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Security Incident Analyst (SIA) - TS/SCI with Polygraph

General Dynamics Information Technology
Washington, United Statesfull_timeVerifiedPosted 7 Jul 2025
💰 $172,500/yr($139,984/yr$172,500/yr)

About the role

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Cyber Security

Job Qualifications:

Skills:

Case Management, Cybersecurity, Incident Analysis, Security Incident Response

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

Own your career as a Security Incident Analyst (SIA) at GDIT. Here, you’ll have the opportunity to build strong lines of cyber defense using cutting-edge technologies. Your work in cyber security at GDIT will have an impact on securing our clients’ missions and ensuring we anticipate the threats of tomorrow. 
   
At GDIT, people are our differentiator. The Security Incident Analyst (SIA) is responsible for the mitigation of security incidents on DIA information systems. The SIA investigates incidents involving information technology (IT) assets and DIA personnel to the DIA Computer Network Defense Center (DCNDC) and Information Systems Security Managers (ISSM) for situational awareness and tracking purposes. SIA then manages, coordinates, and reports mitigation actions in order to sanitize agency assets prior to resolving cases. 

   

HOW A SECURITY INCIDENT ANALYST WILL MAKE AN IMPACT 

  • Manage network computer and system security incidents relating to data spills, misclassifications, unauthorized software downloads, system misconfigurations, cross-domain violations, etc. 

  • Perform incident investigation and analysis to research and gather information for mitigation coordination. 

  • Utilize cyber and case management tools. 

  • Prepare case evidence and incident reports. 

  • Provide training and guidance to less-experienced technical staff members, and customer education to network users. 

  • Work on special projects as assigned. 

 

WHAT YOU’LL NEED TO SUCCEED: 

  • Bachelor's Degree and 8+ years of relevant experience, equivalent combinations of education, certifications, and experience will be considered. 

  • DoD Approved Baseline 8570 IAT level III (CASP, CISSP, CISA, etc.) certification is required prior to start date.

  • DoD Approved Baseline 8570 CSSP Auditor (CEH, CySA, CISA, etc.) certification is required prior to start date.

  • Security Clearance Level: TS/SCI clearance and ability to obtain and maintain a Polygraph. 

  • Preferred Skills: Splunk, Proofpoint, Fidelis, Solera, Windows, and Linux Operating Systems. 

 
Location: On Customer Site 

  • Bolling AFB, Washington D.C. 

  • Reston, VA 

  • Colorado Springs, CO 

  • Norfolk, VA 

  • Riverdale, MD 

  • Charlottesville, VA

  • Pearl Harbor, HI 

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Company

General Dynamics Information Technology

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