CIRES/Jimenez Research Group Post-Doctoral Researcher in Aerosol Mass Spectrometry Halogen Data

Job Summary The Cooperative Institute for Research in Environmental Sciences(CIRES) at the University of Colorado at Boulder (CU Boulder)announces a position for a Post-Doctoral Associate in the JimenezResearch Group. This postdoctoral researcher will be responsiblefor conducting data analysis of previously acquired data using anaerosol mass spectrometer (AMS) from multiple field campaigns toquantify halogen (I, Br, Cl) species in the particle phase. CU is an Equal Opportunity Employer and complies with all applicable federal, state, and local laws governing nondiscrimination in employment. We are committed to creating a workplace where all individuals are treated with respect and dignity, and we encourage individuals from all backgrounds toapply, including protected veterans and individuals withdisabilities. Who We Are CIRES is an internationally recognized leader in innovative environmental science and research and is located at the University of Colorado Boulder. At CIRES, more than 900 environmental science professionals work to understand the dynamic Earth system, including people’s relationship with the planet. CIRES has partnered with NOAA since 1967, and our areas of expertise include weather and climate, changes at Earth’s poles, air quality and atmospheric chemistry, water resources, solid Earthsciences, and more. Our vision is to be instrumental in ensuring asustainable future environment by advancing scientific and societalunderstanding of the Earth system. Key Responsibilities Conduct data analysis to quantify atmospheric particulatehalogens from AMS data acquired from previous field measurements(30%). Perform laboratory calibrations as needed to interpret the field observations (20%). Perform box modeling using airborne in-situ observations(10%). Finalize existing drafts of journal papers for submission toscientific journal peer-review (40%). What You Should Know This is a 4-month in-person appointment at the University ofColorado Boulder campus. Given project deliverables, candidates must be able to startwork by May 4, 2026. This position does not offer visa sponsorship. Candidates mustbe able to work full time in the U.S by the start date. This position is in-person at the University of ColoradoBoulder. Remote work will not be allowed. What We Can Offer CIRES can offer a generous compensation package. The annual hiring salary range for this position is $55,000.Salary is commensurate with education and experience and determinedbased on our CIRES internal career track classification. The University of Colorado Boulder offers a robust trainingcurriculum, opportunities for professional development and aMentorship Program. Boulder is a vibrant community withaccess to mountain parks, dog parks, miles of trails, rivers,lakes, cafes, restaurants, boutiques, theaters, museums, and sportsvenues. As an employee at CU Boulder, you will have free access to theregional public transit system, anoutstanding network of buses and light rail systems that serviceBoulder and connect to Denver, the Denver airport, and surroundingcommunities. Benefits At the University of Colorado Boulder , we are committed to supporting the holistic health and well‑being of our employees. Our comprehensive benefits package includes medical, dental, and retirement plans; generous paid time off; tuition assistance for you and your dependents; and an ECO Pass for local transit. As one of Boulder County’s largest employers, CU Boulder offers an inspiring academic community and access to world‑class outdoor recreation. Explore additional perks and programs through the CU Advantage program. What We Require A PhD degree in chemistry. At least 5 years of experience in the measurements of halogenspecies with aerosol mass spectrometry. What You Will Need Knowledge of atmospheric chemistry. Ability to conduct calibration for Aerodyne aerosol mass spectrometer (AMS) with various types of aerosol calibrant in thelaboratory. Advanced knowledge of the Igor Pro software, includingprogramming. Ability to conduct high-resolution AMS data analysis using AMSsoftware (i.e., Squirrel and Pika). Ability to run a kinetic box model in the F0AM softwareconstrained by field in‑situ observations. Strong writing skills and data analysis skills of large datasets. Strong work ethic and interest in conducting challengingresearch on halogen chemistry with complex multiple airborne datasets. What We Would Like You to Have Experience with Aerodyne aerosol mass spectrometer (AMS). Experience with laboratory and field studies (especially onaircraft platforms). Experience with data analysis methods for mass spectrometers. Experience with box models and/or global chemical transport models. Experience with the Igor Pro software and computer programming within it. Knowledge of mechanisms of atmospheric halogen compounds. #J-18808-Ljbffr The Chronicle Of Higher Education, Inc.