Spacecraft Guidance, Navigation, and Control (GNC) Engineer 3 or 4

Northrop Grumman Technology Services sector is seeking a Spacecraft Guidance, Navigation, and Control (GNC) Engineer 3 or 4 to join our team of qualified, diverse individuals. This position will be located in Dulles, VA. The selected candidate will join a high performing engineering team supporting mission critical systems, and is expected to apply best engineering principals and methodologies to research, design, develop, and or modify systems. The Spacecraft GNC Engineer is responsible for contributing to the design, analysis, and testing of the GNC subsystem for the space vehicle. The Spacecraft GNC Engineer will work within the GNC subsystem team and under the supervision of the GNC subsystem lead. This requisition may be filled at a higher grade based on qualifications listed below.

Roles and Responsibilities:
Design, analyze, and tune spacecraft attitude and position control loops using time and frequency domain techniques
Design, analyze, and tune sequential filters (e.g. Kalman filters) for attitude determination and relative navigation
Analyze and test the spacecraft GNC subsystem performance using simulations and other analytic tools
Implement GNC algorithms in flight software and support flight software qualification testing
Perform analysis to support early design phase concept development including actuator sizing and placement, sensor selection and placement, and predicted performance assessments
Develop simulation models for sensors (e.g. star tracker, rate gyro, accelerometer, GPS, magnetometer, sun sensors), actuators (e.g. reaction wheel, torque bar, thruster, CMG), system dynamics (e.g. rigid body, multi-body, orbit mechanics, flexible models), and the space environment (e.g. atmospheric, solar radiation pressure, third-body gravity, geo-potential)
Apply engineering principles, industry standards, company process, and knowledge of vehicle dynamics, aerodynamics, propulsion, classical/modern control, and estimation theory to perform tasks to advanced program/project goals
Document designs, analysis, and test results and create presentation materials
Present designs, analysis, and test results to internal and external customers
Work well within small- to medium-sized groups

Basic Qualifications:
This requisition may be filled at either a level 3 or a level 4. BQs for the Engineer 3 are a Bachelor's Degree in STEM and 5 years' experience. BQs for the Engineer 4 are a Bachelor's Degree in STEM and 9 years' experience. To be considered for this position, you must minimally meet the knowledge, skills, and abilities listed below:

Active Top Secret Clearance
Aerospace Background
Experience in spacecraft GNC subsystem design, analysis, and testing
Experience with implementing GNC algorithms on embedded systems
Experience with MATLAB, Simulink, and hand code C and C++
Experience with Stability Analysis and Common Filtering
Strong verbal and written communications skills
Strong interpersonal skills
Strong analytical skills

Preferred Qualifications:
Candidates with these desired skills will be given preferential consideration:
Active Top Secret/SCI Clearance
MS or PhD degree in engineering, physics, or math
Proficiency in MATLAB/Simulink and C/C++

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.${descr2}${descr3}

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