117 Results for

Scientist Jobs in Ontario, CA

Jobs

Los Angeles, CA8 days ago

Full-time
Employee

These systems consist primarily of computer networks and system integration laboratories (SILs), but may also include hardware-in-the-loop (HITL) facilities that integrate digital and analog processors, cockpit displays and controls, aircraft, weapons, environmental and threat models, databases, and operational flight program software related to interactive man-in-the-loop battlespace environments. Provides technical expertise in the area of software development, integration of models, armament, sensor and electronic warfare systems for a complex integrated battlespace modeling and simulation environments consisting of digital & analog processors, cockpit displays & controls, mechanical & electrical interfaces, and operational flight program software.

New!

Orange, CAToday

$64.67–$102.10 Per Hour

California Clinical Laboratory Scientist License California upon hire or, California Clinical Chemist Scientist License upon hire or, California Clinical Immunohematologist Scientist License upon hire or, California Clinical Microbiologist Scientist License upon hire or, California Clinical Toxicologist Scientist License upon hire or, California Clinical Cytogeneticist Scientist License upon hire or, California Clinical Genetic Molecular Biologist Scientist License upon hire or, California Clinical Hematology Scientist License upon hire or, California Clinical Histocompatibility Scientist License upon hire or, California Clinical Laboratory Scientist Biochemistry Special License upon hire. The Lead CLS works independently, oversees the day to day operation of the division, supports leadership of the division and accepts responsibility for special projects/activities as agreed upon with the supervisor and/or manager.

Irvine, CA14 days ago

$82,000–$142,000 Per Year
Full-time
Employee

Since 2010, SynergisticIT has helped candidates return to the workforce and land full-time jobs at major employers—companies like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Citi, JPMC, Walmart Labs, Deloitte, and more—often with offers between $90,000 and $154,000 depending on role and expertise. SynergisticIT commonly supports hiring pipelines for roles such as junior software programmer, Java full stack engineer, Python/Java developer, DevOps/cloud engineer, plus data-track roles like data analyst, BI analyst, data engineer, data scientist, and ML/AI engineer.

Irvine, CA24 days ago

Remote

Temporary
Contractor
Full-time

SynergisticIT works with clients hiring for entry-level software programmers, Java full stack developers, Python/Java developers, data analysts, data engineers, data scientists, and machine learning engineers. Ideal candidates for interview-focused support include: recent grads with limited experience, candidates stuck after multiple interviews, professionals returning after layoffs, candidates with career gaps.

New!

Irvine, CA6 days ago

Full-time
Employee

Since 2010, SynergisticIT has helped candidates land full-time roles at organizations such as Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Walmart Labs, Citi, JPMC, Bank of America, Deloitte, and hundreds more. They’re filtered by ATS systems, keyword screening, and recruiters looking for job-ready signals—specific stacks, strong project depth, relevant certifications, and clear experience narratives.

Los Angeles, California30+ days ago

$130,000–$135,000 Per Year

You will be responsible for: Supporting a range of consulting activities related to large-scale local and global programs to build custom datasets for machine learning algorithms including protocol development, data collection, data management, and analysis. D. in Electrical Engineering, Computer Engineering, Physiology, Human Factors, or a related engineering/scientific field (such as Applied Mathematics, Computer Science, Cognitive Science, Applied Physics, Industrial Engineering, Mechanical Engineering, Civil Engineering, or Robotics).

Pasadena, CA30+ days ago

Due to applicable export control laws and regulations, candidates must be either a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be able to obtain a US export license. We pioneered cloud computing and never stopped innovating - that's why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Los Angeles, CA30+ days ago

Research Scientists at Riot combine deep technical expertise across machine learning, artificial intelligence (AI), experimental design, and systems engineering to invent new ways players experience games. Your team will identify emerging research with the potential to meaningfully change gameplay, turn it into concrete gameplay experiments, and work with game teams to transform validated breakthroughs into options Riot can confidently commit to.

Irvine, CA20 days ago

$100,000–$200,000 Per Year

The ideal candidate will have hands-on experience creating QC systems for, developing, validating, and troubleshooting immunoassays for clinical or research applications, with a strong understanding of assay performance characteristics, reagent development, and analytical methods. The selected candidate will be responsible for: Design, develop, optimize, and validate immunoassays for automated platforms including Phadia and/or IMMULITE systems.

