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Postdoctoral Fellow Kreidenweis-Perkins Research Team

Colorado State University

Job Description


Posting Details
Posting Detail Information


Working Title Postdoctoral Fellow Kreidenweis-Perkins Research Team
Position Location Fort Collins, CO
Work Location Position is fully in-office/in-person
Research Professional Position Yes
Posting Number 202301731AP
Position Type Admin Professional/ Research Professional
Classification Title Postdoctoral Fellows
Number of Vacancies 1
Work Hours/Week 40
Proposed Annual Salary Range 60,000-63,000
Employee Benefits
Colorado State University is not just a workplace; it’s a thriving community that’s transforming lives and improving the human condition through world-class teaching, research, and service. With a robust benefits package, collaborative atmosphere, commitment to diversity, equity and inclusion , and focus on work-life balance, CSU is where you can thrive, grow, and make a lasting impact.
  • For detailed benefit plan information for eligible employees, visit https://hr.colostate.edu/hr-community-and-supervisors/benefits/benefits-eligibility/ and https://hr.colostate.edu/prospective-employees/our-perks/ .
  • For the total value of CSU benefits in addition to wages, visit https://hr.colostate.edu/total-compensation-calculator/ .
  • For more information about why Fort Collins is consistently ranked in the top cities to live in, visit https://hr.colostate.edu/prospective-employees/our-community/ .
Desired Start Date 11/01/2023
Position End Date (if temporary)
To ensure full consideration, applications must be received by 11:59pm (MT) on 11/01/2023
Description of Work Unit
The Department of Atmospheric Science at Colorado State University is a large academic and research department in the Walter Scott, Jr. College of Engineering. We currently have nineteen faculty members, eighty graduate students, over seventy full-time researchers and postdoctoral fellows, and an outstanding and dedicated support staff, that comprise one of the most research-active units at the university. The department conducts more than $14M in externally sponsored research each year and is nationally ranked near the top of its field.
Within the Kreidenweis/Perkins/Creamean research team, research activities focus on the nature and behavior of particulate matter in the atmosphere and its effects on atmospheric chemistry, clouds and climate. Our group conducts laboratory and atmospheric (ground-based and aircraft) measurements to characterize the physical and chemical properties of aerosols as regards their interactions with warm and cold clouds. We are also involved in modeling of processes to gain insights into long range transport and aerosol-cloud interactions. One area of focus is on understanding the sources of cloud-active particles, particularly those of biological nature and those intentionally released during cloud-seeding operations.
Position Summary
We seek to recruit a highly motivated postdoctoral researcher to work on processing samples and data from a recently concluded field campaign in the Colorado Rocky Mountains. This multi-institution field campaign was aimed at understanding complex land-atmosphere interactions in this region and their subsequent impacts on precipitation. As a part of this project, we seek to quantify annual cycles, vertical distributions, and source types of cloud-relevant aerosol populations. These will subsequently be used to analyze spatial variability of cloud-relevant aerosols and build parameterizations to be ingested into modelling experiments. This position will reside in the Department of Atmospheric Science. The successful candidate will conduct offline characterization of ice nucleating particles and will integrate aerosol, ice nuclei, cloud condensation nuclei, and meteorological data in the broader context of the objectives of this study and in coordination with the project teams and CSU PI.
The Postdoctoral Fellow will report to Dr. Russell Perkins, lead project PI, and Professor Sonia Kreidenweis.
Required Job Qualifications
  • A Ph.D. in atmospheric science (including chemical, physical and engineering science emphases), aerosol science and technology, or engineering
  • Experience with physical and chemical characterization of aerosols
  • Strong coding skills in MATLAB, Python, or a similar environment.
  • Experience writing code for analyses of large multivariate data sets
  • Publication record and demonstrated presentation skills commensurate with experience
Preferred Job Qualifications
  • Prior research experience on measuring atmospheric aerosols (sizing and composition), including aerosol size distributions.
  • Prior experience either with atmospheric science field measurements or modelling studies.
  • Prior experience working in a clean analytical laboratory environment.
Diversity Statement
Personal and professional commitment to diversity and inclusion as demonstrated by involvement in teaching, research, creative activity, service to the profession and/or diversity/inclusion activities.

