Cyber Action Officer with Security Clearance

Job Title: Cyber Action Officer
Location: Arlington, VA (Onsite)
Clearance: Active TS/SCI Clearance Required
Company: Quantum Science Solutions (QSS)
Compensation: Open Rate
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Position Overview
Quantum Science Solutions (QSS) supports mission-critical federal cybersecurity programs providing onsite incident response to government agencies and critical asset owners experiencing cyber-attacks.

We are seeking a Cyber Action Officer to support cyber incident management, operational coordination, and response activities throughout the incident response lifecycle. This role involves tracking cyber incidents, analyzing threats, coordinating with stakeholders, and providing timely reporting and recommendations to support federal cybersecurity operations.
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Key Responsibilities

• Support cyber incident management throughout the incident response lifecycle, including coordination, tracking, and reporting.
• Maintain accurate incident records, cases, tickets, and knowledge documentation within official systems of record.
• Coordinate with internal and external stakeholders, government partners, and incident response teams.
• Collect, validate, and analyze incident information to determine appropriate response actions.
• Track multiple active engagements, operational activities, and incident response requirements.
• Prepare incident summaries, operational reports, and briefings for technical teams and senior leadership.
• Analyze cyber threats, vulnerabilities, and adversary tactics using the MITRE ATT&CK framework.
• Support network security monitoring, threat analysis, and cybersecurity defense operations.
• Apply knowledge of system administration, operating system hardening, cyber hygiene, and Computer Network Defense (CND) practices.

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Mandatory Skills

• U.S. Citizenship.
• Active TS/SCI clearance.
• Ability to obtain Department of Homeland Security (DHS) Suitability.
• Five (5) or more years of directly relevant experience in cyber incident management or cybersecurity operations.
• Knowledge of incident response, threat hunting, and incident handling methodologies.
• Experience tracking multiple cyber incidents, personnel or equipment deployments, and coordinating with stakeholders.
• Knowledge of the National Cyber Incident Scoring System (NCISS) for incident prioritization.
• Understanding of cyberattack stages, including reconnaissance, enumeration, initial access, privilege escalation, persistence, and network exploitation.
• Ability to recognize threat actor campaigns, tactics, techniques, and procedures (TTPs).
• Knowledge of network traffic analysis, system and network administration, and Computer Network Defense (CND) policies and procedures.
• Understanding of operational threat environments, including non-nation-state and nation-state-sponsored threats.
• Knowledge of system and application vulnerabilities, including buffer overflows, cross-site scripting, injection attacks, race conditions, replay attacks, and malicious code.
• Excellent written and verbal communication skills.

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Preferred Skills

• Experience analyzing different operational threat environments and adversary capabilities.
• Experience identifying and assessing system and application security vulnerabilities, exploitation methods, and associated attacks.

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Education
Bachelor's degree in Incident Management, Operations Management, Cybersecurity, or a related technical discipline.
OR
High School Diploma with seven (7) to nine (9) years of directly relevant incident management or cybersecurity experience.
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Desired Certifications

• GIAC Certified Incident Handler (GCIH)

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Why QSS?
At QSS, you'll support mission-critical federal cybersecurity operations, coordinating cyber incident response activities, analyzing emerging threats, and helping protect government systems and critical infrastructure.
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Benefits Include:

• Competitive compensation with annual performance bonuses
• Premium Medical, Dental & Vision coverage
• Generous PTO plus Federal Holidays
• 401(k) with company match