Location: Onsite / Remote (as required for mission)
Clearance: Active TS/SCI with DHS EOD eligibility
Company: Argo Cyber Systems, LLC - Service-Disabled Veteran-Owned Small Business (SDVOSB)
Argo Cyber Systems supports the Department of Homeland Security (DHS) Hunt and Incident Response Team (HIRT) in protecting the Nation's cyber and communications infrastructure. Our mission-driven analysts provide rapid onsite and remote response, advanced forensics, and proactive threat-hunting capabilities across federal civilian networks and high-value assets.
As part of the HIRT mission, Argo personnel deliver advanced technical assistance, incident containment, and forensic expertise to mitigate intrusions, restore operations, and strengthen national cyber resilience.
Argo Cyber Systems is seeking an experienced Host-Based Systems Analyst III (HBA03) to support DHS HIRT's national incident response and digital forensics operations. The successful candidate will lead and execute host-level forensic analysis, malware triage, and investigative reporting in response to advanced cyber threats targeting critical government systems.
This role combines hands-on technical expertise with mission-critical communication and coordination responsibilities - directly supporting DHS leadership and federal stakeholders during high-impact incidents.
Lead and coordinate forensic investigations in support of incident response engagements and post-compromise assessments.
Plan, direct, and execute the collection, examination, and analysis of host-based evidence across multiple operating systems and environments.
Acquire, preserve, and analyze digital artifacts (malware, volatile memory, registry data, user activity, logs, and executables) to support attribution and root-cause analysis.
Perform forensic triage to determine incident scope, urgency, and potential impact on enterprise operations.
Correlate host-level findings with network telemetry to reconstruct intrusion narratives and identify persistence or lateral movement.
Evaluate and dissect malicious code and executable behavior to identify tactics, techniques, and procedures (TTPs).
Maintain strict chain of custody and documentation standards to ensure evidence integrity.
Distill technical analysis into clear, actionable reports and executive summaries suitable for senior leadership and interagency partners.
Serve as a technical liaison to government stakeholders, explaining forensic methodologies, tools, and findings in both technical and operational terms.
Support the development of Computer Network Defense (CND) guidance, playbooks, and after-action reports based on investigative outcomes.
U.S. Citizenship (required)
Active TS/SCI clearance (required)
Ability to obtain DHS Entry on Duty (EOD) Suitability
5+ years of hands-on experience conducting host-based or digital forensic investigations
Expertise in forensically sound data acquisition, duplication, and preservation
Proficiency in analyzing, categorizing, and reporting cyber attacks and system compromises
Strong knowledge of evidence handling procedures, documentation, and chain-of-custody standards
Familiarity with attack lifecycle phases and common adversary techniques
Comprehensive understanding of system and application security threats, vulnerabilities, and mitigation strategies
Experience performing host triage, live response, and volatile memory analysis
Proficiency with Windows, Linux/Unix, and related file systems
Demonstrated ability to collaborate across distributed teams in time-sensitive operational environments
Proficiency with two or more of the following forensic and analysis tools:
EnCase, FTK, X-Ways, SIFT, Volatility, Sleuth Kit/Autopsy
Wireshark, Splunk, Snort, or EDR tools (CrowdStrike, Carbon Black, SentinelOne)
Experience conducting malware reverse-engineering and all-source research
Understanding of threat actor TTPs and advanced intrusion methodologies
Strong communication skills for technical briefings and interagency coordination
Bachelor's Degree in Computer Science, Cybersecurity, Computer Engineering, or a related field
or
High School Diploma with 7-9 years of host or digital forensics experience
GCFA, GCFE, GCIH, EnCE, CCE, CFCE, CISSP, or equivalent
Argo Cyber Systems empowers federal partners to outpace and outmaneuver adversaries through precision forensics, agile response, and mission-first cybersecurity operations. As part of the DHS HIRT mission, you will be on the front lines of national cyber defense-supporting the investigation, containment, and recovery of the nation's most critical systems.
Argo Cyber Systems is a Service Disabled Veteran Owned Small Business (SDVOSB). Located in Historic Downtown Pensacola, Argo Cyber Systems is a pure-play cyber security firm. We are cyber security and intelligence experts offering dedicated threat and security monitoring of critical infrastructure assets, businesses, and other environments.
Cyber Services
Managed Detection and Response (MDR) and Cyber Threat Monitoring
Argo Cyber Systems provides managed cyber monitoring services through a dedicated SIEM and Cyber Threat Monitoring platform with an advanced threat correlation engine at affordable prices.
Continuous Asset Discovery
By utilizing technology which can automatically discover new devices on your network, we always know what’s connected in your digital environment.
Continuous Real-time Threat Monitoring, Correlation & Alerting
It does not matter if you are in AWS, Azure, Google Cloud Platform, or on premise, we are able to gain visibility of devices, systems, applications, and user activities in your environment. We support Office 365, G Suite, network devices, operating systems, and over 400 devices and applications that are important to your businesses' day-to-day activities.
Global Threat Analysis and Supply Chain Cyber Risk Management
Due Diligence X© (DDX) was created with this in mind – to provide a dynamic platform for testing devices for assurance that the equipment will be free from a variety of security threats.
Assessment Support Services and Penetration Testing
ARGO Cyber Systems Principals have gained decades of experience conducting various types of assessments including Cyber Risk Assessments, Threat Assessments, Risk Management and Threat intelligence from our work with the DOD and Federal.
Breach Clean up, Mitigation and Remediation
Argo Cyber is capable of mitigation and remediation of your assets and environment in the event you are breached.
