Company: Johns Hopkins Applied Physics Laboratory (APL)
Posted on: November 22, 2021
Are you passionate about spacecraft Navigation?Would you love to
apply your technical knowledge and creativity to make innovative
contributions to some of the nation's cutting-edge space
missions?Are you searching for a collaborative, fulfilling work
environment?If so, we're looking for someone like you to join our
team at APL.We are seeking creative engineers to help us develop,
analyze, test, and deliver spacecraft Navigation systems and
analysis algorithms for both Civil Space (NASA/NOAA) and National
Security Space missions. Our spacecraft reach the extremes of the
solar system, from Parker Solar Probe at the Sun, formation flying
missions and assured PNT at Earth, New Horizons at Pluto, and now
Dragonfly at Titan. We would love to have you apply your talents to
our challenges. As a member of our team, you will contribute to the
development of some of our nation's most critical space missions,
joining an industrious team of engineers who strive to deliver
game-changing solutions. You will have the opportunity to support
both pre-launch spacecraft development and post-launch operations
performance analysis and system updates. We are passionate about
our work, striving to cultivate an environment of partnership and
collaboration, and committed to making critical contributions to
critical challenges.As a Navigation Engineer...
- Your primary responsibility will be assisting in the design,
development, and delivery of the Dragonfly Mobility Navigation
- You will work closely with other navigation engineers and the
Dragonfly mobility team to create a system design that both meets
science mission objectives and navigation requirements.
- You will assist with the integration and test of spacecraft
through scenario testing and data analysis.
- You will support spacecraft operations through processing of
optical navigation and lidar data to compute the lander postion on
the surface of Titan.
- You will develop navigation analysis tools for pre- and
- You will also be responsible for assisting in the design,
development, and delivery of other Navigation subsystems. For
- Pursuing Independent Research and Development (IR&D)
efforts to define and prototype the next generation of Positioning,
Navigation, and Timing (PNT) systems.
- Innovating our GPS receiver and onboard orbit determination
Extended Kalman filters for various Earth orbiting spacecraft.
- Implementing, testing, and analyzing navigation algorithms:
Extended Kalman filters, batch estimators, particle filters, sigma
point filters, etc.
- Use commercially available tools such as ODTK and STK to
determine a spacecraft's state as a function of time.
- Implementing optimization methods such as: quasi-Newton,
Linear/Quadratic Programming, Genetic Algorithm, and
Levenberg-Marquardt, on a variety of studies.
- Implementing navigation algorithms in real-time embedded
software using SIMULINK and C/C++.
- Contribute directly to our continuously evolving code-base and
navigation capabilities.QualificationsYou meet our minimum
qualifications for the job if you...
- Possess an MS in Aerospace or Electrical Engineering or related
- Have experience in Extended Kalman filters and other Bayesian
Estimation or target trackers,.
- Are skilled in analytical and numerical computing software,
such as MATLAB and C/C++.
- Are eager to learn new concepts and apply them to develop novel
technologies for spacecraft PNT.
- Are able to obtain a Top Secret security 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.
- 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 go above and beyond our minimum requirements if
- Possess a PhD in Aerospace or Electrical Engineering or related
- Have spacecraft mission experience in either design, analysis,
development, testing, or operations of navigation subsystems.
- Even more desirable is previous work in on optical (image) and
lidar assisted navigation systems.
- Have previous experience or significant coursework on the
design, implementation, and optimization of embedded software.
- Have previous experience in the design, analysis, and
development of navigation systems for interplanetary
- Able to implement and analyze image processing and lidar
navigation techniques: Terrain-Relative Optical Navigation and
hazard detection, such as those used on ALHAT (Autonomous Landing
and Hazzard Avoidance Technology).
- Have experience with GPS and GNSS, especially for spacecraft
- Are able to obtain a TS/SCI security 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
Keywords: Johns Hopkins Applied Physics Laboratory (APL), Baltimore , Navigation Engineer, Engineering , Laurel, Maryland
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