Job Opportunities

Assistant Researcher

Conduct research on the analysis of remote sensing data from JPL’s California Laboratory for Atmospheric Remote Sensing (CLARS). Primary duties involve using CLARS data on greenhouse gases (CO2, CH4) and pollutants (CO, aerosols) to develop and validate techniques for estimating spatially- and temporally-resolved GHG emissions in the Los Angeles basin and determining emissions trends from the data. Additionally, the successful candidate will develop new algorithms for processing other CLARS data sets including CO, water vapor and aerosols.

Required qualifications include: PhD in Atmospheric Physics, Atmospheric Chemistry or a related field. Familiarity with methods for retrieval of atmospheric trace gases and aerosols from spectroscopic data.

Salary: $72,800/year

Jobsites: Los Angeles and Pasadena, CA

Apply online at: https://recruit.apo.ucla.edu/apply/JPF04226

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The University of California is an Equal Opportunity/Affirmative Action Employer advancing inclusive excellence. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, or other protected categories covered by the UC nondiscrimination policy. UC Nondiscrimination & Affirmative Action Policy
Please be advised that the final candidate recommended for hire into a critical (or otherwise designated) position will be required to successfully complete a background investigation. Any convictions will be evaluated to determine if they directly relate to the responsibilities and requirements of the position. Having a conviction history will not automatically disqualify an applicant from being considered for employment.
UCLA is a Tobacco-Free environment. For more information, please view the policy at Tobacco-Free Campus Policy

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Post-Doctoral Research Scientist – Global Biogeochemical Cycle Modeling 
University of California, Los Angeles (UCLA) and NASA’s Jet Propulsion Laboratory (JPL) 


Among the top priorities for climate and land surface model developments is nutrient cycling, i.e., how nutrients regulate plant productivity, and how plants obtain nutrients through dynamic symbioses such as fungi. These dynamics play out in an intricate economic structure whereby plants “pay” with carbon for nutrients from different potential sources, and the carbon “cost” is continuously changing based on nutrient supply and demand. We have recently made cutting-edge developments in our ability to measure and model these processes, advancing global ecosystem and biogeochemical cycle modeling. 
We have an open post-doctoral research scientist position on global biogeochemical cycle modeling, leveraging our recent advances onecosystem and plant-soil carbon-nutrient interactions and feedbacks. The postdoc will work within a global land surface model (e.g., CLM, ELM/E3SM), and integrate the newly developed sub-models of plant-soil nitrogen and phosphorus cycles, testing the impacts, sensitivities, and tipping points at the global scale. The postdoc will lead multiple first-author, high profile publications. 
The position is supported by the Department of Energy through UCLA, in collaboration with Indiana University, West Virginia University, University of Arizona, Oak Ridge National Laboratory, and NASA’s Jet Propulsion Laboratory (JPL) at the California Institute of Technology (Caltech). The postdoc will be located at JPL with Dr. Joshua Fisher’s team as part of the Carbon Cycle & Ecosystems Group in beautiful Pasadena, California. The postdoc will have the opportunity to interact and collaborate with a multitude of exciting remote sensing and modeling work at JPL and UCLA. Salary/benefits are based on UCLA’s salary/benefitsstructure, and are commensurate with experience. Coverage of relocation costs may be possible. We strive for an inclusive work environment where diversity is valued, and individuals and teams are inspired to contribute fully to the organization’s success. Women and minorities are especially encouraged to apply. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, disability status, or any other characteristic protected by law.  

Qualifications: 

  • Experience working in an ecosystem, land surface, and/or climate modeling environment.
  • Strong computer programming skills (e.g., Fortran, C++, Python).
  • Interest and experience in the environment, plants, and climate.
  • Multiple scientific papers published or in preparation/review.
  • Ph.D. in environmental science, modeling, engineering, computer science, or related field.

To apply, send a cover letter ([Surname] – cover letter.pdf) to Dr. Joshua Fisher (jbfisher@jpl.nasa.gov) detailing how your background fits this project description, and your cv ([Surname] – cv.pdf). 

Background reading: 

•    Shi, M., Fisher, J.B., Brzostek, E.R., Phillips. R.P., 2016. Carbon cost of plant nitrogen acquisition: global  carbon  cycle  impact  from  an  improved  plant  nitrogen  cycle  in  the  Community  Land Model. Global Change Biology 22(3): 1299‐1314.
•    Brzostek,  E.R., Fisher,  J.B.,  Phillips,  R.P.,  2014. 
Modeling  the  carbon  cost  of  plant  nitrogen acquisition:  mycorrhizal  trade‐offs  and  multi‐path  resistance  uptake  improve  predictions  of retranslocation. Journal of Geophysical Research – Biogeosciences 119(8): 1684‐1697.

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The University of California is an Equal Opportunity/Affirmative Action Employer advancing inclusive excellence. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, or other protected categories covered by the UC nondiscrimination policy. UC Nondiscrimination & Affirmative Action Policy 
Please be advised that the final candidate recommended for hire into a critical (or otherwise designated) position will be required to successfully complete a background investigation. Any convictions will be evaluated to determine if they directly relate to the responsibilities and requirements of the position. Having a conviction history will not automatically disqualify an applicant from being considered for employment.  
UCLA is a Tobacco-Free environment. For more information, please view the policy at Tobacco-Free Campus Policy