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Research Assistant I Jobs in Rialto, CA (NOW HIRING)

Staffactory

Administrative Assistant I

Diamond Bar, CA · On-site

$18.75 - $25.25/hr

Administrative Assistant I Location: Diamond Bar, CA 91765-4178 Work Schedule: Four 10-hour days ... Conducts research and compiles data from a variety of sources for general information purposes ...

CalPortland

Research Chemist

Jurupa Valley, CA

$70K - $80K/yr

Prepare related documentation and reports by monitoring, analyzing and collecting data, i.e., XRF ... met. * Assist with the laboratory's lean and housekeeping activities Education * BS Degree in ...

CalPortland

Research Chemist

Jurupa Valley, CA · On-site

$70K - $80K/yr

Prepare related documentation and reports by monitoring, analyzing and collecting data, i.e., XRF ... met. * Assist with the laboratory's lean and housekeeping activities Education * BS Degree in ...

CalPortland

Research Chemist

Jurupa Valley, CA

$70K - $80K/yr

Prepare related documentation and reports by monitoring, analyzing and collecting data, i.e., XRF ... met. * Assist with the laboratory's lean and housekeeping activities Education * BS Degree in ...

Riverside County, CA

Paralegal I/II - CN

Riverside, CA · On-site

$62K - $91K/yr

Salary Range Paralegal I - CN: $62,705 - $84,806 Annually Paralegal II - CN: $66,355 - $91,655 ... to assist with legal research, document summarization, drafting, proofreading, and workflow ...

County of Riverside

Paralegal I/II - CN

Riverside, CA · Hybrid

$62K - $91K/yr

Salary Range Paralegal I - CN: $62,705 - $84,806 Annually Paralegal II - CN: $66,355 - $91,655 ... Utilize approved AI platforms to assist with legal research, document summarization, drafting ...

BMR Partners Inc.

Administrative Assistant

Orange, CA · On-site

$19.25 - $26/hr

Prepare and execute contract documents, i.e. initial application, credentialling application and ... Create and maintain licensing renewal calendar to ensure timely follow-up * Conduct research to ...

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Showing results 1-20

All JobsResearch I JobsResearch Assistant I JobsResearch Assistant I Jobs in Rialto, CA

Research Assistant I information

See Rialto, CA salary details

$8

$21

$31

How much do research assistant i jobs pay per hour?

As of Jul 31, 2026, the average hourly pay for research assistant i in Rialto, CA is $21.97, according to ZipRecruiter salary data. Most workers in this role earn between $18.56 and $25.53 per hour, depending on experience, location, and employer.

How does a Research Assistant I typically collaborate with senior researchers and other team members on projects?

As a Research Assistant I, you will frequently work under the supervision of senior researchers, assisting with data collection, literature reviews, and experiment setup. Collaboration is key, as you may also coordinate with other assistants and lab staff to ensure efficient workflow and accurate results. Regular meetings and open communication are common, allowing you to share findings, troubleshoot issues, and learn from more experienced team members. This supportive environment not only helps build your research skills but also fosters professional growth within the team.

What are the key skills and qualifications needed to thrive as a Research Assistant I, and why are they important?

To thrive as a Research Assistant I, you need a solid background in scientific research methods, data collection, and analysis, typically supported by a bachelor’s degree in a related field. Familiarity with laboratory equipment, statistical software (such as SPSS or R), and research databases is often required. Strong organizational skills, attention to detail, and effective communication are crucial soft skills for managing tasks and collaborating with research teams. These competencies ensure accurate data handling, efficient workflow, and meaningful contributions to research projects.

What are Research Assistant I positions?

Research Assistant I positions are entry-level roles in academic, scientific, or clinical research settings. Individuals in this role typically support research projects by collecting and analyzing data, conducting experiments, and handling administrative tasks. They work under the supervision of lead researchers or principal investigators and may also assist with literature reviews and preparing research reports. This position is ideal for those who are interested in gaining hands-on research experience, often as a stepping stone to more advanced research roles or graduate study.