Los Angeles, CA30+ days ago

The Klein Laboratory is seeking a Postdoctoral Scientist to join the team and assist in new and ongoing research initiatives, to provide specialized support for lab experiments, and to foster ongoing research education within Guerin Children's. Working independently but in close cooperation and in consultation with the Principal Investigator and other Research Scientists, the Postdoctoral Scientist will perform routine and complex laboratory procedures throughout training period.

Los Angeles, CA30+ days ago

Working independently but in close cooperation and in consultation with the Principal Investigator and other Research Scientists, the Postdoctoral Scientist will perform routine and complex laboratory procedures throughout training period. From genetic counseling and targeted drug therapies to a growing array of minimally invasive procedures, Cedars-Sinai continues to stand at the forefront of technology, innovation and discovery improving patient outcomes.

Los Angeles, CA30+ days ago

Working independently but in close cooperation and in consultation with the Dr. Cingolani and other Research Scientists, the Postdoctoral Scientist will perform routine and complex laboratory procedures throughout the training period. From genetic counseling and targeted drug therapies to a growing array of minimally invasive procedures, Cedars-Sinai continues to stand at the forefront of technology, innovation, and discovery, improving patient outcomes.

Los Angeles, CA30+ days ago

The Stripp and Yao laboratories constitute the Lung Regeneration group at Cedars-Sinai Medical Center and seek to understand basic mechanisms of lung maintenance, how this is disrupted in disease and to develop regenerative medicine approaches that will restore structure and function to damaged lung tissue. The laboratories couple the genetic tractability of mouse models with studies using human lung tissue to identify stem/progenitor cells and to understand how they are regulated under normal or injured/diseased states.

Irvine, CA30+ days ago

Experience developing and supporting data-driven applications or advanced analytics solutions end-to-end, from data exploration and preparation through deployment and ongoing maintenance to solve real-world challenges. Your work will harness SCEs varied sensors and systems to identify opportunities to better understand conditions on the electric grid, then bring those actionable insights to Operators and Field personnel.

Duarte, CA7 days ago

Remote

$48–$62 Per Hour

You'll work hands-on with structured and unstructured healthcare data, design and implement state-of-the-art models (including LLMs and RAG-based architectures), and lead cross-functional collaborations to bring solutions to production at scale. * Initiate and lead novel research in machine learning and AI, especially in deep learning, large language models (LLMs), and retrieval-augmented generation (RAG).

Tustin, CA30+ days ago

$90,000–$115,000

This position is dedicated to doing everything possible in support of the customer: performing experiments, creating application notes, enabling automation workflows, troubleshooting in the field, training global teams, and serving as a technical overlay to business development and sales. Actual compensation details will be provided in writing at the time of offer, if applicable, and is based on several factors we believe fairly and accurately impact compensation, including geographic location, experience, knowledge, skills, abilities, and other job permitted factors.

Los Angeles, CA30+ days ago

Full-time

This role offers an opportunity for impact across program areas spanning the Los Angeles County homelessness system, including but not limited to outreach and response to unsheltered people, interim housing and temporary shelters, permanent supportive housing and case management services that sustain people in housing, and benefits entitlement programs. Option I:Two (2) years of experience carrying out complex data science projects that included independently developing and applying methods to identify, collect, process, structure, and analyze data using statistical prediction, inference, and optimization to support data-driven program design and management, at a level equivalent to Data Scientist.

Irvine, CA12 days ago

They will be responsible for designing, developing, testing, and improving cardiac simulations used for treating cardiac arrhythmia and collaborating closely with a multidisciplinary team to support system integration and product feature advancements. This Scientist, Staff (Machine Learning & Simulations), will be a key contributor to our algorithm team, working on innovating and developing new research and product features for our cardiac electrophysiology mapping system.

Santa Fe Springs, CA30+ days ago

$28.70–$30.60 Per Hour

Additionally, you will formulate Nutrition Facts and Supplement Facts panels, manage lab samples and supplies, and advise on ingredient selections to enhance flavor and nutrition, especially for dietary supplements. Collaborating with the R&D Director and Product Development and Process Manager, you will help ensure timely project execution and smooth transfer of new products into manufacturing.

