Job Description Summary

Department - Regional Wastewater Reclamation

Job Description

OPEN UNTIL FILLED

Job Type: Classified

Job Classification: 5426 - Laboratory Supervisor

Salary Grade: 13

Pay Range

Hiring Range: $62,337 - $74,796 Annually

Pay Range: $62,337 - $87,276 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 on 07/17/2026.

Pima County Regional Wastewater Reclamation Department is seeking a talented person with a keen eye for detail to become part of our Compliance and Regulatory Affairs Office (CRAO) Laboratory team. If you care about public health and the environment and have laboratory experience in analytical water analysis, instrument calibration and maintenance of Gas Chromatograph Mass Spectrometers (GC-MS), method development, and organic extraction methods, we can use your skills to assist us as a Wastewater Laboratory Supervisor. The Organic Chemistry Unit supports Pima County’s Waste Treatment Facilities through the analysis of volatile, semi-volatile, and pesticide contaminants from wastewater effluent and industrial discharge sites. Typical Work assignments include review of data and certification that results meet Arizona and EPA requirements, leading and orchestrating a team of six (6) Chemists, the operation of GC and GC-MS instruments using established EPA methods, research and selection of new instrumentation, interpretation and implementation of new EPA methods and updated methods, and revision of Standard Operation Procedures.

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

• Maintains current knowledge of laws, rules, and regulations and relevant legislation governing regulatory bodies, including but not limited to OSHA, U.S. EPA, and ADHS, to ensure that the department's policies, procedures, and activities comply with all regulatory requirements and standards;
• Supervises, coordinates, and participates in the work of the laboratory;
• Specializes in the supervision and training of staff, methodology, and instrumentation of one of the four laboratory units: Inorganic, Organic, Microbiology/Wet, or Quality Assurance/Quality Control;
• Responsible for review and approval of designated unit’s raw data and data entered in spreadsheets and automated information management systems to prepare for final reporting review;
• Develops new methodologies and refines existing methodologies used for testing complex sample matrices;
• Performs various specialized tests involving wastewater for water reclamation compliance permits or process control, as well as for other Pima County Departments and public agencies;
• Evaluates and researches advanced instrumentation needed by the laboratory and submits quotes for needed equipment, chemicals, and supplies to management for budgetary purposes;
• Evaluates methods and chemicals for licensed use in the laboratory and considers and evaluates if new chemicals will produce waste that must be disposed of as hazardous, with the intent of reducing hazardous waste production as much as is feasible;
• Ensures Quality Assurance/Quality Control of laboratory testing as stipulated by approved method, testing standard, operational procedure, and the laboratory’s Quality Assurance Plan;
• Maintains physical facilities and conducts preventative maintenance programs on analytical equipment to ensure the validity of test results;
• Determines and directs others in actions to take to resolve testing, analyses, and operational problems, conducts Corrective Action Investigations and Reports;
• Evaluates employee performance, makes recommendations on hiring, terminations, and related personnel activities, and initiates progressive discipline process as necessary;
• Responsible for other duties as assigned in support of the overall goals and functions of RWRD and the CRAO Laboratory;

Minimum Qualifications:

Bachelor’s Degree from an accredited college or university with a major in chemistry, microbiology, biology, environmental science, or a related field as determined by the department head at the time of recruitment, AND four years of specialized professional laboratory experience analyzing wastewater, including one year of professional experience in an environmental laboratory.

(Additional relevant experience and/or education from an accredited college or university may be substituted.)

OR:

Two years of experience with Pima County as a Laboratory Chemist or Laboratory Coordinator.

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 performing analyses for pesticides, volatile and semi-volatile organics, and herbicides in a licensed environmental or municipal laboratory and producing data for compliance permits on water or wastewater matrices, particularly in accordance with the Clean Water Act, AZPDES and APP permits.
• Experience with/knowledge of, within the past 5 years, of quality control requirements for EPA methods 524/624.1/8260, 525/608/625.1/8270, and experience reviewing data produced by other analysts for these methods.
• Minimum one (1) year supervisory experience.
• Experience operating, within the past 5 years, a Gas Chromatograph (GC) and a Gas Chromatograph Mass Spectrometer (GC-MS).
• Experience performing organic extractions: liquid/liquid and solid phase.
• Experience with Laboratory Information Management Systems (LIMS).
• Experience with Microsoft Office Suite (Outlook, Word & Excel).

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. This position will require a post-job offer physical and/or drug screen.

Physical/Sensory Requirements: Ability to distinguish color within normal range and to properly wear safety clothing and/or equipment. Some positions may require the ability to: lift and carry up to fifty pounds. Safety training and equipment will be provided by Pima County. Other physical and sensory abilities will be determined by position. Action Activity - climbing, crawling, kneeling, reaching, squatting and stooping; Motion Activity - grasping; Hearing Activity - in noisy areas, on the radio, behind themselves and equipment alarms; Speaking Activity - in person and on the phone/cell; Vision - operate motor vehicle, distinguish colors, depth perception, peripheral vision. Frequently required to lift 50 pounds, push or pull objects weighing up to 100 pounds.

Working Conditions: The Laboratory Supervisor position works primarily inside a climate-controlled laboratory building, with some positions traveling to other facilities once in a while. Working with or in the presence of obnoxious odors. Working with noxious or potentially hazardous chemicals, compounds, or wastewater products.

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.