Job Description Summary

Job Description

OPEN UNTIL FILLED

Job Type: Unclassified

Job Classification: 1199 - Wastewater Infrastructure Manager

Salary Grade: 17

Pay Range

Hiring Range: $84572 - $101504 Annually

Pay Range: $84572 - $118435 Annually

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 on1/16/2026.

Pima County Regional Wastewater Reclamation Department (RWRD) is seeking candidates for an Infrastructure Manager responsible for overseeing industrial process infrastructure associated with the operation of a large wastewater utility. This is a leadership role and the ideal candidates should have infrastructure management experience preferably with direct technical and leadership experience and strong troubleshooting skills. The Wastewater Infrastructure Manager classification encompasses Electrical Infrastructure Manager and Biogas-Central Plant Infrastructure Manager roles responsible for managing and maintaining industrial wastewater facility systems consisting of high voltage electrical power distribution and biogas central plant operations including boilers chillers blowers biogas and RNG upgrading will provide technical leadership to multidisciplinary teams consisting of engineers electricians and technicians to ensure alignment of operational goals in the maintenance planning and improvements of physical assets and infrastructure systems at wastewater treatment role ensures that treatment plant facilities associated infrastructure and utilities operate safely efficiently and in compliance with environmental and regulatory standards while achieving continuous improvement through the implementation of best practices policies and scalable solutions for balancing performance cost and risk.

This classification is in the Unclassified series of positions and is exempt from the Pima County Merit System Rules.

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 departments needs and will be communicated to the applicant or incumbent by the supervisor.

• Maintaining troubleshooting and resolving complex industrial electrical issues and conformance with electrical safety regulations codes and compliance standards transformers variable frequency drives and distribution systems of >480 V;

• Maintenance and troubleshooting interconnected biogas and central thermal utility systems including steam hot water chilled water compressed air biogas or natural gas;

• Direct and coordinate the maintenance repair and upgrade of plant infrastructure including buildings pumping stations pipelines mechanical and electrical systems and biogas upgrading equipment;

• Provide leadership training and mentorship to technical and maintenance staff;

• Develop and implement preventive and predictive maintenance programs to ensure high availability and reliability of critical assets troubleshoot issues and coordinate repairs to minimize downtime;

• Ensure facility compliance with safety and environmental regulations through infrastructure inspections and risk assessments for identifying hazards to safeguard against system failures or environmental impacts;

• Manage capital projects related to infrastructure expansion upgrades and modernization ensuring projects are delivered on time within scope and budget;

• Collaborate with process engineers operations staff and regulatory agencies to identify opportunities for improvements in energy efficiency and sustainability by analyzing energy consumption patterns and implementing measures for optimizing system performance and upgrading equipment for enhancing energy efficiency;

• Develop and manage the infrastructure budget including planning for capital expenditures and long-term asset replacement;

• Oversee contractors and vendors including reviewing proposals monitoring performance and ensuring quality of work;

• Maintain accurate records of infrastructure performance work orders and equipment history.

Minimum Qualifications:

Bachelors degree from an accredited college or university in engineering (or a closely related field as defined by the appointing authority at the time of recruitment) AND at least four (4) years of progressively responsible experience in water/wastewater operations project management industrial facility operations and maintenance or engineering or technical consulting in the water/wastewater industry INCLUDING two (2) years at a supervisory or management level.

OR:

Four (4) years with Pima County as a Wastewater Planning Manager Wastewater Maintenance Supervisor or related position as determined by the department head at the time of recruitment INCLUDING one year of supervisory experience.

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.):

• Bachelors or higher degree in mechanical engineering or related technical field.

• Professional certifications licenses or specialized training in boiler and chiller operations and building automation systems.

• Minimum four (4) years experience in mechanical system design operation of industrial facility management.

• Experience interpreting technical drawings and specifications for heat exchangers chillers and boilers and the ability to oversee or conduct root cause analysis for recurring system issues.

• Direct experience working with flammable and pressurized gas systems.

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.ValidAZdriver license is required at time of appointment. The successful applicant will be subject to a 39-month DOT Motor Vehicle Record review to determine applicants 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 candidates driving record. Some positions require a valid Arizona Class D driver license at time of application or prior to completion of an initial or promotional probation period. Failure to obtain/maintain the required certification/licensures shall be grounds for termination.

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.

Physical/Sensory Requirements: Physical and sensory abilities will be determined by position.

Working Conditions: Working conditions will be determined by 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.