New

ZTF Pipeline Operator

California Institute of Technology
vision insurance, parental leave, paid time off, sick time, tuition reimbursement
United States, California, Pasadena
Aug 18, 2025
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 The Physics, Math and Astronomy Division (PMA) at Caltech is looking for a pipeline operator to support operations of a survey telescope. This is a temporary position expected to run through the end of Fiscal Year 2026 (September 2026), with the possibility of extension through December 2026. As a Pipeline Operator, you will be part of the Science Data System team for the Zwicky Transient Facility (ZTF). We operate a computing cluster and real-time automated pipelines that process images of the night sky taken with a 640-megapixel camera on a telescope at Palomar Observatory. Our system delivers alerts to astronomers about supernovae, variable stars, asteroids, and other transient phenomena-typically within minutes of each exposure. The Pipeline Operator plays a key role in ensuring that this automated system runs smoothly, performing routine monitoring, diagnostics, and maintenance in collaboration with scientists and engineers on the Science Data System team. They also participate in searching for Near-Earth Asteroids in ZTF data. Essential Job Duties Regular tasks: Monitor observing conditions and Science Data System status Alert observatory staff of real-time data issues Monitor Solar System candidate asteroid detections and assess their validity Receive, diagnose, and resolve user-reported problems across Tier 1 (T1) and Tier 2 (T2) support levels Perform preliminary nightly data quality assurance Liaise with scientists to develop and curate data products, both on an ad hoc and regular basis Additional duties (with support from T2/T3 staff): Diagnose technical issues across operating systems, software, and network layers Apply fixes when possible Correct errors in the science database and check its integrity Prepare valid asteroid data for submission to the Minor Planet Center as ZTF discoveries Use the database to help troubleshoot system issues Identify recurring problems in data products Assist in creating and sharing data products with partners Support metadata requests and data releases Help ensure data quality We work a regular work week; however, you will sometimes need to support off-hours activities. We encourage continuing career education, and this position offers occasional opportunities to attend industry conferences and related training. Basic Qualifications Bachelor's degree or equivalent experience in Computer Science, Computer Engineering, Astronomy, Physics, Math, or a related technical field. Experience with Linux/Unix operating systems, including writing basic shell scripts. Experience writing and executing SQL queries. Strong written and interpersonal communication skills, with an emphasis on the ability to share ideas in a collaborative setting. Preferred Qualifications In addition to the basic requirements, we value a range of skills and experiences that can enhance your contributions as a pipeline operator. While none of these are mandatory, they may give you a strong start in the role: Proficiency in scripting with Perl or Bash. Familiarity with PostgreSQL. Experience submitting batch jobs on a computing cluster. Comfortable using tools like Zoom, Slack, Jira, GitHub, or Confluence. Required Documents Resume. Cover letter. Hiring Range $19.00 - $25.75 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.