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Sr Principal Engineer Software (AHT)

Requisition ID: R10065659

  • Category IconCategory: Engineering
  • Location IconLocation: Huntsville, Alabama, 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: 1

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 sector is seeking a Senior Principal Software Engineer / Programmer to join our team of qualified, diverse individuals. This position will be located in Huntsville, AL; where technology and teamwork come together to create world-class training products. The qualified applicant will become part of Northrop Grumman's very successful Integrated Logistics Support (ILS) Virtual Training Systems (VTS) Team, responsible for delivering training products geared for a military audience on a multitude of Defense sector programs. The VTS team develops Interactive Multimedia Instruction (IMI) that includes game-based training, virtual, and constructive training. This includes interactive and immersive environments that are on the cutting edge of technology, providing learning experiences that foster creative engagement and problem solving in a risk-free, dynamic realm of interactive encounters.

The Senior Principal Software Engineer will join the software development team that designs, develops, documents, tests, and debugs our application software systems containing logical and mathematical solutions for military 3D game-based training. The Software Engineer determines computer user needs; analyzes system capabilities, output requirements, input data acquisition, and programming techniques; and ensures software standards are met. The Senior Principal Software Engineer must be highly familiar with commercial and/or open source game engines and the techniques they use including shadow casting, object occlusion, LODs, ambient occlusion, animation blending, shaders, batching, skeletal support, particle systems, and networking.

Job Qualifications:

Basic Qualifications:

The successful candidate must minimally meet the following requirements:

  • Minimum Education / Experience: 9 Years with Bachelors in Science; 7 Years with Masters; 4 Years with PhD.

  • Strong technical skills. Must be active learner of hardware and software applications

  • Ability to quickly grasp and communicate technical subjects clearly and concisely

  • Strong interviewing and listening skills; must be able to ask the right questions of the subject matter experts (SMEs)

  • Strong usability and testing skills; must take an active role in validation of documentation

  • Good organizational skills, must be able to plan own work and that of junior teammembers

  • Ability to work and adjust to changes in a fast-paced, deadline-driven environment

  • Must be a team player

  • Must be self-managing and self-motivated

  • Advanced C++/C#/Java coding skills, experience with Unity3D programming

Preferred Qualifications:
Candidates with any of the following preferred qualifications will receive preferential hiring consideration:

  • Ten+ years of experience with Unity 3D development

  • Ten+ years of experience with 3D simulations / gaming technology

  • Strong interviewing and listening skills; must be able to ask the right questions of the subject matter experts (SMEs)

  • Strong usability and testing skills; must take an active role in validation of documentation

  • Demonstrated experience working in an agile scrum development environment

  • Experience with software data repositories like Azure DevOps, AlienBrain, Jira/Confluence, etc.


Salary Range: $114,300 USD - $171,500 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.