Summer Research Assistant

Pasadena, California, US on site Until 8/21/2026 First posted May 26, 2026 Last posted May 26, 2026
Job description

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 individuals who are passionate about their work. Join us and be a part of the diverse Caltech community.


Job Summary

Caltech Optical Observatories (COO) is seeking a talented research assistant to join its Optical and Infrared (OIR) Instrumentation group as an occasional employee.

The OIR group designs, fabricates, and commissions advanced astronomical instrumentation for Palomar, Keck, and Thirty Meter Telescope Observatories. The qualified assistant will perform a variety of general laboratory support functions in support of the manufacture of opto-electro-mechanical instrument systems as part of a manufacturing team.

Key activities may include, but are not limited to, optical fiber testing and maintenance, as well as alignment, adhesive bonding, cleaning, baking, and polishing of optical elements.  The successful candidate will be part of a team responsible for incoming material inspection and inventory management.  Continuous learning and exhibition of problem-solving skills are essential.   Support and training will be provided by astronomical instrument engineers and observational scientists, with whom strong communication skills are necessary.

This position is based on the Caltech University campus in Pasadena, California.  

Essential Job Duties

  • Fiber optic routing, bonding, inspection, polishing, and testing
  • Optical element inspection, test, and integration into functional assemblies
  • Ultrasonic cleaning and vacuum oven baking for component outgassing
  • Working knowledge of electronics diagnostics, multimeter, and oscilloscope operation
  • Maintenance of a clean and safe workplace
  • Perform other related duties as assigned

Basic Qualifications

  • Completion or current enrollment in the following coursework: Calculus, Physics
  • Basic understanding of Mechanics, Computer Science, Physics, and Astronomy
  • Basic skills in Python, Java, and MATLAB

Preferred Qualifications

  • Intellectual curiosity and effective communication skills in a team environment
  • Light mechanical or electrical shop experience
  • Familiarity with proper use of digital multimeters, oscilloscopes, handheld metrology tooling, and/or benchtop microscopes

Required Documents

  • Resume
  • Cover Letter
About this role

Summary

Assist with optical and mechanical testing, assembly, and inspection for astronomical instruments.

Job title

Summer Research Assistant

Experience level

enrollment in physics, calculus coursework

Industry

science

Location requirements

Pasadena, California, with no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

PythonJavaMATLABmultimeteroscilloscope

Preferred skills

mechanicalelectricalmetrology

Specializations

optical fibersoptical elementslaboratory supportinstrumentation
Locations

Structured locations inferred from the posting.

Pasadena, CA, USA

On-site City