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Northrop Grumman Logo

Sentinel Sr Principal Software Engineer

Northrop Grumman

$124,900 - $206,000
Aug 28, 2025
Colorado Springs, CO, USA • El Segundo, CA, USA
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Northrop Grumman Defense Systems is seeking a Sr. Principal Engineer Software to support the Sentinel program. The role involves developing and designing front-end web architecture, ensuring application responsiveness, and working with graphic designers on web features. The successful candidate will be responsible for seeing projects from conception to completion, requiring strong organizational skills and attention to detail.

Requirements

  • Familiarity with Full Stack application development including API design
  • Experience developing database and design
  • Experience programming in scripting languages (Python, JavaScript).
  • Familiarity with Model-Based Systems Engineering languages (SysML/UML) and concepts
  • Experience with UI design and development, or experience Interpreting complex algorithms and requirements for implementation
  • Experience with the Atlassian Tool Suite including Jira and Confluence
  • Proficient with DOORS, Cameo with the ability to write and decompose system requirements

Responsibilities

  • Developing front end website architecture.
  • Designing user interactions on web pages.
  • Developing back-end website applications.
  • Creating servers and databases for functionality.
  • Ensuring responsiveness of applications.
  • Working alongside graphic designers for web design features.
  • Designing and developing APIs.

Other

  • US Citizenship with Active DoD Secret clearance with a reinvestigation date occurring in the last 6 years.
  • Ability to obtain Special Program Access (SAP).
  • Ability to team plan, execute, and manage the technical scope, and support leadership planning.
  • Experience with Agile and working in a cross-function Scrum team.
  • Communicate effectively and clearly present technical approaches and findings.