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Trajectory Analyst

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Filter by Date: Jun 21, 2019

Filter by Location: El Segundo, CA, US, 90245

Company: The Aerospace Corporation

Requisition ID: 45007 

All Locations: El Segundo, CA (California)  

A trusted partner. A national resource. A leader in national security space. We are THE Aerospace Corporation.  A team that takes pride in our readiness to solve some of the most complex technical challenges in existence. With challenges spanning clandestine to commercial, you’ll have the unique opportunity to work on projects that are literally evolving our nation's space and launch capabilities. We all share a common passion and aspiration – to serve a mission much bigger than ourselves.  When you join our team, you’ll be part of a rare collection of thought leaders and game-changing innovators.  Are you ready to launch your career?


Provide trajectory analysis and optimization support for spacecraft, launch, and reentry vehicles, for Earth-centric and occasionally interplanetary missions. This support will span the range of a system’s life-cycle including conceptual design/technology assessment, pre-launch support for on-contract programs, launch and on-orbit transfer phases including Mission Ops, and eventually end-of-life support. Applicants must possess good communication skills and the ability to perform/learn the Key Functions listed below to support customer needs.


Key Functions

  • Develop and apply advanced techniques for solving a variety of vehicle flight mechanics and astrodynamics (orbital mechanics) problems
  • Perform trajectory simulation and performance optimization of launch vehicles, upper stages, spacecraft, and reentry vehicles
  • Implement optimization theory to solve problems using calculus of variations approaches and/or non-linear programming techniques, as appropriate
  • Develop methodology and tools for spacecraft low thrust propulsion simulation and optimization
  • Analyze and optimize chemical propulsion, low thrust propulsion, and hybrid propulsion orbit transfers
  • Support launch vehicle ops and spacecraft orbit transfer campaigns
  • Implement scripting techniques to perform parametric studies and continuation methodologies
  • Utilize numerical methods to analyze flight mechanics problems including numerical integration, root-solving problems, and coordinate transformations


This position can be filled as a Member of Technical Staff or Senior Member of Technical Staff depending on the experience-level and qualifications. 


  • Master's degree or PhD in engineering, mathematics, physics or related field
  • Experience in one or more of the following areas: flight mechanics, trajectory modeling and simulation, orbit mechanics or optimal control
  • Proficiency in one or more of the following computer programming languages: C, C++, Fortran, Python or Matlab
  • Graduate level course work in orbital mechanics, numerical methods, and optimization
  • Must have the ability to obtain and maintain a DoD security clearance, which is issued by the U.S. government.  U.S. citizenship is required to obtain a security clearance



  • PhD in engineering, physics, mathematics or related field
  • Experience in a Unix environment
  • TS/SSBI (SCI) clearance (applicant will be submitted for this clearance upon hiring if they do not currently possess it)

Transcript Requirement

Transcripts are required for this position.


Additional Requisition Details

System Job Title: MEMBER-TECH STF 

Clearance Requirement: TS/SSBI 

Access: SCI 

Polygraph: Counter Intelligence Polygraph 

Relocation Available:  [[relo]] 

Employment Type: Regular 

Work Schedule: Full Time 


Company Statement

The Aerospace Corporation has provided independent technical and scientific research, development, and advisory services to national security space programs since 1960. We operate a federally funded research and development center (FFRDC) for the United States Air Force and the National Reconnaissance Office, and support all national security space programs. We also apply more than 50 years of experience with space systems to provide critical solutions to technologically complex systems in such areas as communications, shipping, law enforcement, and cyber, among others.

From our inception, our highly skilled technical staff has focused on ensuring the success of every mission and developing the most effective and economic space-related hardware and software in the world. Our greatest asset is the technical expertise of our people. Our state-of-the-art laboratory facilities are staffed by some of the leading scientists in the world.


Equal Opportunity Commitment

The Aerospace Corporation is an Equal Opportunity/Affirmative Action employer. We believe that a diverse workforce creates an environment in which unique ideas are developed and differing perspectives are valued, producing superior customer solutions. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, gender, gender identity or expression, color, religion, national origin, sexual orientation, protected veteran status, or disability status.

You can also review The Equal Employment Opportunity is the Law poster and the supplement, as well as the Pay Transparency Policy Statement.

Nearest Major Market: Los Angeles

Job Segment: Engineer, Chemical Research, Security Clearance, Laboratory, Aerospace, Engineering, Government, Science, Aviation