Johns Hopkins Applied Physics Lab

Spacecraft Navigation & Timing Engineer

Johns Hopkins Applied Physics Lab$105K — $290K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • MS in Aerospace Engineering, Computer Science, or related field required.
  • Significant coursework in astrodynamics, optimization, relativistic timing, and navigation techniques.
  • At least 4 years of experience in spacecraft timing, navigation, or a rigorous technical field.
  • Knowledge of GPS, weak signal GNSS, and time transfer techniques preferred.
  • Skilled in C++, Fortran, MATLAB, Python, or Java for analytical computing.
  • Must obtain a TS/SCI security clearance; U.S. citizenship required.

Responsibilities

  • Lead and support time synchronization efforts for cislunar and lunar missions.
  • Develop analyses and software for lunar time reference systems.
  • Provide intellectual leadership for emerging mission concepts.
  • Collaborate across engineering disciplines, scientists, and program managers.
  • Contribute to innovative time transfer and navigation methodologies through R&D.
  • Build relationships within industry and academia for problem-solving.
  • Stay updated on advancements in academia and industry to apply insights effectively.

Benefits

  • Opportunity to work on cutting-edge projects impacting space exploration.
  • Collaborative and supportive work environment fostering innovation.
  • Engagement in both civil and national security space missions.
  • Professional development opportunities through IR&D funding.
  • Contributions to significant global challenges in timekeeping and navigation.
Full Job Description
Description

Our spacecraft reach the extremes of the solar system, from Parker Solar Probe at the Sun, New Horizons at Pluto and beyond, and everything in between. Whether it is developing the next Jovian moon tour, calculating an optimal low-thrust trajectory, helping to coordinate time between vehicles in cislunar space, or applying modern scientific computing to radiometric navigation, there is a wellspring of intellectually rewarding challenges for the right candidate.

We are seeking a self-motivated engineer who will lead and participate with our growing team of PNT specialists focusing on time transformation, synchronization, and dissemination, engaged in developmental efforts beyond geostationary orbits into the cislunar region of space, and ultimately to the lunar surface, and beyond. This effort may support both the civil space and national security space mission areas, from conception to flight. You will have the opportunity to support both pre-launch developmental design efforts through post-launch optimization and analysis. Contributing directly to our continuously evolving code-base and individually pursuing IR&D funding, you will work with our team to ensure that APL is on the cutting edge of PNT. 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 PNT subject matter expert...
  • Your primary responsibility will be supporting efforts to improve timing onboard spacecraft or surface landers for cislunar, lunar and interplanetary missions for both civilian and DoD applications.
  • Help to develop analyses, software, and hardware that can be used provide traceability of time in the region and surface of the moon; to establish a Coordinated Lunar Time (LTC) to be referenced back to Coordinated Universal Time (UTC). Exposure to timing analysis based on a relativistic framework is a plus.
  • You will provide intellectual leadership to emerging mission concepts and methods of analysis.
  • You will hold a vital role on projects while working across teams composed of experts in other engineering disciplines, scientists, and program managers.
  • You will be expected to contribute to cutting edge time transfer and navigation methodologies through independent and directly funded research and development.
  • You will be expected to leverage and garner relationships across industry and academia to tackle our most critical challenges.
  • You will be required to stay abreast of recent advances in academia and industry and apply these concepts to problems of interest.


Qualifications

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

  • Possess a MS in Aerospace Engineering, Computer Science or related field.
  • Have significant coursework in the astrodynamics, optimization and estimation, relativistic timing, mathematics, navigation techniques, and/or computer science.
  • Have at least 4 years of experience in spacecraft timing, navigation, or another rigorous technical field.
  • Possess or are willing to acquire knowledge of GPS, relativistic, weak signal GNSS, and time transfer techniques.
  • Are skilled in analytical and numerical computing, such as C++, Fortran, MATLAB, Python, and/or Java.
  • Are willing and able to obtain a TS/SCI 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. citizenship.


You 'll go above and beyond our minimum requirements if you...

  • Possess a PhD in Aerospace Engineering, Computer Science or related field.
  • Have at least 10 years of experience in spacecraft timekeeping, navigation, or another rigorous technical field.
  • Have direct experience with coordinated timekeeping for distributed spacecraft constellations or missions beyond GEO.
  • Have experience participating in agile software development projects involving many stake holders.
  • Have experience in common astrodynamics software environments such as Monte, STK, ODTK, FreeFlyer, or GMAT.
  • Possess an active Top Secret clearance (or above).
  • Have possessed and are familiar with network access to DoD related systems.


#LI-KW1

Minimum Rate

$105,000 Annually

Maximum Rate

$290,000 Annually

About Johns Hopkins Applied Physics Lab

The Johns Hopkins University Applied Physics Laboratory (APL) is a research and development organization that provides solutions to national security and scientific challenges. The laboratory was founded in 1942 and is located in Laurel, Maryland. APL is a division of the Johns Hopkins University and is a not-for-profit organization. The laboratory has expertise in a variety of areas, including space exploration, national security, and healthcare.
Learn more about Johns Hopkins Applied Physics Lab
Size
7,000 employees
Industry
Founded
1942

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