Contribute to the first principles problem formulations, algorithm development, systems designs, software implementations, and collection methods for specialized geodetic survey applications, drawing on expertise in fields such as physics, gravimetry, astronomy, global navigation satellite systems (GNSS), terrestrial survey instrumentation, and estimation theory.Accrue and apply knowledge of global reference frame determination, multi-space geodetic techniques, metrology, geophysical phenomena, orbit determination, GNSS signals, and statistical estimation to address a range of specialized geodetic applications. Design experiments and corresponding analyses to gauge systems' performance, and develop recommendations to effect improvements. Implement software algorithms in C++ and Python in a collaborative environment. Work closely with team members to define interfaces between program components. Document implementations thoroughly and clearly. Define, implement, and execute test cases for program functions.Participate in project reviews and technical interface meetings to present designs, test results, and analyses to sponsors and other external organizations. Publish work in scientific journals and present work at conferences.Provide guidance and assistance to other full time employees and student employees.Document progress and completion of work.Provide technical assistance to users. Document and address bug reports.Further develop knowledge of geodesy, geodetic survey principles, astronomy, estimation theory, C++ and Python, and software development principles.Other related functions as assigned.