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Endpoint Security Engineer (8+years, CrowdStrike Falcon, Microsoft Defender, SentinelOne) at Triangle Cyber, LLC. . Location: Remote (United States). Summary:. Triangle Cyber is seeking an Endpoint Security Engineer for a federal client to design, deploy, and operationalize active, behavior-based endpoint detection and response capabilities across a large enterprise network. Leveraging platforms like CrowdStrike Falcon, Microsoft Defender, SentinelOne, and Splunk, you will play a pivotal role in safeguarding this expansive network.. . Responsibilities:. . . Engineer, deploy, and maintain Next-Gen Antivirus (NGAV) and Endpoint Detection & Response (EDR/XDR) agents across a diverse range of endpoints.. . Implement behavioral protections against zero-day malware and advanced persistent threats.. . Collaborate with application owners and business units to establish baseline behavior profiles.. . Manage allowlisting, exception workflows, and phased ring deployments to ensure seamless protection.. . Support SOC investigations and collaborate with system owners for enterprise security.. . . Requirements:. . . U.S. Citizenship required.. . 8+ years of relevant experience in cybersecurity engineering or infrastructure security roles.. . Experience with enterprise-grade EDR/XDR platforms (CrowdStrike Falcon, Microsoft Defender, and/or SentinelOne SIEM) across extensive endpoint environments . . Bachelor’s degree in Computer Science, Cybersecurity, Information Systems, or equivalent experience (17 years total).. . Proficiency in administering endpoint platforms across various operating systems.. . Expertise in behavioral analysis, threat hunting, and using query languages like SQL, KQL, and YARA.. . Strong programming skills in PowerShell, Python, or Bash for automation.. . Fluency in using AI/ML technologies to automate security activities.. . Ability to balance security controls with business operations, ensuring minimal disruption.. . Experience in crisis leadership, operational scale management, and policy automation.. . . Preferred:. . . GIAC Certified Enterprise Defender (GCED), GCIH, or GCFA certification.. . CISSP certification.. . Vendor-specific credentials, such as CrowdStrike Certified Falcon Administrator or Microsoft Certified: Security Operations Analyst Associate.. . . Triangle Cyber, LLC is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to any legally protected status.