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Information Systems Security Engineer (ISSE) - TS/SCI with Polygraph

Company

General Dynamics Information Technology

Location

Herndon, VA

Posted

July 13, 2026

Position Overview

**Req ID:** RQ223703
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** None
**Public Trust/Other Required:** None
**Job Family:** Cyber and IT Risk Management
**Skills:**
Cloud Security,Greenlight Oracle Access Violation Management,Mitigation,Xacta (Platform)
**Experience:**
10 + years of related experience
**US Citizenship Required:**
Yes

**Job Description:**

A career as an ISSE at GDIT means owning every opportunity to help support and advance our clients’ missions. At GDIT, cyber security is embedded into every aspect of what we do and we’re constantly evolving our cyber solutions to overcome our clients’ biggest challenges.

At GDIT, people are our differentiator. As an ISSE, you will help ensure today is safe and tomorrow is smarter. We are seeking an experienced ISSE capable of working within Xacta, Greenlight, Rapid7 and assigned onsite Information System Security Managers to maintain and ren...

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