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Security Incident Analyst - TS/SCI w. Polygraph
Security Incident Analyst - TS/SCI w. Polygraph-February 2024
Reston
Feb 10, 2026
About Security Incident Analyst - TS/SCI w. Polygraph

  Req ID: RQ165583

  Type of Requisition: Regular

  Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph

  Job Family: Cyber Security

  Skills:

  Cyber Defense,Cybersecurity,Systems Security

  Certifications:

  Security+, CE - Comptia Security Experience:

  6 + years of related experience

  US Citizenship Required:

  Yes

  Job Description:

  Own your career as a Security Incident Analyst 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 6 years of relevant experience, equivalent combinations of education, certifications, and experience will be considered.

  Required Certifications: 8570 IAT II prior to start date; must obtain 8570 IAT III and CSSP Auditor certifications within first 120 days of employment. 

  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 

  GDIT IS YOUR PLACE:

  401K with company match

  Comprehensive health and wellness packages

  Internal mobility team dedicated to helping you own your career

  Professional growth opportunities including paid education and certifications

  Cutting-edge technology you can learn from

  Rest and recharge with paid vacation and holidays

  We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

  We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.

  GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

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