Security Analyst

Posted:
3/31/2026, 11:45:42 PM

Location(s):
Cork, Munster, Ireland ⋅ Munster, Ireland

Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior

Field(s):
IT & Security

Discover Trend

Trend Micro, a global cybersecurity leader, helps make the world safe for exchanging digital information. Fueled by decades of security expertise, global threat research, and continuous innovation, Trend Micro's cybersecurity platform protects hundreds of thousands of organizations and millions of individuals across clouds, networks, devices, and endpoints. As a leader in cloud and enterprise cybersecurity, the platform delivers a powerful range of advanced threat defense techniques optimized for environments like AWS, Microsoft, and Google, and central visibility for better, faster detection and response. With 7,000 employees across 65 countries, Trend Micro enables organizations to simplify and secure their connected world. For additional information, visit www.trendmicro.com

Discover You                       
At Trend, we are always looking for top talent. We hire capability 1st, and you will work with the best. When you join us, you have direct access to any level, and freedom to make an impact and influence.  With Trend Micro, you drive your own development.  You are recognised for your passion to succeed, and can be the best part of yourself here.

Discover your next exciting career opportunity….

Business title: MDR Security Analyst

Department: Global Managed Detection & Response (MDR)

The cybersecurity industry is at an inflection point. As adversaries evolve and detection demands accelerate, 24/7 security monitoring is transforming from reactive alert processing into intelligent, customer-centric threat defense. You'll join our Global Managed Detection & Response (MDR) team at exactly the right moment: when AI-driven alert triage and anomaly detection are enabling analysts to identify genuine threats faster, reduce false positives and focus on what matters most: knowing our customers deeply, protecting them completely and being the team they trust without question.

About the Role

In this role, you're not just monitoring alerts. You're building the foundation of trusted customer partnerships by translating security events into clear, actionable intelligence. Working alongside AI systems that accelerate your detection capabilities, you'll distinguish genuine threats from noise, contain emerging incidents and deliver the kind of clear, confident communication that customers rely on when it matters most.

As a Security Analyst, you'll be the first line of defense, monitoring security events across Fortune 500 enterprises and critical infrastructure. You'll investigate real-time alerts, analyze suspicious behavior through the MITRE ATT&CK framework and contribute to the continuous refinement of detection rules that improve our collective ability to predict and prevent threats.

Core Responsibilities

  • AI-Driven Operations: Contribute to automation and AI initiatives that accelerate alert triage, reduce analyst burden and raise the overall quality and consistency of MDR delivery.
  • Threat Monitoring & Detection: Monitor and analyze security events (Endpoint/Email/Server/Network) using TrendAI Vision One to identify anomalous activities and investigate real-time alerts within customer environments.
  • Alert Triage & Investigation: Prioritize and differentiate between genuine intrusion attempts and false positives; evaluate unknown or suspicious behavior to determine true threat status.
  • Incident Containment: Take rapid measures to contain, eradicate and mitigate threat impact with clear communication to customers.
  • Detection Refinement: Review security events and data sources to develop and refine detection criteria; contribute to improved malware analysis and threat prevention solutions.
  • Customer Communication: Compose detailed security alert notifications with investigation findings, containment actions taken, and actionable recommendations for customers.
  • Threat Hunting: Generate threat intelligence from incident analysis; identify patterns and trends to improve organizational threat posture.

Qualifications & Experience:

  • Bachelor's degree in Computer Science, Cybersecurity, Information Security or related field.
  • 1-2 years in a full-time security position, preferably in a SOC environment or security monitoring role.

Technical Competencies:

  • Log Analysis & Correlation: Experience with log analysis, event correlation and understanding of host and network log sources; familiarity with SIEM platforms.
  • Network Security Fundamentals: Proficiency in network security concepts, firewalls and traffic analysis.
  • Operating Systems: Working knowledge of Windows and Linux environments; ability to identify suspicious system behavior.
  • Alert Analysis: Experience with real-time alert investigation and prioritization; ability to distinguish signal from noise.
  • TrendAI familiarity: Working knowledge of the Vision One platform or equivalent threat intelligence/XDR platforms.
  • AI Competence: Fundamental understanding of AI/ML concepts and usecases.

Professional Attributes:

  • Strong aptitude for learning; self-directed and capable of rapidly mastering new tools and threat landscapes.
  • Comfortable thriving in a fast-paced, 24/7 operations environment.
  • Strong written and verbal communication, ability to translate security findings for both technical and non-technical stakeholders
  • Strong analytical and problem-solving skills with ability to work effectively in a global team environment
  • Comfortable speaking to customer via e-mail, chat and phone.

At Trend Micro, we embrace change, empower people, and encourage innovation in a connected world. Our diversity and multicultural workforce are key contributing factors to our success across the globe. We like to have fun while taking our culture seriously. We are an equal opportunity employer and are committed to this regardless of race, colour, religion, sex, nationality, age, citizenship, sexual orientation, marital status, gender identity or veteran status. We do not allow discrimination or harassment of any kind.