[Remote] Senior Endpoint Security Engineer

Note: The job is a remote job and is open to candidates in USA. Barracuda is seeking a Senior Endpoint Security & IR Engineer to lead incident response engagements, manage its SentinelOne XDR platform, and investigate threats across multiple client environments. The role also develops detection and automation capabilities and advises clients during security incidents.

Responsibilities

• 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
• 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 and risk tolerance
• Maintain SLA commitments for incident acknowledgment, updates, and resolution
• Contribute to client security posture assessments and IR readiness recommendations

Skills

• Expert knowledge and experience in SentinelOne – Key Requirement
• Proven experience in windows, mac and linux environments
• Minimum of bachelor's degree in computer science and 5+ years of hands-on experience in incident response, digital forensics, or security operations
• Demonstrated ability to manage multiple client engagements simultaneously
• Proven track record investigating real-world incidents including ransomware, BEC Attacks, lateral movement, data exfiltration etc
• Experience working in multi-tenant environments with diverse security maturity levels
• GIAC certification required; one or more of the following: GCIH (GIAC Certified Incident Handler), GCFA (GIAC Certified Forensic Analyst), GCFE (GIAC Certified Forensic Examiner), GNFA (GIAC Network Forensic Analyst) Equivalent certifications considered: OSCP, eCIR, eCDFP, EnCE, SC-200, AZ-500
• DFIR - Binalyze AIR - remote acquisition, triage, timeline analysis and artifact collection
• EDR - SentinelOne threat investigations, Deep Visibility, detection engineering, policy configuration
• Microsoft 365 / Defender - BEC investigation, UAL analysis, Safe Links/Attachments, Entra ID etc
• Analytics - Databricks - large-scale log analysis, SQL/Python notebooks, threat hunting at scale
• Automation - workflow automation, playbook development, API integrations and continuous monitoring
• MSSP, MDR, or consulting experience is strongly preferred
• Experience with additional EDR platforms (CrowdStrike, Microsoft Defender for Endpoint)
• Advanced knowledge of macOS and Linux forensics
• Familiarity with threat intelligence platforms (MISP, Recorded Future, Virus Total Enterprise)
• Experience with Velociraptor, KAPE, or Volatility for advanced forensic collection and investigations
• Prior experience in IR teams or serving as an IR practice SME

Benefits

• Equity, in the form of non-qualifying options
• High-quality health benefits
• Retirement Plan with employer match
• Career-growth opportunities
• Flexible Time Off and Paid Time Off benefits
• Volunteer opportunities

Company Overview

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