Cyber Defense Engineer

A growing organization in Dallas is seeking an experienced Cyber Defense Engineer to support a cloud-first cybersecurity program. This role is responsible for leading the end-to-end incident response lifecycle across enterprise and cloud environments, leveraging AI-assisted technologies, automation, and threat intelligence to rapidly detect, investigate, contain, and remediate security incidents. Key Responsibilities

• Lead high-impact security incidents through the full incident response lifecycle.
• Investigate threats across endpoint, identity, email, network, and cloud environments.
• Utilize AI, automation, SIEM/XDR, and threat intelligence to improve detection and response.
• Perform threat hunting, log analysis, malware triage, and host forensics.
• Apply frameworks such as MITRE ATT&CK and Cyber Kill Chain during investigations.
• Collaborate with technical and business stakeholders during incident response.
• Mentor junior analysts and contribute to process and security tool improvements.
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• 6+ years of experience in Cybersecurity Operations or Incident Response.
• Strong experience with the Microsoft security ecosystem.
• Experience investigating incidents across Azure, AWS, identity, endpoint, and email environments.
• Experience leveraging AI and automation within security operations.
• Proficiency with Kusto Query Language (KQL).
• Strong analytical, communication, and incident leadership skills.
• Bachelor’s degree or equivalent experience.
• Relevant certifications such as CISSP, CISM, CISA, or GIAC preferred.