Senior Scientist
California Institute of Technology
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 SummaryLIGO Laboratory (the Laser Interferometer Gravitational-wave Observatory) seeks a highly motivated and skilled Senior Scientist to join its team with experience in research, design and problem solving in a collaborative environment. LIGO Laboratory is a National Science Foundation major facility dedicated to observing gravitational-waves. Jointly operated by the California Institute of Technology and Massachusetts Institute of Technology, the LIGO Laboratory operates world-leading observatories near Richland, WA and Baton Rouge, LA as well as 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 operations, R&D toward detector improvements, gravitational-wave astrophysics, observatory operations, and education and public outreach. For more information, please visit the Laboratory website at .This position is an in-person role located in Pasadena, California.The successful candidate will report to the most senior engineers at LIGO Lab. Given how important core optics and optical coatings are for LIGO today and LIGO tomorrow this is an important position and offers the individual an important role within LIGO Lab. This is an exciting opportunity to work with world-leading scientists and engineers on cutting-edge science. This selected candidate will be a vital part of our talented team, helping to lead LIGO into the future.A full list of the job duties including opportunities for creativity, direction and planning are listed below. Essential Job DutiesPerform optical design and analysis.Conducting research on optical designs and optical coatings.Direct and assist with testing, analysis, and oversight of precision optical metrology instruments to test hypotheses and gather data.Support the operation and maintenance of world-class, precision optical characterization and metrology facilities. Develop optical specifications, policies, and procedures. Provide technical expert support for multi-million-dollar contracts with optics and coating fabricators providing cutting edge technology that enables LIGO’s extreme sensitivity. Provide ongoing modifications and solution alternatives to meet current and future research and observatory requirements Conceptualize the design and direct the development of enhanced measurement techniques and improved optics.Diagnose and design solutions and modifications in response to optic, optical equipment or component malfunctions and failures.Support the current lead with overseeing the Caltech Optical Sciences Group, including technical, budget, resource, and task management Provide technical guidance as well as technical oversight to matrixed engineering and science staff working on optics, opto-electronics, and interferometry.Communicate (written and verbal) technical progress and budget/resource status on various projects, internally within the organization and externally to parties outside the organizationOver time, take on people-management responsibilities and coach junior staff, encourage professional development, conduct annual reviews and nurture the team.Other Duties as AssignedBasic QualificationsBS in Physics, Astronomy or Engineering.A minimum of 10 years of experience with high precision optics.A minimum of 8 years of experience in mentoring junior scientists and/or students.Comprehensive knowledge of optical design, analysis, and testing for interferometry.Experience directly using scientific observation and analysis, creative thinking, and method development to solve problems related to optics and optical systems. Significant experience with precision optical metrology.Significant experience with technical specifications and support for contracting optical fabrication.Preferred QualificationsMasters or a PhD. in a related field.Significant experience in technical supervision of a group of 5 or more staff.Experience in project management including use of MS Project for project management and planning.History of working in and with International Collaborations with Optical scientists and other professionals, including mechanical, electrical, and computer engineers, physicists, and research scientists, to invent original concepts for optical products and improve existing devices.Required DocumentsResume. Cover Letter is a required document for this position. Please summarize your relevant experience and your interest in working at LIGO Lab.
