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# Cyber Software Engineer 3 - TS/SCI FS POLY - Chantilly VA

- **Company:** ASD, Inc.
- **Location:** Chantilly, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), .NET Framework, Microsoft Windows, Agile Methodology, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), DevOps, Perl (Programming Language), Python (Programming Language), Windows PowerShell, Systems Development Life Cycle, Real-Time Operating Systems, Security Software, Software Engineering, Scripting, Doxygen, Git, Documentation System
- **Published:** August 24, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9113390/cyber-software-engineer-3-tssci-fs-poly-chantilly-va

## About the Role

Active Top Secret / SCI security clearance with poly to be considered. TS/SCI with poly eligibility must be in place by the start date and must stay in place through employment.
Minimum education and experience are 8 years' experience with Bachelor's in Science; 6 years' experience with Masters; 4 years' experience with PhD.
Proficient in C#.
Proficient in C.
Experience developing software for embedded systems using C/C++.
Experience developing using .NET Framework on Windows.
Experience with Python.
Experience developing software on Agile teams with a strong track record of delivering solutions.
Experience with Real-Time Operating Systems.
Knowledge of software development life cycle.
Strong creative problem-solving and troubleshooting skills, with the ability to visualize and implement innovative solutions to problems.
Strong ability to collaborate and excel on a team., Knowledge of radio frequency (RF), and/or satellite/terrestrial communications systems and techniques.
Experience with Zephyr RTOS.
Experience with scripting languages such as Python, Powershell, or Perl.
Experience with Java programming language.
Experience with Xilinx software.
Experience working with Microsoft Azure DevOps for CI/CD pipelines, work item tracking, and project management.
Experience writing software design documentation with Doxygen or other documentation tools.
Familiarity with Git version control

## Description

Develop both user and developer-level documentation.
Participate in setting the team's technical direction in alignment with operational requirements and the sponsor's technical roadmap.
Collaborate with the team to review and improve processes (development, test, governance, stakeholder interactions),
Communicate project status, roadblocks, technical and process proposals to the team and stakeholders.
Prioritize development efforts with mission partners.
Define the complexity, scope, and resources needed to integrate new requirements., This position will be located at a Mission Systems Sector site in Chantilly, VA.
The following responsibilities:
Develop and deliver software to meet mission partner requirements.
Develop both user and developer-level documentation.
Participate in setting the team's technical direction in alignment with operational requirements and the sponsor's technical roadmap.
Collaborate with the team to review and improve processes (development, test, governance, stakeholder interactions),
Communicate project status, roadblocks, technical and process proposals to the team and stakeholders.
Prioritize development efforts with mission partners.
Define the complexity, scope, and resources needed to integrate new requirements.


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