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Sentinel Sr Principal Software Engineer 15756* Security Clearance

Job in Manhattan Beach, Los Angeles County, California, 90266, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2025-12-10
Job specializations:
  • Software Development
    Software Engineer
Job Description & How to Apply Below
Position: Sentinel Sr Principal Software Engineer 15756* with Security Clearance
RELOCATION ASSISTANCE:
Relocation assistance may be available CLEARANCE TYPE:
Secret TRAVEL:
Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world's biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible.

With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Defense Systems is seeking Sr. Principal Engineer Software. This position will be located in Manhattan Beach, California or Colorado Springs, CO and will support the Sentinel program. The successful candidate will be a motivated software developer who is comfortable with both front and back-end programming as well as identifying COTS candidates.

Full Stack Developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications and working alongside graphic designers for web design features, among other duties. Full Stack Developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail. The successful candidate's responsibilities will include:
• 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.

• Staying abreast of developments in web applications and programming languages.

• Evaluation of COTS products that may contribute to the end product
• Communicate effectively and clearly present technical approaches and findings.

• Develop technical solutions to complex problems which require the regular use of ingenuity and creativity.
• Perform work without appreciable direction. Position Benefits:
As a full-time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package including:
• Medical, Dental & Vision coverage
• 401k
• Educational Assistance
• Life Insurance

• Employee Assistance Programs & Work/Life Solutions
• Paid Time Off
• Health & Wellness Resources
Employee Discounts 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. This role may offer a competitive relocation assistance package.

Basic Qualifications:

• Sr. Principal Software Engineer: 8 Years with Bachelor's in related field of study, 6 Years with Masters, 4 Years with PhD or 4 additional years in lieu of a degree.
• 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.

• Working knowledge of Object-Oriented Analysis and Design principles

• Familiarity with Full…
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