Los Angeles, CA30+ days ago

The Garrick Institute for the Risk Sciences at UCLA Samueli invites highly qualified applicants for Assistant Researcher, Associate Researcher and Researcher positions during the 2025-2026 Academic Year. The level of appointment will be commensurate with the applicant's qualifications.

Los Angeles, California20 days ago

$88,962–$146,151 Per Year

Minimum 1 year of work experience as a CLS performing high complexity testing in hematology, chemistry, blood bank, and microbiology in a CLIA-certified clinical laboratory by the Center for Medicare & Medicaid Services (CMS). Children’s Hospital Los Angeles is consistently ranked among the top 10 children's hospitals in the nation, delivering world-class care through more than 350 specialized programs and services.

Irvine, CA30+ days ago

$103,093–$134,204 Per Year

By offering a comprehensive portfolio of products and services in cell culture media, discovery research reagents, recombinant growth factors and proteins, fine chemicals, and critical assay materials, we partner with the brightest minds in biotech and pharma to tackle the world’s biggest health challenges. Our headquarters in Santa Ana, California, is surrounded by world-class schools, lush parks, and scenic beaches like Laguna and Huntington, making it an ideal place to live, work, and explore.

Irvine, California30+ days ago

$103,000–$115,000 Per Year

Los Angeles, CA30+ days ago

Automation and self-service analytics Partner with auditors to identify and analyze key risk indicators, contribute to a continuous auditing data strategy that will translate into various use cases and corresponding data solutions that can automate the evaluation of the design and effectiveness of controls; build and maintain ETL data pipelines, as well as dashboards to support the solutions. • Minimum of 5 years professional experience in applied data science, machine learning engineering, or AI research, specifically working with LLMs and traditional ML models and at least 5 years practical experience of data science or analytics from the technology sector, including but not limited to B2C SaaS, media tech, e-commerce, social media platforms, fintech etc.

Los Angeles, CA30+ days ago

$70–$85

Expert-level, hands-on experience and strategic understand of modern data architectures (e.g., real-time streaming with Kafka/Kinesis, data lakes/warehouses like Snowflake/BigQuery, feature stores, MLOps pipelines). Build the models and specify the data platforms that translate raw player data into actionable insights for both humans (designers, producers) and machines (AI training and evaluation).

Santa Ana, California22 days ago

Programming: SQL, Python, Spark, Hive Libraries: Scikit-Learn, Numpy Analytics: Regression, Classification, Clustering, (Decision Trees, SVM, Linear Regression, Logistic Regression, KNN, KMeans) Visualization: Matplot Systems: UNIX, Windows Soft: Integrity, strong verbal and written communication, teamwork, creativity Experience: 3-4 years related field. Analytics: Neural Networks, Graph Computation, Approximate Nearest Neighbors, Time Series, NLP Visualization: Tableau, Plotly, Excel Infrastructure: Big Data, Cloud Computing, High Performance Computing (GPUs) Experience: 5+ years related field.

Los Angeles, CA30+ days ago

Remote

$106.31–$132.31 Per Hour

You'll conduct advanced statistical analyses, A/B testing and build predictive data models that leverage out of game data combined with game telemetry - in partnership with game analysts and researchers - to inform our understanding of the relationship between sentiment, player experience, and player engagement or monetization. Information collected and processed through your application with INSPYR Solutions (including any job applications you choose to submit) is subject to INSPYR Solutions’ Privacy Policy and INSPYR Solutions’ AI and Automated Employment Decision Tool Policy: https://www.inspyrsolutions.com/policies/.

Los Angeles, CA30+ days ago

CHA global network operates 81 hospitals and specialty clinics, 30 research and 31 bio/pharmaceutical/healthcare companies with 14,000 employees in seven countries. CHA Hollywood Presbyterian (CHA HPMC) is a nationally recognized acute care facility that has been caring for the Hollywood community and Los Angeles Areas since 1924.

