Engineering Intern - Regional Wastewater Reclamation

Pima County•Tucson, AZ

7d•$17 - $23

About The Position

The Pima County Regional Wastewater Reclamation Department is seeking a part-time student intern to work with its operations and process control team. The department conducts research and innovation activities focused on process improvements within the water sector. The intern’s work may include designing and running pilot demonstrations, water and wastewater treatment designs, laboratory analysis, data collection and analytics, and technical writing. The position may work from various locations, but will primarily be based at the Pima County Regional Wastewater Reclamation Department at 7101 N. Casa Grande Highway, Tucson, Arizona. Work assignments may vary according to departmental needs and will be communicated by a supervisor. This is a classified Engineering Intern position, classification 5943, with an hourly hiring range of $17.04–$20.03 and a full pay range of $17.04–$23.02. The first application review is scheduled for 11/13/2026; the recruitment is open until filled.

Requirements

Currently enrolled at the undergraduate or graduate level in an accredited college or university in engineering or a related science discipline appropriate to the department’s needs.
A valid driver license is required at the time of application; a valid Arizona driver license is required at the time of appointment.
Successful candidates must pass the required post-offer, pre-employment background screening.
The successful applicant will be subject to a 39-month DOT Motor Vehicle Record review and Fleet Services review and approval of the driving record.

Nice To Haves

Experience with or knowledge of plant drawings.
Experience with or knowledge of GIS applications and AutoCAD.
Experience with or knowledge of data collection and analysis, and recording findings in a database for validation.
Experience with water and wastewater treatment design and/or process modeling.
Experience with or knowledge of safety practices and procedures for industrial and office environments.
College coursework transcripts attached to the application.

Responsibilities

Participate with professional engineering staff in the design and construction of public works projects.
Assist engineering and planning staff with collecting, processing, and evaluating field and technical data for assigned projects.
Conduct field surveys, analysis, and inspections of proposed sites or active public works projects for compliance with plans and specifications.
Perform engineering drafting, including plotting, survey notes, cross-sections, profiles, and improvements.
Prepare cost estimates and calculate materials lists for assigned projects.
Investigate, document, and perform preliminary analysis of data related to unique engineering problems.
Assist with reviewing subdivision improvement plats, plans, specifications, and related materials.
Meet with a technical supervisor to assess progress in the assigned technical area and identify educational and training goals.
Provide troubleshooting diagnostics for instrumentation and control systems used for PLC and SCADA equipment.
Design and run pilot demonstrations; support water and wastewater treatment design, laboratory analysis, data collection and analytics, and technical writing.