Cyber Security Threat Hunter, Tier 3

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description

Advance your career while impacting our national security in cyber as a Tier 3 Cyber Security Threat Hunter at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government.

MEANINGFUL WORK AND PERSONAL IMPACT:

As a Tier 3 Cyber Security Threat Hunter, the work you’ll do at GDIT will be impactful to the mission of USCENTCOM. The Tier 3 Cyber Security Threat Hunter is a senior-level role responsible for proactively identifying, investigating, and mitigating advanced cyber threats within the organization’s network. The ideal candidate will leverage extensive experience in threat intelligence, incident response, and security monitoring to enhance our cyber defense posture. This role requires a deep understanding of the cyber threat landscape, as well as advanced analytical, critical thinking and technical skills.

Key Responsibilities:

• Threat Detection and Analysis: Utilize advanced tools, SIEM, SOAR, EDR and Cyber Threat Intelligence Platforms and methodologies to identify anomalies and potential threats within the organization’s systems and networks.

• Incident Response: Lead investigations of security incidents, providing in-depth analysis and timely resolution. Collaborate with other security teams and command directorates to remediate vulnerabilities and mitigate threats.

• Threat Intelligence: Assist in gathering and analyzing threat intelligence data from various sources to understand emerging threats and vulnerabilities. Implement IOCs into the threat intelligence platform and confer with other teams on mitigation and defense strategy. Share insights with relevant teams to enhance overall security posture.

• Hunting Activities: Develop and execute threat-hunting strategies and hypotheses to uncover hidden threats that evade conventional security measures.

• Tool Development: Assist in the development and implementation of automated tools and scripts to improve threat detection and response capabilities.

• Documentation and Reporting: Maintain thorough documentation of findings, investigations, and methodologies. Present findings to stakeholders and contribute to regular security reports.

• Collaboration: Work closely with incident response, security operations, and IT teams to improve threat detection and incident response capabilities.

• Training and Mentorship: Provide guidance and mentorship to junior threat hunters and security analysts, fostering a culture of continuous improvement.

WHAT YOU’LL NEED TO SUCCEED:

Bring your cyber expertise and drive for innovation to GDIT. The Cyber Threat Analyst Principal must have:

• Education: Bachelor’s degree in cyber security, Information Technology, or a related field

• Certification: Applicable DoD 8140 or DoD 8570 Certification

• Experience: 5+ years of related experience

• Technical skills:

  • Strong knowledge of attack vectors, malware analysis, and cyber threat intelligence frameworks including the MITRE ATT&CK framework to enhance threat detection, response capabilities, and alignment with organizational security strategies.

  • Proficiency in using SIEM (SPLUNK/ArcSight), SOAR, End Point Detection and Response, and other security tools for threat detection and analysis.

  • Familiarity with programming/scripting languages (Python, PowerShell, and Bash.) to develop tools and automate tasks.

  • Excellent analytical and problem-solving skills, with the ability to think critically under pressure. Some public speaking may be involved in presenting your findings.

  • Strong communication skills, both verbal and written, with the ability to present complex information clearly to non-technical stakeholders to include technical writing.

• Preferred Skills:

  • Experience with cloud security (AWS, Azure, GCP) and emerging technologies.

  • Knowledge of AI Development and AI Prompt Engineering/Prompt Injection. Knowledge of generative AI and agentic AI for use in automation and processes.

  • Knowledge of regulatory requirements and compliance frameworks (GDPR, NIST, ISO 27001).

  • Experience with threat hunting frameworks and methodologies (MITRE ATT&CK, Diamond Model, Cyber Kill Chain).

  • Familiarity with Docker and Containerization.

  • Familiarity with virtual environments configurations and usages.

  • Familiarity with the interpretation of Cyber Security event categorization through analysis and coordination of incoming data flow from security devices or other means, track anomalies or threat indicators, as required.

  • Familiarity with Microsoft Office tools. Microsoft and Linux operating systems, SharePoint.

• Security clearance level: TS/SCI

• US citizenship required

GDIT IS YOUR PLACE:

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities

• Support: An internal mobility team focused on helping you achieve your career goals

• Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off

• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore a career in cyber at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.

#ARMA

#CENTCOMCITS

Work Requirements

Years of Experience

5 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required