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# Sentinel Principal Software Engineer - 20421

- **Company:** Northrop Grumman
- **Location:** Roy, UT, United States
- **Experience:** Expert
- **Salary:** $98,400.0 - $147,600.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Automation of Tests, Bash Shell, C Sharp (Programming Language), Computer Programming, Linux, DevOps, Design of User Interfaces, Python (Programming Language), PostgreSQL, Cisco Nexus Switches, Object-Oriented Software Development, Scrum Methodology, SAP (Applications), Software Engineering, Software Requirements Analysis, Systems Architecture, Test Execution Engine, Scripting, DOORS (Software), Gitlab, Git, Integration Tests, Kubernetes, Information Technology, Atlassian Tools, Synthesizing Data, Software Version Control, Docker
- **Published:** October 15, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9244100/sentinel-principal-software-engineer-20421

## About the Role

* Principal Engineer Software: 5 Years with Bachelors in relevant field of study; 3 Years with Masters; 0 Years with PhD or 4 additional years in lieu of a degree.

 * US Citizenship with Active DoD Secret Clearance with an investigation date occurring within the last 6 years, with the ability to obtain a DoD Top Secret Clearance.

 * Ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business need.

 * Experience with Agile and working in a cross-function Scrum team.

 * Working knowledge of Object-Oriented Analysis and Design Principles.

 * Experience with the Atlassian Tool Suite including Jira and Confluence.

 * Experience with version control management software (Git or similar).

 * Experience programming in object-oriented languages (Java, C#, etc.) and scripting languages (Bash, Python, etc.)

 * Experience Interpreting complex algorithms and requirements for implementation.

 * Experience demonstrating technical leadership, interpersonal, and oral and written communication skills, effectively engaging with various stakeholders.

Qualifications Would be Nice to Have:

 * Bachelor's degree or higher in Science, Technology, Engineering, and Mathematics (STEM).

 * Experience with test engineering principles and processes, specifically Integrated Test Planning and Detailed Test Planning.

 * Familiarity with Model-Based Software Engineering.

 * Experience with IBM DOORS/Cameo DataHub and the ability to write and decompose system requirements.

 * Experience with UI design and development.

 * Experience with Database Management and Design, particularly PostgreSQL.

 * Experience with DevOps architecture such as Kubernetes, Nexus, Docker, GitLab, etc.

 * Experience with Linux Operating System.

 * Demonstrated expertise soliciting input from internal and external stakeholders, synthesizing data, and communicating complex results to technical and non-technical stakeholders at various levels.

## Description

Northrop Grumman Defense Systems is seeking Principal Software Engineer. This position will be located in Roy, Utah and will support the Sentinel program.

What You'll Get To Do:

 * Design, develop, document, test, and debug software in an agile development environment.

 * Design and define system architecture for new or existing complex computer systems.

 * Design automated test procedures for test execution teams.

 * Work with the lead test engineer and a team of software developers to establish and develop test methods and techniques.

 * Participate in formal testing events, customer meetings, and software design reviews.

This position's standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off.