> Markdown version of [/jobs/ext/3945047-infrastructure-cyber-security-specialist](https://www.wearedevelopers.com/jobs/ext/3945047-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:** Colchester, UK (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Microsoft Azure, Cyber Security, Information Leak Prevention, Disaster Recovery, Intrusion Detection and Prevention, Microsoft Security Essentials, Azure Active Directory, Security Information and Event Management, Software Vulnerability Management, Data Classification, Microsoft InTune, Information Technology, Microsoft Sentinel, Vulnerability Analysis
- **Published:** October 27, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/infrastructure-cyber-security-specialist/53823114

## About the Role

Minimum 3 years' experience within Cyber Security, Infrastructure Security or Information Security.
Strong hands-on experience with Microsoft security technologies including:
Microsoft 365 Security
Microsoft Entra ID
Microsoft Defender
Microsoft Purview
Intune
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 with the ability to engage technical and non-technical stakeholders.

Desirable Experience

Microsoft Sentinel experience.
DLP (Data Loss Prevention) and data classification.
Experience within manufacturing, industrial or operational technology (OT) environments.
Relevant certifications such as Security+, SC-200, SC-300, AZ-500, CISSP, CISM or similar.

## Description

Manage and enhance cyber security controls across the 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 closely with internal stakeholders and third-party providers to improve overall security posture.
Assist with business continuity, disaster recovery and risk management initiatives.
Identify opportunities for continuous improvement across security processes and controls.