What is the difference between Research Assistant I vs Research Assistant II?

AspectResearch Assistant IResearch Assistant II
QualificationsBachelor's degree in relevant fieldBachelor's degree; some roles may prefer or require additional experience
Work EnvironmentEntry-level research settings, laboratories, academic institutionsSimilar environments, often with increased responsibilities
Job ResponsibilitiesAssisting with data collection, literature reviews, basic analysisMore complex data analysis, supervising junior staff, project coordination

The main difference between Research Assistant I and Research Assistant II lies in experience and responsibilities. Research Assistant I typically handles foundational tasks, while Research Assistant II takes on more complex duties and may oversee junior staff. Both roles are common in academic, research, and laboratory settings, with similar qualifications required.

What are the most commonly searched types of Research I jobs in Rialto, CA? The most popular types of Research I jobs in Rialto, CA are:
What job categories do people searching Research Assistant I jobs in Rialto, CA look for? The top searched job categories for Research Assistant I jobs in Rialto, CA are:
What cities near Rialto, CA are hiring for Research Assistant I jobs? Cities near Rialto, CA with the most Research Assistant I job openings:
Research Assistant I jobs near you
Infographic showing various Research Assistant I job openings in Rialto, CA as of July 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $45,698 per year, or $22 per hour.

Executive Assistant I, Rail Operations

Orange County Transportation Authority

Orange, CA

$31.39 - $37.29/hr

Full-time

Re-posted 7 days ago

Orange County Transportation Authority rating

9.7

Company rating: 9.7 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

5th of 839 rated public administrative organizations

Job description

Job Description

Executive Assistant I - Rail Operations

Under general supervision, the Executive Assistant I performs a wide variety of administrative, secretarial, and technical duties in support of a Director-level position.

This role manages critical administrative functions, coordinates complex activities, and ensures smooth day-to-day operations by addressing matters that do not require the direct attention of executive leadership.

This is a non-exempt position in salary grade 160: Min $31.39 - Mid $37.29 - Max $43.18/hour. The starting salary will be within this range based on qualifications.

This posting will remain open until a candidate is selected.

What You'll Do

  • Provide high-level administrative and clerical support to a Director
  • Serve as liaison between executive leadership, agency staff, management, and the public
  • Manage complex calendars, schedule meetings, and coordinate travel arrangements
  • Prepare Board agenda items and supporting materials
  • Draft and edit correspondence, reports, memoranda, and meeting minutes
  • Compile statistical and financial data for reports and special projects
  • Maintain complex filing systems, payroll records, and personnel documentation
  • Review documents for accuracy, compliance, and completeness
  • Assist with budget coordination, monitoring expenditures, and verifying financial information
  • Support Board Agenda Planning and Executive Calendars
  • Plan and coordinate division events, meetings, conferences, and agency activities
  • Conduct research and analysis to support administrative decision-making

What We're Looking For

  • High school diploma or equivalent
  • Minimum of six years of administrative or executive secretarial experience
  • Strong organizational and time-management skills
  • Exceptional attention to detail and accuracy
  • Ability to manage confidential and sensitive information with discretion
  • Strong written and verbal communication skills
  • Proficiency in preparing professional documents and reports
  • Ability to prioritize multiple assignments in a fast-paced environment

Why You'll Love It Here

  • Play a vital role supporting executive leadership
  • Work in a collaborative, mission-driven public agency
  • Contribute to projects and initiatives that support transportation services across Orange County
  • Competitive compensation and comprehensive benefits
  • Opportunities for professional growth and development

Join a team where innovation, integrity, and strategic thinking are valued.
Apply now to help support OCTA's leadership and operational excellence.

OCTA is an equal employment opportunity employer that recruits, hires, and promotes qualified people without regard to race, color, religion, creed, ancestry, national origin, age, sex, pregnancy, gender, gender identity and/or expression, sexual orientation, marital status, medical condition, disability, genetic information, military and veteran status, or any other legally protected status.

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