Sr. Security Researcher
F5 Networks · Seattle, WA
About this role
F5 Networks is hiring a senior-level Security Analyst based in Seattle, WA. The posting calls out experience with Python, JavaScript, Java, C. Compensation is listed at $133,600–$200,400 per year.
- Role
- Security Analyst
- Function
- security
- Level
- senior
- Track
- Individual contributor
- Employment
- Full-time
- Location
- Seattle, WA
- Posted
- May 14, 2026
More roles at F5 Networks
Job description
from F5 Networks careersAt F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.
F5, Inc. seeks Sr. Security Researcher in Seattle, WA:
Job Duties: Research web frameworks and servers to identify and understand emerging threats. Examine and replicate newly disclosed web application vulnerabilities. Focus on WAF (Web Application Firewall) evasion techniques to preemptively bypass our defenses before hackers can. Create innovative proof of concept solutions for advanced threats and continuously refining attack signatures, all in collaboration with development teams to enhance the WAF product using our research findings. Gather web security intelligence from blogs, forums, conferences, and academic papers. Build tools and infrastructure for analyzing attacks. Compose and distribute insights through blogs, reports, and presenting at security conventions. Periodically perform security efficacy assessments on a variety of products, including WAFs, API security solutions, application security scanners, and machine learning models, to verify and improve their defense capabilities. Telecommuting Permitted.