Sentinel (GBSD) Principal / Sr Principal GN&C Systems Engineer (FSS) (12004)Roy, UT

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 / Sr. Principal Guidance, Navigation and Control Engineer . This position is located in Roy, Utah and supports the Sentinel program. This role may offer a competitive relocation assistance package.

What You'll Get To Do

The engineer in this role will continue to mature the Guidance System's ground and flight software algorithm design. Candidate must demonstrate the ability to perform one or more of the Guidance, Navigation, and Control (GNC) or Modeling and Simulation (M&S) tasks below.

Specific duties to include, but are not limited to the following:

  • Develop and analyze GNC algorithms (guidance, navigation, autopilot)

  • Develop, verify, and validate complex 6 degree of freedom vehicle models

  • Model missile components such as inertial measurement units (IMU) and thrust vector control (TVC) systems

  • Demonstrate proficiency in C++ and MATLAB and Object-Oriented design

  • Perform pre-flight assessment and post-flight verification analyses

Basic Qualifications:

This requisition may be filled at either a Principal level or Sr. Principal level .

  • Principal Engineer Systems: Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 5 years of experience with Bachelor's degree, 3 years of experience with Master's degree, 0 years of experience with PhD

  • Sr Principal Engineer Systems: Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 9 years of experience with Bachelor's degree, 7 years of experience with Master's degree, 4 years of experience with PhD

  • US Citizenship with an Active DoD Secret clearance , granted or re-investigated within last 6 years, or in Continuous Evaluation (CE)

  • Ability to obtain and maintain Special Access Program (SAP) Clearance, within a reasonable amount of time, as determined by the company, to meet its business needs

  • Demonstrated experience in the area of guidance, navigation, or control algorithm development and/or analysis for launch vehicles, missiles, spacecraft, and/or aircraft

  • Experience coding in a higher-level programming language (C, C++, MATLAB/Simulink, etc.)

  • Experience with software version control systems, such as Git

  • Ability to work in a highly collaborative & dynamic team-based environment

These Qualifications Would be Nice to Have:

  • M.S. or equivalent advanced degree in applicable technical discipline

  • Experience with a software version control system, such as Git

  • Experience working in an Agile team or even leading a scrum team

  • Extensive experience with MATLAB/Simulink

  • Experience with Object-Oriented Programming

  • Proficiency in technical writing and documentation

  • Knowledge of estimation and control theory, such as Kalman filtering

  • Experience with linear stability analysis to determine control system stability margins

  • Experience modeling navigation sensors, such as IMU or GPS

  • Active DoD Top Secret Clearance

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.


Salary Range: $92,600 - $139,000

Salary Range 2: $114,900 - $172,300

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.

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 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 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.