$167.1k - $226.1k
The Amazon Web Services (AWS) Center for Quantum Computing in Pasadena, CA, is looking to hire an Applied Scientist on the Materials team, focused on materials integration and process development for superconducting quantum processors. You will join a multi-disciplinary...SeniorLocal areaFlexible hours$131.5k - $197.2k
Your OpportunityWe are looking for a highly motivated Principal/Senior Principal Consultant with a demonstrated ability to win work, grow client relationships, and lead high-performing teams in a seller-doer capacity. This leadership role will be focused on expanding our...SeniorFull timeContract workTemporary workPart timeCasual workWork at officeLocal areaFlexible hours$80.6k - $121k
...vital to our clients and the communities they serve.Join a team that’s naturally committed to the environment.Your OpportunityThe Senior Paleontologist will work as part of a dynamic team that is based in Southern California but includes staff members across the United...SeniorFull timeTemporary workPart timeCasual workWork at officeLocal areaWorldwideFlexible hours$100k - $350k
...Long-Term Recruitment: Senior Scientist / Postdoctoral Researcher / Lecturer / Professor Position Overview We are recruiting outstanding PhDs in science and engineering to participate in collaborative projects with universities, research institutes, and enterprises...SeniorFull timeTemporary workPart timeOverseasFlexible hours$114.77k - $140.28k
...wildlands. We are 50 years strong in 21 offices across California, the Pacific Northwest, and the southeastern United States. ESA seeks a Senior Paleontologist in Southern CAwith 10+ years of experience performing paleontological monitoring, surveys, testing and fossil...SeniorCasual workWork at officeLocal areaRemote workLong distanceNight shift$157k - $235k
...Engineering, Strategy, and Sales to ensure Snap’s ad products are effective, efficient, and customer‑centric.We’re looking for a Senior Marketing Scientist to join our Marketing Science team at Snap Inc!What you’ll do:Be the primary driver of performance improvement across key...SeniorFull timeWork experience placementLive inWork at officeLocal area$167.1k - $226.1k
We are seeking Applied and Research Scientists to join the Safe Autonomy Frontiers (SAF) Lab. In this role, you will develop and deploy the science of safe autonomy on highly dynamic robots, advancing the frontier through both foundational research and realization on hardware...SeniorFull timeTemporary workSeasonal workLocal areaFlexible hours- Arcadis seeks a principal groundwater scientist/engineer (Engineer, Environmental Scientist, Geologist, or Hydrogeologist) to support remediation and water resources projects across the US and abroad. The role emphasizes quantitative hydrogeology, CSМ development, and advanced...Senior
- ...Senior Scientist, Quantum Compilation Location: Los Angeles, California, USA Job Type: Full-Time, Permanent, Hybrid Responsibilities: Develop efficient and reliable methods that address key challenges in real-world quantum computing systems. Design and...SeniorPermanent employmentFull timeFlexible hours
$159.2k - $215.3k
..., technologically sophisticated and friendly work environment. Economists at Amazon partner closely with senior management, business stakeholders, scientists and engineers, and economist leadership to solve key business problems across Amazon Web Services, Kindle, Prime...SeniorContract workLocal area$150k - $225k
...role At Q-CTRL, we’re pioneering the future of quantum technology. In this role, you will join a collaborative team of quantum scientists and software engineers to advance the control and calibration of superconducting quantum hardware. Your primary focus will be on...Senior- ...Qualifications:Bachelor's Degree.Graduation from an approved School of Medical Technology.Upon hire: California Clinical Laboratory Scientist License; orCalifornia Clinical Chemist Scientist License; orCalifornia Clinical Immunohematologist Scientist License; orCalifornia...SeniorMinimum wageFull timeLocal areaShift work
- ...and analyze test information to determine process or equipment operating efficiency and to diagnose malfunctions. 5. Confer with scientists and engineers to conduct analyses of research projects, interpret test results, or develop nonstandard tests. 6. Direct, coordinate...Senior
- The Wonderful Company in Los Angeles is seeking a Medical Economics Analyst to shape strategy for its U.S. self-funded health plans. This hands-on analytics role turns medical, pharmacy, clinical, financial, and eligibility data into insights and recommendations to ...Senior
$130k
