SentinelOne Migration Engineer - 3 months - Hybrid - Outside IR35

SentinelOne Migration Engineer - 3 months - Hybrid - Outside IR35

We are seeking an experienced SentinelOne Migration Engineer to lead a large scale endpoint security transformation, migrating the organisation from Sophos to SentinelOne XDR. This is a hands-on engineering role requiring deep SentinelOne expertise, strong endpoint deployment skills, and proven experience running agent migrations at enterprise scale.

Key Responsibilities

• Shape, refine, and own the technical migration plan, including pilot groups, deployment waves, rollback procedures, and testing.
• Design and configure SentinelOne Site/Scope structures, policy sets, exclusions, and behavioural rules.
• Build, test, and validate deployment scripts, ensuring application compatibility and smooth endpoint onboarding.
• Lead the phased decommissioning of Sophos agents, ensuring a clean and conflict-free transition.
• Manage SentinelOne agent deployment across Windows endpoints using Intune, SCCM/MECM, or GPO.
• Troubleshoot deployment failures, agent communication issues, and policy conflicts.
• Integrate SentinelOne with supporting technologies (AD/Entra, Intune, SIEM, etc.).
• Produce documentation and deliver knowledge-transfer sessions for SOC/IR and operational teams.

What You Will Ideally Bring

• Deep, hands-on experience with SentinelOne XDR, including configuration, policy tuning, exclusions, and rule creation.
• Proven experience migrating from Sophos or other Legacy AV tools to a modern EDR/XDR platform.
• Strong PowerShell Scripting skills for automation, agent removal, and deployment validation.
• Enterprise deployment expertise with SCCM/MECM/Intune/Group Policy.
• Solid understanding of Windows endpoint internals, networking fundamentals, and security controls.
• Experience leading technical migrations with minimal business disruption.

Contract Details

• Duration: 3 months
• Day Rate: Competitive (Outside IR35)
• Location: Northampton (Hybrid)
• Start Date: ASAP