Intern, Guidance Navigation Control
- Dulles, VA
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Northrop Grumman's Space System is seeking a motivated candidate that will fill the position of Spacecraft Guidance, Navigation, and Control (GNC) engineer to join the Space Intern Program.
GNC is designing, building, testing spacecraft components for a mix of DoD, NASA, and commercial customers. We are leaders in innovative solutions to the rapidly growing/evolving fields of space based autonomous rendezvous and docking and rapid design/production of small satellites. We are seeking a highly-talented and ambitious Engineer to take responsibility for the attitude control solutions that meet our spacecraft requirements. The spacecraft GNC analysis engineer will work within the GNC subsystem team and under the supervision of the GNC subsystem lead.
Depending on the engineer's strengths and areas of interest, an engineer may choose to focus on one of two areas GNC analysis or GNC components (or some combination).
A spacecraft GNC analysis engineer is expected to:
•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, geopotential)
A spacecraft GNC component engineer is expected to:
•Perform GNC component trade studies (including make/buy trades and supplier identification/research). These components may include but are not limited to star cameras, lidars, GPS receivers, sun sensors, reaction wheels, IR cameras, and space based visible cameras.
•Work with the subcontracts/supply chain team as the technical lead to manage procurements including documentation and design reviews
•Work with the team to integrate and test all spacecraft GNC components
•Work closely with multiple suppliers, across multiple subsystems, presenting to managers and customers. Communication is a key element of your role
All GNC engineers are expected to:
•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 groupsDesigns, develops, implements, verifies and tests algorithms and software and simulation tools to perform guidance, navigation and control of aircraft, spacecraft, submersibles, surface ships, missiles, launch vehicles and upper stages during powered and coast phases of launch, flight, earth orbit, interplanetary cruise and orbital insertion, as well as during staging events. Navigation functions include the statistical processing of measured data points and their substitution into algorithms simulating physical reality. Guidance functions include the formulation of specific equations to achieve a desired position, orientation or orbit in space. Control design and analyses processes consist of the development of the control laws and hardware and software requirements for aircraft, launch vehicles and/or spacecraft.
A candidate, regardless of age and hiring source, must meet ALL of the below criteria. The candidate must:
• Be enrolled full-time and pursuing an undergraduate or graduate degree from an accredited college/university AND graduating after August 2021.
• Be majoring in a STEM degree
• Have an overall cumulative GPA of 3.0/4.0 or higher (unofficial academic transcripts must be provided at time of application by uploading the documents to your application or profile)
• Be available to work full-time (40 hours per week) for at least 10 weeks during summer 2021
• Be able to obtain and maintain a U.S. Government security clearance (U.S. citizenship is a pre-requisite)
• Have an overall cumulative GPA of 3.25/4.0 or higher
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 www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.
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