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Atomistic Modeling of Materials for Quantum Computing - Postdoctoral Researcher
Postdoctoral/Fellowship | livermore, CA | 09/13/2023
Job Code: PDS.1 Post-Dr Research Staff 1
Organization: Physical and Life Sciences
Position Type: Post Doctoral
Security Clearance: None/Position does not require US citizenship (assignments longer than 179 days require a federal background investigation)
Drug Test: Required for external applicant(s) selected for this position (includes testing for use of marijuana)
Medical Exam: Not applicable
Company Description
Join us and make YOUR mark on the World!
Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.
We are committed to a diverse and equitable workforce with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, experiences, and perspectives. This is important for continued success of the Laboratory’s mission.
Pay Range
$108.840 Annually
Job Description
We have an opening for a Postdoctoral Researcher to conduct research on atomistic modeling of defects, disordered materials, and interfaces in qubit devices. Focus areas include calculating defect levels in semiconductors towards understanding charge noise in SiGe quantum dot qubits and conducting computational searches for the atomistic origins of loss in disordered Josephson junction structures for superconducting qubits. You will work closely with a multidisciplinary team in support of projects that aim to better understand the role of materials in quantum device coherence. This position is in the Quantum Simulations Group of the Materials Science Division.
You will
- Perform electronic structure theory-based simulations of SiGe quantum dot and Josephson junction device materials and interfaces.
- Perform sophisticated searches for local minima and barriers in potential energy surfaces in disordered materials using forces calculated with both density functional theory and machine learning developed potentials.
- Perform simulations of tunneling in Josephson junction structures.
- Develop structure-composition-property relationships for optimizing quantum device stability and coherence using statistical, analytical, and/or machine learning methodologies.
- Contribute to and actively participate in the conception, design, and execution of research to address defined problems.
- Collaborate with computational and experimental scientists in a multidisciplinary team environment to accomplish research goals.
- Pursue independent but complementary research interests and interact with a broad spectrum of scientists internally and externally to the Laboratory.
- Document research, publish papers in peer-reviewed journals, and present results within the DOE community and at conferences/technical meetings.
- Perform other duties as assigned.
Qualifications
- Ph.D. in Materials Science, Chemistry, Physics, or a related field.
- Experience in the application of density functional theory to simulations of defect levels in semiconductor materials and/or properties of disordered structures and interfaces.
- Experience performing ab initio simulations on high-performance computing environments.
- Ability to work independently on technical tasks, influence technical objectives, to provide in depth analysis, and develop unique technical solutions.
- Ability to develop independent research directions and describe results effectively in published peer-reviewed literature.
- Proficient verbal and written communication skills to collaborate effectively in a team environment, prepare written reports and present and explain technical information.
- Interpersonal skills necessary to interact with a diverse set of scientists, engineers and other technical and administrative staff in a collaborative, multidisciplinary team environment.
Qualifications We Desire
- Additional experience in at least one of the following methods: GW/BSE calculations, XAS/XES simulations, hybrid functionals, or tunneling calculations
- Experience with calculations involving spin-orbit coupling
- Experience with molecular dynamics, Monte Carlo, or classical force field simulations.
- Experience in developing multiscale models.
Additional Information
All your information will be kept confidential according to EEO guidelines.
Position Information
This is a Postdoctoral appointment with the possibility of extension to a maximum of three years, open to those who have been awarded a PhD at time of hire date.
Why Lawrence Livermore National Laboratory?
- Flexible Benefits Package
- 401(k)
- Relocation Assistance
- Education Reimbursement Program
- Flexible schedules (*depending on project needs)
- Inclusion, Diversity, Equity and Accountability (IDEA) - visit https://www.llnl.gov/diversity
- Our core beliefs - visit https://www.llnl.gov/diversity/our-values
- Employee engagement - visit https://www.llnl.gov/diversity/employee-engagement
Security Clearance
None required. However, if your assignment is longer than 179 days cumulatively within a calendar year, you must go through the Personal Identity Verification process. This process includes completing an online background investigation form and receiving approval of the background check. (This process does not apply to foreign nationals.)
Pre-Employment Drug Test
External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.
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We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.
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