Senior Cyber Defense Analyst — Lead Incident Response

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

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.