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Sr Principal Software Engineer – Air Craft Systems, Secret Clearance (AHT)

Requisition ID: R10058552

  • Category IconCategory: Engineering
  • Location IconLocation: Oklahoma City, Oklahoma, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: Secret
  • Telecommute IconTelecommute: No- Teleworking not available for this position
  • Shift IconShift: 1st Shift (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions Available: 2

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) is looking for a Software Engineer based out of either Hollywood, MD or Oklahoma City, OK to be part of one of our Agile Scrum teams working on a long term and funded state-of-the-art classified Mission Planning System.

The Software Engineer will implement solutions across the full stack (.NET C# application, windows services, and Web Services) to develop new application features in an Agile development environment.

The ideal candidate will take ownership of challenging problems, design and implement creative solutions, while working in a collaborative team environment.  It is critical that the candidate understand the software development life cycle and have an in-depth knowledge of software design and implementation.

The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and be able to collaborate in team settings across all levels.

Responsibilities Include:

  • Design and implement solutions for advanced Mission Planning Systems.
  • Work with object-oriented programming, design patterns, pub-sub messaging, Web Services (REST, gRPC, graphQL), XML and related technologies.
  • Develop, document, test, optimize, and debug software applications and systems that contain advanced algorithms and data structures.
  • Develop and debug complex, multithreaded applications, with extensive server-client communication.
  • SQL database development and interaction.
  • Research and collaborate with other engineers in planning, design, and implementation.

 Basic Qualifications:

  • 9 Years with Bachelors; 7 Years with Masters; 4 Years with PhD.
  • 7 years of work experience in any of the following: Java, C/C++, or C#
  • Active DoD Secret Clearance with the ability to obtain and maintain a DoD Top Secret Clearance and Special Access Program (SAP) is required.

Preferred Qualifications:

  • Proficiency in C#, WPF, XAML, and MVVM
  • Experience with Atlassian Suite (Jira/Confluence/Crucible/Bitbucket)
  • Excellent communication and organizational skills; strong interpersonal and analytic skills; Works well in a team-environment
  • Previous in-depth domain knowledge of software design and development
  • Familiarity with XML, XSLT, and XSD schemas
  • Familiarity with Object Oriented Design, Software Design Patterns, and UML diagrams
  • RESTful API development experience, with unit testing
  • Security+ Certification
  • Current DoD Top Secret Clearance
  • Current SCI/SAP access

Salary Range: $102,900 USD - $188,600 USD

Employees may be eligible for 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 health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042 https://www.saferfederalworkforce.gov/contractors/.

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.



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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.


Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.