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# Senior Software Engineer - TS/SCI with Polygraph

- **Company:** General Dynamics Information Technology
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** CompTIA Security+, Computer Programming, Software Engineering, Software Systems, Utility Software, Code Comments, Usage Tracking
- **Published:** July 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9046895/senior-software-engineer-tssci-with-polygraph

## About the Role

Bring your engineering expertise along with a drive for innovation to GDIT. The Software Engineer Senior must have:

 * : Bachelors Degree or equivalent technical training, certification(s) or experience
 * : 5+ years of related experience
 * Candidate must possess an appropriate and current DoD 8570/8140 Information Assurance Technical (IAT) Certification to be considered for employment. CompTIA Security+ CE Certification is the preferred certification.
 * Active TS/SCI with Polygraph is required.

## Description

Seize your opportunity to make a personal impact as a Software Engineer supporting our Customer in Alice Springs, Australia. GDIT is your place to make meaningful contributions to challenging projects, build your skills, and grow a rewarding career.

HOW YOU WILL MAKE AN IMPACT

 * Designs, develops, evaluates, plans, and tests engineering specifications for software programs and applications.
 * Troubleshoots, and analyzes complex software programs for computer-based systems.
 * Develops complex documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.
 * Prepares and installs solutions by determining and designing system specifications, standards, and programming.
 * Performs complex systems modeling, simulation, and analysis. Designs and develop basic compilers, assemblers, utility programs and operating systems.
 * Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; and following the software development lifecycle.
 * Develops documentation of new or existing programs.
 * Applies practical knowledge of job typically obtained through advanced education and work experience.
 * May coach and provide guidance to less-experienced professionals.
 * May serve as a team or task lead


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