Senior Microsoft Security Consultant / Solution Architect (Sentinel/Defender/Purview)

Threatscape; Greater London; Remote; GBP 90,000 - 130,000; Full time

Job summary

Threatscape is seeking a Senior Microsoft Security Consultant / Solution Architect to join our growing Microsoft Security Practice. The role combines client-facing delivery with hands‑on engineering and architecture, shaping our Sentinel offerings and security services.

You will lead deployments, mentor colleagues, and collaborate with customers to design effective monitoring, detection, and response capabilities using Defender, Purview, Entra ID, and Azure Security.

Qualifications

• Proven Microsoft Sentinel implementations in enterprise environments.
• Strong ability to onboard and integrate new Sentinel data sources.
• Hands-on troubleshooting, optimization, and enhancements of Sentinel deployments.
• Solid knowledge of Defender integration with Sentinel.

Responsibilities

• Design, implement, and optimise Microsoft Sentinel solutions for enterprise customers.
• Lead Sentinel deployments, data source onboarding, automation development, and platform enhancements.
• Troubleshoot and resolve complex Sentinel, Logic Apps, and security integration challenges.
• Define and deliver security monitoring, detection, and response capabilities with customers.
• Support deployment and integration of Microsoft Defender technologies.
• Deliver broader Microsoft Security consulting across Defender, Purview, Entra ID, and Azure Security as required.

Skills

Sentinel expert

Hands-on and architecture

Customer-facing

Mentoring

Security consulting

Education

SC-100 – Microsoft Cybersecurity Architect Expert

SC-200 – Microsoft Security Operations Analyst Associate

Tools

Microsoft Sentinel

Logic Apps

Microsoft Defender

Azure Security

Job description

Senior Microsoft Security Consultant / Solution Architect

About The Role

• Remote (with very occasional travel), within the UK or Ireland.
• Immediate start or as soon as possible
• No sponsorship available - you need to be legally authorised to work in the country
• Interview process: video + onsite

We are looking for a Senior Microsoft Security Consultant / Solution Architect to join our growing Microsoft Security Practice. This permanent position combines client-facing delivery, solution architecture, and practice development. You will be a core member of our security team, delivering Microsoft Security projects across a range of customers while helping shape and grow our Sentinel offering.

What We're Looking For

• A proven Sentinel specialist with experience delivering successful customer engagements.
• Someone who can operate comfortably at both hands‑on technical and solution architecture levels.
• A strong communicator who enjoys working with customers and mentoring others.
• A consultant who wants to play a key role in growing a leading Microsoft Security Practice.

Key Responsibilities

Client Delivery

• Design, implement, and optimise Microsoft Sentinel solutions for enterprise customers.
• Lead Sentinel deployments, data source onboarding, automation development, and platform enhancements.
• Troubleshoot and resolve complex Sentinel, Logic Apps, and security integration challenges.
• Work closely with customers to define and deliver security monitoring, detection, and response capabilities.
• Support the deployment and integration of Microsoft Defender technologies.
• Deliver broader Microsoft Security consulting, architecture, and implementation services across technologies such as Defender, Purview, Entra ID, and Azure Security, depending on customer requirements

Practice Development

• Help develop and expand our Microsoft Sentinel capability, services, and best practices.
• Contribute to pre‑sales activities, workshops, solution design, and customer engagements.
• Mentor colleagues and share knowledge across the Microsoft Security Practice.
• Stay current with Microsoft's evolving security portfolio and emerging technologies.

Essential Skills & Experience

• Proven experience delivering Microsoft Sentinel implementations in enterprise environments.
• Strong experience onboarding and integrating new Sentinel data sources.
• Hands‑on expertise troubleshooting, optimising, and enhancing Sentinel deployments.
• Strong knowledge of Microsoft Defender and its integration with Sentinel.
• Experience designing and implementing Logic Apps and Sentinel automation playbooks.
• Previous experience as a Security Consultant, Security Architect, or Solution Architect.
• Strong client‑facing, stakeholder management, and consulting skills.

Desirable Skills & Experience

Experience with one or more of the following: Microsoft Purview, Entra ID, Azure, Insider Risk Management, Abnormal Security, Microsoft Information Protection and Compliance solutions

Certifications

Ideally:

• SC-100 – Microsoft Cybersecurity Architect Expert
• SC-200 – Microsoft Security Operations Analyst Associate

Why Join Us?

• Be part of a growing Microsoft Security Practice and influence its future direction.
• Work on high‑profile security transformation projects across diverse customer environments.
• Help shape and expand our Microsoft Sentinel capability and services.
• Collaborate with a highly experienced team, including five Microsoft MVPs.