Cyber Defense Engineer: MS 365 & Cloud Security

Northern Ireland Water Limited; Belfast; On-site; GBP 45,000 - GBP 65,000; Full time

Job summary

A leading utility company in Northern Ireland is seeking an IT Security Operations Engineer to enhance cyber resilience by identifying and resolving security incidents. The role requires expertise in Microsoft 365 security tooling, cybersecurity engineering, and strong networking fundamentals. Successful candidates will have a Bachelor's degree in a related field and at least 5 years of experience. This is an on-site position with a focus on operational excellence and regulatory compliance.

Qualifications

• 5+ years experience in cybersecurity engineering/operations, ideally within a regulated environment.
• Hands-on experience across SIEM, EDR/XDR, vulnerability management, and cloud security.
• Practical capability in threat detection and investigation workflows.

Responsibilities

• Investigate security alerts across environments using security tools.
• Respond to and contain security incidents using ITIL-aligned processes.
• Manage and improve Microsoft 365 security configurations.
• Contribute to governance and compliance activity, supporting ISO 27001/GDPR.

Skills

Microsoft 365 security tooling

Cybersecurity engineering

Networking fundamentals

Vulnerability management

Threat detection

Scripting (PowerShell)

Education

Bachelor's degree in Computer Science or related discipline

Tools

SIEM tools

EDR/XDR solutions

Microsoft Defender suite

ITIL processes

Job description

A leading utility company in Northern Ireland is seeking an IT Security Operations Engineer to enhance cyber resilience by identifying and resolving security incidents. The role requires expertise in Microsoft 365 security tooling, cybersecurity engineering, and strong networking fundamentals. Successful candidates will have a Bachelor's degree in a related field and at least 5 years of experience. This is an on-site position with a focus on operational excellence and regulatory compliance.