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YubHub-native raw fields carry `x-` prefix.","jobs":[{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_e50c953d-ac2"},"title":"Senior Threat Intelligence Engineer","description":"<p>About Us</p>\n<p>At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world&#39;s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies.</p>\n<p>We are seeking an experienced Threat Intelligence Engineer with experience with machine learning data science to join our proactive security team. This role is a critical blend of two disciplines: leveraging Threat Intelligence (TI) to understand the adversary, and then applying advanced Machine Learning and engineering principles to rapidly and effectively defend our organization.</p>\n<p>Key Responsibilities</p>\n<p>Threat Intelligence Engineering (TI) - Intelligence Collection &amp; Analysis: Proactively research, collect, and analyze threat intelligence from various sources (OSINT, commercial feeds, dark web, and internal security events) to understand the current and emerging threat landscape.</p>\n<p>Machine Learning and Data Science: Design, implement, and maintain detection use cases for the entire machine learning lifecycle (data ingestion, training, deployment, and inference).</p>\n<p>Threat Actor Profiling: Develop detailed profiles of relevant threat actors, their Tactics, Techniques, and Procedures (TTPs) using frameworks like MITRE ATT&amp;CK , and identify potential impacts to the organization.</p>\n<p>Actionable Intelligence Dissemination: Produce and disseminate timely, relevant, and actionable intelligence reports and briefings for both technical security teams and executive leadership.</p>\n<p>IOC/IOA Management: Engineer the ingestion, enrichment, correlation, and contextualization of Indicators of Compromise (IOCs) and Indicators of Attack (IOAs) into security platforms.</p>\n<p>Automated Defense Development: Design, develop, and implement robust automation workflows and playbooks (SOAR) to streamline security operations tasks, including incident triage, alert enrichment, vulnerability management, and threat response actions.</p>\n<p>Tool Integration &amp; Optimization: Integrate diverse security tools (e.g., SIEM, EDR, Cloud Security Posture Management, vulnerability scanners, Threat Intelligence Platforms) through APIs and scripting (primarily Python) to create seamless, automated feedback loops.</p>\n<p>Process Improvement: Identify manual, repetitive, and time-consuming security processes and engineer scalable automation solutions to increase team efficiency and operational maturity.</p>\n<p>Incident Response Support: Provide threat context to support the Incident Response team during active security incidents.</p>\n<p>Cross-Functional Partnership: Collaborate with Detection Engineers, Security Engineers, and Software Developers to embed security and intelligence-driven practices into the CI/CD pipeline and corporate infrastructure.</p>\n<p>Preferred Skills</p>\n<p>Understanding of attacker Tools, Techniques and Procedures (TTPs) Understanding of attack components Experience threat hunting in a complex network The ability to read an attack brief or vulnerability report and contextualize the associated risk Experience validating vulnerability reports and providing impact analysis Experience performing data gathering and analysis on perceived threats; generating additional contextual data that can be operationalized Experience with common tools used within Security Operations Experience utilizing security event information in intelligence analysis Ability to navigate ambiguity, and provide clarity to complex situations Ability to work autonomously with a strong sense of urgency, ownership and self drive Ability to build partnerships and get results across many different stakeholders Ability to effectively communicate, both verbal and written, to stakeholders regarding relative risk, urgency, and feedback Highly qualified candidates will have an understanding of nation state motivations and operational capabilities Experience with Infrastructure-as-Code (IaC) tools like Terraform. Familiarity with data analysis and visualization tools for threat intelligence Experience with malware analysis and reverse engineering to extract actionable indicators.</p>\n<p>Qualifications</p>\n<p>Experience: 4+ years of hands-on experience in a Security Engineering, Cyber Threat Intelligence, or Security Automation role.</p>\n<p>Programming: Strong proficiency in at least one scripting/programming language for automation (e.g., Python).