Junior Cyber Security Analyst

Salary: £27,000 - 27,000 per year

Requirements:

• 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

Responsibilities:

• 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

More:

We are Executive Jet Support Ltd, a world-leading provider of commercial aircraft, engines and airframe components to almost 300 operators in over 50 countries across the globe. We are a family-based company driven by pride in our work and the support we provide to our customers. This is a full-time, permanent, on-site Junior Cyber Security Analyst role based at Bumpers Farm, Chippenham, Wiltshire, working Monday to Friday with a salary of £27,000. We offer an annual bonus scheme and a wide range of benefits including life assurance, private healthcare cover, incremental holiday entitlement, an extra paid day off for your birthday, company sick pay, attendance bonus, employee assistance programme, Perkbox rewards, free weekly fruit, free onsite parking and staff events. We are looking for someone with a genuine interest in cyber security who wants to build a long-term career in a growing, dynamic and professional aviation company.

last updated 36 week of 2026