Northrop Grumman Innovation Systems Principal Aerospace Engineer in Dulles, Virginia

Principal Aerospace Engineer

Locations:Dulles, VA

Categories: Engineering and Sciences

Job Description

Job ID:JEZ20181903-44522

At 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 Innovation Systems designs, builds and delivers space, defense and aviation-related systems to customers around the world. Our main products include launch vehicles and related propulsion systems; missile products, subsystems and defense electronics; precision weapons, armament systems and ammunition; satellites and associated space components and services; and advanced aerospace structures.


Lead a team of GNC engineers to accomplish spacecraft attitude control systems analysis, test, design and/or development. Support Mission with GNC and systems requirements analysis and help understand requirements flow down to subsystems. Work with Systems Engineering and program management and understand mission level requirements and manage risks. Manage budget and schedule on special projects. Perform hardware trades and work with suppliers. Develop pointing and knowledge budgets. Participate in GNC subsystem design and software requirements review, preliminary and critical design reviews, integration readiness review and GNC design and software acceptance reviews. Design and develop complex GNC algorithm and software systems, including design, coding and testing. Develop orbit and attitude guidance laws and analyze them using traditional and Monte Carlo analysis method. Analyze and develop delta-v control systems. Analyze and design rendezvous and docking systems for close proximity (RPO) operations. Formulate and design GNC software system, using scientific analysis and mathematical models to predict and measure outcome and consequences of the design. Develop test plans in different test platforms in conjunction with Systems teams. Make frequent contacts with customers both internal and external concerning design and maintenance of GNC software. Represent the company in providing solutions to difficult technical problems associated with specific projects. Analyze GNC algorithm and software requirements to determine feasibility of design within time and cost constraints. Support proposal efforts and present GNC analysis, test and design of software. Coordinates installation of GNC algorithm and software system and the engineering configuration management software changes/development. Performs other duties as assigned or required.

Education and Experience

Top Secret Security Clearance required with a valid background investigation

Requires BS in Engineering & 7 years or Masters in Engineering & 5 years or PhD & 2 years.

Preferred candidate would possess:

  • Technical Leadership: Earned Value Management System, development of subsystem and software test plans, development and analysis of GNC requirements.

  • Programming: Matlab and Simulink, C/C++, Python

  • Requirement tools: Doors, Cradle

  • Control Systems Analysis: time and frequency domain techniques, linear and non-linear control design, covariance analysis, design and tuning Kalman filters for attitude determination and relative navigation.

  • Modeling: sensor models (star tracker, gyro, accel, GPS, magnetometer, sun sensors), actuators (reaction wheel, torque bar, thruster, CMG), equations of motion (rigid body, multi-body, orbit mechanics, flexible models, environmental disturbances), environment (time, eclipse, ECF and LVLH frames)

  • Experience with missions involved with rendezvous and proximity operations

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 U.S. Citizenship is required for most positions.

Job Type:Full Time

Desired Travel:less than 25%

Years of Experience:5-8 Years