RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: 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.Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Defense Systems is seeking a Principal / Sr Principal Systems Engineer for the Modeling, Simulation, and Analysis (MS&A) team. This position is located in Roy, UT and supports the Sentinel program.As a Modeling, Simulation, and Analysis Systems Engineer, you will support a diverse team of engineers on a variety of projects supporting Sentinel intercontinental ballistic missile (ICBM) weapon system accuracy. The candidate will support completion of the following projects:Physics-based predictive modeling and simulation of ICBM accuracy performanceMaturation of Sentinel accuracy error modelsPost flight estimation of Sentinel accuracy performanceEstimation of accuracy error model parameters using ground and flight test dataValidation & verification (V&V) of Sentinel accuracy error modelsPreparation of Sentinel accuracy reportsPresentations of projects and studies to Northrop Grumman Sentinel leadership and USG customersBasic Qualifications:This requisition may be filled at either the Principal Systems Engineer level (T-03) or Sr. Principal Systems Engineer level (T-04).Principal Systems Engineer: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, 1 year with a PhDSr. Principal Systems Engineer:Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 8 Years of related experience; 6 Years with Masters; 4 Years with PhDRequired for both levels:Must be a US Citizen with an active U.S. Government Secret Clearance, at time of application, current and within scope, with an investigation date within the last 6 yearsMust have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business needMust be able to support program tasks in a secure lab environment (on site) for a minimum of 90% of their total work timeDemonstrated experience with physics-based mathematical modeling and simulationProficiency in scientific computer programming (Python, C++/C#, SQL, MATLAB, R or similar)Preferred Qualifications:Active U.S. Government Top Secret security clearance at time of application, current and within scopeOutstanding skills in building rapport and interfacing with external team partnersProactive self-starter capable of identifying gaps and problems in/with processes and proposing and implementing solutionsExperience with complex requirement development and traceabilityExperience with object-oriented programming (e.g., C++)Experience with or interest in dynamic systems, feedback control, and estimationExperience with Agile Release Train (ART) or Scaled Agile Framework (SAFe)Experience with the Atlassian Tool SuitePosition BenefitsAs a full-time employee of Northrop Grumman, 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 https://www.northropgrumman.com/who-we-are/total-rewards-benefits/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.#SentinelsystemsPrimary 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.