</p>\n<p>Security Concepts: Deep understanding of the cyber kill chain, threat actor TTPs, common attack vectors, networking protocols, and operating system internals.</p>\n<p>Automation Expertise: Proven experience designing and implementing SOAR playbooks and integrating security tools via APIs.</p>\n<p>Intelligence Tools: Experience working with commercial and open-source Threat Intelligence Platforms (TIPs) and threat feeds.</p>\n<p>Cloud Security: Familiarity with security services and automation in major cloud environments (AWS, Azure, or GCP).</p>\n<p>What Makes Cloudflare Special?</p>\n<p>We&#39;re not just a highly ambitious, large-scale technology company. We&#39;re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.</p>\n<p>Project Galileo: Since 2014, we&#39;ve equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare&#39;s enterprise customers--at no cost.</p>\n<p>Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we&#39;ve provided services to more than 425 local government election websites in 33 states.</p>\n<p>1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service of its kind.</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_e50c953d-ac2","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Cloudflare","sameAs":"https://www.cloudflare.com/","logo":"https://logos.yubhub.co/cloudflare.com.png"},"x-apply-url":"https://job-boards.greenhouse.io/cloudflare/jobs/7558153?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"hybrid","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":null,"x-skills-required":["Machine Learning","Data Science","Threat Intelligence","Python","SOAR","APIs","Cloud Security","Cyber Kill Chain","Threat Actor TTPs","Networking Protocols","Operating System Internals"],"x-skills-preferred":["Attacker Tools, Techniques and Procedures (TTPs)","Attack Components","Threat Hunting","Vulnerability Report Analysis","Data Gathering and Analysis","Security Event Information","Infrastructure-as-Code (IaC) tools","Data Analysis and Visualization Tools","Malware Analysis and Reverse Engineering"],"datePosted":"2026-04-26T15:43:22.712Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Hybrid"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"Machine Learning, Data Science, Threat Intelligence, Python, SOAR, APIs, Cloud Security, Cyber Kill Chain, Threat Actor TTPs, Networking Protocols, Operating System Internals, Attacker Tools, Techniques and Procedures (TTPs), Attack Components, Threat Hunting, Vulnerability Report Analysis, Data Gathering and Analysis, Security Event Information, Infrastructure-as-Code (IaC) tools, Data Analysis and Visualization Tools, Malware Analysis and Reverse Engineering"},{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_ff5790dc-037"},"title":"Senior Security Software Engineer, Linux Kernel Security - Nodes & Sensors","description":"<p>We&#39;re looking for a senior engineer to join our Detection Platform team in building the next-generation Linux endpoint security system. This is a high-ownership role on a small team where you&#39;ll design systems that run across our rapidly growing fleet with minimal performance overhead. You&#39;ll partner closely with security and infrastructure engineers and help shape the technical direction of endpoint detection at Anthropic.</p>\n<p>Key responsibilities include building kernel-level security detections for our AI platform, designing and implementing scalable data pipelines for ingesting and processing security telemetry, and architecting monitoring solutions for production systems that minimize performance impact on ML workloads. You&#39;ll also prototype new security tooling and analytics capabilities, including applications of Claude to detection and response workflows.</p>\n<p>To succeed in this role, you&#39;ll need a background in software engineering with a focus on security, infrastructure, Linux internals, and/or operating systems. You should be able to write maintainable and secure code in Rust and/or C/C++. Strong understanding of operating system internals and OS security primitives is essential. Experience with test-driven development and CI/CD workflows is also necessary. Additionally, you&#39;ll need to have experience partnering with security teams to translate requirements into technical solutions and a track record of leading technical projects with minimal guidance and bringing clarity to ambiguous problems.