Cyber Security Analyst

Location:

Abingdon

• 25+ Days Holiday and rising (plus bank holidays)
• Flexible working (WFH incentives)
• Bupa Cash Plan
• Electric Vehicle Scheme
• Cycle Scheme
• Discounted Gym Membership
• Paid Charity Day
• Car Parking

The Security Administrator is responsible for the hands‑on operation and improvement of the MSP's security services across internal and client environments. The role investigates threats, responds to security escalations, improves security posture, supports tenant hardening and helps translate findings into practical remediation actions.

The role acts as a technical security escalation point for Service Desk, Infrastructure, Account Managers and clients, supporting QSRs, vulnerability management, exception handling and security improvement activity.

• Monitor and investigate alerts across Microsoft 365, Sophos and other security platforms used across internal and client environments.
• Investigate security incidents
• Support containment, remediation and recovery activity for security incidents.
• Escalate significant incidents
• Support Major Incident response activity.
• Maintain security documentations.
• Contribute to continuous improvement of the MSP's internal security posture through remediation support, control implementation and evidence gathering.

• Review vulnerability scan results.
• Validate findings and identify false positives.
• Track remediation activities.
• Work with Service Desk and Infrastructure teams to reduce risk exposure.
• Produce regular vulnerability posture reporting.

• Review Microsoft Secure Score, Defender, Entra , Intune and Conditional Access recommendations.
• Support implementation of Microsoft 365 security improvements across internal and client environments.
• Investigate Microsoft 365 security alerts, identity risks and configuration issues.
• Assist with MFA, Conditional Access, Defender, Intune and endpoint security initiatives.

• Threat Investigation
• Security Improvement Delivery
• Escalation Judgement
• Evidence & Documentation Discipline
• Service Desk Enablement.
• Client Advisory Support
• Operational Ownership
• Prioritisation Under Pressure
• Pragmatic Security Mindset
• Continuous Learning

• Experience working in an MSP, multi-client technical support, infrastructure or security administrator role.
• Practical experience using security platforms to investigate alerts, respond to issues and improve security posture, including Microsoft 365 security tooling and Sophos.
• Experience investigating security incidents, suspicious activity, phishing, malware, account compromise or similar security scenarios.
• Experience supporting security hardening, configuration improvement, vulnerability management, patching, remediation tracking or control implementation.
• Strong troubleshooting skills across user, endpoint, identity, email, cloud and client configuration scenarios.
• Strong curiosity and initiative, with the ability to investigate unclear security issues, pull on technical threads and follow them through to practical outcomes.
• Ability to communicate technical risks clearly to Service Desk, Infrastructure, Account Managers and clients.
• Strong documentation skills, including evidence gathering, investigation notes, exceptions, remediation records and review dates.

Planet Recruitment is an Equal Opportunities Employer.

Please note that no terminology in this advert is intended to discriminate on the grounds of a person's gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and abilities to perform the duties of the position.