Irvine, CA30+ days ago

$104,313–$147,624 Per Year

The R&D Principal Scientist – RMC will lead technical projects related to raw material characterization (RMC) and formulation science services to both internal and external customers. Collaborate with Quality, Product Line Management, Procurement, Manufacturing and R&D to create solutions for optimal media formulation quality and supply chain and vendor management.

Riverside, CA30+ days ago

This role is responsible for applying advanced scientific, analytical, and technical expertise to support C4I systems, ISR capabilities, and data-driven mission operations, including development of innovative approaches to enhance system performance, predictive analysis, and operational effectiveness. PSI offers full-time, benefits eligible employees a competitive total compensation package that includes paid leave, and options for employer sponsored group medical, dental, vision, short-term and long-term disability, life insurance, AD&D coverage, legal services, identity theft, and accident insurance.

Riverside, CA30+ days ago

Full-time

This role is responsible for applying advanced scientific, analytical, and technical expertise to support C4I systems, ISR capabilities, and data-driven mission operations, including development of innovative approaches to enhance system performance, predictive analysis, and operational effectiveness. As a Senior Scientist, you will play a critical role in designing, building, securing, and operating software solutions that support mission success and operational excellence across Federal Government organizations.

Los Angeles, CA30+ days ago

$131,200–$172,200 Per Year

Work Location: This position is a hybrid role based in our New York City office, Los Angeles Office, or Tempe Office requiring a hybrid work schedule with 3 days of in-office work per week Thursdays are a required in-office day for team meetings and events, while your other two office days are flexible to suit your schedule. Connecting the dots across these datasets gives us unique insight into how the healthcare system functions and allows us to improve care coordination, better manage risk, build higher-performing provider networks, and create a standout consumer experience in our product.

Orange, CA30+ days ago

Environmental Sustainability Statement Driven by the connection between children's health and a healthy environment, we commit to creating a healthcare model that incorporates environmental sustainability aligned with our mission to protect children's health and patient safety. Job Summary The Lead Clinical Laboratory Scientist is a Licensed Medical Technologist whose primary responsibilities are to train others, perform laboratory testing on patients samples, review QC and perform troubleshooting as needed.

Irvine, CA30+ days ago

$104,313–$147,624 Per Year

Good Documentation Practices & Good Laboratory Practices Required Skills/Education: • PhD in Biochemical Engineering, Chemical Engineering, Analytical Chemistry, Chemistry, Biochemistry • Minimum 10 years of relevant working experience in a process development and/or technical operations setting • Proficient in Analytical Method development and optimization • Effective communication skills with external and internal customers • Able to build strong relationships • Strong background in applied chemistry • Experience managing cross-functional projects • Capable of working on complex problems of a challenging nature • Capable of independent judgment in developing methods, techniques and evaluation of criteria for obtaining results to broadly defined objectives dictated by trends in business and the current product plan • Experience in technology and process improvements • Receives minimum instructions on routine work, general instructions on new assignments • Ability to speak, write and read English fluently. • Collaborate with Quality, Product Line Management, Procurement, Manufacturing and R&D to create solutions for optimal media formulation quality and supply chain and vendor management.

Fullerton, CA30+ days ago

Remote

A typical market demand pattern is clear: organizations still need entry-level software programmers, Java full stack developers, Python/Java developers, DevOps-focused engineers, and on the data side data analysts, BI analysts, data engineers, data scientists, and machine learning engineers. SynergisticIT since 2010, has helped candidates land full-time roles at major organizations ( including Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Banking, Wayfair, Client, Client, and more) with offers commonly in the $95k $154k range depending on role and skill depth.

Norwalk, CA30+ days ago

Provides support and facilitates communications by effectively navigating computer and phone systems, building and maintaining customer relationships, and providing a positive, professional and empathetic understanding to all customers. The Clinical Laboratory Scientist is responsible for the accuracy, reliability and timeliness of patient test results (pre-analytical, analytical and post-analytical) used for the diagnosis, management and treatment of patients.

Fullerton, CA30+ days ago

$90,000–$154,000 Per Year

Los Angeles, CA17 days ago

Remote

$95,000–$154,000 Per Year

Los Angeles, CA10 days ago

$47–$73

This role offers an exciting opportunity to contribute to life-saving diagnostics by performing high-quality laboratory testing. As a key member of the laboratory team, you will ensure accurate, timely results that directly influence medical decisions and patient outcomes.

