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Job description
Applied Physical Sciences (APS) is looking for a highly motivated Physical Scientist to join the Concord, MA team in a part-time, on-call (PTOC) position.
Successful candidates will have a PhD in theoretical physics, expertise in inverse theory or tomography, and will support the development of state-of-the-art technologies for tomographic imaging with irregular experiment apertures, with a special emphasis on exploitation of high energy X-rays.
APS works on exciting, technically challenging, cutting-edge technologies that will expose candidates to a wide variety of multidisciplinary fields, providing a stimulating environment with considerable opportunity for collegial interaction. At APS you will work in a small company environment where technical excellence is rewarded and an entrepreneurial spirit is encouraged, and you will have the chance to work directly with colleagues and customers that value innovation and creativity.
Responsibilities
(~80%) Theoretical modeling of x-ray interaction physics, development of X-ray inversion paradigms for highly challenging experiment scenarios, rigorous characterization of the fundamental information limits of X-ray imaging.
(~20%) Software implementation of processing and modeling techniques, numerical execution of synthetic inversion experiments, display and quantification of model uncertainty
Required Attributes and Skills
PhD in theoretical physics, and expertise in modeling and inversion of X-ray data
Subject matter expertise in one or more of the following: advanced numerical optimization, statistical methods, experiment design optimization, GPU-based computing
Extensive experience with computational methods and programming for modeling physical phenomena and processing of real data e.g., (Matlab, Python, PyTorch, or Fortran)
Exceptional communication skills (written and oral) for technical documentation and reviews with customers
Desired Attributes and Skills
Professional experience of 10+ years in DoD or related industry, a strong publication history in refereed technical journals, and a track record of successful performance on research programs under DARPA, IARPA, NAVSEA or ONR sponsorship is preferred.
Experience as principal investigator working on advanced R&D programs
Demonstrated technical leadership in modeling and simulation
Expertise in one or more of the following: mathematical physics, model-based iterative methods for x-ray tomography, Monte-Carlo radiative transport methods for Bremsstrahlung modeling, advanced numerical optimization techniques involving both continuous and discrete variables, regularization methods, uncertainty quantification using the Fisher Information Matrix and the Cramer-Rao Bound, and multi-objective optimization.
Experience presenting talks at technical conferences
Position Details
This is a part-time on-call position open in the Concord, MA office. APS, a wholly owned subsidiary of the General Dynamics Corporation, offers competitive salaries, excellent benefits, and comfortable working conditions.
Security Clearance
Candidates must possess or be able to obtain a Top Secret DOD security clearance. Please note, obtaining a security clearance is a condition of employment which typically requires US citizenship and a thorough background investigation.
Equal Employment Opportunity
EOE: Vet/Disability
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Who can apply
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