System Engineer Intern Jobs in Rialto, CA (NOW HIRING)

Salary: $18.00 - $23.00 Hourly
Location : Moreno Valley
Job Type: Intern
Job Number: 26-13896-11T
Department: Department of Waste Resources
Division: Department of Waste Resources
Opening Date: 06/24/2026
Closing Date: 7/8/2026 11:59 PM Pacific
For questions regarding this position, please contact the Recruiter listed in the Supplemental Information section.
ABOUT THE POSITION
The Department of Waste Resources is seeking three motivated and detail-oriented engineering interns to support the Engineering/Operations or Environmental Engineering team with technical project work, field activities, and data analysis. The intern will gain hands-on experience working with real-world engineering systems, participating in multi-disciplinary projects, and contributing directly to operational improvements. This role is ideal for students pursuing degrees in Civil, Environmental, Mechanical, Chemical, Electrical, or related engineering disciplines who want exposure to engineering design, project management, field investigations, and regulatory compliance work.
The intern should expect to gain exposure to a typical municipal engineering workplace. This professional workplace will include work with engineering and non-engineering co-workers. The intern will experience the variety of engineering work and projects that can be expected in a landfill planning, operation, and maintenance organization.
The in-person student internship position offers a flexible work week consisting of approximately 20 hours per week, with flexibility granted around academic obligations. The selected candidates can anticipate the internship to be one year in length.
Incumbents within the Temporary Assistant - Professional Student Intern classification are distinguished from regular County employees in that their employment is temporary, exempt from the County merit system, Cost of Living Adjustments (COLA) as well as most County-provided employee benefits, and serve in an "At-Will" status. As such, the incumbent may be terminated from service at any time, without notice, cause, or rights of appeal.
EXAMPLES OF ESSENTIAL DUTIES
Under supervision, assists and participates in the work performed by employees of a specific profession; through participation, receives supervised work experience in a specific professional vocation; and performs other related duties as required.

• Assist engineers with design calculations, drafting, and preparation of technical drawings.
• Support development of engineering reports, specifications, and construction documentation.
• Help research and evaluate engineering alternatives.

Field Work & Data Collection

• Participate in site visits, inspections, surveying, sampling, and system performance evaluations.
• Collect, organize, and analyze field and operational data.
• Assist with equipment testing, troubleshooting, and documentation of findings.

Technical Analysis

• Perform engineering calculations under supervision.
• Analyze trends in operational data, monitoring results, and system performance metrics.
• Prepare charts, spreadsheets, and summaries for engineering review.

Documentation & Compliance

• Assist in preparing permit support materials, drawings, and submittal packages.
• Support quality assurance/quality control (QA/QC) efforts on engineering deliverables.
• Maintain accurate project files, logs, and documentation.

Collaboration & Communication

• Collaborate with multidisciplinary teams including operations, environmental compliance, and consultants.
• Present findings in clear written and verbal formats.

