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Research Associate - Theoretical X-ray Spectroscopy

Job ID

6545

Location

SLAC - Menlo Park, CA

Full-Time

Temporary

SLAC Job Postings

Position Overview:

The Chemistry and Catalysis Division at the Stanford Synchrotron Radiation Lightsource (SSRL), SLAC National Accelerator Laboratory, invites applications for a Research Associate position focused on _computational and operando spectroscopy theory_ for catalytic and electrochemical systems. This position combines advanced electronic-structure simulations, workflow development, and data-centric analysis to interpret _operando_ X-ray absorption spectroscopy (XAS) data and bridge theory with experiment.

The successful candidate will develop and apply first-principles methods to model and interpret X-ray absorption spectra of catalytic and electrochemical systems, including batteries, under realistic working conditions. A key aspect of this role will be the creation of integrated computational¿experimental workflows that convert raw experimental data into _AI-ready physical descriptors_ and interpretable insights that can ultimately support foundational and generative modeling approaches.

The position offers a unique opportunity to contribute to the multi-laboratory ISAAC initiative, one of whose goals is to transform X-ray absorption spectroscopy into a data-driven science where simulations, experiments, and physics-informed AI collectively advance our understanding of dynamic materials and interfaces. The candidate will have access to world-class computational and experimental resources at SLAC and partnered DOE facilities.

**Note** : The Research Associate role is a fixed term staff position. This is a 2-year fixed term position with the possibility of extension. Assignment duration is contingent upon project needs and funding.

Applicants must provide evidence of either a recently completed PhD degree or confirmation of completion of the PhD degree requirements prior to starting the position. Applicants should also include a cover letter, a statement of research area including brief summary of accomplishments, a curriculum vitae, a list of publications, and names of at least three references from whom letters of recommendation will form part of the application .

SLAC is a U.S. Department of Energy (DOE) laboratory operated by Stanford University and based in Menlo Park; CA.

Your specific responsibilities include:

+ Perform first-principles simulations (DFT, TDDFT, BSE) of X-ray absorption spectra for catalysts and electrochemical interfaces under realistic environments.

+ Optimize extended systems and surfaces, model adsorbates and reaction intermediates, and compute thermodynamic descriptors relevant to catalysis and battery materials.

+ Develop and automate computational workflows on high-performance computing platforms (NERSC, S3DF, Sherlock, etc.) for large-scale spectral and structural modeling.

+ Integrate theoretical modeling with _operando_ experimental data to extract interpretable, uncertainty-calibrated descriptors suitable for AI-ready databases.

+ Investigate the use of machine-learning tools for physics-informed insight extraction from simulated and experimental datasets.

+ Collaborate closely with experimental scientists to interpret high-throughput _operando_ X-ray data and guide the design of new measurements.

+ Publish research findings in high-impact journals and present results at major scientific meetings.

To be successful in this position you will bring:

+ Ph.D. in Physics, Chemistry, Materials Science, Chemical Engineering, or a related field.

+ Expertise in first-principles calculations (DFT, TDDFT) and electronic structure theory.

+ Demonstrated experience with operando X-ray absorption spectroscopy interpretation

+ Demonstrated ability to model extended systems, surfaces, and adsorbates under electrochemical or catalytic conditions.

+ Experience optimizing computational workflows and using HPC facilities for large-scale simulations.

+ Strong programming skills (Python, C++, or MATLAB) for data handling and workflow automation.

+ Proven publication record in computational spectroscopy, catalysis, or materials modeling.

In addition, preferred requirements include:

+ Familiarity with high-throughput or workflow-based simulation environments and data formats compatible with AI/ML pipelines.

+ Experience integrating theoretical and experimental datasets into structured, reusable, and AI-ready repositories.

+ Understanding of uncertainty quantification and physics-informed modeling for spectroscopy.

+ Motivation to explore hybrid approaches that combine physical theory, machine learning, and generative AI.

SLAC employee competencies:

+ Effective Decisions: Uses job knowledge and solid judgment to make quality decisions in a timely manner.

+ Self-Development: Pursues a variety of venues and opportunities to continue learning and developing.

+ Dependability: Can be counted on to deliver results with a sense of personal responsibility for expected outcomes.

+ Initiative: Pursues work and interactions proactively with optimism, positive energy, and motivation to move things forward.

+ Adaptability: Flexes as needed when change occurs, maintains an open outlook while adjusting and accommodating changes.

+ Communication: Ensures effective information flow to various audiences and creates and delivers clear, appropriate written, spoken, presented messages

+ Relationships: Builds relationships to foster trust, collaboration, and a positive climate to achieve.

Physical requirements and Working conditions:

+ Consistent with its obligations under the law, the University will provide reasonable accommodation to any employee with a disability who requires accommodation to perform the essential functions of his or her job.

Work standards:

+ Interpersonal Skills: Demonstrates the ability to work well with Stanford colleagues and clients and with external organizations.

+ Promote Culture of Safety: Demonstrates commitment to personal responsibility and value for environment, safety and security; communicates related concerns; uses and promotes safe behaviors based on training and lessons learned. Meets the applicable roles and responsibilities as described in the ESH Manual, Chapter 1¿General Policy and Responsibilities: http://www- group.slac.stanford.edu/esh/eshmanual/pdfs/ESHch01.pdf

+ Subject to and expected to comply with all applicable University policies and procedures, including but not limited to the personnel policies and other policies found in the University's Administrative Guide, http://adminguide.stanford.edu

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+ Title Classification: Research Associate

+ Job Code: 0127, Grade G

+ Duration: 2-year fixed term

The expected pay range for this position is $70,000- $100,000 per annum. SLAC National Accelerator Laboratory/Stanford University provides pay ranges representing its good faith estimate of what the university reasonably expects to pay for a position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, internal equity, geographic location and external market pay for comparable jobs.

SLAC National Accelerator Laboratory is an Affirmative Action / Equal Opportunity Employer and supports diversity in the workplace. All employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, marital or family status, sexual orientation, gender identity, or genetic information. All staff at SLAC National Accelerator Laboratory must be able to demonstrate the legal right to work in the United States. SLAC is an E-Verify employer.