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# Principal/Senior Principal Cyber Software Engineer

- **Company:** Northrop Grumman
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Salary:** $125,300.0 - $187,900.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Microsoft Windows, Agile Methodology, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), DevOps, Python (Programming Language), Windows PowerShell, Systems Development Life Cycle, Reverse Engineering, Security Software, Software Engineering, IDA Pro
- **Published:** October 17, 2026
- **Apply:** https://www.juju.com/job/1_ngrum5-R10247447

## About the Role

TS/SCI with poly eligibility must be in place by the start date and must stay in place through employment. + Minimum 5 years' experience with Bachelor's in Science; 3 years' experience with Masters; 1 years' experience with PhD. + Proficient in C#. + Proficient in C. + Experience developing using .NET Framework on Windows. + Experience with PowerShell. + Experience developing software on Agile teams with a strong track record of delivering solutions. + 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. **Basic Qualifications for Senior Principal (T04):** + 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 8 years' experience with Bachelor's in Science; 6 years' experience with Masters; 4 years' experience with PhD. + Proficient in C#. + Proficient in C/C++. + Experience developing using .NET Framework on Windows. + Experience with Powershell. + Experience developing software on Agile teams with a strong track record of delivering solutions. + 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. **Preferred Qualifications:** + Experience developing software for embedded systems using C/C++. + Experience with reverse engineering tools such as Ida Pro or Ghidra. + Experience with x64 assembly language. + Experience with kernel-level software
development. + Experience with Python. + Experience working with Microsoft Azure DevOps for CI/CD pipelines, work item tracking, and project management.

## Description

This position will be located at a Mission Systems Sector site in Chantilly, VA. As a Principal/Senior Principal Cyber Software Engineer, you will have 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. **Basic Qualifications for Principal (T03):** + Active Top Secret/SCI security clearance with poly to be considered.