Senior Threat Detection Engineer

CVS Health; Concord (NH); On-site; USD 107,000 - 284,000; Full time

Job summary

CVS Health is seeking a Staff Threat Detection Engineer to advance our security posture across detection engineering, threat hunting, and offensive security. You will develop detections, support investigations, and drive improvements with security telemetry, threat intelligence, and adversary emulation.

Collaborating with Security Operations and Incident Response, you will refine blue/green teamwork, build automation, and contribute to risk-based security strategies that protect patients,

Qualifications

• 7+ years of experience in threat detection, hunting, penetration testing, and/or offensive security.
• 5+ years of experience with Microsoft Security tools (Defender for Endpoint, Sentinel), CrowdStrike, and Splunk.
• 3+ years of scripting for automation and detection logic (KQL, SPL, Python, PowerShell, or Bash).

Responsibilities

• Develop, deploy, and optimize detection rules across SIEM platforms such as Microsoft Sentinel and Splunk.
• Conduct threat hunting activities using Defender, CrowdStrike, and other SOC tools to identify and respond to advanced threats.
• Leverage KQL and SPL to create custom detections and automate responses.
• Continuously refine detection capabilities based on emerging threats and intelligence.
• Assist with internal and external penetration tests to identify vulnerabilities.
• Design and execute adversary emulation scenarios to assess detection and response effectiveness.
• Utilize penetration testing tools and custom scripts to simulate real-world attack scenarios.
• Produce detailed reports with findings and actionable recommendations.
• Work closely with blue teams to conduct purple team exercises, bridging offensive and defensive security efforts.
• Provide actionable insights to improve monitoring, alerting, and incident response based on adversary tactics.
• Facilitate knowledge-sharing sessions to upskill internal teams on TTPs.

Skills

Threat detection

Threat hunting

Penetration testing

Adversary emulation

Security analytics

Automation

Education

Bachelor's degree or equivalent experience

Tools

Microsoft Defender for Endpoint

Microsoft Sentinel

CrowdStrike

Splunk

KQL

SPL

Python

PowerShell

Bash

Job description

CVS Health is seeking a Staff Threat Detection Engineer to advance our security posture across detection engineering, threat hunting, and offensive security. You will develop detections, support investigations, and drive improvements with security telemetry, threat intelligence, and adversary emulation.

Collaborating with Security Operations and Incident Response, you will refine blue/green teamwork, build automation, and contribute to risk-based security strategies that protect patients,