Senior Security Researcher

Censys

Senior Security Researcher at Censys conducting cybersecurity research and product capability development. Collaborating with teams to publish impactful findings and implement security solutions.

Posted 7/23/2026full-timeRemote • California, New York • 🇺🇸 United StatesSenior💰 $202,000 - $254,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Expertise in penetration testing and red teaming, with a strong focus on identifying vulnerabilities and developing offensive security techniques. Proficient in scripting and coding to automate processes and analyze data, while collaborating effectively across teams to enhance product capabilities.

Highest-signal resume keywords

Penetration TestingRed TeamingVulnerability IdentificationPython ScriptingAgentic AI Frameworks

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Penetration TestingRed TeamingVulnerability IdentificationNetwork ProtocolsService FingerprintingInternet-Scale ScanningScriptingPythonGoAdversary Emulation

Soft Skills

CollaborationMentoringResearch

Tools & Technologies

Agentic SystemsRed Team Frameworks

Industry Keywords

Offensive SecurityAdversary InfrastructureAttack Surface DataEmerging Attack Techniques

Tech Stack

Tools & technologies

CloudGoPython

About the role

Key responsibilities & impact

Drive product capability by bringing offensive practitioner's perspective to Censys's scanning, fingerprinting, and attack surface data.
Conduct original research to investigate emerging attack techniques.
Publish seminal work through research reports and technical blog posts.
Collaborate cross-functionally with Engineering and Product to translate findings into new features.
Lead agentic AI threat research by building, deploying, and evaluating AI frameworks.
Track adversary infrastructure using red team tradecraft knowledge.
Mentor and inform other researchers and engineers on offensive techniques.

Requirements

What you’ll need

5+ years of hands-on penetration testing, red teaming, or adversary emulation experience against enterprise, cloud, or Internet-facing environments.
Demonstrated ability to independently identify and characterize vulnerabilities, misconfigurations, or exploitation techniques.
Strong understanding of network protocols, service fingerprinting, and Internet-scale scanning concepts.
Hands-on experience with agentic systems for offensive security.
Proficiency in scripting or coding (Python, Go, or similar) to build tooling, automate testing, or analyze large datasets.
Familiarity with red team frameworks and tradecraft.
Comfort working with large-scale Internet scan data or a strong interest in learning to do so.

Benefits

Comp & perks

equity
health, dental & vision coverage
retirement with company contribution
parental leave
mental health & wellness benefits
flexible PTO
professional development stipend
sales incentive pay for sales roles
annual bonus plan for eligible non-sales roles