Senior Threat Detection & Purple Team Engineer

Koitecc Solutions; Little Rock (AR); On-site; USD 107,000 - 284,000; Full time

Benefits offered by this job

Comprehensive benefits

Bonus eligibility

Equity program

Job summary

CVS Health is seeking a Staff Threat Detection Engineer to advance threat hunting, detection engineering, and offensive security strategies. You will craft detections across SIEMs, run adversary emulation, and strengthen incident response in collaboration with Security Operations and IR teams.

The role emphasizes building automation, leveraging MITRE ATT&CK-based techniques, and delivering actionable threat intelligence.

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 experience with KQL, SPL, Python, PowerShell, or Bash scripting for automation and detection logic.

Responsibilities

• Develop, deploy, and optimize detection rules across SIEM platforms such as Microsoft Sentinel and Splunk.
• Conduct threat hunting activities using Microsoft 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 (Tactics, Techniques, and Procedures).
• Integrate threat intelligence into detection strategies to prioritize threats and adapt detection rules.
• Analyze threat intelligence feeds and translate them into actionable detection and response measures.
• Collaborate with the incident response team during investigations by providing adversary tactics insights.
• Assist in developing threat-hunting use cases and refining detection capabilities.
• Contribute to the development of a comprehensive detection strategy aligned with risk management goals.
• Provide leadership with reports on security gaps, risks, and detection effectiveness.

Skills

Threat detection

Threat hunting

Penetration testing

Offensive security

Microsoft Defender

Defender for Endpoint

Sentinel

CrowdStrike

Splunk

KQL

SPL

Python

PowerShell

Bash

Education

Bachelor's degree or equivalent experience

Tools

Microsoft Defender

Sentinel

CrowdStrike

Splunk

Job description

CVS Health is seeking a Staff Threat Detection Engineer to advance threat hunting, detection engineering, and offensive security strategies. You will craft detections across SIEMs, run adversary emulation, and strengthen incident response in collaboration with Security Operations and IR teams.

The role emphasizes building automation, leveraging MITRE ATT&CK-based techniques, and delivering actionable threat intelligence.