Essential Duties


Job Duty Category Research and Analysis
Duty/Responsibility
  • This position will analyze samples and data collected during the recent field campaign collected at a horizontally and vertically dispersed network of measurement sites, as well as on a tethered balloon platform. CSU’s contribution is aimed at measuring atmospheric concentrations and characteristics of ice nucleating particles (INPs) and cloud condensation nuclei (CCN), including those intentionally generated through cloud-seeding and snowmaking operations. This position will involve analyses and collaborations examining aerosol composition and potential sources. Parameterizations will be developed to transfer results to modelling experiments and will take into account findings on vertical distributions drawn from spatially dispersed measurement sites. This position will involve assisting in the transfer of parameterization into models and may involve collaborative modelling efforts for a suitably qualified candidate. Duties will include:
    • Processing filter particle suspensions for immersion freezing measurements using the CSU Ice Spectrometer;
    • Processing and interpretation of aerosol observations, including size distributions, bioaerosol concentrations, and CCN distributions;
    • Analysis of aerosol spatial gradients as a function of seasonal and meteorological conditions;
    • Development of parameterizations to capture complex aerosol behaviors in the study region;
    • Coordination with collaborators to assimilate data from a variety of different analytical and modeling techniques;
    • Participation in science team meetings to develop and document mission results and case studies.
Percentage Of Time 70
Job Duty Category Publication and Presentation of Research Results
Duty/Responsibility
  • This position will be expected to publish research findings in peer-reviewed journal articles and project reports; additionally, this position will present research findings at group science team annual meetings and scientific conferences.
Percentage Of Time 30

Application Details


Special Instructions to Applicants
In your cover letter, please specifically address the required and preferred qualifications of this position. A cover letter that fails to address the required and preferred qualifications of this position may not be considered further after review by the search committee. References will not be contacted without prior notification of candidates.
Applications will be accepted until all positions are filled; however, to ensure full consideration applications should be submitted by 11.59pm, November 1, 2023.
Conditions of Employment Pre-employment Criminal Background Check (required for new hires)
Search Contact Zenaida Herrera, zenaida.herrera@colostate.edu
EEO Statement
Colorado State University is committed to providing an environment that is free from discrimination and harassment based on race, age, creed, color, religion, national origin or ancestry, sex, gender, disability, veteran status, genetic information, sexual orientation, gender identity/expression, or pregnancy in its employment, programs, services and activities, and admissions, and, in certain circumstances, marriage to a co-worker. The University will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. Colorado State University is an equal opportunity and equal access institution and affirmative action employer fully committed to achieving a diverse workforce and complies with all Federal and Colorado State laws, regulations, and executive orders regarding non-discrimination and affirmative action. The Office of Equal Opportunity is located in 101 Student Services.
The Title IX Coordinator is the Director of the Office of Title IX Programs and Gender Equity, 123 Student Services Building, Fort Collins, CO 80523-0160, (970) 491-1715, titleix@colostate.edu .
The Section 504 and ADA Coordinator is the Director of the Office of Equal Opportunity, 101 Student Services Building, Fort Collins, CO 80523-0160, (970) 491-5836, oeo@colostate.edu .
The Coordinator for any other forms of misconduct prohibited by the University’s Policy on Discrimination and Harassment is the Vice President for Equity, Equal Opportunity and Title IX, 101 Student Services Building, Fort Collins, Co. 80523-0160, (970) 491-5836, oeo@colostate.edu .
Any person may report sex discrimination under Title IX to the Office of Civil Rights, Department of Education .
Background Check Policy Statement
Colorado State University strives to provide a safe study, work, and living environment for its faculty, staff, volunteers and students. To support this environment and comply with applicable laws and regulations, CSU conducts background checks for the finalist before a final offer. The type of background check conducted varies by position and can include, but is not limited to, criminal history, sex offender registry, motor vehicle history, financial history, and/or education verification. Background checks will also be conducted when required by law or contract and when, in the discretion of the University, it is reasonable and prudent to do so.

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