Threat Hunting Security Professional (Cybersecurity)

TL;DR

Threat Hunting Security Professional (Cybersecurity): Managing threat intelligence lifecycles and executing threat hunting campaigns within the Cyber Security Defense Center with an accent on AI-supported threat ingestion and validating threat hypotheses. Focus on improving security detection rules, collaborating with CERT and SOC teams, and driving continuous improvement in the defense roadmap.

Location: Must be based in or able to commute to Amadora, Portugal for hybrid work

Company

hirify.global is a B2B technology innovation leader pioneering the future where networks meet cloud.

What you will do

• Identify relevant threat intelligence feeds and manage ingestion into the MISP platform.
• Execute full-lifecycle threat hunts based on defined hypotheses and document findings.
• Develop and refine SIEM detection rules based on hunt results and security gaps.
• Integrate AI-supported processes for automated threat intelligence enrichment.
• Collaborate with internal teams like CERT and CDC Operations to strengthen security posture.
• Translate complex threat modeling data into actionable security improvements.

Requirements

• BSc or MSc degree in computer science or a related technical field.
• 5+ years of experience in cyber security.
• Practical hands-on experience in threat intelligence and information security.
• Active understanding of cybersecurity terminology (CIA, SIEM, SOC, APT, TTPs, MITRE ATT&CK).
• Fluency in English (oral and written).
• Proficiency in scripting or programming languages such as Python or PowerShell.

Nice to have

• Experience as a SOC analyst.
• Security certifications such as CEH, CHFI, or CTIA.

Culture & Benefits

• Inclusive culture that empowers risk-taking and authentic self-expression.
• Opportunity to influence global cyber security policies and standards.
• Exposure to 5G/6G security architecture and innovation.
• Support for ongoing professional development and security certifications.