Senior Cybersecurity Defense Analyst III

Invictus International Consulting, LLC; Alexandria (VA); On-site; USD 160,000 - 184,000; Full time

Job summary

Invictus International Consulting, LLC in Alexandria, VA seeks a Senior Cyber Defense Analyst III to lead and perform complex security investigations across networks, endpoints, and identity. You will triage incidents, coordinate containment, and mentor junior analysts.

The role requires DoD TS/SCI with CI poly, a technical degree, and hands-on experience in enterprise environments; you will develop playbooks and communicate findings to stakeholders.

Qualifications

• Bachelor's degree or equivalent; 4+ years substitution allowed
• Minimum six years of relevant experience in cybersecurity
• Hands-on experience in enterprise investigations
• Strong knowledge of MITRE ATT&CK framework
• Experience developing SOC procedures and runbooks
• Experience as escalation point or mentor
• Active TS/SCI clearance with CI polygraph eligibility

Responsibilities

• Lead advanced investigations across networks, endpoints, and identity.
• Coordinate triage, containment, and escalation of incidents.
• Develop, maintain, and improve analyst runbooks and playbooks.
• Mentor junior analysts and provide guidance during investigations.
• Communicate findings, risk, and actions to stakeholders.

Skills

Cybersecurity investigations

Incident response

Mentoring juniors

Threat hunting

Effective communication

Education

Bachelor's degree in a technical discipline

DoD 8570 IAT II or IAM II certification

Tools

MITRE ATTACK framework

SOC procedures/runbooks

Job description

Title: Senior Cyber Defense Analyst III

Location: Alexandria, VA

Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph

Job Details

• 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

Requirements

• 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

Salary: $160000 per year