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Principal / Sr. Principal Software Engineer (AHT)

Northrop Grumman

Posted today
Secret
$98,400 - $147,600
Unspecified
IT - Software
Bellevue, NE (On-Site/Office)

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: NoDescription

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.

Northrop Grumman Defense Systems (NGDS), Bellevue, NE is currently seeking a Principal/Sr. Principal Engineer Software. The successful candidate will demonstrate a broad skill set balanced between interpersonal and technical capabilities achieving sustainable quality products. They will have a track record as an effective communicator and problem solver who is able to develop and maintain good working relationships with internal and external stakeholders. The selected candidate will participate in the entire software development lifecycle with a concentration in software engineering. The candidates will work closely with other software developers accomplishing the following:
  • Complete work independently and as a part of a team
  • Support team in completing necessary software on schedule
  • Solve complex problems through innovative and creative solutions
  • Collaborate with software designers and/or software engineers in the planning, design, development, and utilization of software systems
  • Generate/upgrade documentation
  • Research government nuclear weapons effects provenance documentation to confirm existing software implementation
  • Perform research on fratricide-related models and conduct excursionary studies
  • Collaborate with the Fratricide Working Group (AFGSC, national nuclear weapons labs, associate contractors, NSWC, and others) and participate in/host TIMs


Basic Qualifications
  • Principal Software Engineer: 5 Years with Bachelor's in STEM field of study, 3 Years with Masters, a PhD or 9 years of experience in lieu of a degree.
  • Sr. Principal Software Engineer: 8 Years with Bachelor's in STEM field of study, 6 Years with Masters, 4 Years with PhD or 12 years of experience in lieu of a degree.
  • Current active U.S. Department of Defense (DoD) Secret Security Clearance
  • Proven experience with Java. Supplementary experience in MATLAB, Python, Fortran, and C++
  • Familiarity with Continuous Integration and Software Security tools such as Jenkins, SonarQube, and Git
  • Ability to prioritize and adjust tasks to accomplish project results
  • Demonstrated use of Integrated Development Environments (IDEs) and version control systems such as Eclipse and VS Code
  • Strong interpersonal skills to collaborate effectively within a small technical team


Preferred Qualifications:
  • Major/Minor degree in Physics and Math
  • 5 years Fratricide experience.
  • 5 years USSTRATCOM Plans experience
  • Top Secret Security Clearance


Primary Level Salary Range: $98,400.00 - $147,600.00

Secondary Level Salary Range: $122,800.00 - $184,200.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines. © 2025 Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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Job Category
IT - Software
Clearance Level
Secret