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# Software Engineer- TS/SCI with Polygraph

- **Company:** General Dynamics Information Technology
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Application Integration Architecture, Application Performance Management, Bootstrap (Software), Linux, Web Development, Electronic Data Interchange (EDI), Ext JS, Design of User Interfaces, Object-Oriented Software Development, Scrum Methodology, Ruby on Rails, Software Engineering, Systems Integration, Web Applications, Enterprise Software Applications, Software Application Programming, Vue.js, Information Technology, Software Version Control, Devsecops
- **Published:** October 16, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9245216/software-engineer-tssci-with-polygraph

## About the Role

* Self-starter mentality with a strong desire to learn and deliver solutions efficiently to customers.
 * Strong understanding of software design fundamentals and object-oriented programming principles.
 * Experience applying modern software engineering principles including SOLID, DRY, KISS, and YAGNI.
 * Experience working in Linux-based development environments.
 * Understanding of Git/GitHub source control and Agile development methodologies.
 * Experience architecting and developing web applications.
 * Experience developing applications using Ruby on Rails.
 * Experience with JavaScript frameworks such as ExtJS and/or VueJS.
 * Experience utilizing Bootstrap for responsive user interface development.
 * Experience deploying and supporting solutions in Amazon Web Services (AWS).

Desired Skills

 * AWS certifications.
 * Experience integrating and unifying records from multiple data sources.
 * Experience developing applications that consume and integrate external APIs.
 * Experience supporting applications in a secure Intelligence Community environment.
 * Understanding of DevSecOps practices and CI/CD pipelines.

Experience

 * Experience supporting enterprise web applications in production environments.
 * Experience working within Agile software development teams.

 * Full-time preferred; part-time schedules may be available for highly qualified candidates., * Education: Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
 * Experience: 6+ years
 * Location: Chantilly or McLean, VA (On Customer Site)
 * TS/SCI with Polygraph
 * US Citizenship Required

## Description

At GDIT, people are our differentiator. As a Software Engineer supporting our Intelligence Community customer, you will be trusted to solve complex technical challenges while delivering mission-critical capabilities that directly support national security objectives.

We are seeking a highly motivated and experienced software engineer with an active TS/SCI clearance with Polygraph to join an Operations and Maintenance (O&M) team responsible for supporting enterprise applications used across the Intelligence Community.

In this role, you will collaborate with agile development teams to maintain, enhance, and improve applications serving a broad range of IC customers. Responsibilities include responding to user inquiries, troubleshooting and resolving issues, implementing system enhancements, and supporting the ongoing evolution of mission-focused applications.

Flexible work arrangements may be considered, including part-time schedules for exceptionally qualified candidates with relevant IC experience.

How a Senior Software Engineer Will Make an Impact

 * Provide Operations and Maintenance (O&M) support for mission-critical applications used by Intelligence Community customers.
 * Respond to user-reported issues and questions, troubleshoot problems, and implement solutions in a timely manner.
 * Design, develop, test, and deploy software enhancements and new capabilities.
 * Collaborate with stakeholders to gather requirements and translate business needs into technical solutions.
 * Participate in Agile ceremonies including sprint planning, daily standups, reviews, and retrospectives.
 * Maintain and improve application performance, reliability, and security.
 * Develop and maintain technical documentation and system artifacts.
 * Support application integrations and data exchange with external systems and services.
 * Work closely with team members to continuously improve development, deployment, and support processes.