...Job Title : Senior Economist Reports To: Director Department Institute for Applied Economics FLSA Status: Exempt Salary: $130,000 Summary: The Senior Economist is a key member of the Institute of Applied Economics (IAE) Team, requiring a range...SeniorWork at officeLocal areaRemote workWork from homeHome office- ...We are seeking a Senior Wildlife Biologist to lead and deliver high-quality ecological surveys, assessments and monitoring programmes across a range of habitats and development projects. The role will involve designing survey methodologies, overseeing fieldwork, analysing...SeniorFor subcontractorSeasonal workNight shiftAfternoon shift
- Q-CTRL is seeking a Senior Research Scientist to design and implement quantum algorithms and workflows focused on quantum error correction. You will collaborate across research and engineering to translate scientific advances into high‑impact software for our product offerings...Senior
- ...Senior Clinical Scientist Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices...SeniorWork experience placement
- ...well as a best place to work for diversity, working mothers, female executives, and scientists. Main Purpose Of The Role This role is based out of Sylmar, CA and is an ONSITE role. The Senior Clinical Scientist works independently with minimal guidance and direction,...SeniorFor contractors
$110k - $165k
(Senior) Environmental Scientist / (Senior) Industrial HygienistJ.S. Held is seeking an experienced and highly motivated (Senior) Environmental Scientist / (Senior) Industrial Hygienist to join our Industrial Hygiene & Built Environment practice in Los Angeles. This role...SeniorFor contractorsLocal areaRemote workFlexible hours$150k - $225k
...the role At Q-CTRL, we’re pioneering the future of quantum technology. Our Quantum Error Correction team is seeking a Senior Research Scientist to design and implement components of an end-to-end compiler and orchestrator for distributed FTQC. You’ll join a fast-paced...Senior- Abbott in Sylmar, CA is seeking a Senior Clinical Scientist for onsite responsibilities. The role focuses on planning and conducting clinical studies, ensuring protocol compliance and SOP adherence, and mentoring junior staff. You will collaborate with internal and external...Senior
$135k - $166k
Senior Scientist - Formulation and Composites Defense, aerospace and other high-performance applications demand new material solutions stronger, lighter, more resilient tested and delivered faster than traditionally available. Cambium is disrupting advanced materials...SeniorFull timeLocal area$32 - $40 per hour
...Senior Analytical Chemist Burbank, CA Certified Group is committed to partnering with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes™. Our network of 30+ North American and European laboratories serves...SeniorContract workMonday to Friday- Grifols seeks a Senior Stability Research Scientist II to lead stability programs for plasma-derived proteins, overseeing investigations, storage, and documentation to ensure product safety and regulatory compliance. You will mentor staff and direct cross-functional teams...Senior
- A recognized skincare brand is seeking a Senior Chemist to join their team in California. You will take charge of formulating skincare products while ensuring an organized lab environment. The ideal candidate has over 5 years of experience in formulation, ideally with...SeniorFull time
- Cambium in El Segundo, CA is seeking a Synthetic Chemist to join our composite materials engineering team. You’ll work hands-on to synthesize new compounds for high-temperature materials and to optimize processes for manufacturability and performance in extreme environments...SeniorTemporary work
- ...Xseer Pharmaceuticals, a 503B outsourcing facility with four years of experience, is seeking a hands-on Senior Analytical Chemist with strong HPLC experience to join our Quality Control team. Xseer has established its pharmaceutical manufacturing facility and analytical...SeniorFull timeRemote workRelocation packageMonday to Friday
$160k - $200k
...of millions of events daily and operate in the high-throughput, low-latency environment of programmatic advertising.As an Applied Scientist, you will apply reinforcement learning and related decision-making methods to improve how Viant selects, ranks, and bids on advertising...SeniorWork experience placementInternshipLocal area$95k - $115k
...in a supportive culture. If you aspire to be the best, and work with the best, this is where you belong. About the Role The Senior Tax Analyst is an integral part of Latham's Global Tax team. This role will be responsible for acting as a lead tax specialist for...SeniorWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Scientist. Be the first to apply!
- scientist 1 Pasadena, CA
- applied scientist Pasadena, CA
- health scientist Pasadena, CA
- application scientist Pasadena, CA
- machine learning research scientist Pasadena, CA
- water quality scientist Pasadena, CA
- quality control scientist Pasadena, CA
- research scientist - biology Pasadena, CA
- scientist biology Pasadena, CA
- scientist immunology Pasadena, CA




