Job Description Summary

Job Description

OPEN UNTIL FILLED

Job Type: Classified

Job Classification: 5943 - Engineering Intern

Salary Grade: 1

Pay Range:

Hiring Range: $17.04 - $20.03 Per Hour

Pay Range: $17.04 - $23.02 Per Hour

Range Explanation:

• Hiring Range is an estimate of where you can receive an offer. The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, education, licenses, training, and internal equity. 
• Pay Range is the entire compensation range for the position. 

The first review of applications will be on 11/13/2026.

The Pima County Regional Wastewater Reclamation Department (RWRD) is seeking a part-time student intern to work with our operations and process control team. RWRD is engaged in a variety of research and innovation activities for process improvements within the water sector. Primary responsibilities would include: designing and running pilot demonstrations, water and wastewater treatment designs, laboratory analysis, data collection and data analytics, and technical writing.

This position may work from various locations but will primarily be based at the Pima County Regional Wastewater Reclamation Department, 7101 N. Casa Grande Highway, Tucson, AZ.

Essential Functions:

As defined under the Americans with Disabilities Act, this classification may include any of the following tasks, knowledge, skills, and other characteristics. This list is ILLUSTRATIVE ONLY and is not a comprehensive listing of all functions and tasks performed by incumbents of this class. Work assignments may vary depending on the department’s need and will be communicated to the applicant or incumbent by the supervisor.

• Participates with professional engineering staff in the design and construction of public works projects;
• Assists professional and paraprofessional engineering and planning staff in the collection, processing and evaluation of pertinent field and technical data for assigned projects;
• Conducts field surveys, analysis and inspections of proposed sites or in-progress public works projects for compliance with plans and specifications;
• Performs engineering drafting to include plotting, survey notes, cross ­sections, profiles and improvements;
• Prepares cost estimates and calculates materials lists for assigned projects;
• Investigates, documents and performs preliminary analysis of data related to unique engineering problems;
• Assists in the review of subdivision improvement plats, plans, specifications and related materials;
• Meets with technical supervisor to assess individual progress in assigned technical area and to identify educational and training goals to be achieved;
• Provides troubleshooting diagnostics for instrumentation and control systems used for PLC and SCADA equipment.

Minimum Qualifications:

Current enrollment in an accredited college or university at the undergraduate or graduate level in an engineering (e.g., mechanical, civil, electrical) or related science discipline appropriate to department's needs (e.g., hydrology, environmental sciences, architecture, watershed management, transportation, soil & water science, computer science, data analytics, etc.).

Qualifying education and experience must be clearly documented in the "Education" and "Work Experience" sections of the application. Do not substitute a resume for your application or write "see resume" on your application. 
 
Preferred Qualifications: (Be specific in describing your experience in your application. Ensure the descriptions provided illustrate your competencies, specifically addressing the required and preferred qualifications.): 

• Experience with/knowledge of plant drawings.

• Experience with/knowledge of GIS applications and AutoCAD.

• Experience with/knowledge of data collection, analysis, and ability to record findings in a database for validation.

• Experience with water and wastewater treatment design and/or process modeling.
• Experience with/knowledge of safety practices and procedures for working in industrial and office environments.
• College coursework transcripts attached to supplement application.

Selection Procedure: 
Pima County Human Resources Department reserves the right to admit to the selection process only those candidates that meet the minimum qualifications. All applications will be assessed based on an evaluation of the listed education and experience. Candidates meeting the minimum qualifications may be further evaluated/scored against any advertised Preferred Qualifications. The hiring authority will interview and select the successful candidate from a referral list provided by Human Resources. Additional assessments/testing may be required as part of the selection process.

Supplemental Information:

Licenses and Certificates: Valid driver license is required at time of application. Valid AZ driver license is required at time of appointment. The successful applicant will be subject to a 39-month DOT Motor Vehicle Record review to determine applicant’s suitability to operate county vehicles in accordance with Pima County administrative procedures. Failure to obtain and maintain the required licenses and certifications shall be grounds for termination. Any offer of employment resulting from this recruitment is contingent upon Fleet Services’ review and approval of the candidate’s driving record.   

Special Notice Items: The County requires pre-employment background checks. Successful candidates will receive a post-offer, pre-employment background screening to include verification of work history, education, and criminal conviction history. A prior criminal conviction will not automatically disqualify a candidate from employment with the County. Pima County determines whether a position is eligible for visa sponsorship at the time of recruitment. Eligibility is based on the requirements of the position and applicable laws and regulations. Not all positions with Pima County are eligible for visa sponsorship.

Physical/Sensory Requirements: Physical and sensory abilities will be determined by position. Action Activity - bending, climbing and reaching; Motion Activity - simple and firm grasping and fine movement; Hearing Activity - in noisy areas, behind themselves and equipment alarms; Speaking Activity - in person and on a phone; Vision - operate a motor vehicle, distinguish colors. 

Working Conditions: Working conditions will be determined by the position.

EEO Information: Pima County Government is an Equal Employment Opportunity employer. We are committed to an inclusive and diverse workforce and will not discriminate in employment opportunities or practices on the basis of race, color, religion, national origin, age, disability, gender, sexual orientation, kinship, political interest, or any other characteristic protected by law.