Senior Cybersecurity Defense Analyst III

• Perform and lead advanced investigation of complex security events and incidents across network, endpoint, identity, firewall, vulnerability, and other available telemetry
• Perform cyber defense incident triage, including validation, enrichment, determination of scope, urgency, potential impact, and appropriate escalation
• Support incident handling across detection, investigation, analysis, containment/remediation coordination, recovery, and reporting in accordance with established authorities and procedures
• Correlate incident and security data across multiple sources to identify affected systems, users, vulnerabilities, adversary activity, and related events
• Collect and preserve relevant intrusion artifacts and investigative evidence in accordance with established procedures
• Communicate incident status, findings, risk, and recommended actions to SOC personnel, technical teams, management, and government stakeholders as appropriate
• Serve as a senior technical escalation point to less expereinced team members and provide hands-on guidance during complex investigations
• Lead portions of incident response activities, including scoping, evidence analysis, containment recommendations, technical coordination, and post-incident review
• Conduct proactive analysis and threat hunting when warranted to identify related or previously undetected activity
• Develop, maintain, and improve analyst runbooks, investigative procedures, escalation criteria, incident playbooks, and shift-turnover practices
• Partner with threat analysts and engineering personnel to identify telemetry gaps, detection gaps, false positives, and opportunities for improved enrichment or automation
• Mentor junior analysts, support analyst qualification and exercises, and perform quality review of investigations and case documentation
• Translate incident lessons learned into improved detections, procedures, training, and defensive recommendations

• Bachelor's degree from an accredited institute in a technical discipline applicable to the position; an additional 4 years of may be substituted in lieu of a degree
• Minimum six (6) years of relevant experience in addition to education level
• Significant hands-on experience conducting cybersecurity investigations and incident response in enterprise environments.
• Strong knowledge of network and host-based investigation, common adversary tactics, techniques, and procedures, and the MITRE ATT&CK framework
• Experience developing or improving SOC procedures, incident playbooks, runbooks, or analyst training materials
• Experience serving as an escalation point, technical lead, or mentor for cyber defense analysts
• Must possess current DoD 8570 IAT II or IAM II certification
• Experience working in a DoD or IC environment
• Current active TS/SCI clearance, with the ability to obtain and maintain a CI polygraph

Equal Opportunity Employer/Veteran/Disabled