Los Angeles, CA30+ days ago

Our platform is built by industry leaders with a long history in programmatic advertising, digital media, and ad verification who have now purpose-built a CTV performance platform advertisers can trust to grow their business. As a key member of our Data Science team, youll be responsible for turning data into actionable insights, driving business decisions, and owning analytics projects from inception to completion.

Irvine, CA30+ days ago

$80,850–$95,000

The Scientist, Analytical Development performs and leads analytical development activities and tasks to support formulation development and drug product manufacturing with a focus on large molecule analysis. Employees at Forma are expected to take on meaningful responsibility, collaborate directly with colleagues and clients, and contribute to building scalable systems and processes as the company grows.

Tustin, CA30+ days ago

$47–$55

This role maintains competency in all phases of testing (pre-analytic, analytic, and post-analytic), operates and troubleshoots automated laboratory instruments, and ensures accurate and timely entry of patient results into the laboratory information system. Responsible for the accurate documentation of all testing activities including but not limited to patient specimens, proficiency testing, quality control results, performance of preventive maintenance/calibration of instruments, and LIS results entry.

Upland, CA13 days ago

$1,920–$1,920

In addition to providing the industry’s best recruiters, we offer tons of high-paying jobs, clinical support, and incredible benefits, including: A compensation package that reflects your goals! When you work with Medical Solutions, we’ve got your back 100% — starting with your co-captain and sidekick, your trusty recruiter.

Upland, CA13 days ago

$2,004–$2,004

Nurses and allied healthcare professionals are in high demand nationwide, and our team of industry-leading, traveler-favorite recruiters can get you where you want to go — personally and professionally. In addition to providing the industry’s best recruiters, we offer tons of high-paying jobs, clinical support, and incredible benefits, including: A compensation package that reflects your goals!

Pomona, CA14 days ago

Hands-on experiences with languages like Python, R, and SQL, as well as knowledge of cloud computing environments (e.g., AWS, Azure, Google Cloud), and familiarity with data visualization tools like Tableau or Power BI. + Strong executive communication skills, including building concise narratives and presenting insights to senior leadership; experience communicating to both technical and non-technical audiences).

Duarte, CA30+ days ago

As a successful candidate, you will: • Manage grant application preparation and submission • Manuscript development and publication support • Coordinate radiology research lab tasks and operations, including mentoring and training lab members, providing conceptual, technical, and experimental support, contributing to grant applications and manuscripts, and assembling reports and presentations. Join the forefront of groundbreaking research at the Beckman Research Institute of City of Hope, where we are changing lives and making a real difference in the fight against cancer, diabetes, and other life-threatening illnesses.

duarte, CA30+ days ago

Knowledge of protein engineering (cloning, expression, purification), crystallography (crystallization, optimization, data collection and structure determination), biochemistry (enzyme kinetics) and biophysics (Surface Plasmon Resonance, Iosthermal Ttitration Calorimetry. Join the forefront of groundbreaking research at the Beckman Research Institute of City of Hope, where we're changing lives and making a real difference in the fight against cancer, diabetes, and other life-threatening illnesses.

Los Angeles, CA30+ days ago

$174,400–$228,900 Per Year

Work Location: This position is a hybrid role based in our New York City office, Los Angeles Office, or Tempe Office requiring a hybrid work schedule with 3 days of in-office work per week Thursdays are a required in-office day for team meetings and events, while your other two office days are flexible to suit your schedule. Pay Transparency: Final offer amounts, within the base pay set forth above, are determined by factors including your relevant skills, education, and experience.

Los Angeles, CA30+ days ago

Work Location: This position is a hybrid role based in our New York City office, Los Angeles Office, or Tempe Office requiring a hybrid work schedule with 3 days of in-office work per week OR remote, if you're located in Boston or the San Francisco Bay Area. You will ideate, scope business cases, design targeted pipelines by using predictive models, launch campaigns, monitor and optimize campaigns in real time to attribute best performing marketing variants, and measure campaigns.

