RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: NoneTRAVEL: Yes, 10% of the TimeDescriptionAt 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.Job DescriptionExpand your horizons, advance your career, and contribute to a secure future for generations. Northrop Grumman’s Space Sector invites you to bring your pioneering spirit to our collaborative teams. As a GNC Engineer – Level 3 or Level 4 located in Chandler, AZ, you’ll be a linchpin in missions of paramount importance, defining the art of the possible from day one. This position is 100% onsite and cannot accommodate telecommute work.In this role, you will contribute to the success of vital defense systems that protect the nation by supporting cutting-edge development of upcoming long-range missile defense interceptors, targets, space launch, and strike vehicles.This position will work a 9/80 schedule, with every other Friday off.Your Role and Impact:Develop and assess navigation models and simulations for advanced weapons, tactical strike, and missile defense interceptor applicationsSupport analysis of inertial, GPS/GNSS, and integrated navigation systemsEvaluate navigation performance across diverse mission environments, including low-altitude flight, high-speed and high-dynamic engagements, glide phase intercept scenarios, space and exo-atmospheric missions, and degraded or denied GPS conditionsEvaluate sensor performance, including IMUs, GPS receivers, radar altimeters, and other aiding sources as applicableSupport Kalman filter analysis, navigation algorithm evaluation, and performance studiesTranslate program and customer requirements into navigation performance assessments and verification approachesSupport integration with flight software and simulation environmentsCommunicate technical results to engineering teams, leadership, and customersOther duties as assignedIf this job description reads like it was written specifically for you, consider joining our team!This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company.This position can be filled at either a Level 3 or Level 4.Basic Qualifications for Level 3:Bachelor’s degree with 5 years of professional experience – OR – Master’s degree with 3 years of professional experience – OR – PhD with 1 year of professional experience. Will consider an additional 4+ years of experience in lieu of degree.Must have the ability to obtain and maintain a U.S. Government DoD Secret security clearanceExperience with Inertial, Satellite-Based, or Integrated Navigation SystemsBasic Qualifications for Level 4:Bachelor’s degree with 8 years of professional experience – OR – Master’s degree with 6 years of professional experience – OR – PhD with 4 years of professional experience. Will consider an additional 4+ years of experience in lieu of degree.Must have the ability to obtain and maintain a U.S. Government DoD Secret security clearanceExperience with Inertial, Satellite-Based, or Integrated Navigation System, IMU modeling, GPS sensor familiarity Preferred Qualifications: Active DoD Secret Security Clearance or higherExperience with C++, MATLAB, Simulink, and PythonExperience with LinuxExperience with IMUs, GPS receivers, radar altimeters, and related navigation sensorsExperience with Kalman filters, navigation algorithms, and simulation-based performance analysisExperience supporting advanced weapons, tactical strike systems, interceptor programs, missile defense applications, or space-based flight systemsExperience with navigation in high-dynamic, exo-atmospheric, or GPS-contested environmentsStrong written and verbal communication skillsCurious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:https://www.northropgrumman.com/spaceWorking at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site.Northrop Grumman Total Rewards Primary Level Salary Range: $98,400.00 - $147,600.00Secondary Level Salary Range: $122,800.00 - $184,200.00The 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.