Note: The job is a remote job and is open to candidates in USA. Triangle Cyber, LLC is seeking a Senior Endpoint Security Engineer to support a federal client and safeguard a large enterprise network. The role focuses on designing, deploying, and operationalizing behavior-based endpoint detection and response capabilities using platforms such as CrowdStrike Falcon, Microsoft Defender, SentinelOne, and Splunk.
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
Skills
- U.S. Citizenship required
- 13+ 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
- 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
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