Principal Researcher

Cortex by Palo Alto Networks·Accel (Getro)
Posted Jul 3, 2026
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Skip to main content Saved Jobs (0) Job Alerts EN Deutsch (German) English (English) 日本語 (Japanese) Search Jobs Keywords Location Search Jobs Close Button Security Awareness! Read more to learn about how we're keeping job seekers safe. Palo Alto Networks is on a mission to keep the digital world safe, and this extends to job seekers as well. Please be mindful of a current bad actor practice of recruiters impersonating us. If you receive an email from someone who does not have a @paloaltonetworks.com email address, please do not respond or engage. Job Details Revolutionizing protection. Define what’s next in cybersecurity. Principal Researcher London, England, United Kingdom Product Engineering Ref ID: JR-019226 Apply Save Job Current Employees, apply here Our MissionAt Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place.Who We AreIn order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us!This role is remote, but distance is no barrier to impact. Our hybrid teams collaborate across geographies to solve big problems, stay close to our customers, and grow together. You will be part of a culture that values trust, accountability, and shared success where your work truly matters.Job SummaryYour CareerAs a member of the Unit 42, National Security (NATSEC) team, you will be working closely with a globally distributed team of vulnerability researchers, reverse engineers, and threat intelligence analysts. In this role you will work with the Cyber Research Engineering team to conduct investigations into global network infrastructure in support of both government and commercial customer requirements. Your ImpactLead investigations end-to-end in response to customer intelligence requirements, from inquiry through collection and analysis to delivered product.Investigate adversary infrastructure, exposures, and observable activity across large datasets, correlating signals at gigabyte-to-petabyte scale.Build the tooling and infrastructure investigations require.Produce finished intelligence in both strategic and technical registers, from senior-leader assessments to analyst-to-analyst methodology write-ups and indicators.Innovate, develop, and implement new methods, capabilities, or customer deliverables.Research unfamiliar products or protocols as investigations require, design the collection to characterise them, and interpret the results.Design and deploy custom Internet scanning to collect what existing platforms don't cover, including probe development, scan infrastructure decisions (attribution, geographic origin, hosting), and analysis of results.Set technical direction for investigations and raise the craft across the team in data work, collection design, source evaluation, and report writing.Shape which investigations the team prioritises and which capabilities we build next.Qualifications Your ExperienceHave or be eligible for a DV-level security clearance.BS/MS in Computer Science, Computer...

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