IT Security Analyst

Overview

Investigate cyber threats, manage incidents, and support ISO27001 ISMS in Dublin.

Key Responsibilities

• security protocols
• uba analysis
• incident management
• phishing simulations
• vulnerability management
• isms support

Tasks

-Adhering to and improving security protocols -Analysing output from various UBA tools -Working closely with Managed Security Service Provider on triaging security incidents. -Coordinating phishing simulations -Investigating all informational and minor level security incidents -Monitoring engagement and contributing to Cybersecurity Awareness and Training programmes (including selecting and developing security awareness content) -Addressing information security non-conformance reports -Engaging with end users flagged by security monitoring tools -Participate in policy review as required -Addressing vulnerabilities on end user devices (Windows and Mobile) -Supporting ISMS programme (SOA, SOPs, Procedures) -Managing Security Incidents in ServiceNow and other platforms -Facilitate security workshops -Hosting security training webinars and workshops for end users -Investigate and advise on end user concerns surrounding phishing and other cyber activities -Escalating Major and Critical severity incident to Security Ops Investigators / Sys Admins

Requirements

• comptia security+
• ms-500
• entra id
• mimecast
• crowdstrike
• iso27001

What You Bring

-Full Driving Licence -CompTIA Security+ / CySA+ -Experience with Microsoft Identity Services and relevant Security Tools (Entra ID, Conditional Access, Microsoft Defender, Identity Protection, PIM) -Experience with enterprise level email security tools (e.g., Mimecast, Proofpoint, Abnormal) -Experience with various MFA protocols -MS-500 / AZ-500 -BA/MSc in computer science or in related field -CompTIA PenTest+ -CompTIA Network+ / CCNA -Proven interpersonal skills -Knowledge working under EU legislation is desirable -Basic experience with standard log analytics tools (e.g., KQL) -Knowledge of various security methodologies and processes, and technical security solutions (SIEM, IDS/IPS, Firewall Solutions, Offensive Security tools) -1-3 years' experience as a Security Analyst or equivalent knowledge -Working knowledge of ISO27001 framework -Following common security frameworks (e.g., ISO27001, NIST) -Experience with enterprise level Endpoint Security / EDR solutions (e.g., CrowdStrike, Carbon Black, Defender for Endpoints) -Knowledge of TCP/IP Protocols, network analysis, and network/security applications -Problem solving – to take structured approach to problems -Familiar with vulnerability management process and common enterprise VM platforms (e.g., Qualys, Rapid7, Tenable,) -Familiarity with web security / SASE / SSE platforms (e.g., Netskope, ZScaler) -Ability to manage and prioritize own tasks

People Also Searched For

About Mercury

-Delivers complex engineering and construction projects—often turnkey mechanical, electrical, and commissioning works—across Europe and beyond. -Their specialisms span mechanical and electrical engineering, sprinkler and fire-protection systems, data-center infrastructure, and commissioning services. -The company’s history is marked by early adoption of BIM, prefabricated modular construction, and digital commissioning platforms—underscoring its tech-driven edge.

Sector Specialisms