Cyber Threat Hunter: Defend Systems & Hunt Threats

CACI International Inc.; St. Louis (MO); On-site; USD 75,000 - 158,000; Full time

Job summary

CACI International Inc. seeks a Cyber Threat Hunter to join NGA operations, proactively hunting for indicators of compromise and analyzing Windows, Linux, and network data. You’ll document findings and drive improvements to the agency's security posture through cross‑team collaboration.

Qualified candidates hold TS/SCI with poly (or obtain within 6 months), are U.S. citizens, and have 10+ years of relevant experience or a higher degree with certs. Local travel up to 10% may be required.

Qualifications

• U.S. citizen with current TS/SCI and polygraph or ability to obtain within 6 months.
• Minimum 10 years of relevant cybersecurity experience, or 6+ years with a degree, or 4+ years with a master's.
• Ability to work with cross‑functional teams to improve security posture.

Responsibilities

• Proactively search for indicators of compromise and anomalous behavior.
• Conduct host, network, and process analysis to identify intrusions.
• Document actions, findings, and recommendations in tickets and reports.
• Collaborate with intelligence, countermeasure, and operations teams.

Skills

U.S. citizen

TS/SCI with poly

Indicator of compromise detection

Education

Bachelor's degree (preferred)

Master's degree (alternative)

Tools

IAT Level III Certification

CSSP Analyst Certification

Job description

CACI International Inc. seeks a Cyber Threat Hunter to join NGA operations, proactively hunting for indicators of compromise and analyzing Windows, Linux, and network data. You’ll document findings and drive improvements to the agency's security posture through cross‑team collaboration.

Qualified candidates hold TS/SCI with poly (or obtain within 6 months), are U.S. citizens, and have 10+ years of relevant experience or a higher degree with certs. Local travel up to 10% may be required.