SOC Tier 3 Analyst

Job Qualifications

Security Incident Response, Security Information and Event Management (SIEM), Security Operations

Type of Requisition:
Regular

Clearance Level Must Currently Possess:
None

Clearance Level Must Be Able To Obtain:
Secret

Public Trust/Other

Required:

None

Job Family:
Cyber and IT Risk Management

Skills:

Security Incident Response, Security Information and Event Management (SIEM), Security Operations

Certifications:

None

Experience:

5 + years of related experience

US Citizenship

Required:

Yes

We are seeking a highly-capable SOC Tier 3 Analyst to lead advanced threat detection and response operations in our Security Operations Center (SOC). This role involves acting as a key subject matter expert to identify, investigate, and mitigate sophisticated cyber threats and maintain enterprise security resilience.

The SOC Tier 3 Analyst will work closely with internal teams, clients, and external threat intelligence partners to proactively secure systems, networks, and ensure data integrity while serving as an escalation point for Tier 1 and Tier 2 analysts.

• Serve as the senior analyst and escalation point for Tier 1 & Tier 2 in security incident handling.
• Perform advanced threat hunting and forensic investigations (network, endpoint, cloud).
• Lead incident response activities, including coordination, containment, eradication, and long-term remediation.
• Develop and refine SIEM detection rules and automation playbooks to improve SOC efficacy.
• Analyze and interpret logs, packet captures, and alerts to identify anomalous activities.
• Provide actionable threat intelligence to enhance defenses and support strategic decisions.
• Drive process improvement, mentoring, and training initiatives for the SOC team.
• Ensure compliance with client requirements, regulations, and relevant cybersecurity frameworks (e.g., NIST, CIS).
• Interface with stakeholders to provide threat landscape briefings, status reports, and post-incident reviews.
• Participate in red/blue teaming and tabletop exercises to validate SOC preparedness.

• Education:
  
  Technical Training, Certification(s), or Degree required; bachelor’s degree in Cybersecurity, Information Technology, or a related field (or equivalent experience) strongly preferred
• Experience:
  
  At least 5 years of combined experience in cybersecurity incident handling, SOC operations, and threat intelligence analysis.
• US Citizenship required.
• Must possess or be able to obtain and maintain a Secret clearance
• Relevant industry certifications [e.g., CISSP, Security+, GIAC-GCIH, CEH, GCIA, GCFA, OSCP].
• Expertise with security technologies, including SIEM systems (e.g., Splunk, QRadar, Arc Sight), network monitoring tools, and endpoint detection solutions.
• Proficiency in scripting and automation using Python, Power Shell, or other languages.
• Hands‑on experience performing forensic analysis on Windows, Linux, and cloud environments.
• Strong knowledge of security protocols, intrusion vectors, malware behavior, and remediation techniques.
• Exceptional problem‑solving and communication skills with the ability to handle high‑pressure situations.

• Degree and/or advanced certifications in cybersecurity.
• Experience integrating threat intelligence in SIEM and SOC processes.
• Knowledge of MITRE ATT&CK framework and its application in SOC workflows.
• Familiarity with cloud security (e.g., AWS, Azure, Google Cloud).

Hybrid at GDIT's Integrated Technology Center in Bossier City, Louisiana

• 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, and competitive pay and paid time off
• Flexibility:
  Full-flex work week to own your priorities at work and at home
• Community:
  Award‑winning culture of innovation and a military‑friendly workplace

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.

The likely salary range for this…