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Sentinel (GBSD) Nuclear Surety Software Design Principal / Sr. Principal Software / Systems Engineer – 5771 5772

Requisition ID: R10098444

  • CategoryCategory: Engineering
  • LocationLocation: Roy, UT, USA
  • Citizenship RequirementsCitizenship Required: United States Citizenship
  • Security Clearance TypeClearance Type: Secret
  • TelecommuteTelecommute: No- Teleworking not available for this position
  • ShiftShift: 1st Shift (United States of America)
  • Travel RequirementsTravel Required: Yes, 10% of the Time
  • Relocation AssistanceRelocation Assistance: Relocation assistance may be available
  • Number of Positions AvailablePositions 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.

Embark on a career putting innovative, reliable, and agile products and ideas into orbit, and beyond. Northrop Grumman has opportunities waiting for you that play a vital role in human space exploration, national defense, and scientific discovery, supporting multiple programs across the universe. With us, you’ll discover a culture of curiosity and collaboration that will have you Defining Possible from the day you start. Our space systems connect and protect millions of people on earth every day, now and for the future. Explore your future and launch your career today.


Northrop Grumman Space Systems is seeking a Principal Software/Systems Engineer for Nuclear Surety Software Design . This position will be located in Roy, Utah and will support the Ground Based Strategic Deterrent (GBSD) program. Learn more about the GBSD program here 



What You’ll Get To Do: 

The selected candidate will join our Mission Defense Team (MDT) and will support the Nuclear Surety sub-IPT in the following areas:

                Support testing and verification of software components for verification and validation activities

                Monitor and participate in test execution activities for program software

                Analyze software test results and communicate anomalies and/or issues to the software component teams

                Provide systems engineering, integration, and test support to ICBM development and modification program

                Apply the principles of engineering to verify the system design using applicable standards and specifications

                Participate in technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for mechanical, electrical and integrated systems

                Perform requirements analysis, develop source data for requirements, generate test requirements and prepare test reports (Nuclear Surety Evaluations)

                Work with sub-contractors to ensure designs are compliant with AF and DoD criteria for nuclear weapons systems

                Support all phases of the systems lifecycle including concept, design, fabrication, test, installation, operation, maintenance and disposal

                Maintain design documentation and follow configuration management requirements

                Interface with AF customer


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.


 You’ll Bring These Qualifications:

  • Principal Bachelors degree and 5 years of experience; or 3 Years with Masters; or 0 Years with PhD.
  • Sr. Principal - Bachelor's degree and 9 years of experience; or 7 Years with Masters; or 5, Years with PhD.
  • Active Secret Clearance with a re-investigation date occurring in the last 5 years.
  • U.S. Citizenship and the ability to obtain Special Program Access (SAP).
  • Experience with Real Time Operating Systems (RTOS) and Embedded Systems programming and testing.
  • Experience with C/C++
  • Familiarity with Aerospace Software Standards (DO-178C, ARINC-653, ARINC-661, MISRA C, etc.)
  • Experience with Software testing and verification/validation 

These Qualifications Would be Nice to Have:

  • Experience with nuclear weapon systems
  • Strong verbal/written communications skills to include presentation of verification and validation results to system architects, software designers, testers, test support personnel, and the AF customer.
  • Experience in Software Safety, either writing safety critical code or performing software testing or verification activities (MISRA C, DO-178, IV&V, NSCCA (Nuclear Safety Cross Check Analysis), etc.)
  • Experience using SysML, UPDM, and DoDAF models for software architecture and behavior
  • Software Requirements development experience
  • Experience with any of the following tools: CORE, DOORs, Rhapsody, Cameo
  • Experience working with Nuclear Surety Standards (e.g. AFI 63-125, AFI 91-101, AFMAN 91-118/91-119
  • Experience in Systems Engineering and any of the following areas:
  • Requirements Management using MBSE techniques and tools including DOORs
  • Systems and end item requirements validation and verification
  • Design: Systems Design, Systems Architecture, Systems Integration, N2 Analysis, Trade Studies
  • Failure Modes, Effects, and Criticality Analysis



Salary Range: $90,400 USD - $135,600 USD
Salary Range 2: $112,000 USD - $168,000 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

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 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.