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.

Company
X4 Technology
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Salary
£350 per day
Posted
Company
X4 Technology
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Salary
£350 per day
Posted