</p>\n<p>Preferred qualifications include direct experience with eBPF and kernel-level instrumentation, experience with detection-as-code workflows, and experience implementing security monitoring solutions (SIEM, log aggregation, EDR). A background in detection engineering or security operations is also desirable.</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_ff5790dc-037","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Anthropic","sameAs":"https://www.anthropic.com/","logo":"https://logos.yubhub.co/anthropic.com.png"},"x-apply-url":"https://job-boards.greenhouse.io/anthropic/jobs/5197714008?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"hybrid","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":null,"x-skills-required":["Linux kernel security","eBPF","kernel-level instrumentation","detection-as-code workflows","security monitoring solutions","CI/CD workflows","test-driven development"],"x-skills-preferred":["Rust","C/C++","operating system internals","OS security primitives","detection engineering","security operations"],"datePosted":"2026-04-24T13:10:47.109Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Zürich, CH"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"Linux kernel security, eBPF, kernel-level instrumentation, detection-as-code workflows, security monitoring solutions, CI/CD workflows, test-driven development, Rust, C/C++, operating system internals, OS security primitives, detection engineering, security operations"},{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_ca426fe6-17c"},"title":"Senior Security Software Engineer, Linux Kernel Security - Nodes & Sensors","description":"<p><strong>About the role</strong></p>\n<p>Anthropic&#39;s Detection Platform team is building the next-generation Linux endpoint security system that protects our AI research and production infrastructure. We&#39;re looking for a senior engineer to architect and implement node-layer security sensors, develop kernel-based detection systems for ML workloads, and build tooling that leverages Claude to transform how security operations work.</p>\n<p>This is a high-ownership role on a small team. You&#39;ll design systems that run across our rapidly growing fleet with minimal performance overhead, partner closely with security and infrastructure engineers, and help shape the technical direction of endpoint detection at Anthropic.</p>\n<p><strong>Key responsibilities</strong></p>\n<ul>\n<li>Build kernel-level security detections for our AI platform, including eBPF-based sensors for Linux endpoints</li>\n</ul>\n<ul>\n<li>Design and implement scalable data pipelines for ingesting and processing security telemetry across our infrastructure</li>\n</ul>\n<ul>\n<li>Architect monitoring solutions for production systems that minimize performance impact on ML workloads</li>\n</ul>\n<ul>\n<li>Prototype new security tooling and analytics capabilities, including applications of Claude to detection and response workflows</li>\n</ul>\n<ul>\n<li>Partner with security and infrastructure teams to translate requirements into reliable, maintainable systems</li>\n</ul>\n<ul>\n<li>Contribute to the growth of the Security team through code reviews, mentorship, and hiring</li>\n</ul>\n<ul>\n<li>Participate in an on-call rotation</li>\n</ul>\n<p><strong>Minimum qualifications</strong></p>\n<ul>\n<li>Background in software engineering with a focus on security, infrastructure, Linux internals, and/or operating systems</li>\n</ul>\n<ul>\n<li>Ability to write maintainable and secure code in Rust and/or C/C++</li>\n</ul>\n<ul>\n<li>Strong understanding of operating system internals and OS security primitives</li>\n</ul>\n<ul>\n<li>Experience with test-driven development and CI/CD workflows</li>\n</ul>\n<ul>\n<li>Experience partnering with security teams to translate requirements into technical solutions</li>\n</ul>\n<ul>\n<li>Track record of leading technical projects with minimal guidance and bringing clarity to ambiguous problems</li>\n</ul>\n<p><strong>Preferred qualifications</strong></p>\n<ul>\n<li>7+ years of software engineering experience, with significant time spent on security, infrastructure, or operating systems work</li>\n</ul>\n<ul>\n<li>Direct experience with eBPF and kernel-level instrumentation</li>\n</ul>\n<ul>\n<li>Experience with detection-as-code workflows</li>\n</ul>\n<ul>\n<li>Experience with infrastructure-as-code tools such as Terraform or CloudFormation</li>\n</ul>\n<ul>\n<li>Background building security tooling from the ground up</li>\n</ul>\n<ul>\n<li>Experience implementing security monitoring solutions (SIEM, log aggregation, EDR)</li>\n</ul>\n<ul>\n<li>Background in detection engineering or security operations</li>\n</ul>\n<ul>\n<li>Experience with SOAR platform or security automation development</li>\n</ul>\n<ul>\n<li>Experience with data lake and database architecture, or query optimization over large datasets</li>\n</ul>\n<ul>\n<li>Experience with API design and internal platform development</li>\n</ul>\n<ul>\n<li>Track record of applying ML or AI to security problems</li>\n</ul>\n<ul>\n<li>Experience scaling security operations in a high-growth environment</li>\n</ul>\n<ul>\n<li>Experience contributing to hiring, mentorship, and engineering culture on a security team</li>\n</ul>\n<p><strong>Logistics</strong></p>\n<ul>\n<li>Minimum education: Bachelor’s degree or an equivalent combination of education, training, and/or experience</li>\n</ul>\n<ul>\n<li>Required field of study: A field relevant to the role as demonstrated through coursework, training, or professional experience</li>\n</ul>\n<ul>\n<li>Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the position</li>\n</ul>\n<ul>\n<li>Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices.</li>\n</ul>\n<ul>\n<li>Visa sponsorship: We do sponsor visas! However, we aren&#39;t able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this.</li>\n</ul>\n<p><strong>Benefits</strong></p>\n<ul>\n<li>Competitive compensation and benefits</li>\n</ul>\n<ul>\n<li>Optional equity donation matching</li>\n</ul>\n<ul>\n<li>Generous vacation and parental leave</li>\n</ul>\n<ul>\n<li>Flexible working hours</li>\n</ul>\n<ul>\n<li>Lovely office space in which to collaborate with colleagues</li>\n</ul>\n<p><strong>How we&#39;re different</strong></p>\n<ul>\n<li>We believe that the highest-impact AI research will be big science. At Anthropic we work as a single cohesive team on just a few large-scale research efforts. And we value impact , advancing our long-term goals of steerable, trustworthy AI , rather than work on smaller and more specific puzzles.</li>\n</ul>\n<ul>\n<li>We view AI research as an empirical science, which has as much in common with physics and biology as with traditional efforts in computer science.</li>\n</ul>\n<ul>\n<li>We&#39;re an extremely collaborative group, and we host frequent research discussions to ensure that we are pursuing the highest-impact work at any given time.</li>\n</ul>\n<ul>\n<li>As such, we greatly value communication skills.</li>\n</ul>\n<p><strong>Come work with us!</strong></p>\n<p>Guidance on Candidates&#39; AI Usage: Learn about our policy for using AI in our application process</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_ca426fe6-17c","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Anthropic","sameAs":"https://www.anthropic.com/","logo":"https://logos.yubhub.co/anthropic.com.png"},"x-apply-url":"https://job-boards.greenhouse.io/anthropic/jobs/5197714008?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"hybrid","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":null,"x-skills-required":["Linux","Kernel","Security","eBPF","Rust","C/C++","Operating System Internals","OS Security Primitives","Test-Driven Development","CI/CD Workflows","Detection-as-Code Workflows","Infrastructure-as-Code Tools","Terraform","CloudFormation","Security Monitoring Solutions","SIEM","Log Aggregation","EDR","Detection Engineering","Security Operations","SOAR Platform","Security Automation Development","Data Lake and Database Architecture","Query Optimization","API Design","Internal Platform Development"],"x-skills-preferred":["Kernel-Level Instrumentation","Machine Learning","Artificial Intelligence","Security Operations in High-Growth Environment","Hiring, Mentorship, and Engineering Culture"],"datePosted":"2026-04-24T12:16:37.363Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Zürich, CH"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"Linux, Kernel, Security, eBPF, Rust, C/C++, Operating System Internals, OS Security Primitives, Test-Driven Development, CI/CD Workflows, Detection-as-Code Workflows, Infrastructure-as-Code Tools, Terraform, CloudFormation, Security Monitoring Solutions, SIEM, Log Aggregation, EDR, Detection Engineering, Security Operations, SOAR Platform, Security Automation Development, Data Lake and Database Architecture, Query Optimization, API Design, Internal Platform Development, Kernel-Level Instrumentation, Machine Learning, Artificial Intelligence, Security Operations in High-Growth Environment, Hiring, Mentorship, and Engineering Culture"}]}