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Northrop Grumman Logo

Sentinel Sr Principal Software Engineer 15756*

Northrop Grumman

$124,900 - $206,000
Aug 27, 2025
Manhattan Beach, CA, US
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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 the full lifecycle of a project 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.