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Caltech Research Jobs in California (NOW HIRING)

Caltech

Mechanical Engineer

Pasadena, CA · On-site

Provide mechanical engineering support of Caltech's astronomical instrumentation program, from conceptual design through commissioning, delivering sophisticated research instruments on major ...

Caltech

Assistant Director of Stewardship

Pasadena, CA · On-site

... research, and scholarship in perpetuity. Reporting to the Director of Stewardship, the Assistant Director of Stewardship is charged with supporting Caltech's comprehensive donor-centric stewardship ...

Caltech

Special Response Officer/EMT

Pasadena, CA · On-site

$19.75 - $26/hr

Caltech is a world-renowned science and engineering institute that marshals some of the world ... Primary response to high security labs and research facilities. * Assisting Environmental Health ...

Caltech

Security and Network Engineer

Pasadena, CA · On-site

$114K - $156K/yr

Caltech is a world-renowned science and engineering institute that marshals some of the world ... Our diverse portfolio of research archives includes multi-petabyte datasets like the NASA/IPAC ...

Caltech

Employee Relations Consultant

Pasadena, CA · On-site

Job Summary Caltech is a world-renowned science and engineering research and education institution where extraordinary faculty, students and staff seek answers to complex questions, discover new ...

Caltech

Electronics Engineer

Pasadena, CA · On-site

... Caltech observatories. * Design electronic interfaces, test-signal generators, illumination systems, and environmental controls. * Write research reports, journal articles, engineering design ...

Caltech

Electronics Engineer

Pasadena, CA · On-site

... R&D centers on the Caltech and MIT campuses. The LIGO Laboratory's mission spans a broad and vibrant array of activities related to gravitational-wave physics and astronomy, including detector ...

Caltech

Guest Relations Coordinator

Pasadena, CA · On-site

$19 - $22/hr

Caltech is a world-renowned science and engineering institute that marshals some of the world ... Work as a team with other front desk staff in researching member account numbers to reconcile guest ...

Caltech

Guest Relations Coordinator

Pasadena, CA · On-site

$19 - $21.50/hr

Caltech is a world-renowned science and engineering institute that marshals some of the world ... Work as a team with other front desk staff in researching member account numbers to reconcile guest ...

Caltech

Floor Care Lead

Pasadena, CA · On-site

$22.25 - $29.25/hr

Caltech is a world-renowned science and engineering institute that marshals some of the world ... Exercises caution when working in laboratories and around research equipment. * Maintains a ...

Caltech

Senior Applications Developer

Pasadena, CA · On-site

$120K - $165K/yr

... Caltech. These systems include but are not limited to, Oracle E-business Suite, Oracle Analytics Cloud (OAC), data warehouse tools, Assetworks AiM, Huron Research Suite, SciQuest, Ellucian Advance ...

Caltech

Project Manager

Pasadena, CA · On-site

Caltech is a world-renowned science and engineering institute that marshals some of the world ... Essential Job Duties Duties include, but are not limited to, conducting comprehensive research on ...

Caltech

Laser Safety Officer (LSO)

Pasadena, CA · On-site

$139K - $160K/yr

Caltech is a world-renowned science and engineering institute that marshals some of the world ... Reporting to the Director of Research Safety, the LSO partners with the research community to ...

Caltech

Campus Custodial Lead

Pasadena, CA · On-site

$22.25 - $29.25/hr

Join us and be a part of the diverse Caltech community. Job Summary Under the supervision of a Custodial Supervisor, leads a team of custodians in a research environment. Assist the supervisor in ...

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Caltech Research information

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How much do caltech research jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for caltech research in California is $34.72, according to ZipRecruiter salary data. Most workers in this role earn between $21.19 and $43.31 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Caltech researcher, and why are they important?

To thrive as a Caltech Researcher, you generally need an advanced degree (such as a PhD), strong analytical skills, and a solid background in your scientific or engineering discipline. Familiarity with specialized laboratory equipment, data analysis software (e.g., MATLAB, Python), and research publication systems is essential. Excellent problem-solving abilities, collaboration, and effective communication skills help researchers excel in dynamic, multidisciplinary environments. These competencies are crucial for producing innovative research, publishing impactful findings, and contributing to Caltech's reputation for scientific excellence.

