Northrop Grumman · 12 hours ago
Guidance Navigation Control (GNC) Engineer – Level 4 - R10222228
Dulles, VA
Full-time
Onsite
Senior Level, Lead/Staff
$142K/yr - $213K/yr
4+ years expNorthrop Grumman is a leader in technological advancements and is seeking a Guidance Navigation Control (GNC) Engineer – Level 4 to join their Space Sector team. The role involves designing, analyzing, and testing spacecraft subsystems for various customers, including DoD and NASA, with a focus on innovative solutions in space-based operations.
AerospaceBig DataManufacturingData IntegrationRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, analyze, and tune spacecraft attitude and position control loops using time and frequency domain techniques
Design and analyze relative guidance solutions for Rendezvous and Proximity Operations (RPO)
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
Perform analysis to support early design phase concept development including actuator sizing and placement, sensor selection and placement, attitude and position guidance, rendezvous, proximity operations and docking analyses, 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, propellant slosh), and the space environment (e.g. atmospheric, solar radiation pressure, third-body gravity, geopotential)
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
Qualification
Required
Requires an active/current U.S. Government DoD Top-Secret (TS) security clearance at time of application, current and within scope, with an ability to obtain and maintain Special Access Program (SAP) approval AND Sensitive Compartmented Information (SCI) approval/access within a reasonable period of time
Level 4: (Sr Principal level) + Bachelor's degree with 8 years of relevant engineering experience - May consider an additional 4+ years of experience in lieu of a completed degree
Master's degree with 6 years of relevant engineering experience
PhD with 4 years of relevant engineering experience
Experience developing software in MATLAB/Simulink and C/C++
Experience in Guidance, Navigation, and Control (GNC) subsystem design, analysis, and testing; can include Attitude Determination and Control System (ADCS)
Preferred
Current/Active TS with SCI
MS or PhD in engineering, physics, or math
Experience with version control tools such as SVN or Git
Experience implementing spacecraft GNC algorithms on embedded systems
Strong technical fundamentals in the areas of spacecraft attitude and orbit dynamics, navigation filtering and/or control systems design
Experience with on-orbit space vehicle operations, commanding, debugging, and use of flight telemetry to track performance metrics
Experience with Rendezvous and Proximity Operations (RPO) algorithms, practices and planning strategies
Experience with performing spacecraft GNC design, analysis, Hardware (HW) and Integration & Test (I&T), or flight operations
Excellent analytical and problem-solving abilities
Previous/current membership or leadership roles in professional groups, clubs, or extracurricular activities are desired
Benefits
Health insurance coverage
Life and disability insurance
Savings plan
Company paid holidays
Paid time off (PTO) for vacation and/or personal business
Company
Northrop Grumman
Northrop Grumman is an aerospace, defense and security company that provides training and satellite ground network communications software.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$3.7BKey Investors
U.S. Department of DefenseNASA
2025-05-27Post Ipo Debt· $1B
2024-01-29Post Ipo Debt· $2.5B
2023-12-20Grant· $72M
Leadership Team
Tom Wilson
Corporate Vice President, Enterprise Business Development
Jeffrey Worsham
Chief Product Owner - Advanced Technology Development
Recent News
2026-02-06
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