Senior Cyber Threat Hunter III — TS/SCI Clearance, Lead

invictusic; Alexandria (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

invictusic in Alexandria, VA seeks a Senior Cybersecurity Threat Hunter III to lead complex, hypothesis-driven hunts and drive detection improvements across enterprise data sources.

The role requires TS/SCI with CI polygraph, DoD 8570 IAT II/IAM II, and hands-on experience in threat hunting, MITRE ATT&CK, and threat intel integration. You will mentor junior analysts and translate findings into defensive actions.

Qualifications

• Bachelor's degree required in a technical discipline; 4 years may substitute for degree
• Six+ years of relevant security experience beyond education
• Hands-on threat hunting and advanced cyber analysis experience
• Strong knowledge of MITRE ATT&CK, TTPs, threat intel applications, and telemetry

Responsibilities

• Lead complex, hypothesis-driven threat hunts across multiple data sources and enclaves
• Analyze security telemetry to identify indicators of compromise and advanced adversary activity
• Correlate data from network, endpoint, identity, SIEM, threat intel, and vulnerabilities
• Document hunt activity, findings, and actions; support incident response
• Develop hunt campaigns based on intelligence, risk, and lessons learned
• Provide guidance to junior analysts and mentor on hunt methodology and evidence validation
• Translate hunt findings into actionable detection and engineering requirements
• Develop reusable hunt playbooks, queries, and training materials
• Mentor staff and support exercises and threat-analysis proficiency

Skills

Threat hunting

Threat analysis

Mentoring analysts

Education

Bachelor's degree in technical discipline

Job description

invictusic in Alexandria, VA seeks a Senior Cybersecurity Threat Hunter III to lead complex, hypothesis-driven hunts and drive detection improvements across enterprise data sources.

The role requires TS/SCI with CI polygraph, DoD 8570 IAT II/IAM II, and hands-on experience in threat hunting, MITRE ATT&CK, and threat intel integration. You will mentor junior analysts and translate findings into defensive actions.