Posting Date 11/03/26 Application Deadline 11/09/26 Pay Range Anticipated Hiring Range: $28.00 - $35.88 hourly Full Pay Range: $28.00 - $43.75 hourly Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. This position is eligible for overtime compensation for all hours worked over 40 in the designated workweek. Job Type Unclassified Department Air Quality About the Position As an Air Instrument Technician, you will join a diverse team of professionals dedicated to improving and protecting Maricopa County’s air quality. In this role, you will perform complex technical work at ambient air monitoring sites, including the installation, operation, maintenance, and troubleshooting of specialized analytical, meteorological, and data-recording instruments used to measure atmospheric pollutants. You will be responsible for maintaining accurate, detailed, and professional documentation of all work performed to support data quality and regulatory compliance. This position requires a high degree of independence, the ability to work within a team environment, sound technical judgment, and strong problem-solving skills, providing an opportunity to apply your expertise in support of essential air quality monitoring operations. About Us Located in one of the fastest-growing and largest counties in the nation, the Maricopa County Air Quality Department continues to develop innovative programs and engage the community so customers, residents, and visitors can live, work, and play in a healthy environment. Air quality has improved significantly over the last 20 years, and the department remains committed to increasing compliance with air quality permits and regulations and strengthening the community's knowledge of air quality issues. From continually monitoring the air we breathe to permitting and inspecting sources of air pollution, developing award-winning school education and pollution reduction programs, and increasing outreach efforts, the department strives for excellence in all we do to meet our goals. Proud to Offer Work with a greater purpose Tuition reimbursement Exceptional work-life balance Opportunities for growth and development within Maricopa County Low-cost, high-value healthcare for you and your qualifying dependents Child care benefits, including access to the Maricopa County Kids Club, dedicated to serving Maricopa County families Paid vacation, sick time, and parental leave Extensive wellness program, including an incentive Enrollment in the Arizona State Retirement System, a defined retirement benefit requiring an 11.98% per paycheck contribution rate that includes a 100% employer match on Day 1 Want to learn more about the County’s Qualifying and Compensation Philosophy? Follow this link to learn more! Work With Us | Maricopa County, AZ We Require Two years of experience in electronic repair and maintenance  High school diploma or GED A combination of post-secondary education and/or job-related experience may substitute for the minimum qualifications on a year-for-year basis Other Requirements Must possess or obtain by the time of hire a valid Arizona driver’s license with an acceptable driving record Within one year of hire, must obtain OSHA 40-Hour Hazardous Waste Operations and Emergency Response (HAZWOPER) certification This position could support the U.S. Department of Homeland Security (DHS) BioWatch program and requires successful completion of all DHS-required security screening, including any screening necessary to access designated government information technology systems. Individuals who are not cleared by DHS cannot perform BioWatch work We Also Value Associate degree or higher in electronics, environmental science, or a closely related field Experience in air quality and/or air monitoring Experience working with Teledyne, Thermo Scientific, or Sabio analyzers or equivalent. Experience troubleshooting and repairing equipment using diagnostic tools Experience working with state, local, and federal agencies on air monitoring rules, regulations, and policies Job Contributions Install, operate, inspect, and maintain specialized ambient air monitoring equipment, including gaseous pollutant analyzers, particulate matter monitors, meteorological sensors, calibration systems, and electronic data-recording equipment. Perform scheduled preventive maintenance, replace consumable components, and ensure instruments operate according to manufacturer specifications, established standard operating procedures (SOPs), and applicable regulatory requirements Perform instrument calibrations, operational verifications, and routine quality control checks to ensure the accuracy, precision, and reliability of ambient air quality measurements. Utilize certified reference standards and specialized calibration equipment to evaluate instrument performance. Identify and correct deviations from established acceptance criteria and document all calibration and quality control activities in accordance with departmental procedures and applicable EPA requirements Diagnose, troubleshoot, and repair complex analytical, electrical, mechanical, pneumatic, and electronic monitoring equipment. Evaluate instrument performance, repair components, and perform necessary adjustments to restore proper operation. Verify instrument performance following maintenance or repairs Review monitoring data and instrument performance to identify equipment malfunctions, operational abnormalities, and potential data quality issues. Maintain accurate and complete electronic and written records, including site logbooks, instrument maintenance records, calibration reports, quality control documentation, and equipment service histories. Communicate identified issues to appropriate personnel to support timely data verification and validation Conduct routine inspections of ambient air monitoring stations to ensure proper operation, safety, security, and compliance with established monitoring requirements. This includes inspecting sampling systems, shelters, and communication equipment. Report any site conditions that may affect instrument performance, sample integrity, or personnel safety Assist with equipment installations, monitoring site relocations, special-purpose monitoring activities, and evaluation of new monitoring technologies. Participate in technical training and contribute to the development of SOPs and perform other related duties as assigned Participate in DHS environmental sampling, exercises, and special events, as assigned Working Conditions Work is typically performed in a combination of office and field environments, driving a county-issued vehicle, with occasional exposure to fumes, smoke, and dust; work is frequently performed outdoors and may be performed during periods of high temperatures and humidity, including days when the temperature exceeds 110° F Exerting over 100 lbs. occasionally, 50-100 lbs. frequently, or up to 20-50 lbs. constantly May be required to work irregular hours, including weekends, evenings, and/or holidays Must have sufficient manual dexterity of hands and body to operate office equipment Must be able to manage frequent interruptions, time pressures, high work volumes, and multiple and complicated tasks. Must be able to maintain concentration, accuracy, ethical behavior, and a professional demeanor Protective equipment required: Safety boots, full-face respirator, Tyvek® suit, gloves, earplugs, dust masks, safety glasses, hard hat Selection Procedure Consideration will only be given to candidates who submit online applications Candidates will be contacted primarily through email and their Workday online application profile Must pass a pre-employment background and/or fingerprint investigation as required by statute or policy, including drug and alcohol testing requirements for positions designated as safety-sensitive Maricopa County is an equal opportunity employer and is committed to providing equal employment opportunities to all applicants. If you require a reasonable accommodation during the application process or to perform the essential functions of the position under the Americans with Disabilities Act (ADA), please contact [email protected] to initiate the interactive process. Apply Now! We are Maricopa County. Who is that, you may ask? Forbes has rated Maricopa County one of Arizona’s Best Employers in 2024. We are over 13,000 employees strong, providing vital services for one of the fastest-growing counties in the nation, with over four million residents who call Maricopa County home. You may wonder what we do, and it may be easier to answer that by asking what are you interested in! Join us and you will become part of a dynamic group of diverse and talented professionals who are passionate about making a difference and giving back to their communities. We offer career paths and opportunities in just about every job category and job level imaginable, so your journey with us is what you make of it! Along with offering purposeful careers, you can expect a rich selection of economical and comprehensive healthcare options, robust retirement plans, tuition and loan payment programs, and multiple paid leave options, as part of an overall generous compensation and benefits package. Thinking about career options, then please think about us! We are Maricopa County, and we are looking forward to working with you!

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