Senior Endpoint Security Engineer

About the role

Come join our passionate team! Barracuda is a leading cybersecurity company providing complete protection against complex threats. Our platform protects email, data, applications, and networks with innovative solutions, and a managed XDR service, to strengthen cyber resilience. Hundreds of thousands of IT professionals and managed service providers worldwide trust us to protect and support them with solutions that are easy to buy, deploy, and use. We know a diverse workforce adds to our collective value and strength as an organization.

Envision Yourself At Barracuda We are seeking a Senior Endpoint Security & IR Engineer to join our incident response team. You will lead management of our SentinelOne XDR platform, complex investigations across multiple client environments, drive rapid containment of active threats, and serve as a trusted advisor to clients during their most critical security events. This role combines deep technical expertise with client-facing communication skills in a fast-paced, multi-tenant MSSP environment. You will work closely with our Cyber Concierge, Threat Analysts and Automation teams to continuously improve our response capabilities and protect our clients from sophisticated adversaries.

Responsibilities

• Expert knowledge and experience in SentinelOne – Key Requirement
• Lead end-to-end incident response engagements across diverse client environments, from initial triage through remediation and lessons learned
• Perform host-based forensics using Binalyze AIR for remote evidence acquisition, triage, and analysis at scale
• Design custom detection rules within SentinelOne and fine tune protection policies.
• Proven experience in windows, mac and linux environments
• Investigate alerts and threats detected by SentinelOne, including Deep Visibility hunting, threat timeline reconstruction, and MITRE ATT&CK mapping
• Analyze Microsoft 365 security incidents including business email compromise, OAuth abuse, mailbox rule manipulation, and Azure AD/Entra ID attacks
• Conduct log analysis and threat hunting in Elastic to identify indicators of compromise, lateral movement, and data exfiltration
• Leverage Databricks for large-scale log analytics, anomaly detection, and threat hunting across aggregated client telemetry
• Document findings in clear, executive-ready incident reports tailored to both technical and non-technical stakeholders
• Participate in a 24/7 on-call rotation
• Develop and maintain Python scripts for evidence collection, log parsing, IOC enrichment, and automated response actions
• Build and optimize automated response workflows in Tines to accelerate containment and MTTR
• Create and tune detection rules in Elastic and SentinelOne based on investigative findings and emerging threat intelligence
• Integrate tooling across the security stack to streamline IR workflows and reduce manual effort.
• Serve as the primary IR point of contact for client stakeholders during active incidents
• Conduct client-facing incident briefings, root cause analysis presentations, and post-incident reviews
• Deliver actionable remediation guidance tailored to each client's environment