Incident Responder

cFocus Software Incorporated•Washington, DC

3d•Hybrid

About The Position

The Incident Responder supports the Administrative Office of the U.S. Courts (AOUSC) by delivering advanced cybersecurity incident response and threat hunting services across both cloud and on-premises environments. This role focuses on identifying, analyzing, and mitigating sophisticated cyber threats while strengthening detection capabilities and improving overall security posture.

Requirements

Minimum of 5 years of experience in incident response across cloud and non-cloud environments, including: Microsoft Azure Microsoft O365 Microsoft Active Directory Zscaler
Minimum of 5 years of experience using Splunk Enterprise Security for incident response
Minimum of 5 years of experience collecting and analyzing data using: EDR tools (CrowdStrike, Qualys) Custom scripts (e.g., Sysmon, Auditd)
Experience with the following tools and technologies: Microsoft Sentinel (threat hunting in Azure) Tenable Nessus and SYN/ACK (vulnerability management) NetScout (network traffic analysis) SPUR.us (IP/address enrichment) Mandiant threat intelligence feeds
Splunk Core Power User certification (required)
Must possess one of the following certifications: GIAC Certified Intrusion Analyst (GCIA) GIAC Certified Incident Handler (GCIH) GIAC Continuous Monitoring (GMON) GIAC Defending Advanced Threats (GDAT)
Ability to obtain a Low Risk Public Trust Suitability Determination

Responsibilities

Provide incident response support for declared security incidents and proactively hunt for threats not detected through automated systems
Conduct counterintelligence activities, develop Threat Actor (TA) dossiers, and identify adversary tactics, techniques, and procedures (TTPs)
Analyze SIEM alerts and security events to determine risk, impact, and appropriate response actions
Collect and analyze forensic data from compromised systems using EDR tools and custom scripts
Track and document incidents from initial detection through final resolution
Respond to government technical requests via ITSM platforms (e.g., HEAT, ServiceNow)
Perform malware triage and root cause analysis
Review open-source intelligence for emerging threats and adversary activity
Collaborate with court IT personnel to troubleshoot and resolve endpoint detection issues
Participate in after-action reviews and provide recommendations for improving security posture
Attend Agile Scrum standups and report on assigned Jira tasks
Review SOC incident reports and recommend enhancements, escalations, or re-evaluations