Cyber Incident Manager III

Argo Cyber Systems•Arlington, VA

19d•Onsite

About The Position

Argo Cyber Systems provides mission-critical cybersecurity support to U.S. Government agencies and critical infrastructure owners nationwide. Our teams deliver rapid incident response, advanced forensics, and coordinated recovery operations to protect vital systems from evolving cyber threats. We combine technical precision with operational agility-helping federal partners identify, contain, and recover from complex cyber incidents with speed and confidence. Argo Cyber Systems is seeking a Cyber Incident Manager to lead onsite incident response operations for a U.S. Government customer. The selected candidate will coordinate and execute incident handling, forensic triage, and threat mitigation activities for large-scale, high-impact cyber events. This role is part of a 24×7 incident response capability that provides immediate investigation, containment, and recovery support to federal civilian agencies and critical infrastructure entities.

Requirements

U.S. Citizenship
Active TS/SCI clearance (must be able to obtain DHS EOD Suitability)
5+ years of directly relevant experience in cyber incident management, SOC operations, or DFIR roles
Strong understanding of incident response methodologies, frameworks, and reporting requirements under NIST SP 800-61 and FISMA
Demonstrated ability to analyze, prioritize, and document incidents within enterprise or federal environments
Solid grasp of attack lifecycle stages and common adversary tactics (reconnaissance, exploitation, privilege escalation, persistence, exfiltration, etc.)
Knowledge of system administration, OS hardening, and defensive security controls across Windows, Linux, and hybrid environments
Familiarity with CND policies, procedures, and regulatory frameworks
Understanding of threat actor typologies (e.g., opportunistic, organized criminal, nation-state) and their operational tradecraft
Excellent written and verbal communication skills for technical and executive reporting

Nice To Haves

Proficiency with SIEM, EDR, and network forensic tools (e.g., Splunk, SentinelOne, Elastic, Wireshark)
Experience conducting or managing shift-based or 24×7 cyber operations
Advanced knowledge of malware analysis, log correlation, and network defense methodologies
Familiarity with incident ticketing and tracking systems (e.g., ServiceNow, Jira, Remedy)
Strong analytical mindset and ability to lead during high-pressure operational events

Responsibilities

Direct and coordinate incident response activities across diverse environments-ensuring rapid containment, accurate impact assessment, and effective recovery.
Correlate and analyze incident data to identify patterns, trends, and emerging threats.
Perform triage and scoping of cyber incidents to determine severity, urgency, and operational impact.
Apply Defense-in-Depth principles and best practices to strengthen enterprise resilience.
Investigate indicators of compromise (IOCs), malware behavior, and intrusion vectors using host and network data.
Research and document resolution steps, mitigations, and workarounds for ongoing or recurring incidents.
Develop and maintain incident response procedures and playbooks aligned with NIST SP 800-61 Rev.2 and FISMA reporting requirements.
Monitor external intelligence sources and threat feeds to maintain situational awareness of current threat conditions.
Track, document, and brief incident lifecycle progress from detection through closure, ensuring accurate reporting and escalation to senior stakeholders.
Collaborate with cross-functional teams-including threat analysts, forensics personnel, SOC operators, and federal incident coordinators-to provide unified, mission-focused response.