Security Architect Z-Scaler & Defender

Senior Security Solutions Consultant (Zscaler & Microsoft Defender)

£400/day | Outside IR35

London (2-3 days/week onsite, remainder remote)

Insurance Sector | Consultancy Engagement

We’re hiring a Senior Security Solutions Consultant to deliver cutting-edge security transformation for a major insurance client, working via a leading consultancy.

This is a contract opportunity paying £400/day (Outside IR35) with a hybrid setup- 2-3 days per week in a central London office, the rest remote.

You’ll lead the design, implementation, and lifecycle management of enterprise-grade security solutions using Zscaler (ZIA, ZPA) and the Microsoft Defender suite (Defender for Endpoint, Identity, Cloud, Office 365).

Senior Security Solutions Consultant (Zscaler & Microsoft Defender) Key Responsibilities:

• End-to-end implementation of Zscaler ZIA/ZPA and Microsoft Defender solutions
• Define target architecture, integration strategy, and rollout plans
• Lead POCs and manage production deployments
• Configure advanced security policies (traffic steering, SSL inspection, etc.)
• Integrate tools with SIEM, identity platforms (e.g., Entra ID), and endpoint management
• Produce high-quality documentation (HLDs, LLDs, runbooks, SOPs)
• Collaborate across security, network, cloud, and endpoint teams
• Deliver security posture reviews and remediation plans
• Provide technical leadership to internal teams and delivery partners

? Senior Security Solutions Consultant (Zscaler & Microsoft Defender) Requirements:

• 10+ years in IT, with 5+ years focused on security solution design/delivery
• Strong hands-on experience with Zscaler ZIA, ZPA, Client Connector
• Deep knowledge of Microsoft Defender (Endpoint, Identity, Cloud, O365)
• Experience integrating with SIEM/SOAR, conditional access, and zero trust architecture
• Excellent stakeholder engagement and documentation skills

Senior Security Solutions Consultant (Zscaler & Microsoft Defender) Nice to Have:

• Zscaler Certified Professional (ZCP)
• Microsoft certifications (SC-200, SC-300, AZ-500)
• Scripting with PowerShell, KQL, or automation tooling
• Experience in regulated industries (e.g. finance or insurance)

This is a great opportunity to work on a high-impact security transformation project within a well-established insurance business, all while operating outside IR35 with a flexible hybrid model.

Apply now or message us for more details. Immediate interviews available.