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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Cyber Security Analyst - **Company:** Executive Jet Support Ltd - **Location:** Chippenham, UK - **Experience:** Starter - **Salary:** £27,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Antivirus, Cyber Security, Microsoft Security Essentials, Microsoft Office, Phishing, Security Information and Event Management, Software Vulnerability Management, Microsoft InTune, Azure Security Center, Microsoft Sentinel, Network Server - **Published:** September 3, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5868805999 ## About the Role * Good understanding of Microsoft Windows operating systems * Basic understanding of Microsoft 365 and Active Directory * Awareness of common cyber security threats including phishing, ransomware and malware * Understanding of email security principles * Familiarity with security concepts such as MFA, least privilege and endpoint protection * Good troubleshooting and analytical skills * Strong attention to detail * Excellent written and verbal communication skills * Willingness to learn and develop technical security skills * Experience using Microsoft Defender XDR * Experience reviewing security alerts or working within a SOC environment * Knowledge of Microsoft Defender for Endpoint * Understanding of Attack Surface Reduction (ASR) rules * Familiarity with Group Policy (GPO) * Experience with Microsoft Intune * Exposure to Microsoft Sentinel or other SIEM platforms * Knowledge of vulnerability management and remediation * Experience handling phishing investigations ## Description * Monitoring and triaging security alerts generated by Microsoft Defender XDR and other security platforms * Reviewing and investigating email threats including phishing, malware and suspicious attachments * Managing Microsoft 365 email quarantine and releasing legitimate messages where appropriate * Supporting the investigation and remediation of cyber security incidents * Assisting with vulnerability management and security improvement activities * Reviewing alerts from protection platforms * Monitoring endpoint security across Windows devices and servers * Assisting with the implementation and maintenance of Microsoft security controls * Supporting the administration of Microsoft Defender, Intune and Microsoft 365 security features * Assisting with reviewing and maintaining Attack Surface Reduction (ASR) policies * Supporting security awareness initiatives and user education * Maintaining accurate documentation and incident records * Escalating significant threats and incidents to senior engineers where required * Working closely with the wider IT team to improve the organisations security posture * Supporting the wider IT team during periods of increased demand, project activity or planned absence cover Technologies: * Active Directory * Support * Microsoft 365 * Microsoft Intune * Security * Windows * Office 365 ## Related Videos - [Passkeys: Truly Phishing-Resistant? 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