Physicist
Company: Puyenpa Services LLC
Location: Sterling
Posted on: May 12, 2022
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Job Description:
Become an integral part of a diverse team. Puyenpa LLC, is
currently seeking an experienced, motivated, career and
customer-oriented Physicist to join our team.
Location: Sterling, VA.
Education: Must have a PhD in nuclear, fusion or condensed matter
physics with at least 3 years of postdoctoral experimental
experience or industry experience as principal scientist,
preferably AMO, vacuum science, or other field utilizing
single-particle detection methods and spectroscopy.
Clearance : U.S. Citizens Only who have resided in the US for the
past 5 years. Must be able to obtain a CBP SSBI clearance with
DHS.
Description: Looking for a highly resourceful and motivated
candidate who is hands-on in three areas: low energy nuclear
physics, data scientist, and development SME on program in
providing services to DHS/CBP. The candidate will have experience
working on and managing small projects in a research group, hands
on with building equipment and software, electronics, and
mechanical design.
The candidate will serve as project(s) leader and mentor to
assigned scientists and developers, determines project scope,
timelines, and implementation details.
Candidate also:
--- Liaises with external government entities (client and support
organizations). Invents and implements
methods and algorithms for threat determination and failure
analysis.
--- Writes and reviews code to accomplish mission goals.
--- Gives input on staffing levels and allocation.
--- Reviews changes requests and proposals; strategizes future
operations.
--- Must be able to develop a clear vision of projects and move
quickly to build proof of concept.
--- Must have demonstrated professional experience in analytic
technical writing.
--- Excellent oral communicator with significant public speaking
experience.
Qualifications:
--- Understanding of common modes of nuclear detection,
particularly scintillation, proportional counting, and
multi-channel analysis.
--- Understanding of modes of nuclear decay and spectral signatures
of each type.
--- Knowledge of nuclear technology, including reactors and
threats.
--- Knowledge of X-ray (MeV energy) imaging of large objects is
plus.
--- Mastery of Python, including software design, implementation in
built in classes and data structures.
--- Experience with common scientific toolsets using
Pandas/NumPy/SciPy/Sci-Kit Learn and Jupyter.
--- Knowledge of Keras/TensorFlow or Torch greatly preferred.
--- Mastery of systems level, object-oriented languages, including
at least one of C++, C#, or Java.
--- Deep knowledge of data structures and algorithms, operating
systems, and low-level computer science.
--- Familiarity with unit and integration testing schemes, version
control (Git), and modern front-end web
technologies like React, Angular, Vue, JQuery, and RxJs.
--- Proficiency with database querying in SQL, including knowledge
of indexing/partitioning and paging methods, aggregation, and
performance tuning. Familiarity with Data Access Object pattern and
object-relational mappers such as SQLAlchemy, Django, Hibernate, or
Entity Framework.
--- Expert in probability, statistics, and analysis; to include
classical statistics and hypothesis testing, Bayesian methods,
ANOVA, regression analysis, Fourier and wavelet analysis,
time-series analysis, and generalized linear models.
--- Knowledge of common machine learning techniques (random
forests, support vector machines, neural
networks, Markov models) and associated numerical techniques
(gradient descent, backpropagation,
sampling, Markov Chain Monte Carlo, regularization techniques).
Puyenpa is committed to hiring and retaining a diverse workforce.
We are proud to be an Equal Opportunity/Affirmative Action
Employer, making decisions without regard to race, color, religion,
creed, sex, sexual orientation, gender identity, marital status,
national origin, age, veteran status, disability, or any other
protected class. At Puyenpa, we know that diversity makes us
stronger. We are committed to a collaborative, inclusive
environment that encourages authenticity and fosters a sense of
belonging.
Keywords: Puyenpa Services LLC, Sterling , Physicist, Other , Sterling, Virginia
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