Engineering Intern - Regional Wastewater Reclamation

Pima County•Tucson, AZ

5d•Onsite

About The Position

The Pima County Regional Wastewater Reclamation Department is seeking a part-time student intern to support its operations and process control team. The department conducts research and innovation activities focused on process improvements in the water sector. The intern may work at various locations, but will primarily be based at the department’s facility at 7101 N. Casa Grande Highway, Tucson, Arizona. The position is open until filled; the first application review is scheduled for November 13, 2026. The intern will support professional engineering staff on public works projects and wastewater process improvement activities. Work may include designing and running pilot demonstrations; water and wastewater treatment design; laboratory analysis; field and technical data collection and analysis; technical writing; engineering drafting; project inspections; cost estimates and materials calculations; and troubleshooting instrumentation and control systems used for PLC and SCADA equipment. Assignments vary according to departmental needs and are communicated by a supervisor. The intern will meet with a technical supervisor to review progress and identify educational and training goals. The position requires current enrollment in an accredited undergraduate or graduate program in engineering or a related science discipline relevant to the department’s needs. A valid driver license is required when applying, and a valid Arizona driver license is required at appointment. The successful candidate is subject to a 39-month DOT Motor Vehicle Record review and pre-employment background screening. The hiring range is $17.04–$20.03 per hour; the full pay range is $17.04–$23.02 per hour. Physical and sensory abilities and working conditions are determined by the position.

Requirements

Be currently enrolled at the undergraduate or graduate level in an accredited college or university.
Enrollment must be in engineering (such as mechanical, civil, or electrical engineering) or a related science discipline appropriate to departmental needs, such as hydrology, environmental sciences, architecture, watershed management, transportation, soil and water science, computer science, or data analytics.
Have a valid driver license at the time of application.
Have a valid Arizona driver license at the time of appointment.
Be subject to a 39-month DOT Motor Vehicle Record review to determine suitability to operate county vehicles.
Undergo the required pre-employment background screening.

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, including 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.
Attach college coursework transcripts to supplement 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 in reviewing subdivision improvement plats, plans, specifications, and related materials.
Meet with the technical supervisor to assess progress and identify educational and training goals.
Troubleshoot instrumentation and control systems used for PLC and SCADA equipment.
Support pilot demonstrations, water and wastewater treatment design, laboratory analysis, data collection and analytics, and technical writing.