RELOCATION ASSISTANCE: No relocation assistance 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.Northrop Grumman Defense Systems is seeking a Principal or Senior Principal level Software Engineer to fill a very important role in Huntsville, AL.The selected candidate will be responsible for designing, maintaining, updating, and documenting sensor registration algorithm and software functionality including capabilities supporting multiple sensors per platform and multiple platforms in local and remote tracking networks. Investigate and prototype sensor registration approaches for new sensors and stakeholder-defined capabilities, respond rapidly to urgent software behavior issues and anomalies, and analyze test data to diagnose tracking and bias estimation anomalies while developing and implementing mitigations. Familiarity with Kalman filters, statistical methods, linear algebra, statistics, and radar tracking algorithms is highly preferred.Other responsibilities include:Write high-performance, resource-constrained embedded code using C++ and C.Develop radar signal-processing, target tracking, and sensor-fusion algorithms.Take data measurements from radar sensorsRemove biases from the sensors and correct them to improve tracking and align better with each otherFielding questions and briefing team members about how the system works50% C/C++ programming/50% performing analyses, troubleshooting, and explaining the “why”Doing computations for the algorithm formulae for calculating the tracking, bias, data fusion of fixed-wing aircraft, missiles, drones, etc.Technical writing /algorithm documentationBasic Qualifications: Principal level- 5 Years of relevant experience with a Bachelor's degree in STEM field; 3 Years relevant experience with Masters degree; 0 Years of relevant experience with PhDSr Principal level- 9 Years of relevant experience with a Bachelor's degree in STEM field; 7 Years relevant experience with Masters degree; 4 Years of relevant experience with PhDC/C++,MATLAB (Can be substituted with Python, Mathematica, or any computer algebra application)Active Secret Security ClearancePreferred Qualifications: Geodetic Registration related experienceJavaPythonExperience with Integrated Battle Command SystemExperience with Joint Track Management Capability BridgeMBSE (Cameo)Primary Level Salary Range: $108,800.00 - $163,200.00Secondary Level Salary Range: $135,800.00 - $203,600.00The 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.