Science & Research Jobs in California (Now Hiring) — 18,578 open — Page 353

Hardware Engineer (Product / Systems)

San Francisco, California, United States · On-site

Mid level

About Becoming Becoming is building Developmental Intelligence: AI for predicting how organisms change over time. Most experimental systems fail when metabolic demands become too high. We are building systems that don’t …

Skills: Mechanical Design, CAD, Electrical Design, Firmware, Low-level Software

Nuclear Medicine Technologist - Per Diem

Eureka, California, United States · On-site

$53/hr–$68/hr

Mid level

Nuclear Medicine Technologist at Providence St. Joseph Hospital Eureka, CA. This position is Per Diem and will work 8-hour, Day shifts. Under the direction of the Department Director and Lead Technologist and in collabor…

Skills: Radionuclide-based Procedures, Diagnostic Imaging, Therapeutic Procedures, Quality Control, Customer Service

Project Specialist-CTC

Loma Linda, California, United States · Hybrid

$26/hr–$33/hr

Mid level$9M raised

Shared Services: Clinical Trial Center- (Full-Time, Day Shift) - Job Summary: The Project Specialist supports the end-to-end operational readiness and execution of clinical research at Loma Linda by serving as a subject …

Skills: Oncore, LLEAP/EPIC, Clinical Research Administration, CTMS, EMR Build

Rapid Insights Associate

Irvine, California, United States · On-site

Mid level

We are seeking a sharp, high-performing Rapid Insights Associate who thrives in fast-paced environments. With a strategic mindset, you anticipate challenges, assess issues rapidly, and implement effective solutions under…

Skills: Mathematical Modeling, Data Analysis, Scenario Analysis, Forecasting, Stress Testing

Senior Software Engineer, Perception, Machine Learning/Computer Vision

Mountain View, California, United States · On-site

$184k–$276k/yr

Senior$2.3B raised

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the wo…

Skills: Machine Learning, Computer Vision, Deep Learning, Sensor Fusion, Object Detection

Project Management Group Leader - Active Clearance Required

Livermore, California, United States · Hybrid

$167k–$255k/yr

Senior+$8M raised

Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and…

Skills: Project Management, Leadership, Budgeting, Risk Mitigation, Scheduling

K2 Space

Thermal Control System (TCS) Design Engineer

Los Angeles, California, United States · On-site

$100k–$215k/yr

Mid level

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ve…

Skills: Thermal Control Systems Design, Fluid Systems Sizing, TVAC Testing, Data Acquisition, NX

Software Engineer, AI Agent & LLM

Mountain View, California, United States · Hybrid

$155k–$185k/yr

Mid level$73M raised

The Opportunity We are looking for a Senior AI Agent & LLM Engineer who combines strong software engineering capabilities with a deep focus on AI quality. You will help build and improve the AI systems behind Otter’s con…

Skills: AI Agent Engineering, LLM, Machine Learning Engineering, Backend Engineering, Distributed Systems

Senior Software Engineer, AI Agent & LLM

Mountain View, California, United States · Hybrid

$185k–$230k/yr

Senior$73M raised

The Opportunity We are looking for a Senior AI Agent & LLM Engineer who combines strong software engineering capabilities with a deep focus on AI quality. You will help build and improve the AI systems behind Otter’s con…

Skills: AI Agent Engineering, LLM, Machine Learning Engineering, Backend Engineering, Distributed Systems

K2 Space

Senior Thermal Design Engineer

Los Angeles, California, United States · On-site

$140k–$250k/yr

Senior

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ve…

Skills: Thermal Design, Active Thermal Control Systems, Passive Thermal Control Systems, Fluid Loop Design, TVAC Testing

K2 Space

Senior Thermal Control System (TCS) Design Engineer

Los Angeles, California, United States · On-site

$140k–$250k/yr

Senior

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ve…

Skills: Thermal Control Systems Design, Fluid Systems Sizing, TVAC Testing, Data Acquisition, Heat Transfer Analysis

K2 Space

Principal Thermal Design Engineer

Los Angeles, California, United States · On-site

$175k–$295k/yr

Senior+

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ve…

Skills: Thermal Design, Thermal Analysis, Thermal Desktop, Ansys IcePak, Python

Hardware Reliability Engineer - Mac System Reliability

Cupertino, California, United States · On-site

Mid level

Apple is seeking a Reliability Engineer to join our Mac Hardware Reliability team! In this role, you’ll collaborate with diverse hardware teams to ensure our products are not only durable and reliable, but also built to …

Skills: Reliability Testing, Statistical Data Analysis, Physical Failure Analysis, Material Properties, Design Validation

Dietitian

Santa Rosa, California, United States · On-site

$39/hr–$61/hr

Mid level

Dietitian at Providence Santa Rosa Memorial Hospital in Santa Rosa, CA. This position is Per Diem and will work 8-hour, Day shifts. The Clinical Dietitian is responsible for the nutrition care management of inpatients: n…

Skills: Nutrition Risk Screening, Nutrition Assessment, Nutrition Support, Care Plan Implementation, Patient Education

Materials Engineering - Equipment Engineer (Automation & Controls)

Torrance, California, United States · On-site

Entry level$470M raised

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…

Skills: PLC Programming, HMI, Motion Control, Sensor Integration, Industrial Automation

SEM (Scanning Electron Microscopy) Characterization Technician

Torrance, California, United States · On-site

Entry level$470M raised

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…

Skills: Scanning Electron Microscopy, Specimen Preparation, Microstructural Characterization, Metallographic Techniques, Materials Science

Materials Engineer - Chemist

Torrance, California, United States · On-site

Entry level$470M raised

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…

Skills: Wet Chemistry Synthesis, Process Optimization, Analytical Characterization, Experimental Design, Technical Documentation

Materials Engineer - Flight Vehicle Support

Torrance, California, United States · On-site

Entry level$470M raised

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…

Skills: Adhesive Bond Development, Mechanical Testing, Materials Characterization, Engineering Documentation, Root Cause Analysis

Materials & Process Technician - CVD (Night Shift, 230pm to 1130pm)

Torrance, California, United States · On-site

Mid level$470M raised

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantage…

Skills: Chemical Vapor Deposition, Reactor Operations, Equipment Maintenance, Troubleshooting, Technical Documentation

Oncology Nurse Educator - Pacific Northwest

San Francisco, California, United States · On-site

$132k–$238k/yr

Mid level

Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…

Skills: Clinical Education, Patient Management, Disease State Awareness, Symptom Management, Infusion Process

Frequently asked questions

How much do Science & Research jobs in California pay?

Based on 11733 listings with disclosed salaries, most science & research jobs in California pay between $103k–$250k per year. Individual offers vary with seniority, company size, and specialization.

How many Science & Research jobs are open in California right now?

There are currently 18,578 open science & research positions in California listed on Clera. New openings are added daily as companies post roles.

Which companies are hiring for Science & Research roles in California?

Companies currently hiring include Applied Materials, Northrop Grumman, Apple, Google, Kaiser Permanente Oakland Medical Center, among others. Browse the listings above to see every active employer.

Are there remote or hybrid Science & Research jobs in California?

Yes — 3931 of the 18578 open science & research positions offer remote or hybrid work (1009 remote, 2922 hybrid).

How do I apply for Science & Research jobs in California?

Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.