Summary
Overview
Work history
Education
Skills
Websites
Certification
Timeline
Generic
Ciaran Walsh

Ciaran Walsh

Leighlinbridge,Co Carlow

Summary

Accomplished cybersecurity professional with extensive expertise in EDR and NDR, SIEM proficiency, and cloud architecture design. Demonstrates strong knowledge of AWS and Azure, specialising in phishing detection and response, cyber threat intelligence, and security operations. Adept at communication and report writing, with proven skills in data loss prevention strategies and O365 security solutions. Experienced in remote security implementation, analytical problem-solving, team collaboration, and working independently under pressure. Passionate about information security with a focus on high-pressure management strategies and customer engagement in security services.

Overview

23
23
years of professional experience
4
4
years of post-secondary education
1
1
Certification

Work history

Security Analyst

CRH
Dublin, Dublin
12.2023 - 01.2025
  • Conducted counter threat intelligence using Zerofox, DomainTool, and CyberAngel.
  • Managed phishing incidents with Proofpoint, Trap, and Tap solutions.
  • Collaborated with Reliaquest on Graymatter initiatives to enhance security measures.
  • Provided support at ServiceNow cyber help desk for incident resolution.
  • Navigated complex organisational structures across multiple global subsidiaries.

Security Analyst

CDC StateStreet
Kilkenny, County Kilkenny
09.2022 - 06.2023
  • Utilised SNOW to improve detection capabilities across operations.
  • Managed PhishER for efficient processing of suspicious emails.
  • Implemented Symantec DLP to protect sensitive information effectively.
  • Produced daily Pulse reports to ensure operational transparency in a global environment.

Associated Security Analyst

Vectra AI
02.2021 - 08.2022
  • Streamlined workflow processes through automation tools, enhancing productivity and minimising human error in security operations.
  • Analysed network traffic logs to identify irregular behaviour, preventing potential cyber attacks.
  • Collaborated with IT team to design and implement effective security protocols, increasing network safety.
  • Recommended updates for customers and improving overall performance and resilience against threats.
  • Conducted customer weekly reports and triaged networks as part of analysis responsibilities.
  • Provided customer training and managed MDR processes to ensure operational excellence.
  • Facilitated monthly touchpoints, quarterly business reviews, and health checks in CSM role.

Evening Staff

Drive Filling Station
Leighlinbridge
01.2017 - 01.2021

Bar Manager

Fox on the Downs
Brighton
01.2015 - 01.2016

Evening manager

Centra
Leighlinbridge
01.2002 - 01.2015
  • Evening manager with Centra
  • (Centra Filling Station, Leighlinbridge)

Education

Bachelor of Science - Cyber Crime and IT Security

SETU | South East Technological University
Carlow
01.2017 - 01.2021

Skills

  • EDR and NDR expertise
  • SIEM proficiency
  • Cloud architecture, AWS and Azure knowledge
  • Phishing detection and response experience
  • Cyber threat intelligence (CTI) proficiency
  • Data loss prevention strategies
  • O365 security solutions
  • Remote security implementation
  • Analytical problem-solving skills
  • Team collaboration and independence
  • Attention to detail under pressure
  • Information security passion
  • High-pressure management strategies
  • Customer engagement in security services
  • Security operations experience
  • Communication and report writing

Certification

  • CCNA
  • CompTIA CYSA+
  • AWS Cloud Technical Essentials
  • AWS Fundamentals: Addressing Security Risk
  • Splunk Fundamentals 1
  • Splunk User Behaviour Analytics

Timeline

Security Analyst

CRH
12.2023 - 01.2025

Security Analyst

CDC StateStreet
09.2022 - 06.2023

Associated Security Analyst

Vectra AI
02.2021 - 08.2022

Evening Staff

Drive Filling Station
01.2017 - 01.2021

Bachelor of Science - Cyber Crime and IT Security

SETU | South East Technological University
01.2017 - 01.2021

Bar Manager

Fox on the Downs
01.2015 - 01.2016

Evening manager

Centra
01.2002 - 01.2015
Ciaran Walsh