cFocus Software Incorporated · 22 hours ago
HHS - Threat Hunter
United States
Full-time
Remote
Senior Level
5+ years expcFocus Software Incorporated is seeking a Threat Hunter to support the Department of Health and Human Services (HHS). The role involves conducting proactive threat hunting, analyzing telemetry for anomalous behaviors, and collaborating with SOC Analysts to identify and respond to threats.
ChatbotGovernmentInformation TechnologySoftware
No H1B
U.S. Citizen Only
Responsibilities
Conduct proactive, hypothesis-driven threat hunting to identify advanced persistent threats, insider threats, and stealthy adversary activity
Analyze system, endpoint, network, cloud, and application telemetry to identify anomalous behaviors
Develop and refine threat hunting hypotheses based on threat intelligence, MITRE ATT&CK techniques, and observed trends
Perform in-depth log analysis using SIEM and security analytics platforms
Identify, analyze, and validate Indicators of Compromise (IOCs) and adversary TTPs
Collaborate with SOC Analysts and Incident Responders to escalate confirmed threats
Develop and tune detection rules, correlation searches, and behavioral analytics
Produce weekly threat hunting reports documenting methodologies, findings, and recommendations
Support malware analysis and reverse engineering activities when required
Integrate threat intelligence feeds from HHS CSIRC, CISA, and other trusted sources
Assist in containment, eradication, and remediation activities during confirmed incidents
Support incident response playbooks, SOP updates, and continuous improvement initiatives
Participate in cyber exercises, tabletop exercises, and red/purple team engagements
Maintain documentation for threat hunting workflows, tools, and techniques
Qualification
Required
Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or related field
Minimum 5–8 years of experience in threat hunting, incident response, or SOC operations
Hands-on experience with enterprise SIEM, EDR, and network security tools
Strong understanding of MITRE ATT&CK, kill chain analysis, and adversary behaviors
Experience analyzing large-scale security telemetry and logs
Knowledge of NIST SP 800-61, NIST SP 800-53, and federal incident response requirements
Strong analytical, scripting, and technical writing skills
Ability to obtain a Public Trust clearance
Preferred
Active GCED, GCTI, GCIA, or CISSP
Company
cFocus Software Incorporated
cFocus Software automates FedRAMP compliance and develops government chatbots for the Azure Government Cloud, Office 365, and SharePoint.
11-50 employees
Funding
Current Stage
Early StageLeadership Team
Manisha Griesinger, MPH, MSc
Program Manager | U.S. EPA Office of the Chief Financial Officer
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