Construction Inspector Water​/Wastewater

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Consultant Engineering, Inc. (CEI) is an Arizona owned and operated professional engineering firm headquartered in Phoenix, Arizona. As one of the Southwest’s largest construction management firms, we also provide professional right of way (appraisals, acquisition and relocation services) and land surveying services. We offer competitive compensation and a comprehensive benefits package (Medical, Dental, Vision, 401(K), Basic Life and AD&D Insurance, Disability Insurance, paid holidays, and PTO).

Wastewater Treatment Plant (WWTP) Construction Inspector - Inside Plant

Position Summary

We are seeking a knowledgeable and detail-oriented Wastewater Treatment Plant (WWTP) Construction Inspector with a focus on inside plant facilities:
Vertical, Electrical, Mechanical and Instrumentation. Candidate will have previous water/wastewater plant construction inspection. This role involves on-site inspection and oversight of vertical construction elements and the installation of mechanical, electrical, and instrumentation/control (MEI) systems. The ideal candidate will have experience supporting plant commissioning, programming, and startup activities.



Key Responsibilities

• Perform daily field inspections of inside plant construction activities to ensure compliance with project plans, specifications, codes, and safety standards.
• Oversee installation of structural and architectural components of vertical structures (buildings, pump stations, control rooms, etc.).
• WATER/WASTEWATER TREATMENT CONTROL SYSTEMS Be familiar with electro-mechanical control systems for water and wastewater treatment. Inspect construction and installation.
• Inspect electrical systems, including MCCs (Centralized panel to control all motors), switch gear, conduit runs, grounding, and power distribution.
• Monitor installation and testing of mechanical equipment, including generators, pumps, motors, shafting, flushing water systems, blowers, piping systems, valves, HVAC, and odor control systems.
• Evaluate instrumentation and control systems, including PLCs, SCADA, sensors, actuators, and related cabling.
• Collaborate with the contractor, design team, and owner during system startup, commissioning, and functional testing.
• Witness and document programming activities, I/O testing, and equipment integration with plant controls.
• Maintain detailed daily reports, inspection records, non-compliance notices, and progress photographs.

• Strong understanding of WWTP process systems and how electrical, mechanical, and instrumentation elements function within them.
• Ability to read and interpret plans, P&IDs (Piping & Instrumentation Diagrams), wiring diagrams, and specifications.
• Familiarity with vertical construction materials, finishes, and standards relevant to treatment plants.
• Solid knowledge of NEC, NFPA, and other applicable codes.
• Understanding of SCADA (sensors/Instrumentation, RTUs (Remote Terminal units) and PLC programming basics allowing WWTP automatic mode; ability to participate in startup troubleshooting is a plus.
• Knowledge of factory acceptance testing (FAT) and site acceptance testing (SAT) procedures.
• Strong documentation, communication, and team coordination skills.
• Proficient with standard construction and inspection software (e.g., Procore, Bluebeam, Microsoft Office).

• 3-5+ years of experience in WWTP construction inspection or plant operations.
• Certifications such as NICET, ICC, or OSHA 30.
• Familiarity with control panel inspection, loop checks, and signal calibration.
• Experience with commissioning agents, control integrators, or startup contractors.
• This job description is not intended to be exhaustive of all duties and responsibilities. Employees are accountable for all duties within the role of this job and may also perform additional responsibilities as needed.