MINIMUM QUALIFICATIONS
Minimum Cumulative Grade Point Average: 2.5 GPA required. Proof of most current unofficial/official transcript with cumulative GPA must be provided at the time of application.
Education: Applicants must be currently enrolled/attending school at an accredited college or university in a Bachelor's degree program (Freshman, Sophomore, Junior, or Senior) or preparing to transfer to a Bachelor's program during the duration of the internship.
Areas of Study: Civil, Environmental, Mechanical, Chemical, Electrical, or related engineering disciplines.
**All applicants are required to include a resume and most recent unofficial/official transcript. Document(s) must be uploaded as attachments at time of application to be considered.**
SUPPLEMENTAL INFORMATION
What's Next?
This recruitment is open to all applicants currently enrolled/attending school at an accredited college or university or who have recently graduated within the past twelve months.
No late applications will be permitted and changes or alterations cannot be accepted. Resumes that include job descriptions and duties copied from the job classification will not be considered.
Applications received prior to the closing date will be considered based on the information submitted. Include relevant work experience details on resume and/or application. Applicants who fail to provide information demonstrating they possess the position requirements may not be considered further in the application process.
General Information
For more information, please contact Hayden Quezada at
If you are experiencing technical problems, you may contact the governmentjobs.com applicant support desk Monday through Friday, 6 am to 5 pm Pacific Time at support@governmentjobs.com or toll-free 1-855-524-5627.
APPLICATION INFORMATION
Veteran's Preference
The County has a Veterans Preference Policy applicable to new hires. To qualify, attach the required documents to your job application. Documents include a copy of your (or your spouse's) Member-4 Form DD-214 indicating dates of service. For spousal preference, and as applicable, the following documents: a copy of your marriage certificate, spouse's death certificate, a letter of spouse's disability and/or letter of service-related death (if available) from the U.S. Veteran's Administration. For privacy reasons, it is recommended that you remove your social security information from the document(s). A Human Resources Representative will review the materials and determine if you qualify for veterans' preference. For complete details and documentation requirements, please review the Veterans Preference Policy, C-3 here:
Reasonable Accommodations
The County of Riverside is committed to providing reasonable accommodation to applicants as required by the Americans with Disabilities Act (ADA) and Fair Employment and Housing Act (FEHA). Qualified individuals with disabilities who need a reasonable accommodation during the application or selection process should contact the recruiter for the position noted above. For additional information and/or to obtain the appropriate form for requesting a reasonable accommodation, please visit the Disability Access Office web page located at:
Proof of Education
If using education to qualify or when requested by the recruiter, upload a copy of any license(s), official/unofficial transcript(s), degrees, and/or related employment documents to your NeoGov account at the time of application and before the closing date. Official or unofficial transcripts will be accepted.
If your education was completed outside of the United States, you will need to provide a copy of your Foreign Education Equivalency evaluation from a member of the National Association of Credential Evaluation Services () or Association of International Credential Evaluators, Inc. ().
Work Authorization Requirement
Applicants must be legally authorized to work in the United States at the time of application. The County of Riverside does not participate in visa sponsorship programs, including H1-B visas, and will not provide sponsorship for any employment-based visas.
Equal Opportunity Employer
The County of Riverside is an Equal Opportunity Employer. It is the policy of the County of Riverside to provide equal employment opportunities for all qualified persons. All applicants will be considered without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender, gender identity, gender expression, marital status, ancestry, medical condition (cancer and genetic characteristics), genetic information, or denial of medical and family care leave, or any other non-job-related factors.
Pre-Employment
All employment offers are contingent upon successful completion of pre-employment requirements including a criminal background investigation, which involves fingerprinting. (A felony or misdemeanor conviction may disqualify the applicant from County employment). A pre-employment physical examination and background check may be required.
Probationary Period
As an Approved Local Merit System, all County of Riverside employees, except those serving "At Will," are subject to the probationary period provisions as specified in the applicable Memorandum of Understanding, County Resolution, or Salary Ordinance. Temporary and Per Diem employees serve at the pleasure of the agency/department head.
General Information
Current County of Riverside and/or current employees of the hiring department may receive priority consideration. Qualified candidates may be considered for future County vacancies.
Job postings may close without notice based on application volume. Submit your complete application by the recruitment close date; no late applications are accepted. Ensure all relevant experience/education is reflected on your application/resume, as a failure to demonstrate position requirements may disqualify applicants. A description of job duties directly copied from the job classification or job posting will not be considered.
Please read and follow any special application instructions on this posting. Click the 'Apply' link located on this page to submit your application. For additional instructions on the application process, examinations, Veteran's preference, pre-employment accommodation or other employment questions, please refer to our web site,
If you are experiencing technical problems, you may contact the governmentjobs.com applicant support desk Monday through Friday, 6 am to 5 pm Pacific Time at support@governmentjobs.com or toll-free 1-855-524-5627.
Temporary employees participate in the 401(a) Temporary and Part-Time Employees' Retirement Plan and are required to contribute 3.75% of salary to the pension plan. The County contributes a matching amount. A list of benefits for employees on assignment through the Temporary Assignment Program (TAP) is available
01
What is your current GPA?

• Less than 2.0
• 2.0 to 2.499
• 2,5 to 2.999
• 3.0 to 3.499
• 3.5 to 3.999
• 4.0 or greater

02
Do you have, or are you able to arrange reliable transportation to work?

• Yes
• No

03
Are you able to supply an unofficial transcript and proof of current enrollment for each school term that you hold the internship?

• Yes
• No

04
The Immigration & Reform Act of 1986 requires employers to verify an individual's identity and authorization to work in the U.S. as a condition of employment. As of today, are you able to provide documentation of your identity and authorization to work in the U.S.?

• Yes
• No

05
Select your current year in school:

• Freshman undergraduate
• Sophomore undergraduate
• Junior undergraduate
• Senior undergraduate
• I am not a student
• None of these apply
• Graduate Student

06
What area of study most closely matches your major or degree?

• Public or Business Administration, Human Resources, Organizational Studies, or similar
• Engineering or similar
• Sciences
• Information Technology, Computer Science, or similar
• Psychology, Sociology, or other Behavioral Science
• Arts or Humanities
• Other Degree not listed
• None

07
Per Government Code section 31000.11, individuals who are, or have been, a dependent child in foster care, a homeless youth, or a formerly incarcerated youth are encouraged to apply and will be given priority in the hiring process."Are you eligible to receive this hiring preference based on Government Code 31000.11?(Select "Yes" only if you belong to one of the above mentioned categories and upload supporting documentation for verification)

• Yes
• No

08
Per Government Code section 31000.11, individuals who are, or have been, a dependent child in foster care, a homeless youth, or a formerly incarcerated youth are encouraged to apply and will be given priority in the hiring process."Are you eligible to receive this hiring preference based on Government Code 31000.11?(Select "Yes" only if you belong to one of the above mentioned categories and upload supporting documentation for verification)

• Yes
• No

09
The department is seeking students in Civil, Environmental, Mechanical, Chemical, Electrical, or related engineering disciplines. Does your area of study meet this requirement?

• Yes
• No

10
Per Government Code section 31000.11, individuals who are, or have been, a dependent child in foster care, a homeless youth, or a formerly incarcerated youth are encouraged to apply and will be given priority in the hiring process."Are you eligible to receive this hiring preference based on Government Code 31000.11?(Select "Yes" only if you belong to one of the above mentioned categories and upload supporting documentation for verification)

• Yes
• No

Required Question