Northrop Grumman Innovation Systems Careers

Principal Aerospace Engineer

Dulles, VA
Engineering and Sciences

Job Description

Job ID: JEZ20181902-43973

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.


Support CRS Mission with GNC and Systems requirements analysis and help understand requirements flow down to subsystems. Work with commercial requirements tool like DOORS. 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.


Required Qualifications: BS Degree in Aerospace, Mechanical or Electrical Engineering (MS degree preferred) with 7 yrs relevant experience in space industry


1) Familiarity with Rhapsody development environment

2) C/C++ programming experience

3) Proficient in Matlab, Simulink and real time work shop tool

4) Analyze requirements at subsystem level and understand requirements flow down

5) Ability to analyze control systems using time and frequency domain techniques

6) Ability to analyze and tune kalman filters for attitude determination and relative navigation

7) Experience with missions involved with rendezvous and proximity operations

8) Ability to develop subsystem and software test plans

9) Experience with Earned Value Management System


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.

Job Type: Full Time
Desired Travel: less than 25%
Years of Experience: 5-8 Years
Education: Bachelors
Expertise: Engineering
Group: Space