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M365 cyber security architect

Dublin
Oliver James
Cyber security architect
Posted: 23 January
Offer description

M365 Cyber Security Architect (Contract)

Contract Length:
6 Months (With trong possibility of extension)

Location:
Hybrid - 2-3 days onsite

Experience:
10-13 years

Overview

We are looking for an experienced
M365 Security Architect
to lead the
end-to-end design and implementation
of enterprise-grade security solutions within a fast growing cyber security team. This is a hands-on architecture role where you'll own delivery, shape security strategy, and work directly with clients on high-impact engagements.

This contract offers strong visibility, the opportunity to influence multiple projects, and the chance to build repeatable security frameworks that scale across enterprise environments.

Key Responsibilities

* Lead
enterprise security architecture
across Microsoft 365 environments
* Own
end-to-end implementation and design
, from requirements through delivery
* Create
repeatable security blueprints
and reference architectures
* Design solutions that are
commercially viable and delivery-focused
for client engagements
* Work closely with SOC teams, engineering, and stakeholders to ensure secure, scalable outcomes
* Act as a trusted advisor to clients, contributing to solution shaping and delivery excellence

Key Skills & Experience

* Proven experience as an
Enterprise Security Architect
* Strong background in
security design and implementation
* Deep expertise across:

* Microsoft Defender
(used within SOC environments)

* Microsoft Sentinel
* Palo Alto
* CrowdStrike
* QRadar
* Strong
solutions engineering
capability
* Experience creating reusable security frameworks and blueprints
* Comfortable operating in client-facing, delivery-focused roles

Why Join?

* Own the full life-cycle
of security architecture within a multinational company
* High-impact role with
greater exposure to multiple projects and clients
* Opportunity to shape security strategy, not just implement it
* Work on complex, enterprise-scale security challenges
* Strong hybrid working model with meaningful onsite collaboration

If you're a senior security architect who enjoys ownership, delivery, and working at scale, this is a standout contract opportunity.

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