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Agile Defense

Cybersecurity and IT services for government

Threat Hunt Lead

Security Operations & Incident ResponseConfirmed live in the last 24 hours
Full-timeReston, VA, USA

About the Job

Requirements

  • One of the following certifications: GCIA, GCIH, GFCA, or CEH.
  • At least five years of experience as a Tier 3 senior cyber threat hunt analyst performing threat analysis, technical analysis, and network asset traversal.
  • At least five years of hands-on experience, including experience within the last two years, with host- and network-based security monitoring using cybersecurity capabilities.
  • A strong cybersecurity background with experience in host- and network-based forensics related to identifying advanced cyber threat activities, intrusion detection, malware identification, and security content development, such as signatures, rules, and queries.
  • Experience interpreting scripts or programming languages to support cyber threat hunts or malware analysis, including VBScript, Python, PowerShell, JavaScript, HTML, XML, or other formats needed for analysis.
  • Experience conducting cyber threat hunt analysis and using cyber threat intelligence to identify and prioritize tactics, techniques, and procedures for hunting.
  • Deep knowledge of security information and event management and networked-device management tools such as Splunk and endpoint detection and response solutions.
  • Experience maintaining a comprehensive understanding of the cyber threat landscape, including identifying and analyzing cyber threat actors and activities to improve the cybersecurity posture of an organization's IT operating environment.
  • Strong written and oral communication skills.
  • Active Top Secret clearance with SCI eligibility and the ability to obtain and maintain a CBP Background Investigation and EOD.

Responsibilities

  • Lead threat hunting for the program by forming and testing hypotheses about activity that existing Security Operations Center detections may miss, investigating to confirm or rule them out, and turning findings into detections for future use.
  • Develop and tune detection logic based on confirmed findings, making it usable by other analysts.
  • Hand confirmed findings to incident response with actionable investigative work and preserve evidence and context for digital forensics.
  • Escalate findings when necessary and otherwise route them through standard reporting.
  • Ground hunt hypotheses in threats relevant to a federal law enforcement environment and translate threat intelligence into testable hunts.
  • Identify and communicate gaps in hunting coverage and explain why areas have not yet been hunted.
  • Work with the Cyber Threat Intelligence team to report significant findings to leadership and coordinate with the Penetration Testing team and asset owners to deconflict findings.
  • Lead the Cyber Threat Hunt team in proposing corrective actions and informing relevant parties about security issues, reportable offenses, or cybersecurity best practices.

Desired Qualifications

  • Additional certifications such as GFCA, GREM, GFNA, OSCP, or GPEN.
  • Experience leading or performing structured threat hunting using a framework such as MITRE ATT&CK to form and test hypotheses, rather than only reviewing incoming alerts.
  • Experience turning a hunt finding into a production detection and explaining the process.
  • Experience defending government or law enforcement data against targeted threats.
  • Ability to work from incomplete or ambiguous signals and explain how to decide whether a hypothesis is worth pursuing.
  • An active CBP Background Investigation, a fitness determination at another Department of Homeland Security component, or an active Department of Defense clearance.
  • Certifications such as GCFA, GNFA, or equivalent.

About the Company

Agile Defense

Cybersecurity and IT services for government

Agile Defense provides IT and cybersecurity services to the U.S. Federal Government, including digital transformation, IT modernization, and a Virtual Security Operations Center (VSOC) to defend against cyber threats. Its services support national security and civilian missions across federal agencies, delivered through various contract vehicles. The company expands its capabilities through acquisitions (IntelliBridge and XOR Security) and focuses on AI-enabled workforce transformation and enterprise IT to enhance government operations. Unlike many suppliers, Agile Defense emphasizes a government-focused portfolio with a multidimensional VSOC and AI-driven workforce upgrades, positioning itself to meet federal security and modernization needs. The goal is to help federal agencies protect data and systems, modernize IT infrastructure, and improve cyber resilience across national security and civilian missions.

Company size
1,001-5,000
Company stage
Acquired
Total funding
Not listed
Headquarters
Reston, VA
Founded
1998

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