EDR / Endpoint Security Engineer – SentinelOne (Ongoing)

• *EDR / Endpoint Security Engineer – SentinelOne (Ongoing)** We're a Managed Security Service Provider (MSSP) looking for an experienced Endpoint Security Engineer to support ongoing management of SentinelOne across our client base. This is a long-term engagement with additional hours available for project-based work as it arises. • *What You'll Be Doing** • Backend administration, configuration, and management of SentinelOne across multiple client environments • Agent deployment and troubleshooting across Windows, Linux, and macOS environments • Reviewing alerts and taking appropriate action, owning issues directly within the SentinelOne management console • Handling ticket-based change requests related to SentinelOne (policy updates, exclusions, agent configuration, group management, etc.) • Supporting project-based work as needed (new deployments, policy overhauls, environment expansions, agent migrations across accounts, etc.) • *What We're Looking For** This role requires deep, hands-on SentinelOne expertise. Strong candidates will have direct experience with: • *SentinelOne Platform Administration** • Backend management and configuration within the SentinelOne management console • Policy creation, scope management, exclusion logic, and group/site structure • Agent lifecycle management — deployment, upgrades, troubleshooting, and health monitoring • Migrating SentinelOne agents across accounts, including token-based re-registration and maintaining policy continuity during transitions • *Multi-OS Endpoint Experience** • Deploying and managing SentinelOne agents across Windows, Linux, and macOS • Understanding of OS-level differences that affect agent behavior, deployment methods, and troubleshooting paths • *Alert Management & Triage** • Reviewing and actioning alerts, distinguishing true positives from false positives • Threat investigation and response within the SentinelOne console • Incident response experience is a strong plus • *Additional Requirements** • Experience working in an MSSP or multi-tenant environment is a strong plus • Ability to work independently and manage multiple client environments with minimal oversight • Responsive and reliable — this role requires timely turnaround on client tickets and requests • *Engagement Details** • Ongoing, long-term contract • Hourly rate — please include your rate and relevant experience in your application To apply, please share specific examples of your SentinelOne administration experience, including the scale of environments you've managed, OS environments you've deployed into, and any complex issues you've resolved.