How do Caltech research positions typically foster collaboration across disciplines?

Caltech research roles are known for their highly collaborative, interdisciplinary environment. Researchers often work closely with faculty, postdocs, and students from different departments—such as physics, engineering, biology, and chemistry—to tackle complex scientific questions. This structure encourages frequent cross-departmental meetings, shared lab resources, and joint projects, providing a unique opportunity to broaden your expertise and contribute to innovative solutions. As a result, team members regularly develop both their technical and communication skills while building a strong professional network.

What is the difference between Caltech Research vs Caltech Research Assistant?

AspectCaltech ResearchCaltech Research Assistant
Required CredentialsMaster's or PhD in relevant field, specialized research experienceBachelor's degree, some research experience preferred
Work EnvironmentIndependent research, collaboration with faculty and scientistsSupportive role, assisting senior researchers and labs
Employer & Industry UsageResearch institutions, academia, scientific labsAcademic labs, research centers, university departments
Common Search & ComparisonHigher-level research roles, specialized expertiseEntry-level research support, assisting ongoing projects

Caltech Research positions typically require advanced degrees and involve independent research, while Caltech Research Assistants support research activities under supervision. The former focuses on conducting experiments and publishing findings, whereas the latter provides essential assistance to research teams. Both roles are integral to scientific progress but differ in responsibilities and qualifications.

What is a Caltech research?

A Caltech research position typically refers to a role at the California Institute of Technology that involves conducting scientific or engineering investigations, experiments, or studies. These positions can range from undergraduate research assistants to postdoctoral scholars and faculty researchers. They often involve working closely with faculty members in a specific field, such as physics, biology, engineering, or chemistry. Caltech research positions are renowned for their focus on innovation, rigorous methodology, and contributions to groundbreaking discoveries. Individuals in these roles are expected to contribute to the advancement of knowledge in their discipline.
What are popular job titles related to Caltech Research jobs in California? For Caltech Research jobs in California, the most frequently searched job titles are:
What job categories do people searching Caltech Research jobs in California look for? The top searched job categories for Caltech Research jobs in California are:
What cities in California are hiring for Caltech Research jobs? Cities in California with the most Caltech Research job openings:
Caltech Research jobs near you
Infographic showing various Caltech Research job openings in California as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 84% Full Time, 10% Part Time, 2% Temporary, and 2% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $72,209 per year, or $34.7 per hour.

Mechanical Engineer

Caltech

Pasadena, CA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 hours ago

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 people who are passionate about what they do. Join us and be a part of the diverse Caltech community.
Job Summary
Caltech Optical Observatories (COO) is seeking a talented mechanical engineer to join its Optical and Infrared (OIR) Instrumentation group. The OIR group designs, fabricates, and commissions astronomical instrumentation systems for large telescopes at Palomar, Gemini, Keck, and the planned Thirty Meter Telescope Observatories, while fostering a community of respect, learning, and individual growth. The qualified mechanical engineer will contribute to instrument and mechanical subsystem conceptualization, detailed design, mechanical fabrication, system integration, testing, and commissioning of state-of-the-art instrumentation, pushing back the frontiers of planetary science, astronomy, and cosmology.
This full-time position is based on the Caltech campus in Pasadena, California, but requires occasional travel to Palomar Mountain, San Diego, California, and Maunakea, Hawaii. COO encourages a healthy work-life balance, with work schedule flexibility consistent with results-oriented performance evaluation and mentorship.
Essential Job Duties
  • Provide mechanical engineering support of Caltech's astronomical instrumentation program, from conceptual design through commissioning, delivering sophisticated research instruments on major astronomical telescopes.
  • Assist with mechanical systems engineering, including capture and flow-down of intricate mechanical requirements, and development of critical performance budgets and detailed cost estimates.
  • Perform advanced mechanical design, component specification, tolerancing, drawing, procurement, and fabrication oversight of state-of-the-art scientific instrumentation.
  • Conduct detailed finite element and thermal performance analyses of ambient and cryogenic opto-mechanical systems accurately and efficiently.
  • Coordinate mechanical assembly, integration, and verification of sophisticated optoelectromechanical subsystems with emphasis on safety, efficiency, reliability, and quality.
  • Develop, execute, and deliver instrumentation documentation, including technical notes, quantitative analyses, design documentation, alignment and test plans, and verification results.
  • Assist with the testing and validation of instrument optomechanical performance across thermal and environmental use cases.
  • Assist researchers and/or students with the design, set-up, or modifications of experiments and independent projects.
  • Participate in strategic planning, conceptualization, and proposal preparation for new instrument concepts alongside internal and external Principal Investigators.

