New

SPHEREx Postbac Researcher

California Institute of Technology
vision insurance, parental leave, paid time off, sick time, tuition reimbursement
United States, California, Pasadena
Jun 08, 2026
Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. We thrive on finding and cultivating talented people who are passionate about what they do. Join us and be a part of the diverse Caltech community. Job Summary Produce spectral mosaic maps of the SPHEREx deep field using the data pipeline developed for the analysis of extragalactic background light fluctuations. Vary parameters in the mosaicking process that can affect the maps, such as channel filtering, removal and flagging of atmospheric signatures, edge glints, persistence, etc., and quantify their impact through statistical tests. Assist in assessing the impact of other systematics in the maps that may be identified. Essential Job Duties Learn and then operate the code used in the mosaicking pipeline. Learn and execute statistical tests including power spectra and cross-spectra on various map combinations. Present results to the larger team in weekly meetings and document progress in web postings. Basic Qualifications Bachelor's degree in physics or astronomy. Familiarity with coding, numerical methods, and statistics. Preferred Qualifications Prior experience in coding and statistics outside of coursework. Prior experience working in a research environment. Familiarity with cosmology and intensity mapping. Required Documents CV Hiring Range $19.00 - $23.00 Per Hour The salary of the finalist(s) selected for this role will be set based on a variety of factors, including but not limited to, internal equity, experience, education, specialty and training. As one of the largest employers in Pasadena, CA, Caltech is committed to providing comprehensive benefits to eligible employees and their eligible dependents. Our benefits package includes competitive compensation, health, dental, and vision insurance, retirement savings plans, generous paid time off (vacation, holidays, sick time, parental leave, bereavement, etc.), tuition reimbursement, and more. Non-benefit eligible employees will have access to some benefits such as onsite counseling and sick time. Learn more about our benefits and staff perks. EEO Statement We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, or national origin, disability status, protected veteran status, or any other characteristic protected by law. Caltech is a VEVRAA Federal Contractor. To read more Equal Employment Opportunity (EEO) go to eeoc_self_print_poster.pdf. Disability Accommodations Caltech complies with the Fair Employment and Housing Act (FEHA) and the Americans with Disabilities Act (ADA). We consider reasonable accommodation measures that may be necessary for eligible applicants and employees to perform the essential functions of a position. If you would like to request an accommodation to complete this application, interview, or otherwise participate in the employee selection process, please contact Caltech Recruiting at employment@caltech.edu. Additionally, if you do not meet the basic qualifications of a role but believe you can perform the essential functions of the job with reasonable accommodation, please reach out to Caltech Recruiting at employment@caltech.edu.