TS/SCI Threat Hunter with Poly – Proactive Cyber Defense

Probity Inc. is seeking a Cyber Threat Hunter in McLean, VA to proactively detect and mitigate threats within a large enterprise. The role emphasizes hypothesis-based threat hunting (HMM-4) using the MITRE ATT&CK framework, with collaboration across endpoint, network, threat intel, cloud, and data science teams. Requirements include 3+ years in cyber security roles, strong analytical and communication skills, and relevant certifications such as GCIH, CTIA, or CThH.