Senior Threat Hunter — AI-Driven Defense Engineer

Workday, Inc.; Reston (VA); On-site; USD 160,000 - 239,000; Full time

Job summary

Workday, Inc. is seeking an experienced security professional to join the Active Defense team in Reston, VA. You will engage with cross-functional teams to understand threat landscapes, conduct threat hunting, and perform offensive security exercises to identify vulnerabilities.

The role focuses on testing detection coverage, gap analysis, and enhancing alerting logic. You will contribute to adaptive, AI-enabled detection and response capabilities while collaborating with data science and

Qualifications

• 8+ years in incident response, intelligence analysis, vulnerability assessment, security engineering or operations.
• Experience researching cybersecurity threats and creating security solutions.
• Experience using AI-based discovery tools to mimic adversary capabilities.
• Proficiency in a general-purpose language such as Python, Java, Kotlin, Scala, or JavaScript.

Responsibilities

• Test detection coverage and perform gap analysis.
• Develop and refine alerting logic for security events.
• Help build adaptive and AI-assisted detection and response capabilities.

Skills

8+ years in incident response

Threat intelligence analysis

Vulnerability assessment

Security operations

Tools

Splunk

Spark

Python

AI tools

Job description

Workday, Inc. is seeking an experienced security professional to join the Active Defense team in Reston, VA. You will engage with cross-functional teams to understand threat landscapes, conduct threat hunting, and perform offensive security exercises to identify vulnerabilities.

The role focuses on testing detection coverage, gap analysis, and enhancing alerting logic. You will contribute to adaptive, AI-enabled detection and response capabilities while collaborating with data science and