Basic Qualifications
  • B.S. degree in Mechanical Engineering or equivalent experience and 6+ years' experience, including demonstrated independent design responsibility for mechanical systems.
  • Fluency with modern solid modeling software, rapid prototyping, traditional part and assembly drawing, and reduced dimensioning fabrication techniques.
  • Demonstrated expertise in creating manufacturing drawing packages, interface control specifications, and supporting documents.
  • Excellent oral and written communication, interpersonal, and organizational skills are essential. Must work effectively and respectfully within talented technical and scientific teams.
  • Demonstrated ability to meet deadlines and execute complex quotations and procurement efforts.
  • High-level proficiency in a significant number of the following technical areas: static and dynamical load analyses, FEA, mechanism design, GD&T, PDM tools, quality assurance, thermal analysis and design, structural engineering, thermal and flexure compensation, mounting of large and precise optics, vacuum systems, machining operations, EDM, additive manufacture techniques, and/or robotics.
  • Occasional travel and work assignments at high altitudes and in limited light environments; requires a successful pre-employment physical, including vision screening.
  • Ability to lift 25 lbs.

Preferred Qualifications
  • M.S. degree in Mechanical Engineering or equivalent and 6+ years' experience with complex SolidWorks assemblies, hands-on experience with optical instrumentation, infrared camera systems, and/or cryogenic vacuum systems, or equivalent work or military experience.
  • Superior knowledge of optomechanical and thermal design principles and analysis techniques, including for vacuum and cryogenic systems.
  • Detailed understanding of manufacturing processes and experience working closely with machine shops and fabricators.
  • Strong collaborative communication skills working within a diverse, multicultural, and international team environment.
  • Superior knowledge of analysis/FEA tools (e.g., ANSYS).
  • Professional experience with commercial optical design tools (e.g., ZEMAX, CODE V).
  • Experience with space-based or satellite astronomical systems.

The Successful Candidate Will:
  • Demonstrate Customer Focus: Demonstrate a concern for the needs and expectations of customers (internal or external); focus efforts on identifying and meeting the needs of customers; use an understanding of customer needs as the basis for decision-making and organizational action; build strong relationships of trust with customers.
  • Make Good Decisions: Apply logic and practical thinking to decision making; gather necessary input and data from multiple sources to inform decisions and make decisions based on one's best thinking given time available; draw correct and reasonable conclusions based on data and information; make appropriate decisions in a timely manner regardless of pressure or uncertainty; make decisions quickly when called to do so; consider budgetary impact of decisions.
  • Plan / Organize: Determine objectives and strategies required to deliver results; determine how to use resources efficiently to accomplish a task or project; consider budgetary impact of decisions.
  • Demonstrate Technical Knowledge and Skills: Apply technical and professional skill or knowledge in position-related areas; keep up with current developments and trends in areas of expertise.
  • Build Trusting Partnerships: Develop and leverage collaborative relationships with internal and external colleagues based on mutual trust to facilitate the accomplishment of work goals; work cooperatively with stakeholders to identify and meet mutual goals.
  • Clearly Communicate: Clearly and succinctly convey information and ideas to individuals and groups; shape communication to the needs of the audience; convey ideas and opinions clearly to others; share relevant information and expectations openly, honestly and in a timely fashion; listen attentively to others.
  • Actively Learn: Demonstrate zeal for new information, knowledge, and experiences; regularly seek and capitalize on learning opportunities; quickly assimilate and apply new information.
  • Demonstrate Agility / Flexibility: Be open to changing conditions; adjust one's own behavior in light of changing conditions; adjust effectively to work within new work structures, processes, requirements, or cultures.

Required Documents
  • Resume.
  • Cover Letter.

Hiring Range
$97,000 - $136,900 Per Year
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.

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