2023 PhD Graduate - System Modeling, Evaluation, and Planning

Johns Hopkins Applied Physics Lab

Job Description


Are you passionate about applying your physics knowledge and mathematical skills to solve real world problems?


Do you love to learn about complex systems and new methods of analysis to attack difficult problems?


Do you enjoy collaborating with small teams?


Do you want to apply your skills toward challenging optimization and trajectory design applications?


If so, we're looking for someone like you to join our team at APL.


We are seeking Weapon System Analysts to help us evaluate the system-level accuracy of the nation's most significant strategic deterrents. Additionally, we are also looking for engineers to aid in development of flight software for current and future systems.


As an analyst in the System Modeling & Estimation group you will...

  • Evaluate the accuracy performance of submarine launched and intercontinental ballistic missiles using modeling and estimation techniques
  • Assess accuracy and other performance characteristics using actual representative flight test data
  • Learn about inertial navigation with accelerometers and gyroscopes and apply your physics knowledge to understand how such instruments contribute to system accuracy
  • Learn about the use of gravity models by the weapon system and apply your physics background to quantify system inaccuracy due to errors in those gravity models
  • Conduct system engineering investigations and special studies of accuracy concerns
  • Develop and implement state-of-the-art approaches to optimal control on board future weapon systems
  • Innovate and implement statistical estimation and physics-based analysis methodologies to meet emergent needs


You meet our minimum qualifications for the job if you...

  • Possess a PhD in applied math, applied statistics, physics, engineering, or a closely related field
  • Are skilled in statistical estimation, quantitative evaluation, and physics-based modeling,
  • Are also skilled in scientific programming using a high-level language, such as C++, MATLAB, or Python
  • Are interested in learning about guidance, navigation, and control systems and their sources of error.
  • Possess outstanding written and oral communication skills
  • Effectively collaborate with all levels of staff, external collaborators and sponsors
  • Are willing and able to occasionally travel to meetings and sponsor sites
  • Are able to acquire an Interim Secret level security clearance by your start date and can ultimately acquire a final Top Secret level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship
  • Can demonstrate that you are fully vaccinated against COVID-19. To ensure the safety and well-being of the community, APL has established a policy requiring that all staff be vaccinated against COVID-19. All staff members must provide proof of full vaccination or have an approved medical or religious accommodation by their start date.


You 'll exceed our minimum requirements with experience in any of the following...

  • Maximum likelihood estimation using Fisher information
  • Kalman filtering
  • SLBM or ICBM weapon system accuracy analysis
  • Aided inertial navigation error analysis
  • Interdisciplinary skills in math, physics, statistics, and computer science
  • Optimal control, numerical optimization, and trajectory design
  • Hold an active Secret or higher level clearance


Why work at APL?

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.


At APL, we celebrate our differences and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL’s campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at www.jhuapl.edu/careers.

About Us

APL is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law.


APL is committed to promoting an innovative environment that embraces diversity, encourages creativity, and supports inclusion of new ideas. In doing so, we are committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact Accommodations@jhuapl.edu. Only by ensuring that everyone’s voice is heard are we empowered to be bold, do great things, and make the world a better place.

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