Junior Blue Team Security Analyst - Cyber Defense

CACI Limited; Greater London; Hybrid; GBP 26,000 - 38,000; Full time

Job summary

CACI Limited is seeking a Junior Blue Team Analyst to join the Infrastructure Cloud & Security Team within the Technology department in the UK. The role focuses on monitoring, triage and investigation across cloud, network and identity platforms, supporting incident response and maintaining security documentation.

The successful candidates will develop hands-on skills in SIEM technologies, vulnerability management and cloud security practices, working closely with infrastructure and security

Qualifications

• Demonstrable interest in cybersecurity through study, projects or work experience.
• Understanding of Windows and Active Directory.
• Basic Linux understanding and networking basics.

Responsibilities

• Monitor security alerts and events from Microsoft Sentinel and other security tools.
• Perform initial triage of security incidents and escalate as needed.
• Investigate suspicious activity across cloud, network, endpoint and identity platforms.
• Support security incident response and evidence gathering activities.
• Document security incidents, findings and lessons learned.

Skills

Windows

Active Directory

Networking fundamentals

Cybersecurity concepts

Cloud concepts (AWS/Azure)

MFA & access control

Log analysis

SIEM basics

Communication skills

Education

Bachelor's degree or equivalent

Tools

Microsoft Sentinel

PowerShell

Python

AWS

Azure

Check Point

Cisco

Job description

CACI Limited is seeking a Junior Blue Team Analyst to join the Infrastructure Cloud & Security Team within the Technology department in the UK. The role focuses on monitoring, triage and investigation across cloud, network and identity platforms, supporting incident response and maintaining security documentation.

The successful candidates will develop hands-on skills in SIEM technologies, vulnerability management and cloud security practices, working closely with infrastructure and security