Pasadena, CA30+ days ago

Exciting opportunity for a Scientist II in the Jet Propulsion Laboratory, California Institute of Technology.Drive innovation in dark sector surveys, cosmological modeling, and data interpretation for NASA's Nancy Grace Roman Space Telescope and ESA's Euclid.Collaborate with top scientists and shape the future of dark energy ...

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Scientist Jobs in Ontario, CA

Computer Scientist JT4

Lead Medical Laboratory Scientist - Full Time Evening Providence Health and Services

Entry level Java spring boot developer/ data scientist SynergisticIT

Data Scientist/Engineer - Junior (Remote) SynergisticIT

Junior java developer spring boot /Data Scientist/Analyst SynergisticIT

Machine Learning User Research Scientist (Ph.D. required) Exponent Inc.

Quantum Research Scientist, Processor Test & Measurement, AWS Center for Quantum Computing Amazon.com Inc

Principal Research Scientist, Gameplay AI - Tech Research Riot Games Inc

Research Scientist - Simply Biotech TalentZok

Postdoctoral Scientist - Guerin Children's - Klein Lab (Full-Time) Cedars-Sinai Medical Center

Postdoctoral Scientist - Heart Institute - Karlstaedt Lab Cedars-Sinai Medical Center

Postdoctoral Scientist - Heart Institute - Cingolani Lab Cedars-Sinai Medical Center

Postdoctoral Scientist - Stripp/Yao Labs - Department of Medicine Cedars-Sinai Medical Center

Grid Operations Data Scientist and Predictive Analytics Advisor Edison International

Principal Data Scientist KORE1 Technologies

Field Application Scientist Zymo Research Corporation

Senior Data Scientist, Data Analytics & Reporting (N380) Public Health Foundation Enterprises, In

Scientist, Staff (Machine Learning & Simulations) ENCHANNEL MEDICAL LTD

R&D Development Food Scientist- Hiring Now! | Food Science | 835149 Helpmates

Research Scientist 2025-2026AY University of California Los Angeles

Clinical Lab Scientist I Children's Hospital Los Angeles

Sr. Scientist II Fujifilm

Sr. Scientist I - R&D Bioproduction Fujifilm

Senior Data Scientist, Model Risk & Data Analytics, Internal Audit - AMS TikTok Inc

Sr. Data Scientist, AI Web Game Wolf Games

Sr. Data Scientist omega solutions inc

Senior Data Scientist INSPYR Solutions

Clinical Lab Scientist Microbiology Per-Diem Days Hollywood Presbyterian Medical Center

R&D Principal Scientist-Raw Material Characterization Fujifilm

AMOC Senior Scientist Planned Systems International, Inc.

Senior Scientist – Secret Clearance | Riverside, CA Cambridge International Systems Inc

Data Scientist II Oscar Health

Clinical Laboratory Scientist Lead, Microbiology (Evenings) Children's Hospital of Orange County

R&D Principal Scientist Raw Material Characterization FUJIFILM Biotechnologies USA Inc

Remote Software Developer (Entry Level)/Data Scientist - Junior Level (Remote) SynergisticIT

Clinical Laboratory Scientist (CLS) - Per Diem, Variable (Norwalk) Los Angeles Community Hospitals

Entry level Java Microservices developer/ data scientist SynergisticIT

Junior Data scientist/Python Programmer - Remote SynergisticIT

Clinical Laboratory Scientist TEEMA Group

Sr. Data Scientist, tvScientific Pinterest Inc

Scientist, Analytical Development (Large Molecule) Forma Life Sciences

CLS - Clinical Lab Scientist Pangea Laboratory, LLC

Travel Clinical Lab Scientist (CLS) - $1,920 per week in Upland, CA Medical Solutions

Travel Clinical Lab Scientist (CLS) - $2,004 per week in Upland, CA Medical Solutions

Senior Data Scientist Advisor Southern California Edison

Staff Scientist City of Hope

Postdoctoral Fellow or Staff Scientist - Protein Chemistry, Crystallography and Structure Determination City of Hope

Lead Data Scientist Oscar Health

Senior Data Scientist, Data & Member Behavior Oscar Health

Scientist II Jet Propulsion Laboratory

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