BigQuery and BigTable, and relational databases such as PostgreSQL and MySQL.
  • Experience working in security operations centers (SOC), red/blue teams, or as a security analyst.

About the Company

Palo Alto Networks

Builds cybersecurity tools for organizations

Palo Alto Networks builds cybersecurity hardware and software for businesses and public institutions, protecting their networks, cloud workloads and digital identities. Its portfolio combines network firewalls with tools that detect attacks, investigate security alerts and manage access to sensitive systems. Security teams use these products across offices, data centers and cloud environments, with shared data and automated workflows connecting the company's platforms. It earns revenue from appliance sales and software licenses, plus subscriptions and support contracts that keep protections and services active over time. Palo Alto Networks began operations in 2005 and is headquartered in Santa Clara, California.

Company size
10,001+
Company stage
IPO
Headquarters
Santa Clara, CA
Founded
2005

Recently Posted Jobs

Explore more opportunities at Palo Alto Networks

See more jobs