[Hiring] Threat Researcher @Infoblox

Role Description

We have an opportunity for a Threat Researcher to join our ART (Axur Research Team) in Home office - Brazil, reporting to the Supervisor, Threat Intelligence. In this role, you will conduct investigations and research into external cyber threats, including phishing, fraud, leaked credentials, malicious infrastructure, and threat-actor activity. You will transform evidence from OSINT, underground sources, internal datasets, and customer-provided information into clear, actionable intelligence.

Collaborating closely with Threat Intelligence, Engineering, Automation, Product, and customer-facing teams, you will help expand investigative coverage, improve repeatable workflows, and support AI-assisted research and reporting capabilities. This role is designed for a developing threat researcher who can execute well-defined investigations, strengthen analytical judgment, and contribute to the team’s mission of turning external threat visibility into meaningful protection.

Qualifications

• Two or more years of experience in cyber threat intelligence, threat hunting, fraud analysis, digital risk protection, SOC operations, incident response, OSINT investigations, or a related cybersecurity field
• Practical experience investigating phishing, fraud, brand abuse, leaked data, malicious domains, credentials, malware, or threat actors
• Working knowledge of indicators of compromise, attack infrastructure, tactics, techniques, procedures, and confidence-based analysis
• Experience using OSINT and threat intelligence tools to research domains, IP addresses, URLs, files, identities, infrastructure, or underground activity
• Ability to correlate evidence from multiple sources, distinguish facts from assumptions, and maintain clear source traceability
• Strong written communication skills, with the ability to produce structured, accurate, and actionable intelligence reports
• Familiarity with spreadsheets, structured data, search operators, basic scripting, or query languages such as SQL; Python is an advantage
• Ability to use AI-assisted research and productivity tools thoughtfully, validate generated content, and follow data-protection guidelines
• Ability to collaborate effectively, manage priorities across multiple investigations, ask for guidance, and incorporate feedback
• Bachelor’s degree or equivalent practical experience in Cybersecurity, Computer Science, Information Technology, Intelligence, Journalism, Languages, or a related field; relevant certifications or training are beneficial

Requirements

• Conduct end-to-end cyber threat investigations across phishing, brand abuse, fraud, leaked credentials, malware, and threat-actor activity
• Hunt for relevant artifacts across the deep web, dark web, Telegram channels, underground forums, social platforms, and other authorized sources
• Analyze URLs, domains, IP addresses, hashes, credentials, files, advertisements, and related evidence to identify malicious activity and exposure
• Enrich indicators with OSINT and threat intelligence sources such as VirusTotal, URLScan, WHOIS, passive DNS, Certificate Transparency logs, sandboxes, and community feeds
• Map phishing, fraud, and malware infrastructure by correlating related domains, hosting, certificates, campaigns, accounts, and actor behaviors
• Query internal datasets and approved intelligence platforms to identify patterns, quantify exposure, and connect findings across clients, brands, and campaigns
• Support investigations requiring careful communication, evidence collection, and interaction with threat actors under approved operational-security procedures
• Document investigative methods, evidence, confidence levels, limitations, and conclusions according to team standards
• Produce concise, evidence-based intelligence reports, investigation updates, campaign briefs, and executive summaries in English; Portuguese or Spanish proficiency is an advantage
• Contribute validated indicators, findings, and investigative context to internal intelligence platforms, monitoring workflows, and takedown or remediation processes

Benefits

• Comprehensive health coverage, generous PTO, and flexible work options
• Learning opportunities, career-mobility programs, and leadership workshops
• Sixteen paid volunteer hours each year, global employee resource groups, and a “No Jerks” policy that keeps collaboration healthy
• Modern offices with EV charging, healthy snacks, and culture celebrations
• Charitable Giving Program supported by Company Match
• We practice pay transparency and reward performance; Offers reflect role location, internal equity, experience, skills, education, and certifications