Cyber Threat Hunt Analyst, Citi

Citi

Location:
Ireland, Dublin

Category:
IT - Administration

Contract Type:
Employment contract

Salary:

Not provided

Save Job

Apply Position

Job Description:

Citi is seeking a highly motivated and experienced Cyber Threat Hunt Analyst to join its team in Dublin, Ireland. As part of the Cyber Intelligence Center (CIC), the role involves providing proactive threat intelligence to protect Citi’s global assets and infrastructure. Responsibilities include conducting hypothesis-based threat hunts, analyzing data sources, collaborating with security teams, and improving security tools and documentation. The analyst will also stay updated on the latest threat landscapes and provide guidance to other team members.

Job Responsibility:

Conduct proactive, hypothesis-based threat hunting activities using various techniques and tools to identify malicious activity and potential security breaches
Develop and implement threat hunting strategies based on industry best practices, threat intelligence, and organizational risk assessments
Analyze network traffic, system logs, and other data sources to detect anomalies, patterns, and indicators of compromise (IOCs)
Collaborate with other security teams, such as incident response, security engineering, and security operations, to enhance security defenses and incident response capabilities
Investigate security incidents and breaches to determine the scope, impact, and root cause
Develop and maintain threat hunting playbooks, procedures, and documentation
Stay up to date with the latest threat landscape, attack techniques, and security vulnerabilities
Contribute to the development and improvement of security tools and technologies
Provide technical expertise and guidance to other security team members
Communicate findings and recommendations to stakeholders in a clear and concise manner.

Requirements:

Bachelor's degree in Computer Science, Information Security, or a related field
Minimum of 3 years of experience in cyber security, with a focus on threat hunting, incident response, or security analysis
Strong understanding of networking protocols, operating systems, and security technologies
Proficiency in analyzing network traffic, system logs, and other data sources using security tools such as SIEM, IDS/IPS, and packet capture tools
Experience with threat intelligence platforms and threat hunting frameworks
Knowledge of common attack techniques, malware families, and threat actor tactics, techniques, and procedures (TTPs)
Ability to develop and implement threat hunting strategies based on industry best practices and threat intelligence
Strong analytical and problem-solving skills
Excellent communication and collaboration skills.

Nice to have:

Security certifications such as GIAC Certified Reverse Engineering Malware (GREM), Certified Information Systems Security Professional (CISSP), or GIAC Certified Threat Hunter (GCTH)
Experience with scripting languages such as Python or PowerShell for automating security tasks and data analysis
Familiarity with cloud security concepts and technologies
Experience with reverse engineering malware
Knowledge of data science and machine learning techniques for security analysis
Experience using Splunk for security analysis, threat hunting, and incident investigation.

What we offer:

Hybrid working model (up to 2 days working at home per week)
Competitive base salary (annually reviewed)
Additional benefits to support you and your family to be well, live well, and save well.

Additional Information:

Job Posted:
July 08, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

View All Jobs In This Company

Job Link Share:

Cyber Threat Hunt Analyst