M365 Security Design Engineer

JR United Kingdom; Portsmouth; On-site; GBP 55,000 - 85,000; Full time

Job summary

A growing company in Portsmouth is seeking a knowledgeable M365 Security Design Engineer to spearhead security solutions within Microsoft 365. The role involves designing and implementing security controls, risk assessments, and collaborating with security teams to manage threats. Ideal candidates will have strong expertise in M365 security technologies and relevant certifications.

Qualifications

• Proven experience designing and securing M365 environments in enterprise settings.
• In-depth knowledge of Microsoft 365 security technologies.
• Strong understanding of conditional access controls and regulatory frameworks.

Responsibilities

• Design and implement security controls across E5 Microsoft 365 services.
• Support projects through design and deployment stages.
• Conduct risk assessments and collaborate with operations teams.

Skills

M365 Security Technologies

Identity Access Management

Cyber Security

PowerShell Scripting

Compliance Frameworks Knowledge

Education

Relevant Microsoft Certifications (e.g., SC-100, SC-300, MS-500, AZ-500)

Job description

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M365 Security Design Engineer, portsmouth, hampshire

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Client:

LHH

Location:

portsmouth, hampshire, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

31.05.2025

Expiry Date:

15.07.2025

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Job Description:

M365 Security Design Engineer

We are looking for a knowledgeable and proactive M365 Security Design Engineer to lead the design and implementation of security solutions within the Microsoft 365 ecosystem. The ideal candidate will have deep technical expertise in M365 security capabilities and a strong understanding of modern cyber threats, compliance requirements, and enterprise security architecture.

Key Responsibilities:

• Design and implement security controls across E5 Microsoft 365 services (e.g., Endpoints; Exchange Online, SharePoint Online, OneDrive, Teams).
• Support Windows 11 and Exchange Online projects through their design and deployment stages.
• Develop and maintain security configurations and baselines in line with industry standards (e.g., NIST, CIS, ISO 27001).
• Configure and manage Microsoft Defender for Office 365 / Cloud / Endpoint / Servers, Purview (Information Protection, Data Loss Prevention), and Microsoft Entra (Azure AD) security features.
• Experience of integrating with MS Sentinel and working with existing SOC teams to adopt Sentinel technology capability.
• Experience of implementing MS Privileged Identity Management (PIM)
• Provide security input and guidance on identity and access management, conditional access policies, and zero trust architecture.
• Conduct risk assessments, gap analysis, and security impact analysis for M365 deployments and integrations.
• Collaborate with security operations and compliance teams to monitor, investigate, and remediate threats and incidents.
• Maintain up-to-date documentation and deliver training or knowledge transfer sessions to operational teams

Required Skills and Qualifications:

• Proven experience designing and securing M365 environments in enterprise settings.
• In-depth knowledge of Microsoft 365 security technologies, including Defender suite, Purview, and Entra ID.
• Strong understanding of identity, access management, and conditional access controls.
• Familiarity with regulatory and compliance frameworks such as GDPR, HIPAA, and ISO 27001.
• Proficient with Microsoft security and compliance portals, PowerShell scripting, and automation tools.
• Relevant Microsoft certifications (e.g., SC-100, SC-300, MS-500, AZ-500) are highly desirable.