> Markdown version of [/jobs/ext/3977687-infrastructure-cyber-security-specialist](https://www.wearedevelopers.com/jobs/ext/3977687-infrastructure-cyber-security-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure & Cyber Security Specialist - **Company:** Adecco - **Location:** Ardleigh, UK (Remote available) - **Experience:** Experienced - **Salary:** £51,000.0 - £55,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Microsoft Antivirus, Microsoft Azure, Cloud Computing, Cyber Security, Information Leak Prevention, Disaster Recovery, Intrusion Detection and Prevention, Microsoft Security Essentials, Microsoft Office, Azure Active Directory, Security Information and Event Management, Software Vulnerability Management, Data Classification, Microsoft InTune, Microsoft Fabric, Information Technology, Microsoft Sentinel, Operational Systems, Vulnerability Analysis - **Published:** October 28, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5943372238 ## About the Role * Minimum 3 years experience in Cyber Security, Infrastructure Security or Information Security * Hands-on experience with Microsoft 365 Security, Microsoft Entra ID, Microsoft Defender, Microsoft Purview, Intune and Azure Security * Experience with incident response, threat detection and remediation * Knowledge of SIEM technologies and security monitoring * Vulnerability management experience and familiarity with related tooling * Understanding of security frameworks and standards such as NIST, ISO 27001, Cyber Essentials or NIS2 * Experience supporting audits, compliance and governance activities * Strong analytical and problem-solving skills * Excellent communication skills and ability to engage technical and non-technical stakeholders * Applicants must have the right to work in the UK; sponsorship is not available * Desirable: Microsoft Sentinel experience * Desirable: DLP (Data Loss Prevention) and data classification experience * Desirable: Experience in manufacturing, industrial or operational technology (OT) environments * Desirable: Relevant certifications such as Security+, SC-200, SC-300, AZ-500, CISSP, CISM or similar ## Description * Manage and enhance cyber security controls across our IT infrastructure * Monitor, investigate and respond to security incidents and threats * Support the implementation and management of SIEM, endpoint security and monitoring solutions * Conduct vulnerability assessments and coordinate remediation activities * Implement and maintain Microsoft security technologies, including Entra ID, Defender and Purview * Develop and enforce security policies, standards and best practices * Support internal and external audits, compliance activities and security assessments * Ensure alignment with recognised security frameworks and regulatory requirements * Work with internal stakeholders and third-party providers to improve our overall security posture * Assist with business continuity, disaster recovery and risk management initiatives * Identify opportunities to continuously improve security processes and controls Technologies: * Azure * Support * Microsoft 365 * Security * Office 365 * Cloud